frontend/package-lock.json

@@ -11,6 +11,7 @@
         "axios": "^1.7.2",
         "bootstrap": "^5.3.3",
         "flatpickr": "^4.6.13",
+        "json-bigint": "^1.0.0",
         "react": "^18.2.0",
         "react-dom": "^18.2.0",
         "react-flatpickr": "^3.10.13",
@@ -18,6 +19,7 @@
         "vite-tsconfig-paths": "^5.1.4"
       },
       "devDependencies": {
+        "@types/json-bigint": "^1.0.4",
         "@types/react": "^18.2.66",
         "@types/react-dom": "^18.2.22",
         "@types/react-flatpickr": "^3.8.11",
@@ -1323,6 +1325,13 @@
       "devOptional": true,
       "license": "MIT"
     },
+    "node_modules/@types/json-bigint": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/@types/json-bigint/-/json-bigint-1.0.4.tgz",
+      "integrity": "sha512-ydHooXLbOmxBbubnA7Eh+RpBzuaIiQjh8WGJYQB50JFGFrdxW7JzVlyEV7fAXw0T2sqJ1ysTneJbiyNLqZRAag==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@types/prop-types": {
       "version": "15.7.15",
       "resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.7.15.tgz",
@@ -1690,6 +1699,15 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/bignumber.js": {
+      "version": "9.3.1",
+      "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-9.3.1.tgz",
+      "integrity": "sha512-Ko0uX15oIUS7wJ3Rb30Fs6SkVbLmPBAKdlm7q9+ak9bbIeFf0MwuBsQV6z7+X768/cHsfg+WlysDWJcmthjsjQ==",
+      "license": "MIT",
+      "engines": {
+        "node": "*"
+      }
+    },
     "node_modules/bootstrap": {
       "version": "5.3.7",
       "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-5.3.7.tgz",
@@ -2833,6 +2851,15 @@
         "node": ">=6"
       }
     },
+    "node_modules/json-bigint": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/json-bigint/-/json-bigint-1.0.0.tgz",
+      "integrity": "sha512-SiPv/8VpZuWbvLSMtTDU8hEfrZWg/mH/nV/b4o0CYbSxu1UIQPLdwKOCIyLQX+VIPO5vrLX3i8qtqFyhdPSUSQ==",
+      "license": "MIT",
+      "dependencies": {
+        "bignumber.js": "^9.0.0"
+      }
+    },
     "node_modules/json-buffer": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/json-buffer/-/json-buffer-3.0.1.tgz",

frontend/package.json

@@ -13,6 +13,7 @@
     "axios": "^1.7.2",
     "bootstrap": "^5.3.3",
     "flatpickr": "^4.6.13",
+    "json-bigint": "^1.0.0",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-flatpickr": "^3.10.13",
@@ -20,6 +21,7 @@
     "vite-tsconfig-paths": "^5.1.4"
   },
   "devDependencies": {
+    "@types/json-bigint": "^1.0.4",
     "@types/react": "^18.2.66",
     "@types/react-dom": "^18.2.22",
     "@types/react-flatpickr": "^3.8.11",

frontend/src/App.tsx

@@ -24,6 +24,7 @@ import HomePageV2 from './pages/v2/HomePageV2';
 import LoginPageV2 from './pages/v2/LoginPageV2';
 import SignupPageV2 from './pages/v2/SignupPageV2';
 import AdminThemeEditPage from './pages/admin/AdminThemeEditPage';
+import AdminSchedulePage from './pages/admin/AdminSchedulePage';
 
 const AdminRoutes = () => (
     <AdminLayout>
@@ -34,51 +35,52 @@ const AdminRoutes = () => (
             <Route path="/theme" element={<AdminThemePage />} />
             <Route path="/theme/edit/:themeId" element={<AdminThemeEditPage />} />
             <Route path="/waiting" element={<AdminWaitingPage />} />
+            <Route path="/schedule" element={<AdminSchedulePage />} />
         </Routes>
     </AdminLayout>
 );
 
 function App() {
-  return (
-    <AuthProvider>
-        <Router>
-            <Routes>
-                <Route path="/admin/*" element={
-                    <AdminRoute>
-                        <AdminRoutes />
-                    </AdminRoute>
-                } />
-                <Route path="/*" element={
-                    <Layout>
-                        <Routes>
-                            <Route path="/" element={<HomePage />} />
-                            <Route path="/login" element={<LoginPage />} />
-                            <Route path="/signup" element={<SignupPage />} />
-                            <Route path="/reservation" element={<ReservationPage />} />
-                            <Route path="/my-reservation" element={<MyReservationPage />} />
-                            <Route path="/my-reservation/v2" element={<MyReservationPageV2 />} />
+    return (
+        <AuthProvider>
+            <Router>
+                <Routes>
+                    <Route path="/admin/*" element={
+                        <AdminRoute>
+                            <AdminRoutes />
+                        </AdminRoute>
+                    } />
+                    <Route path="/*" element={
+                        <Layout>
+                            <Routes>
+                                <Route path="/" element={<HomePage />} />
+                                <Route path="/login" element={<LoginPage />} />
+                                <Route path="/signup" element={<SignupPage />} />
+                                <Route path="/reservation" element={<ReservationPage />} />
+                                <Route path="/my-reservation" element={<MyReservationPage />} />
+                                <Route path="/my-reservation/v2" element={<MyReservationPageV2 />} />
 
-                            {/* V2 Pages */}
-                            <Route path="/v2/home" element={<HomePageV2 />} />
-                            <Route path="/v2/login" element={<LoginPageV2 />} />
-                            <Route path="/v2/signup" element={<SignupPageV2 />} />
+                                {/* V2 Pages */}
+                                <Route path="/v2/home" element={<HomePageV2 />} />
+                                <Route path="/v2/login" element={<LoginPageV2 />} />
+                                <Route path="/v2/signup" element={<SignupPageV2 />} />
 
-                            {/* V2 Reservation Flow */}
-                            <Route path="/v2/reservation" element={<ReservationStep1Page />} />
-                            <Route path="/v2/reservation/payment" element={<ReservationStep2Page />} />
-                            <Route path="/v2/reservation/success" element={<ReservationSuccessPage />} />
+                                {/* V2 Reservation Flow */}
+                                <Route path="/v2/reservation" element={<ReservationStep1Page />} />
+                                <Route path="/v2/reservation/payment" element={<ReservationStep2Page />} />
+                                <Route path="/v2/reservation/success" element={<ReservationSuccessPage />} />
 
-                            {/* V2.1 Reservation Flow */}
-                            <Route path="/v2-1/reservation" element={<ReservationStep1PageV21 />} />
-                            <Route path="/v2-1/reservation/payment" element={<ReservationStep2PageV21 />} />
-                            <Route path="/v2-1/reservation/success" element={<ReservationSuccessPageV21 />} />
-                        </Routes>
-                    </Layout>
-                } />
-            </Routes>
-        </Router>
-    </AuthProvider>
-  );
+                                {/* V2.1 Reservation Flow */}
+                                <Route path="/v2-1/reservation" element={<ReservationStep1PageV21 />} />
+                                <Route path="/v2-1/reservation/payment" element={<ReservationStep2PageV21 />} />
+                                <Route path="/v2-1/reservation/success" element={<ReservationSuccessPageV21 />} />
+                            </Routes>
+                        </Layout>
+                    } />
+                </Routes>
+            </Router>
+        </AuthProvider>
+    );
 }
 
 export default App;

frontend/src/api/apiClient.ts

@@ -1,8 +1,28 @@
 import axios, { type AxiosError, type AxiosRequestConfig, type Method } from 'axios';
+import JSONbig from 'json-bigint';
+
+// Create a JSONbig instance that stores big integers as strings
+const JSONbigString = JSONbig({ storeAsString: true });
 
 const apiClient = axios.create({
     baseURL: import.meta.env.VITE_API_BASE_URL || '/api',
     timeout: 10000,
+    // transformResponse is used to parse JSON with big integers (Long type from backend) as strings.
+    // This prevents precision loss in JavaScript.
+    transformResponse: [(data) => {
+        // Do not transform if data is not a string or is empty
+        if (!data || typeof data !== 'string') {
+            return data;
+        }
+        try {
+            // Use the configured JSONbig instance to parse the data
+            return JSONbigString.parse(data);
+        } catch (e) {
+            // If parsing fails, it might not be JSON, so return original data
+            // This is the default behavior of axios if parsing fails
+            return data;
+        }
+    }],
 });
 
 export const isLoginRequiredError = (error: any): boolean => {

frontend/src/api/schedule/scheduleAPI.ts

@@ -0,0 +1,32 @@
+import apiClient from '../apiClient';
+import type {
+    AvailableThemeIdListResponse,
+    ScheduleCreateRequest,
+    ScheduleCreateResponse, ScheduleDetailRetrieveResponse,
+    ScheduleRetrieveListResponse,
+    ScheduleUpdateRequest
+} from './scheduleTypes';
+
+export const findAvailableThemesByDate = async (date: string): Promise<AvailableThemeIdListResponse> => {
+    return await apiClient.get<AvailableThemeIdListResponse>(`/schedules/themes?date=${date}`);
+};
+
+export const findSchedules = async (date: string, themeId: string): Promise<ScheduleRetrieveListResponse> => {
+    return await apiClient.get<ScheduleRetrieveListResponse>(`/schedules?date=${date}&themeId=${themeId}`);
+};
+
+export const findScheduleById = async (id: string): Promise<ScheduleDetailRetrieveResponse> => {
+    return await apiClient.get<ScheduleDetailRetrieveResponse>(`/schedules/${id}`);
+}
+
+export const createSchedule = async (request: ScheduleCreateRequest): Promise<ScheduleCreateResponse> => {
+    return await apiClient.post<ScheduleCreateResponse>('/schedules', request);
+};
+
+export const updateSchedule = async (id: string, request: ScheduleUpdateRequest): Promise<void> => {
+    await apiClient.patch(`/schedules/${id}`, request);
+};
+
+export const deleteSchedule = async (id: string): Promise<void> => {
+    await apiClient.del(`/schedules/${id}`);
+};

frontend/src/api/schedule/scheduleTypes.ts

@@ -0,0 +1,48 @@
+export enum ScheduleStatus {
+    AVAILABLE = 'AVAILABLE',
+    PENDING = 'PENDING',
+    RESERVED = 'RESERVED',
+    BLOCKED = 'BLOCKED',
+}
+
+export interface AvailableThemeIdListResponse {
+    themeIds: string[];
+}
+
+export interface ScheduleRetrieveResponse {
+    id: string;
+    time: string; // "HH:mm"
+    status: ScheduleStatus;
+}
+
+export interface ScheduleRetrieveListResponse {
+    schedules: ScheduleRetrieveResponse[];
+}
+
+export interface ScheduleCreateRequest {
+    date: string; // "yyyy-MM-dd"
+    time: string; // "HH:mm"
+    themeId: string;
+}
+
+export interface ScheduleCreateResponse {
+    id: string;
+}
+
+export interface ScheduleUpdateRequest {
+    date?: string; // "yyyy-MM-dd"
+    time?: string; // "HH:mm"
+    themeId?: string;
+    status?: ScheduleStatus;
+}
+
+export interface ScheduleDetailRetrieveResponse {
+    id: string;
+    date: string; // "yyyy-MM-dd"
+    time: string; // "HH:mm"
+    status: ScheduleStatus;
+    createdAt: string; // or Date
+    createdBy: string;
+    updatedAt: string; // or Date
+    updatedBy: string;
+}

frontend/src/api/theme/themeAPI.ts

@@ -4,7 +4,8 @@ import type {
     AdminThemeSummaryRetrieveListResponse,
     ThemeCreateRequest,
     ThemeCreateRequestV2, ThemeCreateResponse,
-    ThemeCreateResponseV2, ThemeRetrieveListResponse,
+    ThemeCreateResponseV2, ThemeListRetrieveRequest, ThemeRetrieveListResponse,
+    ThemeRetrieveListResponseV2,
     ThemeUpdateRequest,
     UserThemeRetrieveListResponse
 } from './themeTypes';
@@ -48,3 +49,7 @@ export const deleteTheme = async (id: string): Promise<void> => {
 export const fetchUserThemes = async (): Promise<UserThemeRetrieveListResponse> => {
     return await apiClient.get<UserThemeRetrieveListResponse>('/v2/themes');
 };
+
+export const findThemesByIds = async (request: ThemeListRetrieveRequest): Promise<ThemeRetrieveListResponseV2> => {
+    return await apiClient.post<ThemeRetrieveListResponseV2>('/themes/retrieve', request);
+};

frontend/src/api/theme/themeTypes.ts

@@ -123,6 +123,28 @@ export interface UserThemeRetrieveListResponse {
     themes: UserThemeRetrieveResponse[];
 }
 
+export interface ThemeListRetrieveRequest {
+    themeIds: string[];
+}
+
+export interface ThemeRetrieveResponseV2 {
+    id: string;
+    name: string;
+    thumbnailUrl: string;
+    description: string;
+    difficulty: Difficulty;
+    price: number;
+    minParticipants: number;
+    maxParticipants: number;
+    availableMinutes: number;
+    expectedMinutesFrom: number;
+    expectedMinutesTo: number;
+}
+
+export interface ThemeRetrieveListResponseV2 {
+    themes: ThemeRetrieveResponseV2[];
+}
+
 // @ts-ignore
 export enum Difficulty {
     VERY_EASY = 'VERY_EASY',

frontend/src/css/admin-schedule-page.css

@@ -0,0 +1,214 @@
+.admin-schedule-container {
+    padding: 2rem;
+    max-width: 1200px;
+    margin: 0 auto;
+}
+
+.page-title {
+    font-size: 2rem;
+    font-weight: bold;
+    margin-bottom: 2rem;
+    text-align: center;
+}
+
+.schedule-controls {
+    display: flex;
+    gap: 1rem;
+    margin-bottom: 1.5rem;
+    padding: 1.5rem;
+    background-color: #f9f9f9;
+    border-radius: 8px;
+    align-items: center;
+}
+
+.schedule-controls .form-group {
+    display: flex;
+    flex-direction: column;
+}
+
+.schedule-controls .form-label {
+    font-size: 0.9rem;
+    margin-bottom: 0.5rem;
+    color: #555;
+}
+
+.schedule-controls .form-input,
+.schedule-controls .form-select {
+    padding: 0.75rem;
+    border: 1px solid #ccc;
+    border-radius: 4px;
+    font-size: 1rem;
+}
+
+.section-card {
+    background-color: #fff;
+    border-radius: 8px;
+    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
+    padding: 1.5rem;
+}
+
+.table-header {
+    display: flex;
+    justify-content: flex-end;
+    margin-bottom: 1rem;
+}
+
+.table-container {
+    overflow-x: auto;
+}
+
+table {
+    width: 100%;
+    border-collapse: collapse;
+}
+
+th, td {
+    padding: 1rem;
+    text-align: left;
+    border-bottom: 1px solid #eee;
+    vertical-align: middle;
+}
+
+th {
+    font-weight: 600;
+    background-color: #f7f7f7;
+}
+
+.btn {
+    padding: 0.5rem 1rem;
+    border: none;
+    border-radius: 4px;
+    cursor: pointer;
+    font-size: 0.9rem;
+    transition: background-color 0.2s;
+    white-space: nowrap;
+}
+
+.btn-primary {
+    background-color: #007bff;
+    color: white;
+}
+
+.btn-primary:hover {
+    background-color: #0056b3;
+}
+
+.btn-danger {
+    background-color: #dc3545;
+    color: white;
+}
+
+.btn-danger:hover {
+    background-color: #c82333;
+}
+
+.btn-secondary {
+    background-color: #6c757d;
+    color: white;
+}
+
+.btn-secondary:hover {
+    background-color: #5a6268;
+}
+
+.editing-row td {
+    padding-top: 1rem;
+    padding-bottom: 1rem;
+}
+
+.editing-row .form-input {
+    width: 100%;
+    padding: 0.5rem;
+}
+
+.action-buttons {
+    display: flex;
+    gap: 0.5rem;
+}
+
+/* Styles for schedule details row */
+.schedule-details-row td {
+    padding: 0;
+    background-color: #f8f9fa;
+}
+
+.details-form-container {
+    padding: 1.5rem;
+}
+
+.details-form-container .form-card {
+    background-color: #fff;
+    padding: 1.5rem;
+    border-radius: 8px;
+    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
+    margin-bottom: 1.5rem;
+}
+
+.details-form-container .form-section {
+    margin-bottom: 1.5rem;
+}
+
+.details-form-container .form-row {
+    display: flex;
+    gap: 1.5rem;
+    margin-bottom: 1rem;
+}
+
+.details-form-container .form-group {
+    flex: 1;
+    display: flex;
+    flex-direction: column;
+}
+
+.details-form-container .form-label {
+    font-size: 0.9rem;
+    font-weight: 600;
+    color: #495057;
+    margin-bottom: 0.5rem;
+}
+
+.details-form-container .form-input,
+.details-form-container .form-select {
+    width: 100%;
+    padding: 0.75rem 1rem;
+    font-size: 1rem;
+    border: 1px solid #dee2e6;
+    border-radius: 4px;
+    height: 3rem;
+    box-sizing: border-box; /* Ensures padding/border are included in height */
+}
+
+.details-form-container .button-group {
+    display: flex;
+    justify-content: flex-end;
+    gap: 0.75rem;
+    margin-top: 1.5rem;
+}
+
+.audit-info {
+    padding: 1.5rem;
+    border: 1px solid #dee2e6;
+    border-radius: 8px;
+    background-color: #fff;
+    margin-bottom: 1.5rem; /* Add margin to separate from buttons */
+}
+
+.audit-title {
+    font-size: 1.1rem;
+    font-weight: 600;
+    color: #343a40;
+    margin-bottom: 1rem;
+    padding-bottom: 0.75rem;
+    border-bottom: 1px solid #dee2e6;
+}
+
+.audit-body p {
+    margin: 0.5rem 0;
+    font-size: 0.9rem;
+    color: #495057;
+}
+
+.audit-body p strong {
+    color: #212529;
+    margin-right: 0.5rem;
+}

frontend/src/css/reservation-v2-1.css

@@ -40,45 +40,116 @@
     color: #191F28;
 }
 
-/* Date Selector */
-.date-selector {
+/* Date Carousel */
+.date-carousel {
     display: flex;
+    align-items: center;
     justify-content: space-between;
     gap: 10px;
+    margin: 20px 0;
+}
+
+.date-options-container {
+    display: flex;
+    gap: 8px;
+    overflow-x: hidden;
+    flex-grow: 1;
+    justify-content: space-between;
+    margin: 0px 15px;
+}
+
+.carousel-arrow, .today-button {
+    background-color: #F2F4F6;
+    border: 1px solid #E5E8EB;
+    border-radius: 50%;
+    width: 36px;
+    height: 36px;
+    font-size: 20px;
+    font-weight: bold;
+    color: #4E5968;
+    cursor: pointer;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    flex-shrink: 0;
+    transition: background-color 0.2s;
+}
+
+.today-button {
+    border-radius: 8px;
+    font-size: 14px;
+    font-weight: 600;
+    width: auto;
+    padding: 0 15px;
+}
+
+.carousel-arrow:hover, .today-button:hover {
+    background-color: #E5E8EB;
 }
 
 .date-option {
     cursor: pointer;
-    padding: 12px 16px;
+    padding: 8px;
     border-radius: 8px;
-    text-align: center;
-    border: 2px solid transparent;
-    background-color: #F2F4F6;
-    transition: all 0.2s ease-in-out;
-    flex-grow: 1;
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    border: 1px solid transparent;
+    transition: all 0.3s ease;
+    width: 60px;
+    flex-shrink: 0;
 }
 
 .date-option:hover {
-    background-color: #E5E8EB;
+    background-color: #f0f0f0;
 }
 
 .date-option.active {
-    background-color: #3182F6;
-    color: #ffffff;
-    border-color: #3182F6;
-    font-weight: 600;
+    border: 1px solid #007bff;
+    background-color: #e7f3ff;
 }
 
 .date-option .day-of-week {
-    font-size: 14px;
-    margin-bottom: 4px;
+    font-size: 12px;
+    color: #888;
 }
 
-.date-option .day {
-    font-size: 18px;
-    font-weight: 700;
+.date-option.active .day-of-week {
+    color: #007bff;
 }
 
+.date-option .day-circle {
+    font-size: 16px;
+    font-weight: bold;
+    width: 32px;
+    height: 32px;
+    border-radius: 50%;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    margin-top: 4px;
+    background-color: #f0f0f0;
+    color: #333;
+}
+
+.date-option.active .day-circle {
+    background-color: #007bff;
+    color: white;
+}
+
+.date-option.disabled {
+    opacity: 0.5;
+    cursor: not-allowed;
+    pointer-events: none;
+}
+
+.date-option.disabled .day-circle {
+    background-color: #E5E8EB;
+    color: #B0B8C1;
+}
+
+
 /* Theme List */
 .theme-list {
     display: grid;

frontend/src/css/style.css

@@ -60,3 +60,20 @@
 .cursor-pointer {
     cursor: pointer;
 }
+
+/* =================================== */
+/*           Button Group              */
+/* =================================== */
+.button-group {
+    display: flex;
+    justify-content: flex-end; /* Aligns buttons to the right by default */
+    gap: 0.75rem; /* 12px */
+}
+
+.button-group.full-width {
+    justify-content: stretch;
+}
+
+.button-group.full-width .btn {
+    flex-grow: 1;
+}

frontend/src/css/toss-style.css

@@ -81,11 +81,15 @@ a {
     margin-top: 72px;
 }
 
+.form-select {
+    margin: 10px 0px !important;
+}
+
 .button-group {
     margin-top: 32px;
     display: flex;
-    flex-direction: column;
-    justify-content: center;
+    flex-direction: row;
+    justify-content: center !important;
     gap: 16px;
 }
 

frontend/src/pages/LoginPage.tsx

@@ -35,7 +35,7 @@ const LoginPage: React.FC = () => {
       <div className="form-group">
         <input type="password" className="form-control" placeholder="Password" value={password} onChange={e => setPassword(e.target.value)} />
       </div>
-      <div className="d-flex justify-content-between">
+      <div className="button-group full-width">
         <button className="btn btn-outline-custom" onClick={() => navigate('/signup')}>Sign Up</button>
         <button className="btn btn-custom" onClick={handleLogin}>Login</button>
       </div>

frontend/src/pages/admin/AdminNavbar.tsx

@@ -25,6 +25,7 @@ const AdminNavbar: React.FC = () => {
                 <Link className="nav-link" to="/admin/waiting">대기</Link>
                 <Link className="nav-link" to="/admin/theme">테마</Link>
                 <Link className="nav-link" to="/admin/time">시간</Link>
+                <Link className="nav-link" to="/admin/schedule">일정</Link>
             </div>
             <div className="nav-actions">
                 {!loggedIn ? (

frontend/src/pages/admin/AdminSchedulePage.tsx

@@ -0,0 +1,315 @@
+import { isLoginRequiredError } from '@_api/apiClient';
+import { createSchedule, deleteSchedule, findScheduleById, findSchedules, updateSchedule } from '@_api/schedule/scheduleAPI';
+import { ScheduleStatus, type ScheduleDetailRetrieveResponse, type ScheduleRetrieveResponse } from '@_api/schedule/scheduleTypes';
+import { fetchAdminThemes } from '@_api/theme/themeAPI';
+import type { AdminThemeSummaryRetrieveResponse } from '@_api/theme/themeTypes';
+import '@_css/admin-schedule-page.css';
+import React, { Fragment, useEffect, useState } from 'react';
+import { useLocation, useNavigate } from 'react-router-dom';
+
+const getScheduleStatusText = (status: ScheduleStatus): string => {
+    switch (status) {
+        case ScheduleStatus.AVAILABLE:
+            return '예약 가능';
+        case ScheduleStatus.PENDING:
+            return '예약 진행 중';
+        case ScheduleStatus.RESERVED:
+            return '예약 완료';
+        case ScheduleStatus.BLOCKED:
+            return '예약 불가';
+        default:
+            return status;
+    }
+};
+
+const AdminSchedulePage: React.FC = () => {
+    const [schedules, setSchedules] = useState<ScheduleRetrieveResponse[]>([]);
+    const [themes, setThemes] = useState<AdminThemeSummaryRetrieveResponse[]>([]);
+    const [selectedThemeId, setSelectedThemeId] = useState<string>('');
+    const [selectedDate, setSelectedDate] = useState<string>(new Date().toLocaleDateString('en-CA'));
+
+    const [isAdding, setIsAdding] = useState(false);
+    const [newScheduleTime, setNewScheduleTime] = useState('');
+
+    const [expandedScheduleId, setExpandedScheduleId] = useState<string | null>(null);
+    const [detailedSchedules, setDetailedSchedules] = useState<{ [key: string]: ScheduleDetailRetrieveResponse }>({});
+    const [isLoadingDetails, setIsLoadingDetails] = useState<boolean>(false);
+    const [isEditing, setIsEditing] = useState(false);
+    const [editingSchedule, setEditingSchedule] = useState<ScheduleDetailRetrieveResponse | null>(null);
+
+    const navigate = useNavigate();
+    const location = useLocation();
+
+    const handleError = (err: any) => {
+        if (isLoginRequiredError(err)) {
+            alert('로그인이 필요해요.');
+            navigate('/login', { state: { from: location } });
+        } else {
+            const message = err.response?.data?.message || '알 수 없는 오류가 발생했습니다.';
+            alert(message);
+            console.error(err);
+        }
+    };
+
+    useEffect(() => {
+        fetchAdminThemes()
+            .then(res => {
+                setThemes(res.themes);
+                if (res.themes.length > 0) {
+                    setSelectedThemeId(String(res.themes[0].id));
+                }
+            })
+            .catch(handleError);
+    }, []);
+
+    const fetchSchedules = () => {
+        if (selectedDate && selectedThemeId) {
+            findSchedules(selectedDate, selectedThemeId)
+                .then(res => setSchedules(res.schedules))
+                .catch(err => {
+                    setSchedules([]);
+                    if (err.response?.status !== 404) {
+                        handleError(err);
+                    }
+                });
+        }
+    }
+
+    useEffect(() => {
+        fetchSchedules();
+    }, [selectedDate, selectedThemeId]);
+
+    const handleAddSchedule = async () => {
+        if (!newScheduleTime) {
+            alert('시간을 입력해주세요.');
+            return;
+        }
+        if (!/\d{2}:\d{2}/.test(newScheduleTime)) {
+            alert('시간 형식이 올바르지 않습니다. HH:MM 형식으로 입력해주세요.');
+            return;
+        }
+        try {
+            await createSchedule({
+                date: selectedDate,
+                themeId: selectedThemeId,
+                time: newScheduleTime,
+            });
+            fetchSchedules();
+            setIsAdding(false);
+            setNewScheduleTime('');
+        } catch (error) {
+            handleError(error);
+        }
+    };
+
+    const handleDeleteSchedule = async (scheduleId: string) => {
+        if (window.confirm('정말 이 일정을 삭제하시겠습니까?')) {
+            try {
+                await deleteSchedule(scheduleId);
+                setSchedules(schedules.filter(s => s.id !== scheduleId));
+                setExpandedScheduleId(null); // Close the details view after deletion
+            } catch (error) {
+                handleError(error);
+            }
+        }
+    };
+
+    const handleToggleDetails = async (scheduleId: string) => {
+        const isAlreadyExpanded = expandedScheduleId === scheduleId;
+        setIsEditing(false); // Reset editing state whenever toggling
+        if (isAlreadyExpanded) {
+            setExpandedScheduleId(null);
+        } else {
+            setExpandedScheduleId(scheduleId);
+            if (!detailedSchedules[scheduleId]) {
+                setIsLoadingDetails(true);
+                try {
+                    const details = await findScheduleById(scheduleId);
+                    setDetailedSchedules(prev => ({ ...prev, [scheduleId]: details }));
+                } catch (error) {
+                    handleError(error);
+                } finally {
+                    setIsLoadingDetails(false);
+                }
+            }
+        }
+    };
+
+    const handleEditClick = () => {
+        if (expandedScheduleId && detailedSchedules[expandedScheduleId]) {
+            setEditingSchedule({ ...detailedSchedules[expandedScheduleId] });
+            setIsEditing(true);
+        }
+    };
+
+    const handleCancelEdit = () => {
+        setIsEditing(false);
+        setEditingSchedule(null);
+    };
+
+    const handleEditChange = (e: React.ChangeEvent<HTMLInputElement | HTMLSelectElement>) => {
+        const { name, value } = e.target;
+        if (editingSchedule) {
+            setEditingSchedule({ ...editingSchedule, [name]: value });
+        }
+    };
+
+    const handleSave = async () => {
+        if (!editingSchedule) return;
+
+        try {
+            await updateSchedule(editingSchedule.id, {
+                time: editingSchedule.time,
+                status: editingSchedule.status,
+            });
+            // Refresh data
+            const details = await findScheduleById(editingSchedule.id);
+            setDetailedSchedules(prev => ({ ...prev, [editingSchedule.id]: details }));
+            setSchedules(schedules.map(s => s.id === editingSchedule.id ? { ...s, time: details.time, status: details.status } : s));
+
+            alert('일정이 성공적으로 업데이트되었습니다.');
+            setIsEditing(false);
+        } catch (error) {
+            handleError(error);
+        }
+    };
+
+    return (
+        <div className="admin-schedule-container">
+            <h2 className="page-title">일정 관리</h2>
+
+            <div className="schedule-controls">
+                <div className="form-group">
+                    <label className="form-label" htmlFor="date-filter">날짜</label>
+                    <input
+                        id="date-filter"
+                        type="date"
+                        className="form-input"
+                        value={selectedDate}
+                        onChange={e => setSelectedDate(e.target.value)}
+                    />
+                </div>
+                <div className="form-group">
+                    <label className="form-label" htmlFor="theme-filter">테마</label>
+                    <select
+                        id="theme-filter"
+                        className="form-select"
+                        value={selectedThemeId}
+                        onChange={e => setSelectedThemeId(e.target.value)}
+                    >
+                        {themes.map(theme => (
+                            <option key={theme.id} value={theme.id}>{theme.name}</option>
+                        ))}
+                    </select>
+                </div>
+            </div>
+
+            <div className="section-card">
+                <div className="table-header">
+                    <button className="btn btn-primary" onClick={() => setIsAdding(true)}>일정 추가</button>
+                </div>
+                <div className="table-container">
+                    <table>
+                        <thead>
+                            <tr>
+                                <th>시간</th>
+                                <th>상태</th>
+                                <th>관리</th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                            {schedules.map(schedule => (
+                                <Fragment key={schedule.id}>
+                                    <tr>
+                                        <td>{schedule.time}</td>
+                                        <td>{getScheduleStatusText(schedule.status)}</td>
+                                        <td className="action-buttons">
+                                            <button
+                                                className="btn btn-secondary"
+                                                onClick={() => handleToggleDetails(schedule.id)}
+                                            >
+                                                {expandedScheduleId === schedule.id ? '닫기' : '상세'}
+                                            </button>
+                                        </td>
+                                    </tr>
+                                    {expandedScheduleId === schedule.id && (
+                                        <tr className="schedule-details-row">
+                                            <td colSpan={3}>
+                                                {isLoadingDetails ? (
+                                                    <p>로딩 중...</p>
+                                                ) : detailedSchedules[schedule.id] ? (
+                                                    <div className="details-form-container">
+                                                        <div className="audit-info">
+                                                            <h4 className="audit-title">감사 정보</h4>
+                                                            <div className="audit-body">
+                                                                <p><strong>생성일:</strong> {new Date(detailedSchedules[schedule.id].createdAt).toLocaleString()}</p>
+                                                                <p><strong>수정일:</strong> {new Date(detailedSchedules[schedule.id].updatedAt).toLocaleString()}</p>
+                                                                <p><strong>생성자:</strong> {detailedSchedules[schedule.id].createdBy}</p>
+                                                                <p><strong>수정자:</strong> {detailedSchedules[schedule.id].updatedBy}</p>
+                                                            </div>
+                                                        </div>
+
+                                                        {isEditing && editingSchedule ? (
+                                                            // --- EDIT MODE ---
+                                                            <div className="form-card">
+                                                                <div className="form-section">
+                                                                    <div className="form-row">
+                                                                        <div className="form-group">
+                                                                            <label className="form-label">시간</label>
+                                                                            <input type="time" name="time" className="form-input" value={editingSchedule.time} onChange={handleEditChange} />
+                                                                        </div>
+                                                                        <div className="form-group">
+                                                                            <label className="form-label">상태</label>
+                                                                            <select name="status" className="form-select" value={editingSchedule.status} onChange={handleEditChange}>
+                                                                                {Object.values(ScheduleStatus).map(s => <option key={s} value={s}>{getScheduleStatusText(s)}</option>)}
+                                                                            </select>
+                                                                        </div>
+                                                                    </div>
+                                                                </div>
+                                                                <div className="button-group">
+                                                                    <button type="button" className="btn btn-secondary" onClick={handleCancelEdit}>취소</button>
+                                                                    <button type="button" className="btn btn-primary" onClick={handleSave}>저장</button>
+                                                                </div>
+                                                            </div>
+                                                        ) : (
+                                                            // --- VIEW MODE ---
+                                                            <div className="button-group view-mode-buttons">
+                                                                <button type="button" className="btn btn-danger" onClick={() => handleDeleteSchedule(schedule.id)}>삭제</button>
+                                                                <button type="button" className="btn btn-primary" onClick={handleEditClick}>수정</button>
+                                                            </div>
+                                                        )}
+                                                    </div>
+                                                ) : (
+                                                    <p>상세 정보를 불러올 수 없습니다.</p>
+                                                )}
+                                            </td>
+                                        </tr>
+                                    )}
+                                </Fragment>
+                            ))}
+                            {isAdding && (
+                                <tr className="editing-row">
+                                    <td>
+                                        <input
+                                            type="time"
+                                            className="form-input"
+                                            value={newScheduleTime}
+                                            onChange={e => setNewScheduleTime(e.target.value)}
+                                        />
+                                    </td>
+                                    <td></td>
+                                    <td className="action-buttons">
+                                        <button className="btn btn-primary" onClick={handleAddSchedule}>저장</button>
+                                        <button className="btn btn-secondary" onClick={() => setIsAdding(false)}>취소</button>
+                                    </td>
+                                </tr>
+                            )}
+                        </tbody>
+                    </table>
+                </div>
+            </div>
+        </div>
+    );
+};
+
+export default AdminSchedulePage;

frontend/src/pages/v2/ReservationStep1PageV21.tsx

@@ -1,18 +1,18 @@
 import { isLoginRequiredError } from '@_api/apiClient';
 import { createPendingReservation } from '@_api/reservation/reservationAPI';
-import { fetchUserThemes } from '@_api/theme/themeAPI';
-import { fetchTimesWithAvailability } from '@_api/time/timeAPI';
-import type { TimeWithAvailabilityResponse } from '@_api/time/timeTypes';
+import { findAvailableThemesByDate, findSchedules } from '@_api/schedule/scheduleAPI';
+import type { ScheduleRetrieveResponse } from '@_api/schedule/scheduleTypes';
+import { findThemesByIds } from '@_api/theme/themeAPI';
+import { Difficulty } from '@_api/theme/themeTypes';
 import '@_css/reservation-v2-1.css';
 import React, { useEffect, useState } from 'react';
 import { useLocation, useNavigate } from 'react-router-dom';
 import { formatDate, formatTime } from 'src/util/DateTimeFormatter';
 
-// New theme type based on the provided schema
 interface ThemeV21 {
-    id: string; // Changed to number to match API
+    id: string;
     name: string;
-    difficulty: string;
+    difficulty: Difficulty;
     description: string;
     thumbnailUrl: string;
     price: number;
@@ -23,13 +23,30 @@ interface ThemeV21 {
     availableMinutes: number;
 }
 
+const getDifficultyText = (difficulty: Difficulty): string => {
+    switch (difficulty) {
+        case Difficulty.VERY_EASY:
+            return '매우 쉬움';
+        case Difficulty.EASY:
+            return '쉬움';
+        case Difficulty.NORMAL:
+            return '보통';
+        case Difficulty.HARD:
+            return '어려움';
+        case Difficulty.VERY_HARD:
+            return '매우 어려움';
+        default:
+            return difficulty;
+    }
+};
 
 const ReservationStep1PageV21: React.FC = () => {
     const [selectedDate, setSelectedDate] = useState<Date>(new Date());
+    const [viewDate, setViewDate] = useState<Date>(new Date()); // For carousel
     const [themes, setThemes] = useState<ThemeV21[]>([]);
     const [selectedTheme, setSelectedTheme] = useState<ThemeV21 | null>(null);
-    const [times, setTimes] = useState<TimeWithAvailabilityResponse[]>([]);
-    const [selectedTime, setSelectedTime] = useState<TimeWithAvailabilityResponse | null>(null);
+    const [schedules, setSchedules] = useState<ScheduleRetrieveResponse[]>([]);
+    const [selectedSchedule, setSelectedSchedule] = useState<ScheduleRetrieveResponse | null>(null);
     const [isThemeModalOpen, setIsThemeModalOpen] = useState(false);
     const [isConfirmModalOpen, setIsConfirmModalOpen] = useState(false);
     const navigate = useNavigate();
@@ -47,49 +64,47 @@ const ReservationStep1PageV21: React.FC = () => {
     };
 
     useEffect(() => {
-        const fetchData = async () => {
-            try {
-                const response = await fetchUserThemes();
-                // Map UserThemeRetrieveResponse to ThemeV21
-                const mappedThemes: ThemeV21[] = response.themes.map(theme => ({
-                    id: theme.id,
-                    name: theme.name,
-                    difficulty: theme.difficulty,
-                    description: theme.description,
-                    thumbnailUrl: theme.thumbnailUrl,
-                    price: theme.price,
-                    minParticipants: theme.minParticipants,
-                    maxParticipants: theme.maxParticipants,
-                    expectedMinutesFrom: theme.expectedMinutesFrom,
-                    expectedMinutesTo: theme.expectedMinutesTo,
-                    availableMinutes: theme.availableMinutes,
-                }));
-                setThemes(mappedThemes);
-            } catch (error) {
-                handleError(error);
-            }
-        };
-        fetchData();
-    }, []);
+        if (selectedDate) {
+            const dateStr = selectedDate.toLocaleDateString('en-CA'); // yyyy-mm-dd
+            findAvailableThemesByDate(dateStr)
+                .then(res => {
+                    const themeIds: string[] = res.themeIds;
+                    if (themeIds.length > 0) {
+                        return findThemesByIds({ themeIds });
+                    } else {
+                        return Promise.resolve({ themes: [] });
+                    }
+                })
+                .then(themeResponse => {
+                    setThemes(themeResponse.themes as ThemeV21[]);
+                })
+                .catch(handleError)
+                .finally(() => {
+                    setSelectedTheme(null);
+                    setSchedules([]);
+                    setSelectedSchedule(null);
+                });
+        }
+    }, [selectedDate]);
 
     useEffect(() => {
         if (selectedDate && selectedTheme) {
             const dateStr = selectedDate.toLocaleDateString('en-CA');
-            fetchTimesWithAvailability(dateStr, selectedTheme.id)
+            findSchedules(dateStr, selectedTheme.id)
                 .then(res => {
-                    setTimes(res.times);
-                    setSelectedTime(null);
+                    setSchedules(res.schedules);
+                    setSelectedSchedule(null);
                 })
                 .catch(handleError);
         }
     }, [selectedDate, selectedTheme]);
 
     const handleNextStep = () => {
-        if (!selectedDate || !selectedTheme || !selectedTime) {
+        if (!selectedDate || !selectedTheme || !selectedSchedule) {
             alert('날짜, 테마, 시간을 모두 선택해주세요.');
             return;
         }
-        if (!selectedTime.isAvailable) {
+        if (selectedSchedule.status !== 'AVAILABLE') {
             alert('예약할 수 없는 시간입니다.');
             return;
         }
@@ -97,45 +112,85 @@ const ReservationStep1PageV21: React.FC = () => {
     };
 
     const handleConfirmPayment = () => {
-        if (!selectedDate || !selectedTheme || !selectedTime) return;
+        if (!selectedDate || !selectedTheme || !selectedSchedule) return;
 
         const reservationData = {
-            date: selectedDate.toLocaleDateString('en-CA'),
-            themeId: selectedTheme.id,
-            timeId: selectedTime.id,
+            scheduleId: selectedSchedule.id,
         };
 
         createPendingReservation(reservationData)
             .then((res) => {
-                navigate('/v2/reservation/payment', { state: { reservation: res } });
+                navigate('/v2-1/reservation/payment', { state: { reservation: res } });
             })
             .catch(handleError)
-            .finally(() => setIsModalOpen(false));
-
+            .finally(() => setIsConfirmModalOpen(false));
     };
 
-    const renderDateOptions = () => {
+    const handleDateSelect = (date: Date) => {
+        const today = new Date();
+        today.setHours(0, 0, 0, 0);
+        if (date < today) {
+            alert("지난 날짜는 선택할 수 없습니다.");
+            return;
+        }
+        setSelectedDate(date);
+    }
+
+    const renderDateCarousel = () => {
         const dates = [];
         const today = new Date();
+        today.setHours(0, 0, 0, 0);
+
         for (let i = 0; i < 7; i++) {
-            const date = new Date(today);
-            date.setDate(today.getDate() + i);
+            const date = new Date(viewDate);
+            date.setDate(viewDate.getDate() + i);
             dates.push(date);
         }
 
-        return dates.map(date => {
-            const isSelected = selectedDate.toDateString() === date.toDateString();
-            return (
-                <div
-                    key={date.toISOString()}
-                    className={`date-option ${isSelected ? 'active' : ''}`}
-                    onClick={() => setSelectedDate(date)}
-                >
-                    <div className="day-of-week">{['일', '월', '화', '수', '목', '금', '토'][date.getDay()]}</div>
-                    <div className="day">{date.getDate()}</div>
+        const handlePrev = () => {
+            const newViewDate = new Date(viewDate);
+            newViewDate.setDate(viewDate.getDate() - 1);
+            if (newViewDate < today) {
+                alert("지난 날짜는 조회할 수 없습니다.");
+                return;
+            }
+            setViewDate(newViewDate);
+        }
+
+        const handleNext = () => {
+            const newViewDate = new Date(viewDate);
+            newViewDate.setDate(viewDate.getDate() + 1);
+            setViewDate(newViewDate);
+        }
+
+        const goToToday = () => {
+            setViewDate(new Date());
+            setSelectedDate(new Date());
+        }
+
+        return (
+            <div className="date-carousel">
+                <button onClick={handlePrev} className="carousel-arrow">‹</button>
+                <div className="date-options-container">
+                    {dates.map(date => {
+                        const isSelected = selectedDate.toDateString() === date.toDateString();
+                        const isPast = date < today;
+                        return (
+                            <div
+                                key={date.toISOString()}
+                                className={`date-option ${isSelected ? 'active' : ''} ${isPast ? 'disabled' : ''}`}
+                                onClick={() => handleDateSelect(date)}
+                            >
+                                <div className="day-of-week">{['일', '월', '화', '수', '목', '금', '토'][date.getDay()]}</div>
+                                <div className="day-circle">{date.getDate()}</div>
+                            </div>
+                        );
+                    })}
                 </div>
-            );
-        });
+                <button onClick={handleNext} className="carousel-arrow">›</button>
+                <button onClick={goToToday} className="today-button">오늘</button>
+            </div>
+        );
     };
 
     const openThemeModal = (theme: ThemeV21) => {
@@ -143,7 +198,7 @@ const ReservationStep1PageV21: React.FC = () => {
         setIsThemeModalOpen(true);
     };
 
-    const isButtonDisabled = !selectedDate || !selectedTheme || !selectedTime || !selectedTime.isAvailable;
+    const isButtonDisabled = !selectedDate || !selectedTheme || !selectedSchedule || selectedSchedule.status !== 'AVAILABLE';
 
     return (
         <div className="reservation-v21-container">
@@ -151,7 +206,7 @@ const ReservationStep1PageV21: React.FC = () => {
 
             <div className="step-section">
                 <h3>1. 날짜 선택</h3>
-                <div className="date-selector">{renderDateOptions()}</div>
+                {renderDateCarousel()}
             </div>
 
             <div className={`step-section ${!selectedDate ? 'disabled' : ''}`}>
@@ -166,9 +221,9 @@ const ReservationStep1PageV21: React.FC = () => {
                             <div className="theme-info">
                                 <h4>{theme.name}</h4>
                                 <div className="theme-meta">
-                                    <p><strong>난이도:</strong> {theme.difficulty}</p>
-                                    <p><strong>참여 인원:</strong> {theme.minParticipants} ~ {theme.maxParticipants}명</p>
                                     <p><strong>가격:</strong> {theme.price.toLocaleString()}원</p>
+                                    <p><strong>난이도:</strong> {getDifficultyText(theme.difficulty)}</p>
+                                    <p><strong>참여 가능 인원:</strong> {theme.minParticipants} ~ {theme.maxParticipants}명</p>
                                     <p><strong>예상 소요 시간:</strong> {theme.expectedMinutesFrom} ~ {theme.expectedMinutesTo}분</p>
                                     <p><strong>이용 가능 시간:</strong> {theme.availableMinutes}분</p>
                                 </div>
@@ -182,14 +237,14 @@ const ReservationStep1PageV21: React.FC = () => {
             <div className={`step-section ${!selectedTheme ? 'disabled' : ''}`}>
                 <h3>3. 시간 선택</h3>
                 <div className="time-slots">
-                    {times.length > 0 ? times.map(time => (
+                    {schedules.length > 0 ? schedules.map(schedule => (
                         <div
-                            key={time.id}
-                            className={`time-slot ${selectedTime?.id === time.id ? 'active' : ''} ${!time.isAvailable ? 'disabled' : ''}`}
-                            onClick={() => time.isAvailable && setSelectedTime(time)}
+                            key={schedule.id}
+                            className={`time-slot ${selectedSchedule?.id === schedule.id ? 'active' : ''} ${schedule.status !== 'AVAILABLE' ? 'disabled' : ''}`}
+                            onClick={() => schedule.status === 'AVAILABLE' && setSelectedSchedule(schedule)}
                         >
-                            {time.startAt}
-                            <span className="time-availability">{time.isAvailable ? '예약가능' : '예약불가'}</span>
+                            {schedule.time}
+                            <span className="time-availability">{schedule.status === 'AVAILABLE' ? '예약가능' : '예약불가'}</span>
                         </div>
                     )) : <div className="no-times">선택 가능한 시간이 없습니다.</div>}
                 </div>
@@ -209,7 +264,7 @@ const ReservationStep1PageV21: React.FC = () => {
                         <h2>{selectedTheme.name}</h2>
                         <div className="modal-section">
                             <h3>테마 정보</h3>
-                            <p><strong>난이도:</strong> {selectedTheme.difficulty}</p>
+                            <p><strong>난이도:</strong> {getDifficultyText(selectedTheme.difficulty)}</p>
                             <p><strong>참여 인원:</strong> {selectedTheme.minParticipants} ~ {selectedTheme.maxParticipants}명</p>
                             <p><strong>소요 시간:</strong> {selectedTheme.expectedMinutesFrom} ~ {selectedTheme.expectedMinutesTo}분</p>
                             <p><strong>가격:</strong> {selectedTheme.price.toLocaleString()}원</p>
@@ -230,7 +285,7 @@ const ReservationStep1PageV21: React.FC = () => {
                         <div className="modal-section">
                             <p><strong>날짜:</strong> {formatDate(selectedDate!!.toLocaleDateString('ko-KR'))}</p>
                             <p><strong>테마:</strong> {selectedTheme!!.name}</p>
-                            <p><strong>시간:</strong> {formatTime(selectedTime!!.startAt)}</p>
+                            <p><strong>시간:</strong> {formatTime(selectedSchedule!!.time)}</p>
                             <p><strong>결제금액:</strong> {selectedTheme!!.price.toLocaleString()}원</p>
                         </div>
                         <div className="modal-actions">

src/main/kotlin/roomescape/common/config/JacksonConfig.kt

@@ -30,7 +30,6 @@ class JacksonConfig {
         .registerModule(javaTimeModule())
         .registerModule(dateTimeModule())
         .registerModule(kotlinModule())
-        .registerModule(longIdModule())
         .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
 
     private fun javaTimeModule(): JavaTimeModule = JavaTimeModule()
@@ -51,13 +50,6 @@ class JacksonConfig {
             LocalTimeDeserializer(DateTimeFormatter.ofPattern("HH:mm"))
         ) as JavaTimeModule
 
-    private fun longIdModule(): SimpleModule {
-        val simpleModule = SimpleModule()
-        simpleModule.addSerializer(Long::class.java, LongToStringSerializer())
-        simpleModule.addDeserializer(Long::class.java, StringToLongDeserializer())
-        return simpleModule
-    }
-
     private fun dateTimeModule(): SimpleModule {
         val simpleModule = SimpleModule()
         simpleModule.addSerializer(LocalDateTime::class.java, LocalDateTimeSerializer())

src/main/kotlin/roomescape/common/log/ControllerLoggingAspect.kt

@@ -24,7 +24,7 @@ class ControllerLoggingAspect(
     private val messageConverter: ApiLogMessageConverter,
 ) {
 
-    @Pointcut("execution(* roomescape..web..*Controller.*(..))")
+    @Pointcut("execution(* roomescape..web..*Controller*.*(..))")
     fun allController() {
     }
 

src/main/kotlin/roomescape/schedule/business/ScheduleService.kt

@@ -0,0 +1,130 @@
+package roomescape.schedule.business
+
+import ScheduleException
+import com.github.f4b6a3.tsid.TsidFactory
+import io.github.oshai.kotlinlogging.KLogger
+import io.github.oshai.kotlinlogging.KotlinLogging
+import org.springframework.data.repository.findByIdOrNull
+import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
+import roomescape.common.config.next
+import roomescape.member.business.MemberService
+import roomescape.schedule.exception.ScheduleErrorCode
+import roomescape.schedule.infrastructure.persistence.ScheduleEntity
+import roomescape.schedule.infrastructure.persistence.ScheduleRepository
+import roomescape.schedule.infrastructure.persistence.ScheduleStatus
+import roomescape.schedule.web.*
+import java.time.LocalDate
+
+private val log: KLogger = KotlinLogging.logger {}
+
+@Service
+class ScheduleService(
+    private val scheduleRepository: ScheduleRepository,
+    private val scheduleValidator: ScheduleValidator,
+    private val tsidFactory: TsidFactory,
+    private val memberService: MemberService
+) {
+
+    @Transactional(readOnly = true)
+    fun findThemesByDate(date: LocalDate): AvailableThemeIdListResponse {
+        log.info { "[ScheduleService.findThemesByDate] 동일한 날짜의 모든 테마 조회: date=$date" }
+
+        return scheduleRepository.findAllByDate(date)
+            .toThemeIdListResponse()
+            .also {
+                log.info { "[ScheduleService.findThemesByDate] date=${date} 인 ${it.themeIds.size}개 테마 조회 완료" }
+            }
+    }
+
+    @Transactional(readOnly = true)
+    fun findSchedules(date: LocalDate, themeId: Long): ScheduleRetrieveListResponse {
+        log.info { "[ScheduleService.findSchedules] 동일한 날짜와 테마인 모든 일정 조회: date=${date}, themeId=${themeId}" }
+
+        return scheduleRepository.findAllByDateAndThemeId(date, themeId)
+            .toRetrieveListResponse()
+            .also {
+                log.info { "[ScheduleService.findSchedules] date=${date}, themeId=${themeId} 인 ${it.schedules.size}개 일정 조회 완료" }
+            }
+    }
+
+    @Transactional(readOnly = true)
+    fun findDetail(id: Long): ScheduleDetailRetrieveResponse {
+        log.info { "[ScheduleService.findDetail] 일정 상세 정보조회 시작: id=$id" }
+
+        val schedule: ScheduleEntity = findOrThrow(id)
+
+        val createdBy = memberService.findById(schedule.createdBy).name
+        val updatedBy = memberService.findById(schedule.updatedBy).name
+
+        return schedule.toDetailRetrieveResponse(createdBy, updatedBy)
+            .also {
+                log.info { "[ScheduleService.findDetail] 일정 상세 조회 완료: id=$id" }
+            }
+    }
+
+    @Transactional
+    fun createSchedule(request: ScheduleCreateRequest): ScheduleCreateResponse {
+        log.info { "[ScheduleService.createSchedule] 일정 생성 시작: date=${request.date}, time=${request.time}, themeId=${request.themeId}" }
+
+        scheduleValidator.validateCanCreate(request)
+
+        val schedule = ScheduleEntity(
+            id = tsidFactory.next(),
+            date = request.date,
+            time = request.time,
+            themeId = request.themeId,
+            status = ScheduleStatus.AVAILABLE
+        )
+
+        return ScheduleCreateResponse(scheduleRepository.save(schedule).id)
+            .also {
+                log.info { "[ScheduleService.createSchedule] 일정 생성 완료: id=${it.id}" }
+            }
+    }
+
+    @Transactional
+    fun updateSchedule(id: Long, request: ScheduleUpdateRequest) {
+        log.info { "[ScheduleService.updateSchedule] 일정 수정 시작: id=$id, request=${request}" }
+
+        if (request.isAllParamsNull()) {
+            log.info { "[ScheduleService.updateSchedule] 일정 변경 사항 없음: id=$id" }
+            return
+        }
+
+        val schedule: ScheduleEntity = findOrThrow(id)
+
+        scheduleValidator.validateCanUpdate(schedule, request)
+
+        schedule.modifyIfNotNull(
+            request.time,
+            request.status
+        ).also {
+            log.info { "[ScheduleService.updateSchedule] 일정 수정 완료: id=$id, request=${request}" }
+        }
+    }
+
+    @Transactional
+    fun deleteSchedule(id: Long) {
+        log.info { "[ScheduleService.deleteSchedule] 일정 삭제 시작: id=$id" }
+
+        val schedule: ScheduleEntity = findOrThrow(id)
+
+        scheduleValidator.validateCanDelete(schedule)
+
+        scheduleRepository.delete(schedule).also {
+            log.info { "[ScheduleService.deleteSchedule] 일정 삭제 완료: id=$id" }
+        }
+    }
+
+    private fun findOrThrow(id: Long): ScheduleEntity {
+        log.info { "[ScheduleService.findOrThrow] 일정 조회 시작: id=$id" }
+
+        return scheduleRepository.findByIdOrNull(id)
+            ?.also { log.info { "[ScheduleService.findOrThrow] 일정 조회 완료: id=$id" } }
+            ?: run {
+                log.warn { "[ScheduleService.updateSchedule] 일정 조회 실패. id=$id" }
+                throw ScheduleException(ScheduleErrorCode.SCHEDULE_NOT_FOUND)
+            }
+    }
+}

src/main/kotlin/roomescape/schedule/business/ScheduleValidator.kt

@@ -0,0 +1,67 @@
+package roomescape.schedule.business
+
+import ScheduleException
+import io.github.oshai.kotlinlogging.KLogger
+import io.github.oshai.kotlinlogging.KotlinLogging
+import org.springframework.stereotype.Component
+import roomescape.schedule.exception.ScheduleErrorCode
+import roomescape.schedule.infrastructure.persistence.ScheduleEntity
+import roomescape.schedule.infrastructure.persistence.ScheduleRepository
+import roomescape.schedule.infrastructure.persistence.ScheduleStatus
+import roomescape.schedule.web.ScheduleCreateRequest
+import roomescape.schedule.web.ScheduleUpdateRequest
+import java.time.LocalDate
+import java.time.LocalDateTime
+import java.time.LocalTime
+
+private val log: KLogger = KotlinLogging.logger {}
+
+@Component
+class ScheduleValidator(
+    private val scheduleRepository: ScheduleRepository
+) {
+    fun validateCanDelete(schedule: ScheduleEntity) {
+        val status: ScheduleStatus = schedule.status
+
+        if (status !in listOf(ScheduleStatus.AVAILABLE,ScheduleStatus.BLOCKED)) {
+            log.info { "[ScheduleValidator.validateCanDelete] 삭제 실패: id=${schedule.id} / status=${status}" }
+            throw ScheduleException(ScheduleErrorCode.SCHEDULE_IN_USE)
+        }
+    }
+
+    fun validateCanUpdate(schedule: ScheduleEntity, request: ScheduleUpdateRequest) {
+        val date: LocalDate = schedule.date
+        val time: LocalTime = request.time ?: schedule.time
+
+        validateDateTime(date, time)
+    }
+
+    fun validateCanCreate(request: ScheduleCreateRequest) {
+        val date: LocalDate = request.date
+        val time: LocalTime = request.time
+        val themeId: Long = request.themeId
+
+        validateAlreadyExists(date, themeId, time)
+        validateDateTime(date, time)
+    }
+
+    private fun validateAlreadyExists(date: LocalDate, themeId: Long, time: LocalTime) {
+        if (scheduleRepository.existsByDateAndThemeIdAndTime(date, themeId, time)) {
+            log.info {
+                "[ScheduleValidator.validateAlreadyExists] 동일한 날짜, 테마, 시간 존재로 인한 실패: date=${date} / themeId=${themeId} / time=${time}"
+            }
+            throw ScheduleException(ScheduleErrorCode.SCHEDULE_ALREADY_EXISTS)
+        }
+    }
+
+    private fun validateDateTime(date: LocalDate, time: LocalTime) {
+        val dateTime = LocalDateTime.of(date, time)
+
+        if (dateTime.isBefore(LocalDateTime.now())) {
+            log.info {
+                "[ScheduleValidator.validateDateTime] 이전 시간 선택으로 인한 실패: date=${date} / time=${time}"
+            }
+            throw ScheduleException(ScheduleErrorCode.PAST_DATE_TIME)
+        }
+    }
+}

src/main/kotlin/roomescape/schedule/docs/ScheduleAPI.kt

@@ -0,0 +1,69 @@
+package roomescape.schedule.docs
+
+import io.swagger.v3.oas.annotations.Operation
+import io.swagger.v3.oas.annotations.responses.ApiResponse
+import io.swagger.v3.oas.annotations.responses.ApiResponses
+import jakarta.validation.Valid
+import org.springframework.format.annotation.DateTimeFormat
+import org.springframework.http.ResponseEntity
+import org.springframework.web.bind.annotation.PathVariable
+import org.springframework.web.bind.annotation.RequestBody
+import org.springframework.web.bind.annotation.RequestParam
+import roomescape.auth.web.support.Admin
+import roomescape.auth.web.support.LoginRequired
+import roomescape.common.dto.response.CommonApiResponse
+import roomescape.schedule.web.*
+import java.time.LocalDate
+
+interface ScheduleAPI {
+
+    @LoginRequired
+    @Operation(summary = "입력된 날짜에 가능한 테마 목록 조회", tags = ["로그인이 필요한 API"])
+    @ApiResponses(ApiResponse(responseCode = "200", description = "입력된 날짜에 가능한 테마 목록 조회", useReturnTypeSchema = true))
+    fun findAvailableThemes(
+        @RequestParam("date") @DateTimeFormat(pattern = "yyyy-MM-dd") date: LocalDate
+    ): ResponseEntity<CommonApiResponse<AvailableThemeIdListResponse>>
+
+    @LoginRequired
+    @Operation(summary = "입력된 날짜, 테마에 대한 모든 시간 조회", tags = ["로그인이 필요한 API"])
+    @ApiResponses(
+        ApiResponse(
+            responseCode = "200",
+            description = "입력된 날짜, 테마에 대한 모든 시간 조회",
+            useReturnTypeSchema = true
+        )
+    )
+    fun findAllTime(
+        @RequestParam("date") @DateTimeFormat(pattern = "yyyy-MM-dd") date: LocalDate,
+        @RequestParam("themeId") themeId: Long
+    ): ResponseEntity<CommonApiResponse<ScheduleRetrieveListResponse>>
+
+    @Admin
+    @Operation(summary = "일정 상세 조회", tags = ["관리자 로그인이 필요한 API"])
+    @ApiResponses(ApiResponse(responseCode = "200", description = "감사 정보를 포함하여 일정 상세 조회", useReturnTypeSchema = true))
+    fun findScheduleDetail(
+        @PathVariable("id") id: Long
+    ): ResponseEntity<CommonApiResponse<ScheduleDetailRetrieveResponse>>
+
+    @Admin
+    @Operation(summary = "일정 생성", tags = ["관리자 로그인이 필요한 API"])
+    @ApiResponses(ApiResponse(responseCode = "200", description = "성공", useReturnTypeSchema = true))
+    fun createSchedule(
+        @Valid @RequestBody request: ScheduleCreateRequest
+    ): ResponseEntity<CommonApiResponse<ScheduleCreateResponse>>
+
+    @Admin
+    @Operation(summary = "일정 수정", tags = ["관리자 로그인이 필요한 API"])
+    @ApiResponses(ApiResponse(responseCode = "200", description = "성공", useReturnTypeSchema = true))
+    fun updateSchedule(
+        @PathVariable("id") id: Long,
+        @Valid @RequestBody request: ScheduleUpdateRequest
+    ): ResponseEntity<CommonApiResponse<Unit>>
+
+    @Admin
+    @Operation(summary = "일정 삭제", tags = ["관리자 로그인이 필요한 API"])
+    @ApiResponses(ApiResponse(responseCode = "204", description = "성공", useReturnTypeSchema = true))
+    fun deleteSchedule(
+        @PathVariable("id") id: Long
+    ): ResponseEntity<CommonApiResponse<Unit>>
+}

src/main/kotlin/roomescape/schedule/exception/ScheduleErrorCode.kt

@@ -0,0 +1,15 @@
+package roomescape.schedule.exception
+
+import org.springframework.http.HttpStatus
+import roomescape.common.exception.ErrorCode
+
+enum class ScheduleErrorCode(
+    override val httpStatus: HttpStatus,
+    override val errorCode: String,
+    override val message: String
+) : ErrorCode {
+    SCHEDULE_NOT_FOUND(HttpStatus.NOT_FOUND, "S001", "일정을 찾을 수 없어요."),
+    SCHEDULE_ALREADY_EXISTS(HttpStatus.CONFLICT, "S002", "이미 동일한 일정이 있어요."),
+    PAST_DATE_TIME(HttpStatus.BAD_REQUEST, "S003", "과거 날짜와 시간은 선택할 수 없어요."),
+    SCHEDULE_IN_USE(HttpStatus.CONFLICT, "S004", "예약이 진행중이거나 완료된 일정은 삭제할 수 없어요."),
+}

src/main/kotlin/roomescape/schedule/exception/ScheduleException.kt

@@ -0,0 +1,7 @@
+import roomescape.common.exception.ErrorCode
+import roomescape.common.exception.RoomescapeException
+
+class ScheduleException(
+    override val errorCode: ErrorCode,
+    override val message: String = errorCode.message
+) : RoomescapeException(errorCode, message)

src/main/kotlin/roomescape/schedule/infrastructure/persistence/ScheduleEntity.kt

@@ -0,0 +1,36 @@
+package roomescape.schedule.infrastructure.persistence
+
+import jakarta.persistence.Entity
+import jakarta.persistence.EnumType
+import jakarta.persistence.Enumerated
+import jakarta.persistence.Table
+import jakarta.persistence.UniqueConstraint
+import roomescape.common.entity.AuditingBaseEntity
+import java.time.LocalDate
+import java.time.LocalTime
+
+@Entity
+@Table(name = "schedule", uniqueConstraints = [UniqueConstraint(columnNames = ["date", "time", "theme_id"])])
+class ScheduleEntity(
+    id: Long,
+
+    var date: LocalDate,
+    var time: LocalTime,
+    var themeId: Long,
+
+    @Enumerated(value = EnumType.STRING)
+    var status: ScheduleStatus
+) : AuditingBaseEntity(id) {
+
+    fun modifyIfNotNull(
+        time: LocalTime?,
+        status: ScheduleStatus?
+    ) {
+        time?.let { this.time = it }
+        status?.let { this.status = it }
+    }
+}
+
+enum class ScheduleStatus {
+    AVAILABLE, PENDING, RESERVED, BLOCKED
+}

src/main/kotlin/roomescape/schedule/infrastructure/persistence/ScheduleRepository.kt

@@ -0,0 +1,14 @@
+package roomescape.schedule.infrastructure.persistence
+
+import org.springframework.data.jpa.repository.JpaRepository
+import java.time.LocalDate
+import java.time.LocalTime
+
+interface ScheduleRepository : JpaRepository<ScheduleEntity, Long> {
+
+    fun findAllByDate(date: LocalDate): List<ScheduleEntity>
+
+    fun findAllByDateAndThemeId(date: LocalDate, themeId: Long): List<ScheduleEntity>
+
+    fun existsByDateAndThemeIdAndTime(date: LocalDate, themeId: Long, time: LocalTime): Boolean
+}

src/main/kotlin/roomescape/schedule/web/ScheduleController.kt

@@ -0,0 +1,71 @@
+package roomescape.schedule.web
+
+import jakarta.validation.Valid
+import org.springframework.format.annotation.DateTimeFormat
+import org.springframework.http.ResponseEntity
+import org.springframework.web.bind.annotation.*
+import roomescape.common.dto.response.CommonApiResponse
+import roomescape.schedule.business.ScheduleService
+import roomescape.schedule.docs.ScheduleAPI
+import java.time.LocalDate
+
+@RestController
+class ScheduleController(
+    private val scheduleService: ScheduleService
+) : ScheduleAPI {
+    @GetMapping("/schedules/themes")
+    override fun findAvailableThemes(
+        @RequestParam("date") @DateTimeFormat(pattern = "yyyy-MM-dd") date: LocalDate
+    ): ResponseEntity<CommonApiResponse<AvailableThemeIdListResponse>> {
+        val response = scheduleService.findThemesByDate(date)
+
+        return ResponseEntity.ok(CommonApiResponse(response))
+    }
+
+    @GetMapping("/schedules")
+    override fun findAllTime(
+        @RequestParam("date") @DateTimeFormat(pattern = "yyyy-MM-dd") date: LocalDate,
+        @RequestParam("themeId") themeId: Long
+    ): ResponseEntity<CommonApiResponse<ScheduleRetrieveListResponse>> {
+        val response = scheduleService.findSchedules(date, themeId)
+
+        return ResponseEntity.ok(CommonApiResponse(response))
+    }
+
+    @GetMapping("/schedules/{id}")
+    override fun findScheduleDetail(
+        @PathVariable("id") id: Long
+    ): ResponseEntity<CommonApiResponse<ScheduleDetailRetrieveResponse>> {
+        val response = scheduleService.findDetail(id)
+
+        return ResponseEntity.ok(CommonApiResponse(response))
+    }
+
+    @PostMapping("/schedules")
+    override fun createSchedule(
+        @Valid @RequestBody request: ScheduleCreateRequest
+    ): ResponseEntity<CommonApiResponse<ScheduleCreateResponse>> {
+        val response = scheduleService.createSchedule(request)
+
+        return ResponseEntity.ok(CommonApiResponse(response))
+    }
+
+    @PatchMapping("/schedules/{id}")
+    override fun updateSchedule(
+        @PathVariable("id") id: Long,
+        @Valid @RequestBody request: ScheduleUpdateRequest
+    ): ResponseEntity<CommonApiResponse<Unit>> {
+        scheduleService.updateSchedule(id, request)
+
+        return ResponseEntity.ok(CommonApiResponse(Unit))
+    }
+
+    @DeleteMapping("/schedules/{id}")
+    override fun deleteSchedule(
+        @PathVariable("id") id: Long
+    ): ResponseEntity<CommonApiResponse<Unit>> {
+        scheduleService.deleteSchedule(id)
+
+        return ResponseEntity.noContent().build()
+    }
+}

src/main/kotlin/roomescape/schedule/web/ScheduleDto.kt

@@ -0,0 +1,68 @@
+package roomescape.schedule.web
+
+import roomescape.schedule.infrastructure.persistence.ScheduleEntity
+import roomescape.schedule.infrastructure.persistence.ScheduleStatus
+import java.time.LocalDate
+import java.time.LocalDateTime
+import java.time.LocalTime
+
+data class AvailableThemeIdListResponse(
+    val themeIds: List<Long>
+)
+
+fun List<ScheduleEntity>.toThemeIdListResponse() = AvailableThemeIdListResponse(this.map { it.themeId })
+
+data class ScheduleRetrieveResponse(
+    val id: Long,
+    val time: LocalTime,
+    val status: ScheduleStatus
+)
+
+data class ScheduleRetrieveListResponse(
+    val schedules: List<ScheduleRetrieveResponse>
+)
+
+fun List<ScheduleEntity>.toRetrieveListResponse() = ScheduleRetrieveListResponse(
+    this.map { ScheduleRetrieveResponse(it.id, it.time, it.status) }
+)
+
+data class ScheduleCreateRequest(
+    val date: LocalDate,
+    val time: LocalTime,
+    val themeId: Long
+)
+
+data class ScheduleCreateResponse(
+    val id: Long
+)
+
+data class ScheduleUpdateRequest(
+    val time: LocalTime? = null,
+    val status: ScheduleStatus? = null
+) {
+    fun isAllParamsNull(): Boolean {
+        return time == null && status == null
+    }
+}
+
+data class ScheduleDetailRetrieveResponse(
+    val id: Long,
+    val date: LocalDate,
+    val time: LocalTime,
+    val status: ScheduleStatus,
+    val createdAt: LocalDateTime,
+    val createdBy: String,
+    val updatedAt: LocalDateTime,
+    val updatedBy: String,
+)
+
+fun ScheduleEntity.toDetailRetrieveResponse(createdBy: String, updatedBy: String) = ScheduleDetailRetrieveResponse(
+    id = this.id,
+    date = this.date,
+    time = this.time,
+    status = this.status,
+    createdAt = this.createdAt,
+    createdBy = createdBy,
+    updatedAt = this.updatedAt,
+    updatedBy = updatedBy
+)

src/main/kotlin/roomescape/theme/business/ThemeServiceV2.kt

@@ -23,6 +23,16 @@ class ThemeServiceV2(
     private val memberService: MemberService,
     private val themeValidator: ThemeValidatorV2
 ) {
+    @Transactional(readOnly = true)
+    fun findThemesByIds(request: ThemeListRetrieveRequest): ThemeRetrieveListResponseV2 {
+        log.info { "[ThemeService.findThemesByIds] 예약 페이지에서의 테마 목록 조회 시작: themeIds=${request.themeIds}" }
+
+        return request.themeIds
+            .map { findOrThrow(it) }
+            .toRetrieveListResponse()
+            .also { log.info { "[ThemeService.findThemesByIds] ${it.themes.size}개 테마 조회 완료" } }
+    }
+
     @Transactional(readOnly = true)
     fun findThemesForReservation(): ThemeRetrieveListResponseV2 {
         log.info { "[ThemeService.findThemesForReservation] 예약 페이지에서의 테마 목록 조회 시작" }
@@ -43,19 +53,15 @@ class ThemeServiceV2(
 
     @Transactional(readOnly = true)
     fun findAdminThemeDetail(id: Long): AdminThemeDetailRetrieveResponse {
-        log.info { "[ThemeService.findAdminThemeDetail] 관리자 페이지에서의 테마 상세 정보 조회 시작" }
+        log.info { "[ThemeService.findAdminThemeDetail] 관리자 페이지에서의 테마 상세 정보 조회 시작: id=${id}" }
 
-        val theme = themeRepository.findByIdOrNull(id)
-            ?: run {
-                log.warn { "[ThemeService.findAdminThemeDetail] 테마 조회 실패. id=$id" }
-                throw ThemeException(ThemeErrorCode.THEME_NOT_FOUND)
-            }
+        val theme: ThemeEntityV2 = findOrThrow(id)
 
         val createdBy = memberService.findById(theme.createdBy).name
         val updatedBy = memberService.findById(theme.updatedBy).name
 
         return theme.toAdminThemeDetailResponse(createdBy, updatedBy)
-            .also { log.info { "[ThemeService.findAdminThemeDetail] 테마 상세 조회 완료. id=$id, name=${theme.name}" } }
+            .also { log.info { "[ThemeService.findAdminThemeDetail] 테마 상세 조회 완료: id=$id, name=${theme.name}" } }
     }
 
     @Transactional
@@ -69,36 +75,33 @@ class ThemeServiceV2(
         )
 
         return ThemeCreateResponseV2(theme.id).also {
-            log.info { "[ThemeService.createTheme] 테마 생성 완료. id=${theme.id}, name=${theme.name}" }
+            log.info { "[ThemeService.createTheme] 테마 생성 완료: id=${theme.id}, name=${theme.name}" }
         }
     }
 
     @Transactional
     fun deleteTheme(id: Long) {
-        log.info { "[ThemeService.deleteTheme] 테마 삭제 시작" }
+        log.info { "[ThemeService.deleteTheme] 테마 삭제 시작: id=${id}" }
 
-        val theme = themeRepository.findByIdOrNull(id)
-            ?: run {
-                log.warn { "[ThemeService.deleteTheme] 테마 조회 실패. id=$id" }
-                throw ThemeException(ThemeErrorCode.THEME_NOT_FOUND)
-            }
+        val theme: ThemeEntityV2 = findOrThrow(id)
 
         themeRepository.delete(theme).also {
-            log.info { "[ThemeService.deleteTheme] 테마 삭제 완료. id=$id, name=${theme.name}" }
+            log.info { "[ThemeService.deleteTheme] 테마 삭제 완료: id=$id, name=${theme.name}" }
         }
     }
 
     @Transactional
     fun updateTheme(id: Long, request: ThemeUpdateRequest) {
-        log.info { "[ThemeService.updateTheme] 테마 수정 시작" }
+        log.info { "[ThemeService.updateTheme] 테마 수정 시작: id=${id}, request=${request}" }
+
+        if (request.isAllParamsNull()) {
+            log.info { "[ThemeService.updateTheme] 테마 변경 사항 없음: id=${id}" }
+            return
+        }
 
         themeValidator.validateCanUpdate(request)
 
-        val theme: ThemeEntityV2 = themeRepository.findByIdOrNull(id)
-            ?: run {
-                log.warn { "[ThemeService.updateTheme] 테마 조회 실패. id=$id" }
-                throw ThemeException(ThemeErrorCode.THEME_NOT_FOUND)
-            }
+        val theme: ThemeEntityV2 = findOrThrow(id)
 
         theme.modifyIfNotNull(
             request.name,
@@ -112,6 +115,19 @@ class ThemeServiceV2(
             request.expectedMinutesFrom,
             request.expectedMinutesTo,
             request.isOpen,
-        )
+        ).also {
+            log.info { "[ThemeService.updateTheme] 테마 수정 완료: id=$id, request=${request}" }
+        }
+    }
+
+    private fun findOrThrow(id: Long): ThemeEntityV2 {
+        log.info { "[ThemeService.findOrThrow] 테마 조회 시작: id=$id" }
+
+        return themeRepository.findByIdOrNull(id)
+            ?.also { log.info { "[ThemeService.findOrThrow] 테마 조회 완료: id=$id" } }
+            ?: run {
+                log.warn { "[ThemeService.updateTheme] 테마 조회 실패: id=$id" }
+                throw ThemeException(ThemeErrorCode.THEME_NOT_FOUND)
+            }
     }
 }

src/main/kotlin/roomescape/theme/business/ThemeValidatorV2.kt

@@ -32,7 +32,7 @@ class ThemeValidatorV2(
 
     fun validateCanCreate(request: ThemeCreateRequestV2) {
         if (themeRepository.existsByName(request.name)) {
-            log.info { "[ThemeValidator.validateCanCreate] 이름 중복: name=${request.name}" }
+            log.info { "[ThemeValidator.validateCanCreate] 이름 중복으로 인한 실패: name=${request.name}" }
             throw ThemeException(ThemeErrorCode.THEME_NAME_DUPLICATED)
         }
 
@@ -55,7 +55,7 @@ class ThemeValidatorV2(
         maxParticipants: Short?,
     ) {
         if (isNotNullAndBelowThan(price, MIN_PRICE)) {
-            log.info { "[ThemeValidator.validateCanCreate] 최소 가격 미달: price=${price}" }
+            log.info { "[ThemeValidator.validateCanCreate] 최소 가격 미달로 인한 실패로 인한 실패: price=${price}" }
             throw ThemeException(ThemeErrorCode.PRICE_BELOW_MINIMUM)
         }
         validateTimes(availableMinutes, expectedMinutesFrom, expectedMinutesTo)
@@ -72,18 +72,18 @@ class ThemeValidatorV2(
             || isNotNullAndBelowThan(expectedMinutesTo, MIN_DURATION)
         ) {
             log.info {
-                "[ThemeValidator.validateTimes] 최소 시간 미달: availableMinutes=$availableMinutes" +
+                "[ThemeValidator.validateTimes] 최소 시간 미달로 인한 실패로 인한 실패: availableMinutes=$availableMinutes" +
                         ", expectedMinutesFrom=$expectedMinutesFrom, expectedMinutesTo=$expectedMinutesTo"
             }
             throw ThemeException(ThemeErrorCode.DURATION_BELOW_MINIMUM)
         }
 
         if (expectedMinutesFrom.isNotNullAndGraterThan(expectedMinutesTo)) {
-            log.info { "[ThemeValidator.validateTimes] 최소 예상 시간의 최대 예상 시간 초과: expectedMinutesFrom=$expectedMinutesFrom, expectedMinutesTo=$expectedMinutesTo" }
+            log.info { "[ThemeValidator.validateTimes] 최소 예상 시간의 최대 예상 시간 초과로 인한 실패: expectedMinutesFrom=$expectedMinutesFrom, expectedMinutesTo=$expectedMinutesTo" }
             throw ThemeException(ThemeErrorCode.MIN_EXPECTED_TIME_EXCEEDS_MAX_EXPECTED_TIME)
         }
         if (expectedMinutesTo.isNotNullAndGraterThan(availableMinutes)) {
-            log.info { "[ThemeValidator.validateTimes] 예상 시간의 이용 가능 시간 초과: availableMinutes=$expectedMinutesFrom, expectedMinutesFrom=$expectedMinutesFrom, expectedMinutesTo=$expectedMinutesTo" }
+            log.info { "[ThemeValidator.validateTimes] 예상 시간의 이용 가능 시간 초과로 인한 실패: availableMinutes=$expectedMinutesFrom, expectedMinutesFrom=$expectedMinutesFrom, expectedMinutesTo=$expectedMinutesTo" }
             throw ThemeException(ThemeErrorCode.EXPECTED_TIME_EXCEEDS_AVAILABLE_TIME)
         }
     }
@@ -95,11 +95,11 @@ class ThemeValidatorV2(
         if (isNotNullAndBelowThan(minParticipants, MIN_PARTICIPANTS)
             || isNotNullAndBelowThan(maxParticipants, MIN_PARTICIPANTS)
         ) {
-            log.info { "[ThemeValidator.validateParticipants] 최소 인원 미달: minParticipants=$minParticipants, maxParticipants=$maxParticipants" }
+            log.info { "[ThemeValidator.validateParticipants] 최소 인원 미달로 인한 실패: minParticipants=$minParticipants, maxParticipants=$maxParticipants" }
             throw ThemeException(ThemeErrorCode.PARTICIPANT_BELOW_MINIMUM)
         }
         if (minParticipants.isNotNullAndGraterThan(maxParticipants)) {
-            log.info { "[ThemeValidator.validateParticipants] 최소 인원의 최대 인원 초과: minParticipants=$minParticipants, maxParticipants=$maxParticipants" }
+            log.info { "[ThemeValidator.validateParticipants] 최소 인원의 최대 인원 초과로 인한 실패: minParticipants=$minParticipants, maxParticipants=$maxParticipants" }
             throw ThemeException(ThemeErrorCode.MIN_PARTICIPANT_EXCEEDS_MAX_PARTICIPANT)
         }
     }

src/main/kotlin/roomescape/theme/docs/ThemeApiV2.kt

@@ -15,6 +15,7 @@ import roomescape.theme.web.AdminThemeDetailRetrieveResponse
 import roomescape.theme.web.AdminThemeSummaryRetrieveListResponse
 import roomescape.theme.web.ThemeCreateRequestV2
 import roomescape.theme.web.ThemeCreateResponseV2
+import roomescape.theme.web.ThemeListRetrieveRequest
 import roomescape.theme.web.ThemeUpdateRequest
 import roomescape.theme.web.ThemeRetrieveListResponseV2
 
@@ -33,7 +34,7 @@ interface ThemeAPIV2 {
 
     @Admin
     @Operation(summary = "테마 추가", tags = ["관리자 로그인이 필요한 API"])
-    @ApiResponses(ApiResponse(responseCode = "201", description = "성공", useReturnTypeSchema = true))
+    @ApiResponses(ApiResponse(responseCode = "200", description = "성공", useReturnTypeSchema = true))
     fun createTheme(@Valid @RequestBody themeCreateRequestV2: ThemeCreateRequestV2): ResponseEntity<CommonApiResponse<ThemeCreateResponseV2>>
 
     @Admin
@@ -53,4 +54,9 @@ interface ThemeAPIV2 {
     @Operation(summary = "예약 페이지에서 모든 테마 조회", description = "모든 테마를 조회합니다.", tags = ["로그인이 필요한 API"])
     @ApiResponses(ApiResponse(responseCode = "200", description = "성공", useReturnTypeSchema = true))
     fun findUserThemes(): ResponseEntity<CommonApiResponse<ThemeRetrieveListResponseV2>>
+
+    @LoginRequired
+    @Operation(summary = "예약 페이지에서 입력한 날짜에 가능한 테마 조회", description = "입력한 날짜에 가능한 테마를 조회합니다.", tags = ["로그인이 필요한 API"])
+    @ApiResponses(ApiResponse(responseCode = "200", description = "성공", useReturnTypeSchema = true))
+    fun findThemesByIds(request: ThemeListRetrieveRequest): ResponseEntity<CommonApiResponse<ThemeRetrieveListResponseV2>>
 }

src/main/kotlin/roomescape/theme/web/ThemeControllerV2.kt

@@ -12,6 +12,15 @@ class ThemeControllerV2(
     private val themeService: ThemeServiceV2,
 ) : ThemeAPIV2 {
 
+    @PostMapping("/themes/retrieve")
+    override fun findThemesByIds(
+        @RequestBody request: ThemeListRetrieveRequest
+    ): ResponseEntity<CommonApiResponse<ThemeRetrieveListResponseV2>> {
+        val response = themeService.findThemesByIds(request)
+
+        return ResponseEntity.ok(CommonApiResponse(response))
+    }
+
     @GetMapping("/v2/themes")
     override fun findUserThemes(): ResponseEntity<CommonApiResponse<ThemeRetrieveListResponseV2>> {
         val response = themeService.findThemesForReservation()

src/main/kotlin/roomescape/theme/web/ThemeDtoV2.kt

@@ -49,7 +49,21 @@ data class ThemeUpdateRequest(
     val expectedMinutesFrom: Short? = null,
     val expectedMinutesTo: Short? = null,
     val isOpen: Boolean? = null,
-)
+) {
+    fun isAllParamsNull(): Boolean {
+        return name == null &&
+                description == null &&
+                thumbnailUrl == null &&
+                difficulty == null &&
+                price == null &&
+                minParticipants == null &&
+                maxParticipants == null &&
+                availableMinutes == null &&
+                expectedMinutesFrom == null &&
+                expectedMinutesTo == null &&
+                isOpen == null
+    }
+}
 
 data class AdminThemeSummaryRetrieveResponse(
     val id: Long,
@@ -114,6 +128,10 @@ fun ThemeEntityV2.toAdminThemeDetailResponse(createUserName: String, updateUserN
         updatedBy = updateUserName
     )
 
+data class ThemeListRetrieveRequest(
+    val themeIds: List<Long>
+)
+
 data class ThemeRetrieveResponseV2(
     val id: Long,
     val name: String,

src/main/resources/logback-local.xml

@@ -16,11 +16,11 @@
         <appender-ref ref="CONSOLE"/>
     </root>
 
-    <logger name="roomescape" level="debug" additivity="false">
+    <logger name="roomescape" level="info" additivity="false">
         <appender-ref ref="CONSOLE"/>
     </logger>
 
-    <logger name="all-query-logger" level="debug" additivity="false">
+    <logger name="all-query-logger" level="info" additivity="false">
         <appender-ref ref="CONSOLE"/>
     </logger>
 </included>

src/main/resources/schema/region-data.sql

@@ -1,5 +1,3 @@
-CREATE UNIQUE INDEX IF NOT EXISTS idx_region_sido_sigungu_dong ON region(sido_code, sigungu_code, dong_code);
-
 INSERT INTO region (code, sido_code, sigungu_code, dong_code, sido_name, sigungu_name, dong_name)
 VALUES ('1111010100', '11', '110', '10100', '서울특별시', '종로구', '청운동'),
        ('1111010200', '11', '110', '10200', '서울특별시', '종로구', '신교동'),

src/main/resources/schema/schema-h2.sql

@@ -49,6 +49,23 @@ create table if not exists theme (
     constraint fk_theme__updated_by foreign key (updated_by) references members (member_id)
 );
 
+create table if not exists schedule (
+    id          bigint      primary key,
+    date        date        not null,
+    time        time        not null,
+    theme_id    bigint      not null,
+    status      varchar(30) not null,
+    created_at  timestamp   not null,
+    created_by  bigint      not null,
+    updated_at  timestamp   not null,
+    updated_by  bigint      not null,
+
+    constraint uk_schedule__date_time_theme_id unique (date, time, theme_id),
+    constraint fk_schedule__created_by foreign key (created_by) references members (member_id),
+    constraint fk_schedule__updated_by foreign key (updated_by) references members (member_id),
+    constraint fk_schedule__theme_id foreign key (theme_id) references theme (id)
+);
+
 create table if not exists times (
     time_id          bigint    primary key,
     start_at         time      not null,

src/main/resources/schema/schema-mysql.sql

@@ -51,6 +51,23 @@ create table if not exists theme (
     constraint fk_theme__updated_by foreign key (updated_by) references members (member_id)
 );
 
+create table if not exists schedule (
+    id          bigint       primary key,
+    date        date         not null,
+    time        time         not null,
+    theme_id    bigint       not null,
+    status      varchar(30)  not null,
+    created_at  datetime(6)  not null,
+    created_by  bigint       not null,
+    updated_at  datetime(6)  not null,
+    updated_by  bigint       not null,
+
+    constraint uk_schedule__date_time_theme_id unique (date, time, theme_id),
+    constraint fk_schedule__created_by foreign key (created_by) references members (member_id),
+    constraint fk_schedule__updated_by foreign key (updated_by) references members (member_id),
+    constraint fk_schedule__theme_id foreign key (theme_id) references theme (id)
+);
+
 create table if not exists times
 (
     time_id          bigint      primary key,

src/test/kotlin/roomescape/schedule/ScheduleApiTest.kt

@@ -0,0 +1,569 @@
+package roomescape.schedule
+
+import io.kotest.matchers.date.shouldBeAfter
+import io.kotest.matchers.nulls.shouldNotBeNull
+import io.kotest.matchers.shouldBe
+import io.kotest.matchers.shouldNotBe
+import io.restassured.module.kotlin.extensions.Extract
+import io.restassured.module.kotlin.extensions.Given
+import io.restassured.module.kotlin.extensions.When
+import io.restassured.response.ValidatableResponse
+import org.hamcrest.CoreMatchers.equalTo
+import org.hamcrest.CoreMatchers.notNullValue
+import org.springframework.data.repository.findByIdOrNull
+import org.springframework.http.HttpStatus
+import org.springframework.http.MediaType
+import roomescape.auth.exception.AuthErrorCode
+import roomescape.member.infrastructure.persistence.Role
+import roomescape.schedule.exception.ScheduleErrorCode
+import roomescape.schedule.infrastructure.persistence.ScheduleEntity
+import roomescape.schedule.infrastructure.persistence.ScheduleRepository
+import roomescape.schedule.infrastructure.persistence.ScheduleStatus
+import roomescape.schedule.web.ScheduleCreateRequest
+import roomescape.schedule.web.ScheduleUpdateRequest
+import roomescape.util.*
+import java.time.LocalDate
+import java.time.LocalTime
+
+class ScheduleApiTest(
+    private val scheduleRepository: ScheduleRepository
+) : FunSpecSpringbootTest() {
+
+    init {
+        context("관리자가 아니면 접근할 수 없다.") {
+            lateinit var token: String
+
+            beforeTest {
+                token = loginUtil.loginAsUser()
+            }
+
+            val commonAssertion: ValidatableResponse.() -> Unit = {
+                statusCode(HttpStatus.FORBIDDEN.value())
+                body(
+                    "code",
+                    equalTo(AuthErrorCode.ACCESS_DENIED.errorCode)
+                )
+            }
+
+            test("일정 상세: GET /schedules/{id}") {
+                runTest(
+                    token = token,
+                    on = {
+                        get("/schedules/1")
+                    },
+                    expect = commonAssertion
+                )
+            }
+
+            test("일정 생성: POST /schedules") {
+                runTest(
+                    token = token,
+                    using = {
+                        body(ScheduleFixture.createRequest)
+                    },
+                    on = {
+                        get("/schedules/1")
+                    },
+                    expect = commonAssertion
+                )
+            }
+
+            test("일정 수정: PATCH /schedules/{id}") {
+                val createdSchedule: ScheduleEntity =
+                    createDummySchedule(
+                        ScheduleFixture.createRequest
+                    )
+
+                runTest(
+                    token = token,
+                    using = {
+                        body(ScheduleFixture.createRequest)
+                    },
+                    on = {
+                        patch("/schedules/${createdSchedule.id}")
+                    },
+                    expect = commonAssertion
+                )
+            }
+
+            test("일정 삭제: DELETE /schedules/{id}") {
+                val createdSchedule: ScheduleEntity =
+                    createDummySchedule(
+                        ScheduleFixture.createRequest
+                    )
+
+                runTest(
+                    token = token,
+                    on = {
+                        delete("/schedules/${createdSchedule.id}")
+                    },
+                    expect = commonAssertion
+                )
+            }
+        }
+
+        context("일반 회원도 접근할 수 있다.") {
+            lateinit var token: String
+
+            beforeTest {
+                token = loginUtil.loginAsUser()
+            }
+
+            test("예약 가능 테마 조회: GET /schedules/themes?date={date}") {
+                val date = LocalDate.now().plusDays(1)
+                val time = LocalTime.now()
+                val createdSchedule: ScheduleEntity =
+                    createDummySchedule(
+                        ScheduleFixture.createRequest.copy(
+                            date = date,
+                            time = time
+                        )
+                    )
+
+                runTest(
+                    token = token,
+                    on = {
+                        get("/schedules/themes?date=$date")
+                    },
+                    expect = {
+                        statusCode(HttpStatus.OK.value())
+                        body("data.themeIds.size()", equalTo(1))
+                        body("data.themeIds[0]", equalTo(createdSchedule.themeId))
+                    }
+                )
+            }
+
+            test("동일한 날짜, 테마에 대한 시간 조회: GET /schedules?date={date}&themeId={themeId}") {
+                val date = LocalDate.now().plusDays(1)
+                val time = LocalTime.now()
+
+                val createdSchedule: ScheduleEntity =
+                    createDummySchedule(
+                        ScheduleFixture.createRequest.copy(
+                            date = date,
+                            time = time
+                        )
+                    )
+                createDummySchedule(
+                    ScheduleFixture.createRequest.copy(
+                        date = date.plusDays(1L),
+                        time = time,
+                        themeId = createdSchedule.themeId
+                    )
+                )
+
+                runTest(
+                    token = token,
+                    on = {
+                        get("/schedules?date=$date&themeId=${createdSchedule.themeId}")
+                    },
+                    expect = {
+                        statusCode(HttpStatus.OK.value())
+                        body("data.schedules.size()", equalTo(1))
+                        body("data.schedules[0].id", equalTo(createdSchedule.id))
+                        assertProperties(
+                            props = setOf("id", "time", "status"),
+                            propsNameIfList = "schedules"
+                        )
+                    }
+                )
+            }
+        }
+
+        context("특정 날짜에 예약 가능한 테마 목록을 조회한다.") {
+            test("정상 응답") {
+                val date = LocalDate.now().plusDays(1)
+                for (i in 1..10) {
+                    createDummySchedule(
+                        ScheduleFixture.createRequest.copy(
+                            date = date,
+                            time = LocalTime.now().plusMinutes(i.toLong())
+                        )
+                    )
+                }
+
+                runTest(
+                    token = loginUtil.loginAsUser(),
+                    on = {
+                        get("/schedules/themes?date=$date")
+                    },
+                    expect = {
+                        statusCode(HttpStatus.OK.value())
+                        body("data.themeIds.size()", equalTo(10))
+                    }
+                )
+            }
+        }
+
+        context("동일한 날짜, 테마에 대한 모든 시간을 조회한다.") {
+            test("정상 응답") {
+                val date = LocalDate.now().plusDays(1)
+                val createdSchedule = createDummySchedule(
+                    ScheduleFixture.createRequest.copy(
+                        date = date,
+                        time = LocalTime.now()
+                    )
+                )
+                for (i in 1..10) {
+                    createDummySchedule(
+                        ScheduleFixture.createRequest.copy(
+                            date = date,
+                            time = LocalTime.now().plusMinutes(i.toLong()),
+                            themeId = createdSchedule.themeId
+                        )
+                    )
+                }
+
+                runTest(
+                    token = loginUtil.loginAsUser(),
+                    on = {
+                        get("/schedules?date=$date&themeId=${createdSchedule.themeId}")
+                    },
+                    expect = {
+                        statusCode(HttpStatus.OK.value())
+                        body("data.schedules.size()", equalTo(11))
+                        assertProperties(
+                            props = setOf("id", "time", "status"),
+                            propsNameIfList = "schedules"
+                        )
+                    }
+                )
+            }
+        }
+
+        context("관리자 페이지에서 특정 일정의 감사 정보를 조회한다.") {
+            test("정상 응답") {
+                val createdSchedule = createDummySchedule(ScheduleFixture.createRequest)
+
+                runTest(
+                    token = loginUtil.loginAsAdmin(),
+                    on = {
+                        get("/schedules/${createdSchedule.id}")
+                    },
+                    expect = {
+                        statusCode(HttpStatus.OK.value())
+                        body("data.id", equalTo(createdSchedule.id))
+                        assertProperties(
+                            props = setOf(
+                                "id", "date", "time", "status",
+                                "createdAt", "createdBy", "updatedAt", "updatedBy",
+                            )
+                        )
+                    }
+                ).also {
+                    it.extract().path<String>("data.createdAt") shouldNotBeNull {}
+                    it.extract().path<String>("data.createdBy") shouldNotBeNull {}
+                    it.extract().path<String>("data.createdAt") shouldNotBeNull {}
+                    it.extract().path<String>("data.createdAt") shouldNotBeNull {}
+                }
+            }
+
+            test("일정이 없으면 실패한다.") {
+                runTest(
+                    token = loginUtil.loginAsAdmin(),
+                    on = {
+                        get("/schedules/1")
+                    },
+                    expect = {
+                        statusCode(HttpStatus.NOT_FOUND.value())
+                        body(
+                            "code",
+                            equalTo(ScheduleErrorCode.SCHEDULE_NOT_FOUND.errorCode)
+                        )
+                    }
+                )
+            }
+        }
+
+        context("일정을 생성한다.") {
+            lateinit var token: String
+
+            beforeTest {
+                token = loginUtil.loginAsAdmin()
+            }
+
+            test("정상 생성 및 감사 정보 확인") {
+                /**
+                 * FK 제약조건 해소를 위한 테마 생성 API 호출 및 ID 획득
+                 */
+                val themeId: Long = Given {
+                    contentType(MediaType.APPLICATION_JSON_VALUE)
+                    header("Authorization", "Bearer $token")
+                    body(ThemeFixtureV2.createRequest.copy(name = "theme-${System.currentTimeMillis()}"))
+                } When {
+                    post("/admin/themes")
+                } Extract {
+                    path("data.id")
+                }
+
+                /**
+                 * 생성 테스트
+                 */
+                runTest(
+                    token = token,
+                    using = {
+                        body(ScheduleFixture.createRequest.copy(themeId = themeId))
+                    },
+                    on = {
+                        post("/schedules")
+                    },
+                    expect = {
+                        statusCode(HttpStatus.OK.value())
+                        body("data.id", notNullValue())
+                    }
+                ).also {
+                    val createdScheduleId: Long = it.extract().path("data.id")
+                    val createdSchedule: ScheduleEntity = scheduleRepository.findByIdOrNull(createdScheduleId)
+                        ?: throw AssertionError("Unexpected Exception Occurred.")
+
+                    createdSchedule.date shouldBe ScheduleFixture.createRequest.date
+                    createdSchedule.time.hour shouldBe ScheduleFixture.createRequest.time.hour
+                    createdSchedule.time.minute shouldBe ScheduleFixture.createRequest.time.minute
+                    createdSchedule.createdAt shouldNotBeNull {}
+                    createdSchedule.createdBy shouldNotBeNull {}
+                    createdSchedule.updatedAt shouldNotBeNull {}
+                    createdSchedule.updatedBy shouldNotBeNull {}
+                }
+            }
+
+            test("이미 동일한 날짜, 시간, 테마인 일정이 있으면 실패한다.") {
+                val date = LocalDate.now().plusDays(1)
+                val time = LocalTime.of(10, 0)
+
+                val alreadyCreated: ScheduleEntity = createDummySchedule(
+                    ScheduleFixture.createRequest.copy(
+                        date = date, time = time
+                    )
+                )
+
+                runTest(
+                    token = token,
+                    using = {
+                        body(
+                            ScheduleFixture.createRequest.copy(
+                                date = date, time = time, themeId = alreadyCreated.themeId
+                            )
+                        )
+                    },
+                    on = {
+                        post("/schedules")
+                    },
+                    expect = {
+                        statusCode(HttpStatus.CONFLICT.value())
+                        body("code", equalTo(ScheduleErrorCode.SCHEDULE_ALREADY_EXISTS.errorCode))
+                    }
+                )
+            }
+
+            test("입력된 날짜 + 시간이 현재 시간 이전이면 실패한다.") {
+                runTest(
+                    token = token,
+                    using = {
+                        body(
+                            ScheduleFixture.createRequest.copy(
+                                date = LocalDate.now(),
+                                time = LocalTime.now().minusMinutes(1)
+                            )
+                        )
+                    },
+                    on = {
+                        post("/schedules")
+                    },
+                    expect = {
+                        statusCode(HttpStatus.BAD_REQUEST.value())
+                        body("code", equalTo(ScheduleErrorCode.PAST_DATE_TIME.errorCode))
+                    }
+                )
+            }
+        }
+
+        context("일정을 수정한다.") {
+            val updateRequest = ScheduleUpdateRequest(
+                time = LocalTime.now().plusHours(1),
+                status = ScheduleStatus.BLOCKED
+            )
+
+            test("정상 수정 및 감사 정보 변경 확인") {
+                val createdSchedule: ScheduleEntity = createDummySchedule(
+                    ScheduleFixture.createRequest.copy(
+                        date = LocalDate.now().plusDays(1),
+                        time = LocalTime.now().plusMinutes(1),
+                    )
+                )
+                val otherAdminToken = loginUtil.login("admin1@admin.com", "admin1", Role.ADMIN)
+
+                runTest(
+                    token = otherAdminToken,
+                    using = {
+                        body(updateRequest)
+                    },
+                    on = {
+                        patch("/schedules/${createdSchedule.id}")
+                    },
+                    expect = {
+                        statusCode(HttpStatus.OK.value())
+                    }
+                ).also {
+                    val updatedSchedule = scheduleRepository.findByIdOrNull(createdSchedule.id)!!
+
+                    updatedSchedule.id shouldBe createdSchedule.id
+                    updatedSchedule.time.hour shouldBe updateRequest.time!!.hour
+                    updatedSchedule.time.minute shouldBe updateRequest.time.minute
+                    updatedSchedule.status shouldBe updateRequest.status
+                    updatedSchedule.updatedBy shouldNotBe createdSchedule.updatedBy
+                    updatedSchedule.updatedAt shouldBeAfter createdSchedule.updatedAt
+                }
+            }
+
+            test("입력값이 없으면 수정하지 않는다.") {
+                val createdSchedule: ScheduleEntity = createDummySchedule(ScheduleFixture.createRequest)
+
+                runTest(
+                    token = loginUtil.loginAsAdmin(),
+                    using = {
+                        body(ScheduleUpdateRequest())
+                    },
+                    on = {
+                        patch("/schedules/${createdSchedule.id}")
+                    },
+                    expect = {
+                        statusCode(HttpStatus.OK.value())
+                    }
+                ).also {
+                    val updatedSchedule = scheduleRepository.findByIdOrNull(createdSchedule.id)!!
+
+                    updatedSchedule.id shouldBe createdSchedule.id
+                    updatedSchedule.updatedAt shouldBe createdSchedule.updatedAt
+                }
+            }
+
+            test("일정이 없으면 실패한다.") {
+                runTest(
+                    token = loginUtil.loginAsAdmin(),
+                    using = {
+                        body(updateRequest)
+                    },
+                    on = {
+                        patch("/schedules/1")
+                    },
+                    expect = {
+                        statusCode(HttpStatus.NOT_FOUND.value())
+                        body("code", equalTo(ScheduleErrorCode.SCHEDULE_NOT_FOUND.errorCode))
+                    }
+                )
+            }
+
+            test("입력된 날짜 + 시간이 현재 시간 이전이면 실패한다.") {
+                val createdSchedule: ScheduleEntity = createDummySchedule(
+                    ScheduleFixture.createRequest.copy(date = LocalDate.now(), time = LocalTime.now().plusMinutes(1))
+                )
+
+                runTest(
+                    token = loginUtil.loginAsAdmin(),
+                    using = {
+                        body(
+                            updateRequest.copy(
+                                time = LocalTime.now().minusMinutes(1)
+                            )
+                        )
+                    },
+                    on = {
+                        patch("/schedules/${createdSchedule.id}")
+                    },
+                    expect = {
+                        statusCode(HttpStatus.BAD_REQUEST.value())
+                        body("code", equalTo(ScheduleErrorCode.PAST_DATE_TIME.errorCode))
+                    }
+                )
+            }
+        }
+
+        context("일정을 삭제한다.") {
+            test("정상 삭제") {
+                val createdSchedule: ScheduleEntity = createDummySchedule(ScheduleFixture.createRequest)
+
+                runTest(
+                    token = loginUtil.loginAsAdmin(),
+                    on = {
+                        delete("/schedules/${createdSchedule.id}")
+                    },
+                    expect = {
+                        statusCode(HttpStatus.NO_CONTENT.value())
+                    }
+                ).also {
+                    scheduleRepository.findByIdOrNull(createdSchedule.id) shouldBe null
+                }
+            }
+
+            test("예약 중이거나 예약이 완료된 일정이면 실패한다.") {
+                val createdSchedule: ScheduleEntity = createDummySchedule(ScheduleFixture.createRequest)
+
+                /*
+                 * 테스트를 위해 수정 API를 호출하여 상태를 예약 중 상태로 변경
+                 * 생성 API에서는 일정 생성 시 AVAILABLE을 기본 상태로 지정하기 때문.
+                 */
+                runTest(
+                    token = loginUtil.loginAsAdmin(),
+                    using = {
+                        body(
+                            ScheduleUpdateRequest(
+                                status = ScheduleStatus.RESERVED
+                            )
+                        )
+                    },
+                    on = {
+                        patch("/schedules/${createdSchedule.id}")
+                    },
+                    expect = {
+                        statusCode(HttpStatus.OK.value())
+                    }
+                )
+
+                /**
+                 * 삭제 테스트
+                 */
+                runTest(
+                    token = loginUtil.loginAsAdmin(),
+                    on = {
+                        delete("/schedules/${createdSchedule.id}")
+                    },
+                    expect = {
+                        statusCode(HttpStatus.CONFLICT.value())
+                        body("code", equalTo(ScheduleErrorCode.SCHEDULE_IN_USE.errorCode))
+                    }
+                )
+            }
+        }
+    }
+
+    fun createDummySchedule(request: ScheduleCreateRequest): ScheduleEntity {
+        val token = loginUtil.loginAsAdmin()
+
+        val themeId: Long = if (request.themeId > 1L) {
+            request.themeId
+        } else {
+            Given {
+                contentType(MediaType.APPLICATION_JSON_VALUE)
+                header("Authorization", "Bearer $token")
+                body(ThemeFixtureV2.createRequest.copy(name = "theme-${System.currentTimeMillis()}"))
+            } When {
+                post("/admin/themes")
+            } Extract {
+                path("data.id")
+            }
+        }
+
+        val createdScheduleId: Long = Given {
+            contentType(MediaType.APPLICATION_JSON_VALUE)
+            header("Authorization", "Bearer $token")
+            body(request.copy(themeId = themeId))
+        } When {
+            post("/schedules")
+        } Extract {
+            path("data.id")
+        }
+
+        return scheduleRepository.findByIdOrNull(createdScheduleId)
+            ?: throw RuntimeException("unreachable line")
+    }
+}

src/test/kotlin/roomescape/theme/ThemeApiTest.kt

@@ -19,12 +19,12 @@ import roomescape.theme.business.MIN_DURATION
 import roomescape.theme.business.MIN_PARTICIPANTS
 import roomescape.theme.business.MIN_PRICE
 import roomescape.theme.exception.ThemeErrorCode
-import roomescape.theme.infrastructure.persistence.v2.Difficulty
 import roomescape.theme.infrastructure.persistence.v2.ThemeEntityV2
 import roomescape.theme.infrastructure.persistence.v2.ThemeRepositoryV2
 import roomescape.theme.web.ThemeCreateRequestV2
 import roomescape.theme.web.ThemeUpdateRequest
 import roomescape.util.FunSpecSpringbootTest
+import roomescape.util.ThemeFixtureV2.createRequest
 import roomescape.util.assertProperties
 import roomescape.util.runTest
 import kotlin.random.Random
@@ -33,19 +33,6 @@ class ThemeApiTest(
     private val themeRepository: ThemeRepositoryV2
 ) : FunSpecSpringbootTest() {
 
-    private val request: ThemeCreateRequestV2 = ThemeCreateRequestV2(
-        name = "Matilda Green",
-        description = "constituto",
-        thumbnailUrl = "https://duckduckgo.com/?q=mediocrem",
-        difficulty = Difficulty.VERY_EASY,
-        price = 10000,
-        minParticipants = 3,
-        maxParticipants = 5,
-        availableMinutes = 80,
-        expectedMinutesFrom = 60,
-        expectedMinutesTo = 70,
-        isOpen = true
-    )
 
     init {
         context("관리자가 아니면 접근할 수 없다.") {
@@ -64,7 +51,7 @@ class ThemeApiTest(
                 runTest(
                     token = token,
                     using = {
-                        body(request)
+                        body(createRequest)
                     },
                     on = {
                         post("/admin/themes")
@@ -97,7 +84,7 @@ class ThemeApiTest(
                 runTest(
                     token = token,
                     using = {
-                        body(request)
+                        body(createRequest)
                     },
                     on = {
                         patch("/admin/themes/1")
@@ -119,7 +106,7 @@ class ThemeApiTest(
 
         context("일반 회원도 접근할 수 있다.") {
             test("테마 조회: GET /v2/themes") {
-                createDummyTheme(request.copy(name = "test123", isOpen = true))
+                createDummyTheme(createRequest.copy(name = "test123", isOpen = true))
 
                 runTest(
                     token = loginUtil.loginAsUser(),
@@ -148,7 +135,7 @@ class ThemeApiTest(
                 runTest(
                     token = token,
                     using = {
-                        body(request)
+                        body(createRequest)
                     },
                     on = {
                         post(apiPath)
@@ -158,11 +145,11 @@ class ThemeApiTest(
                         body("data.id", notNullValue())
                     }
                 ).also {
-                    val createdThemeId: String = it.extract().path("data.id")
-                    val createdTheme: ThemeEntityV2 = themeRepository.findByIdOrNull(createdThemeId.toLong())
+                    val createdThemeId: Long = it.extract().path("data.id")
+                    val createdTheme: ThemeEntityV2 = themeRepository.findByIdOrNull(createdThemeId)
                         ?: throw AssertionError("Unexpected Exception Occurred.")
 
-                    createdTheme.name shouldBe request.name
+                    createdTheme.name shouldBe createRequest.name
                     createdTheme.createdAt shouldNotBeNull {}
                     createdTheme.createdBy shouldNotBeNull {}
                     createdTheme.updatedAt shouldNotBeNull {}
@@ -172,12 +159,12 @@ class ThemeApiTest(
 
             test("이미 동일한 이름의 테마가 있으면 실패한다.") {
                 val commonName = "test123"
-                createDummyTheme(request.copy(name = commonName))
+                createDummyTheme(createRequest.copy(name = commonName))
 
                 runTest(
                     token = token,
                     using = {
-                        body(request.copy(name = commonName))
+                        body(createRequest.copy(name = commonName))
                     },
                     on = {
                         post(apiPath)
@@ -193,7 +180,7 @@ class ThemeApiTest(
                 runTest(
                     token = token,
                     using = {
-                        body(request.copy(price = (MIN_PRICE - 1)))
+                        body(createRequest.copy(price = (MIN_PRICE - 1)))
                     },
                     on = {
                         post(apiPath)
@@ -215,7 +202,7 @@ class ThemeApiTest(
                     runTest(
                         token = token,
                         using = {
-                            body(request.copy(availableMinutes = (MIN_DURATION - 1).toShort()))
+                            body(createRequest.copy(availableMinutes = (MIN_DURATION - 1).toShort()))
                         },
                         on = {
                             post(apiPath)
@@ -228,7 +215,7 @@ class ThemeApiTest(
                     runTest(
                         token = token,
                         using = {
-                            body(request.copy(expectedMinutesFrom = (MIN_DURATION - 1).toShort()))
+                            body(createRequest.copy(expectedMinutesFrom = (MIN_DURATION - 1).toShort()))
                         },
                         on = {
                             post(apiPath)
@@ -241,7 +228,7 @@ class ThemeApiTest(
                     runTest(
                         token = token,
                         using = {
-                            body(request.copy(expectedMinutesTo = (MIN_DURATION - 1).toShort()))
+                            body(createRequest.copy(expectedMinutesTo = (MIN_DURATION - 1).toShort()))
                         },
                         on = {
                             post(apiPath)
@@ -256,7 +243,7 @@ class ThemeApiTest(
                     runTest(
                         token = token,
                         using = {
-                            body(request.copy(expectedMinutesFrom = 100, expectedMinutesTo = 99))
+                            body(createRequest.copy(expectedMinutesFrom = 100, expectedMinutesTo = 99))
                         },
                         on = {
                             post(apiPath)
@@ -273,7 +260,7 @@ class ThemeApiTest(
                         token = token,
                         using = {
                             body(
-                                request.copy(
+                                createRequest.copy(
                                     availableMinutes = 100,
                                     expectedMinutesFrom = 101,
                                     expectedMinutesTo = 101
@@ -301,7 +288,7 @@ class ThemeApiTest(
                     runTest(
                         token = token,
                         using = {
-                            body(request.copy(minParticipants = (MIN_PARTICIPANTS - 1).toShort()))
+                            body(createRequest.copy(minParticipants = (MIN_PARTICIPANTS - 1).toShort()))
                         },
                         on = {
                             post(apiPath)
@@ -314,7 +301,7 @@ class ThemeApiTest(
                     runTest(
                         token = token,
                         using = {
-                            body(request.copy(maxParticipants = (MIN_PARTICIPANTS - 1).toShort()))
+                            body(createRequest.copy(maxParticipants = (MIN_PARTICIPANTS - 1).toShort()))
                         },
                         on = {
                             post(apiPath)
@@ -329,7 +316,7 @@ class ThemeApiTest(
                     runTest(
                         token = token,
                         using = {
-                            body(request.copy(minParticipants = 10, maxParticipants = 9))
+                            body(createRequest.copy(minParticipants = 10, maxParticipants = 9))
                         },
                         on = {
                             post(apiPath)
@@ -345,8 +332,8 @@ class ThemeApiTest(
 
         context("모든 테마를 조회한다.") {
             beforeTest {
-                createDummyTheme(request.copy(name = "open", isOpen = true))
-                createDummyTheme(request.copy(name = "close", isOpen = false))
+                createDummyTheme(createRequest.copy(name = "open", isOpen = true))
+                createDummyTheme(createRequest.copy(name = "close", isOpen = false))
             }
 
             test("관리자 페이지에서는 비공개 테마까지 포함하여 간단한 정보만 조회된다.") {
@@ -389,7 +376,7 @@ class ThemeApiTest(
 
         context("관리자 페이지에서 특정 테마의 상세 정보를 조회한다.") {
             test("정상 응답") {
-                val createdTheme: ThemeEntityV2 = createDummyTheme(request)
+                val createdTheme: ThemeEntityV2 = createDummyTheme(createRequest)
 
                 runTest(
                     token = loginUtil.loginAsAdmin(),
@@ -398,7 +385,7 @@ class ThemeApiTest(
                     },
                     expect = {
                         statusCode(HttpStatus.OK.value())
-                        body("data.id", equalTo(createdTheme.id.toString()))
+                        body("data.id", equalTo(createdTheme.id))
                         assertProperties(
                             props = setOf(
                                 "id", "name", "description", "thumbnailUrl", "difficulty", "price", "isOpen",
@@ -427,7 +414,7 @@ class ThemeApiTest(
 
         context("테마를 삭제한다.") {
             test("정상 삭제") {
-                val createdTheme = createDummyTheme(request)
+                val createdTheme = createDummyTheme(createRequest)
 
                 runTest(
                     token = loginUtil.loginAsAdmin(),
@@ -465,7 +452,7 @@ class ThemeApiTest(
 
             beforeTest {
                 token = loginUtil.loginAsAdmin()
-                createdTheme = createDummyTheme(request.copy(name = "theme-${Random.nextInt()}"))
+                createdTheme = createDummyTheme(createRequest.copy(name = "theme-${Random.nextInt()}"))
                 apiPath = "/admin/themes/${createdTheme.id}"
             }
 
@@ -493,6 +480,26 @@ class ThemeApiTest(
                 }
             }
 
+            test("입력값이 없으면 수정하지 않는다.") {
+                runTest(
+                    token = loginUtil.loginAsAdmin(),
+                    using = {
+                        body(ThemeUpdateRequest())
+                    },
+                    on = {
+                        patch(apiPath)
+                    },
+                    expect = {
+                        statusCode(HttpStatus.OK.value())
+                    }
+                ).also {
+                    val updatedTheme = themeRepository.findByIdOrNull(createdTheme.id)!!
+
+                    updatedTheme.id shouldBe createdTheme.id
+                    updatedTheme.updatedAt shouldBe createdTheme.updatedAt
+                }
+            }
+
             test("테마가 없으면 실패한다.") {
                 runTest(
                     token = token,
@@ -665,7 +672,7 @@ class ThemeApiTest(
     }
 
     fun createDummyTheme(request: ThemeCreateRequestV2): ThemeEntityV2 {
-        val createdThemeId: String = Given {
+        val createdThemeId: Long = Given {
             contentType(MediaType.APPLICATION_JSON_VALUE)
             header("Authorization", "Bearer ${loginUtil.loginAsAdmin()}")
             body(request)
@@ -675,7 +682,7 @@ class ThemeApiTest(
             path("data.id")
         }
 
-        return themeRepository.findByIdOrNull(createdThemeId.toLong())
+        return themeRepository.findByIdOrNull(createdThemeId)
             ?: throw RuntimeException("unreachable line")
     }
 }

src/test/kotlin/roomescape/util/FixturesV2.kt

@@ -0,0 +1,51 @@
+package roomescape.util
+
+import roomescape.member.infrastructure.persistence.MemberEntity
+import roomescape.member.infrastructure.persistence.Role
+import roomescape.schedule.web.ScheduleCreateRequest
+import roomescape.theme.infrastructure.persistence.v2.Difficulty
+import roomescape.theme.web.ThemeCreateRequestV2
+import java.time.LocalDate
+import java.time.LocalTime
+
+object MemberFixtureV2 {
+    val admin: MemberEntity = MemberEntity(
+        _id = 9304,
+        name = "ADMIN",
+        email = "admin@example.com",
+        password = "adminPassword",
+        role = Role.ADMIN
+    )
+
+    val user: MemberEntity = MemberEntity(
+        _id = 9305,
+        name = "USER",
+        email = "user@example.com",
+        password = "userPassword",
+        role = Role.MEMBER
+    )
+}
+
+object ThemeFixtureV2 {
+    val createRequest: ThemeCreateRequestV2 = ThemeCreateRequestV2(
+        name = "Matilda Green",
+        description = "constituto",
+        thumbnailUrl = "https://duckduckgo.com/?q=mediocrem",
+        difficulty = Difficulty.VERY_EASY,
+        price = 10000,
+        minParticipants = 3,
+        maxParticipants = 5,
+        availableMinutes = 80,
+        expectedMinutesFrom = 60,
+        expectedMinutesTo = 70,
+        isOpen = true
+    )
+}
+
+object ScheduleFixture {
+    val createRequest: ScheduleCreateRequest = ScheduleCreateRequest(
+        date = LocalDate.now().plusDays(1),
+        time = LocalTime.now(),
+        themeId = 1L
+    )
+}

src/test/kotlin/roomescape/util/RestAssuredUtils.kt

@@ -43,11 +43,11 @@ class LoginUtil(
     }
 
     fun loginAsAdmin(): String {
-        return login(MemberFixture.admin().email, MemberFixture.admin().password, Role.ADMIN)
+        return login(MemberFixtureV2.admin.email, MemberFixtureV2.admin.password, Role.ADMIN)
     }
 
     fun loginAsUser(): String {
-        return login(MemberFixture.user().email, MemberFixture.user().password)
+        return login(MemberFixtureV2.user.email, MemberFixtureV2.user.password)
     }
 }