feat: 일정과 테마 정보를 담고 있는 도메인 객체 생성

src/main/kotlin/roomescape/schedule/business/domain/ScheduleWithThemeSummary.kt

@@ -0,0 +1,28 @@
+package roomescape.schedule.business.domain
+
+import roomescape.schedule.infrastructure.persistence.ScheduleStatus
+import roomescape.theme.infrastructure.persistence.Difficulty
+import java.time.LocalDate
+import java.time.LocalTime
+
+class ScheduleWithThemeSummary(
+    val id: Long,
+    val date: LocalDate,
+    val time: LocalTime,
+    val themeId: Long,
+    val themeName: String,
+    val themeDifficulty: Difficulty,
+    val themeAvailableMinutes: Short,
+    val status: ScheduleStatus
+) {
+    fun getEndAt(): LocalTime {
+        return time.plusMinutes(themeAvailableMinutes.toLong())
+    }
+
+    fun containsTime(targetTime: LocalTime): Boolean {
+        val startFrom = this.time
+        val endAt = getEndAt()
+
+        return targetTime >= startFrom && targetTime < endAt
+    }
+}