feat: 모든 결제 처리에 사용할 공통 Payment 도메인 추가

tosspay-mock/src/main/kotlin/com/sangdol/tosspaymock/business/domain/Payment.kt

@@ -0,0 +1,179 @@
+package com.sangdol.tosspaymock.business.domain
+
+import com.sangdol.tosspaymock.business.domain.cancel.Cancellation
+import com.sangdol.tosspaymock.business.domain.card.Card
+import com.sangdol.tosspaymock.business.domain.easypay.Easypay
+import com.sangdol.tosspaymock.business.domain.transfer.BankTransfer
+import java.time.OffsetDateTime
+
+class Payment(
+    val mid: String,
+    val lastTransactionKey: String,
+    val paymentKey: String,
+    val orderId: String,
+    val orderName: String,
+    val taxExemptionAmount: Int = 0,
+    var status: PaymentStatus = PaymentStatus.DONE,
+    val requestedAt: OffsetDateTime,
+    val approvedAt: OffsetDateTime,
+    val useEscrow: Boolean = false,
+    val cultureExpense: Boolean = false,
+    val card: Card? = null,
+    val virtualAccount: String? = null,
+    val transfer: BankTransfer? = null,
+    val mobilePhone: String? = null,
+    val giftCertificate: String? = null,
+    val cashReceipt: String? = null,
+    val cashReceipts: String? = null,
+    val discount: String? = null,
+    var cancels: Cancellation? = null,
+    val secret: String? = null,
+    val type: PaymentType = PaymentType.NORMAL,
+    val easyPay: Easypay? = null,
+    val country: String = "KR",
+    val failure: String? = null,
+    val isPartialCancelable: Boolean = true,
+    val receipt: String? = null,
+    val checkout: String? = null,
+    val currency: String = "KRW",
+    val totalAmount: Int,
+    val balanceAmount: Int,
+    val suppliedAmount: Int,
+    val vat: Int,
+    val taxFreeAmount: Int = 0,
+    val method: PaymentMethod,
+    val version: String = "2022-11-16",
+    val metadata: String? = null
+) {
+    companion object  {
+        fun randomWithCard(
+            paymentKey: String,
+            orderId: String,
+            amount: Int,
+            requestedAt: OffsetDateTime
+        ): Payment {
+            val card = Card.random(amount)
+
+            return create(
+                paymentKey = paymentKey,
+                orderId = orderId,
+                requestedAt = requestedAt,
+                amount = amount,
+                card = card,
+                easyPay = null,
+                bankTransfer = null
+            )
+        }
+
+        fun randomWithEasypayCard(
+            paymentKey: String,
+            orderId: String,
+            amount: Int,
+            requestedAt: OffsetDateTime
+        ): Payment {
+            val easyPay = Easypay.randomWithCard(amount)
+            val card = Card.random(approvedAmount = (amount - easyPay.discountAmount))
+
+            return create(
+                paymentKey = paymentKey,
+                orderId = orderId,
+                requestedAt = requestedAt,
+                amount = amount,
+                card = card,
+                easyPay = easyPay,
+                bankTransfer = null
+            )
+        }
+
+        fun randomWithEasypayPrepaid(
+            paymentKey: String,
+            orderId: String,
+            amount: Int,
+            requestedAt: OffsetDateTime
+        ): Payment {
+            val easypay = Easypay.randomWithPrepaid(amount)
+
+            return create(
+                paymentKey = paymentKey,
+                orderId = orderId,
+                requestedAt = requestedAt,
+                amount = amount,
+                card = null,
+                easyPay = easypay,
+                bankTransfer = null
+            )
+        }
+
+        fun randomWithBankTransfer(
+            paymentKey: String,
+            orderId: String,
+            amount: Int,
+            requestedAt: OffsetDateTime
+        ): Payment {
+            val bankTransfer = BankTransfer.random()
+
+            return create(
+                paymentKey = paymentKey,
+                orderId = orderId,
+                requestedAt = requestedAt,
+                amount = amount,
+                card = null,
+                easyPay = null,
+                bankTransfer = bankTransfer
+            )
+        }
+
+        fun randomForCancellation(paymentKey: String, cancellation: Cancellation): Payment {
+            return create(
+                paymentKey = paymentKey,
+                orderId = "orderId",
+                requestedAt = OffsetDateTime.now(),
+                amount = cancellation.cancelAmount,
+                card = null,
+                easyPay = null,
+                bankTransfer = null
+            ).apply {
+                this.status = PaymentStatus.CANCELED
+                this.cancels = cancellation
+            }
+        }
+
+        private fun create(
+            paymentKey: String,
+            orderId: String,
+            requestedAt: OffsetDateTime,
+            amount: Int,
+            card: Card?,
+            easyPay: Easypay?,
+            bankTransfer: BankTransfer?
+        ): Payment {
+            val vat = (amount * 0.1).toInt()
+            val suppliedAmount = amount - vat
+            val paymentMethod = if (bankTransfer != null) {
+                PaymentMethod.TRANSFER
+            } else if (easyPay != null) {
+                PaymentMethod.EASY_PAY
+            } else {
+                PaymentMethod.CARD
+            }
+
+            return Payment(
+                mid = RandomPaymentValueGenerator.mId(),
+                lastTransactionKey = RandomPaymentValueGenerator.transactionKey(),
+                paymentKey = paymentKey,
+                orderId = orderId,
+                orderName = "테스트 결제",
+                requestedAt = requestedAt,
+                approvedAt = OffsetDateTime.now(),
+                card = card,
+                easyPay = easyPay,
+                transfer = bankTransfer,
+                totalAmount = amount,
+                balanceAmount = amount,
+                suppliedAmount = suppliedAmount,
+                vat = vat,
+                method = paymentMethod,
+            )
+        }
+    }
+}