Add rate plans, room stay rates, and payments ledger

src/main/kotlin/com/android/trisolarisserver/models/booking/Guest.kt

@@ -4,7 +4,7 @@ import com.android.trisolarisserver.models.property.Property
 import jakarta.persistence.*
 import java.time.OffsetDateTime
 import java.util.UUID
-
+//TODO:store signature image of guest
 @Entity
 @Table(
     name = "guest",

src/main/kotlin/com/android/trisolarisserver/models/booking/Payment.kt

@@ -0,0 +1,47 @@
+package com.android.trisolarisserver.models.booking
+
+import com.android.trisolarisserver.models.property.AppUser
+import com.android.trisolarisserver.models.property.Property
+import jakarta.persistence.*
+import java.time.OffsetDateTime
+import java.util.UUID
+
+@Entity
+@Table(name = "payment")
+class Payment(
+    @Id
+    @GeneratedValue
+    @Column(columnDefinition = "uuid")
+    val id: UUID? = null,
+
+    @ManyToOne(fetch = FetchType.LAZY, optional = false)
+    @JoinColumn(name = "property_id", nullable = false)
+    var property: Property,
+
+    @ManyToOne(fetch = FetchType.LAZY, optional = false)
+    @JoinColumn(name = "booking_id", nullable = false)
+    var booking: Booking,
+
+    @Column(name = "amount", nullable = false)
+    var amount: Long,
+
+    @Column(name = "currency", nullable = false)
+    var currency: String,
+
+    @Enumerated(EnumType.STRING)
+    @Column(name = "method", nullable = false)
+    var method: PaymentMethod,
+
+    @Column(name = "reference")
+    var reference: String? = null,
+
+    @Column(name = "notes")
+    var notes: String? = null,
+
+    @Column(name = "received_at", nullable = false, columnDefinition = "timestamptz")
+    var receivedAt: OffsetDateTime = OffsetDateTime.now(),
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "received_by")
+    var receivedBy: AppUser? = null
+)

src/main/kotlin/com/android/trisolarisserver/models/booking/PaymentMethod.kt

@@ -0,0 +1,9 @@
+package com.android.trisolarisserver.models.booking
+
+enum class PaymentMethod {
+    CASH,
+    CARD,
+    UPI,
+    BANK,
+    ONLINE
+}