Expose payment gateway metadata

src/main/kotlin/com/android/trisolarisserver/controller/Payments.kt

@@ -107,6 +107,14 @@ private fun Payment.toResponse(): PaymentResponse {
         amount = amount,
         currency = currency,
         method = method.name,
+        gatewayPaymentId = gatewayPaymentId,
+        gatewayTxnId = gatewayTxnId,
+        bankRefNum = bankRefNum,
+        mode = mode,
+        pgType = pgType,
+        payerVpa = payerVpa,
+        payerName = payerName,
+        paymentSource = paymentSource,
         reference = reference,
         notes = notes,
         receivedAt = receivedAt.toString(),

src/main/kotlin/com/android/trisolarisserver/controller/dto/PaymentDtos.kt

@@ -17,6 +17,14 @@ data class PaymentResponse(
     val amount: Long,
     val currency: String,
     val method: String,
+    val gatewayPaymentId: String?,
+    val gatewayTxnId: String?,
+    val bankRefNum: String?,
+    val mode: String?,
+    val pgType: String?,
+    val payerVpa: String?,
+    val payerName: String?,
+    val paymentSource: String?,
     val reference: String?,
     val notes: String?,
     val receivedAt: String,