fix razorpay qr credit log

app/src/main/java/com/android/trisolarispms/ui/razorpay/RazorpayQrScreen.kt

@@ -73,10 +73,19 @@ fun RazorpayQrScreen(
     LaunchedEffect(propertyId, bookingId) {
         viewModel.loadQrList(propertyId, bookingId)
     }
+    LaunchedEffect(state.isCredited) {
+        if (state.isCredited) {
+            onBack()
+        }
+    }
 
     val isViewingQr = state.isClosed || !state.imageUrl.isNullOrBlank()
-    BackHandler(enabled = isViewingQr) {
+    val exitAndRefresh: () -> Unit = {
         viewModel.exitQrView()
+        viewModel.loadQrList(propertyId, bookingId)
+    }
+    BackHandler(enabled = isViewingQr) {
+        exitAndRefresh()
     }
 
     Scaffold(
@@ -86,7 +95,7 @@ fun RazorpayQrScreen(
                 navigationIcon = {
                     IconButton(onClick = {
                         if (isViewingQr) {
-                            viewModel.exitQrView()
+                            exitAndRefresh()
                         } else {
                             onBack()
                         }
@@ -98,7 +107,20 @@ fun RazorpayQrScreen(
             )
         }
     ) { padding ->
-        if (state.isClosed) {
+        if (state.isCredited) {
+            Box(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .padding(padding),
+                contentAlignment = Alignment.Center
+            ) {
+                Text(
+                    text = "Payment received",
+                    style = MaterialTheme.typography.titleMedium,
+                    color = MaterialTheme.colorScheme.primary
+                )
+            }
+        } else if (state.isClosed) {
             Box(
                 modifier = Modifier
                     .fillMaxSize()

app/src/main/java/com/android/trisolarispms/ui/razorpay/RazorpayQrState.kt

@@ -10,6 +10,7 @@ data class RazorpayQrState(
     val currency: String? = null,
     val imageUrl: String? = null,
     val isClosed: Boolean = false,
+    val isCredited: Boolean = false,
     val paymentLink: String? = null,
     val qrList: List<com.android.trisolarispms.data.api.model.RazorpayQrListItemDto> = emptyList()
 )

app/src/main/java/com/android/trisolarispms/ui/razorpay/RazorpayQrViewModel.kt

@@ -37,12 +37,14 @@ class RazorpayQrViewModel : ViewModel() {
     }
 
     fun exitQrView() {
+        stopQrEventStream()
         stopQrEventPolling()
         _state.update {
             it.copy(
                 qrId = null,
                 imageUrl = null,
                 isClosed = false,
+                isCredited = false,
                 error = null
             )
         }
@@ -121,6 +123,7 @@ class RazorpayQrViewModel : ViewModel() {
         if (qrId.isNullOrBlank()) return
         if (lastQrId == qrId && qrEventSource != null) return
         stopQrEventStream()
+        stopQrEventPolling()
         lastQrId = qrId
         val client = ApiClient.createOkHttpClient(readTimeoutSeconds = 0)
         val url = "${ApiConstants.BASE_URL}properties/$propertyId/bookings/$bookingId/payments/razorpay/qr/$qrId/events/stream"
@@ -138,10 +141,17 @@ class RazorpayQrViewModel : ViewModel() {
                     val event = runCatching {
                         gson.fromJson(data, RazorpayQrEventDto::class.java)
                     }.getOrNull() ?: return
-                    if (isClosedStatus(event.status)) {
+                    val status = event.status?.lowercase()
-                        _state.update { it.copy(isClosed = true, imageUrl = null) }
+                    val eventName = event.event?.lowercase()
+                    if (eventName == "qr_code.credited" || status == "credited") {
+                        _state.update { it.copy(isCredited = true, imageUrl = null) }
                         stopQrEventStream()
                         stopQrEventPolling()
+                        return
+                    }
+                    if (isClosedStatus(status)) {
+                        _state.update { it.copy(isClosed = true, imageUrl = null) }
+                        stopQrEventStream()
                     }
                 }
 
@@ -151,13 +161,16 @@ class RazorpayQrViewModel : ViewModel() {
                     response: okhttp3.Response?
                 ) {
                     stopQrEventStream()
+                    startQrEventPolling(propertyId, bookingId, qrId)
                 }
 
                 override fun onClosed(eventSource: EventSource) {
                     stopQrEventStream()
+                    startQrEventPolling(propertyId, bookingId, qrId)
                 }
             }
         )
+        // Keep polling as a fallback in case SSE is buffered or never delivers events.
         startQrEventPolling(propertyId, bookingId, qrId)
     }
 
@@ -170,6 +183,7 @@ class RazorpayQrViewModel : ViewModel() {
     private fun startQrEventPolling(propertyId: String, bookingId: String, qrId: String) {
         if (qrPollJob?.isActive == true) return
         qrPollJob = viewModelScope.launch {
+            var delayMs = 4000L
             while (true) {
                 val currentQrId = state.value.qrId
                 if (currentQrId.isNullOrBlank() || currentQrId != qrId || state.value.isClosed) {
@@ -183,16 +197,22 @@ class RazorpayQrViewModel : ViewModel() {
                     )
                     val body = response.body()
                     if (response.isSuccessful && body != null) {
+                        if (body.any { it.event?.lowercase() == "qr_code.credited" || it.status?.lowercase() == "credited" }) {
+                            _state.update { it.copy(isCredited = true, imageUrl = null) }
+                            stopQrEventStream()
+                            break
+                        }
                         if (body.any { isClosedStatus(it.status) }) {
                             _state.update { it.copy(isClosed = true, imageUrl = null) }
                             stopQrEventStream()
                             break
                         }
                     }
-                } catch (_: Exception) {
+                    delayMs = 4000L
-                    // ignore polling errors
+                } catch (e: Exception) {
+                    delayMs = (delayMs * 1.5).toLong().coerceAtMost(15000L)
                 }
-                delay(5000)
+                delay(delayMs)
             }
         }
     }
@@ -258,6 +278,7 @@ class RazorpayQrViewModel : ViewModel() {
                 currency = item.currency,
                 imageUrl = item.imageUrl,
                 isClosed = status == "closed" || status == "expired" || status == "credited",
+                isCredited = status == "credited",
                 error = null
             )
         }