fix: Add payment mode (#1860)

Details:
- Use constant string for payment mode
- Add payment mode for offline payment + place order with PLACED status

Fixes: #1858

app/src/main/java/org/fossasia/openevent/general/attendees/AttendeeFragment.kt

@@ -625,10 +625,6 @@ class AttendeeFragment : Fragment() {
                 rootView.attendeeScrollView.longSnackbar(getString(R.string.paypal_payment_not_available))
                 false
             }
-            getString(R.string.cheque), getString(R.string.on_site), getString(R.string.bank_transfer) -> {
-                rootView.attendeeScrollView.longSnackbar(getString(R.string.offline_payment_message))
-                false
-            }
             else -> true
         }
 
@@ -684,8 +680,9 @@ class AttendeeFragment : Fragment() {
 
                 if (attendeeViewModel.areAttendeeEmailsValid(attendees)) {
                     val country = rootView.countryPicker.selectedItem.toString()
-                    val paymentOption = if (totalAmount != 0F) rootView.paymentSelector.selectedItem.toString()
-                                        else getString(R.string.free)
+                    val paymentOption =
+                        if (totalAmount != 0F) getPaymentMode(rootView.paymentSelector.selectedItem.toString())
+                        else PAYMENT_MODE_FREE
                     val company = rootView.company.text.toString()
                     val city = rootView.city.text.toString()
                     val taxId = rootView.taxId.text.toString()
@@ -726,6 +723,16 @@ class AttendeeFragment : Fragment() {
             })
     }
 
+    private fun getPaymentMode(paymentSelectedItem: String): String =
+        when (paymentSelectedItem) {
+            getString(R.string.cheque) -> PAYMENT_MODE_CHEQUE
+            getString(R.string.bank_transfer) -> PAYMENT_MODE_BANK
+            getString(R.string.stripe) -> PAYMENT_MODE_STRIPE
+            getString(R.string.paypal) -> PAYMENT_MODE_PAYPAL
+            getString(R.string.on_site) -> PAYMENT_MODE_ONSITE
+            else -> PAYMENT_MODE_FREE
+        }
+
     private fun showTicketSoldOutDialog(show: Boolean) {
         if (show) {
             val builder = AlertDialog.Builder(requireContext())

app/src/main/java/org/fossasia/openevent/general/attendees/AttendeeViewModel.kt

@@ -31,6 +31,12 @@ const val ORDER_STATUS_PENDING = "pending"
 const val ORDER_STATUS_COMPLETED = "completed"
 const val ORDER_STATUS_PLACED = "placed"
 const val ORDER_STATUS_CANCELLED = "cancelled"
+const val PAYMENT_MODE_FREE = "free"
+const val PAYMENT_MODE_BANK = "bank"
+const val PAYMENT_MODE_ONSITE = "onsite"
+const val PAYMENT_MODE_CHEQUE = "cheque"
+const val PAYMENT_MODE_PAYPAL = "paypal"
+const val PAYMENT_MODE_STRIPE = "stripe"
 
 class AttendeeViewModel(
     private val attendeeService: AttendeeService,
@@ -67,7 +73,7 @@ class AttendeeViewModel(
     val attendees = ArrayList<Attendee>()
     private val attendeesForOrder = ArrayList<Attendee>()
     private val ticketsForOrder = ArrayList<Ticket>()
-    private lateinit var paymentOption: String
+    private var paymentModeForOrder: String = PAYMENT_MODE_FREE
     private var countryForOrder: String = ""
     private var companyForOrder: String = ""
     private var taxIdForOrder: String = ""
@@ -158,7 +164,7 @@ class AttendeeViewModel(
         address: String,
         city: String,
         postalCode: String,
-        paymentOption: String
+        paymentMode: String
     ) {
         attendeesForOrder.clear()
         countryForOrder = country ?: ""
@@ -167,7 +173,7 @@ class AttendeeViewModel(
         addressForOrder = address
         cityForOrder = city
         postalCodeForOrder = postalCode
-        this.paymentOption = paymentOption
+        paymentModeForOrder = paymentMode
         var isAllDetailsFilled = true
         createAttendeeIterations = 0
         attendees.forEach {
@@ -214,14 +220,13 @@ class AttendeeViewModel(
     private fun createOrder() {
         val attendeeList = attendeesForOrder.map { AttendeeId(it.id) }.toList()
         val amount: Float = totalAmount.value ?: 0F
-        var paymentMode: String? = paymentOption.toLowerCase()
         if (amount <= 0) {
-            paymentMode = resource.getString(R.string.free)
+            paymentModeForOrder = PAYMENT_MODE_FREE
         }
         val eventId = event.value?.id
         if (eventId != null) {
-            var order = Order(id = getId(), paymentMode = paymentMode, status = ORDER_STATUS_PENDING, amount = amount,
-                attendees = attendeeList, event = EventId(eventId))
+            var order = Order(id = getId(), paymentMode = paymentModeForOrder, status = ORDER_STATUS_PENDING,
+                amount = amount, attendees = attendeeList, event = EventId(eventId))
             if (billingEnabled) {
                 order = order.copy(isBillingEnabled = true, company = companyForOrder, taxBusinessInfo = taxIdForOrder,
                 address = addressForOrder, city = cityForOrder, zipcode = postalCodeForOrder, country = countryForOrder)
@@ -235,10 +240,17 @@ class AttendeeViewModel(
                 }.subscribe({
                     orderIdentifier = it.identifier.toString()
                     Timber.d("Success placing order!")
-                    if (it.paymentMode == resource.getString(R.string.free)) {
-                        confirmOrder = ConfirmOrder(it.id.toString(), ORDER_STATUS_COMPLETED)
-                        confirmOrderStatus(it.identifier.toString(), confirmOrder)
-                    } else mutableMessage.value = resource.getString(R.string.order_success_message)
+                    when (it.paymentMode) {
+                        PAYMENT_MODE_FREE -> {
+                            confirmOrder = ConfirmOrder(it.id.toString(), ORDER_STATUS_COMPLETED)
+                            confirmOrderStatus(it.identifier.toString(), confirmOrder)
+                        }
+                        PAYMENT_MODE_CHEQUE, PAYMENT_MODE_BANK, PAYMENT_MODE_ONSITE -> {
+                            confirmOrder = ConfirmOrder(it.id.toString(), ORDER_STATUS_PLACED)
+                            confirmOrderStatus(it.identifier.toString(), confirmOrder)
+                        }
+                        else -> mutableMessage.value = resource.getString(R.string.order_success_message)
+                    }
                 }, {
                     mutableMessage.value = resource.getString(R.string.order_fail_message)
                     Timber.d(it, "Failed creating Order")