feat(bank-sdk): Skonto screen. Backend Integration

PP-480

bank-sdk/sdk/src/main/java/net/gini/android/bank/sdk/capture/CaptureFlowFragment.kt

@@ -15,7 +15,7 @@ import net.gini.android.bank.sdk.capture.digitalinvoice.DigitalInvoiceException
 import net.gini.android.bank.sdk.capture.digitalinvoice.DigitalInvoiceFragment
 import net.gini.android.bank.sdk.capture.digitalinvoice.DigitalInvoiceFragmentListener
 import net.gini.android.bank.sdk.capture.digitalinvoice.LineItemsValidator
-import net.gini.android.bank.sdk.capture.skonto.SkontoValidator
+import net.gini.android.bank.sdk.capture.skonto.SkontoDataExtractor
 import net.gini.android.bank.sdk.util.disallowScreenshots
 import net.gini.android.capture.CaptureSDKResult
 import net.gini.android.capture.Document
@@ -27,13 +27,14 @@ import net.gini.android.capture.camera.CameraFragmentListener
 import net.gini.android.capture.network.model.GiniCaptureCompoundExtraction
 import net.gini.android.capture.network.model.GiniCaptureSpecificExtraction
 import net.gini.android.capture.internal.util.CancelListener
+import java.math.BigDecimal
+import java.time.LocalDate
 
 class CaptureFlowFragment(private val openWithDocument: Document? = null) :
     Fragment(),
     GiniCaptureFragmentListener,
     DigitalInvoiceFragmentListener,
-    CancelListener
-{
+    CancelListener {
 
     private lateinit var navController: NavController
     private lateinit var captureFlowFragmentListener: CaptureFlowFragmentListener
@@ -50,7 +51,8 @@ class CaptureFlowFragment(private val openWithDocument: Document? = null) :
 
     override fun onGetLayoutInflater(savedInstanceState: Bundle?): LayoutInflater {
         val inflater = super.onGetLayoutInflater(savedInstanceState)
-        val contextThemeWrapper = ContextThemeWrapper(requireContext(), net.gini.android.capture.R.style.GiniCaptureTheme)
+        val contextThemeWrapper =
+            ContextThemeWrapper(requireContext(), net.gini.android.capture.R.style.GiniCaptureTheme)
         return inflater.cloneInContext(contextThemeWrapper)
     }
 
@@ -71,7 +73,8 @@ class CaptureFlowFragment(private val openWithDocument: Document? = null) :
 
 
     override fun onCreate(savedInstanceState: Bundle?) {
-        childFragmentManager.fragmentFactory = CaptureFlowFragmentFactory(this, openWithDocument, this, this)
+        childFragmentManager.fragmentFactory =
+            CaptureFlowFragmentFactory(this, openWithDocument, this, this)
         super.onCreate(savedInstanceState)
         if (GiniCapture.hasInstance() && !GiniCapture.getInstance().allowScreenshots) {
             requireActivity().window.disallowScreenshots()
@@ -128,6 +131,7 @@ class CaptureFlowFragment(private val openWithDocument: Document? = null) :
                     finishWithResult(result)
                 }
             }
+
             else -> {
                 didFinishWithResult = true
                 captureFlowFragmentListener.onFinishedWithResult(result.toCaptureResult())
@@ -138,13 +142,20 @@ class CaptureFlowFragment(private val openWithDocument: Document? = null) :
     private fun tryShowingSkontoScreen(result: CaptureSDKResult.Success) {
         if (GiniBank.getCaptureConfiguration()?.skontoEnabled == true) {
             try {
-                SkontoValidator.validate(result.compoundExtractions)
-                navController.navigate(GiniCaptureFragmentDirections.toSkontoFragment())
+                val skontoData = SkontoDataExtractor.extractSkontoData(
+                    result.specificExtractions,
+                    result.compoundExtractions
+                )
+
+                navController.navigate(
+                    GiniCaptureFragmentDirections.toSkontoFragment(data = skontoData)
+                )
             } catch (e: Exception) {
                 finishWithResult(result)
             }
         }
     }
+
     private fun tryShowingReturnAssistant(result: CaptureSDKResult.Success) {
         LineItemsValidator.validate(result.compoundExtractions)
         navController.navigate(
@@ -192,11 +203,13 @@ class CaptureFlowFragment(private val openWithDocument: Document? = null) :
         compoundExtractions: Map<String, GiniCaptureCompoundExtraction>
     ) {
         didFinishWithResult = true
-        captureFlowFragmentListener.onFinishedWithResult(CaptureResult.Success(
-            specificExtractions,
-            compoundExtractions,
-            emptyList()
-        ))
+        captureFlowFragmentListener.onFinishedWithResult(
+            CaptureResult.Success(
+                specificExtractions,
+                compoundExtractions,
+                emptyList()
+            )
+        )
     }
 
     override fun onCancelFlow() {
@@ -239,10 +252,12 @@ class CaptureFlowFragmentFactory(
                         giniCaptureFragmentListener
                     )
                 }
+
             DigitalInvoiceFragment::class.java.name -> DigitalInvoiceFragment().apply {
                 listener = digitalInvoiceListener
                 cancelListener = cancelCallback
             }
+
             else -> super.instantiate(classLoader, className)
         }
     }

bank-sdk/sdk/src/main/java/net/gini/android/bank/sdk/capture/skonto/SkontoDataExtractor.kt

@@ -0,0 +1,72 @@
+package net.gini.android.bank.sdk.capture.skonto
+
+import net.gini.android.bank.sdk.capture.skonto.model.SkontoData
+import net.gini.android.bank.sdk.capture.skonto.model.SkontoData.Amount
+import net.gini.android.bank.sdk.capture.skonto.model.SkontoData.SkontoPaymentMethod
+import net.gini.android.capture.network.model.GiniCaptureCompoundExtraction
+import net.gini.android.capture.network.model.GiniCaptureExtraction
+import net.gini.android.capture.network.model.GiniCaptureSpecificExtraction
+import java.math.BigDecimal
+import java.time.LocalDate
+
+
+internal class SkontoDataExtractor {
+
+    companion object {
+
+        fun extractSkontoData(
+            extractions: Map<String, GiniCaptureExtraction>,
+            compoundExtractions: Map<String, GiniCaptureCompoundExtraction>,
+        ): SkontoData {
+            val totalAmountToPay = extractions["amountToPay"]
+                ?: throw NoSuchElementException("Field `extractions.amountToPay` is missing")
+
+            val skontoDiscountMaps = compoundExtractions["skontoDiscounts"]?.specificExtractionMaps
+                ?: throw NoSuchElementException("Field `compoundExtractions.skontoDiscounts` is missing")
+
+            return skontoDiscountMaps.map { skontoDiscountData ->
+                val skontoPercentageDiscounted = skontoDiscountData.extractDataByKeys(
+                    "skontoPercentageDiscounted",
+                    "skontoPercentageDiscountedCalculated",
+                ) ?: throw NoSuchElementException("Data for `PercentageDiscounted` is missing")
+
+                val skontoPaymentMethod =
+                    skontoDiscountData.extractDataByKeys("skontoPaymentMethod")
+
+
+                val skontoAmountToPay = skontoDiscountData.extractDataByKeys(
+                    "skontoAmountToPay",
+                    "skontoAmountToPayCalculated"
+                ) ?: throw NoSuchElementException("Skonto data for `AmountToPay` is missing")
+
+                val skontoRemainingDays = skontoDiscountData.extractDataByKeys(
+                    "skontoRemainingDays",
+                    "skontoRemainingDaysCalculated"
+                ) ?: throw NoSuchElementException("Skonto data for `RemainingDays` is missing")
+
+                val skontoDueDate = skontoDiscountData.extractDataByKeys(
+                    "skontoDueDate",
+                    "skontoDueDateCalculated"
+                ) ?: throw NoSuchElementException("Skonto data for `DueDate` is missing")
+
+                val skontoAmountDiscounted = skontoDiscountData.extractDataByKeys(
+                    "skontoAmountDiscounted",
+                    "skontoAmountDiscountedCalculated"
+                )
+
+                SkontoData(
+                    skontoPercentageDiscounted = BigDecimal(skontoPercentageDiscounted.value),
+                    skontoAmountToPay = Amount.parse(skontoAmountToPay.value),
+                    fullAmountToPay = Amount.parse(totalAmountToPay.value),
+                    skontoRemainingDays = skontoRemainingDays.value.toInt(),
+                    skontoDueDate = skontoDueDate.value.let(LocalDate::parse),
+                    skontoPaymentMethod = skontoPaymentMethod?.let { SkontoPaymentMethod.valueOf(it.value) }
+                )
+            }.first()
+        }
+    }
+}
+
+fun Map<String, GiniCaptureSpecificExtraction>.extractDataByKeys(vararg keys: String) =
+    keys.firstNotNullOfOrNull { this[it] }
+