Flexa optimization (#1661)

* Flexa optimization

* Code cleanup

* Code cleanup

ui-lib/src/main/java/co/electriccoin/zcash/ui/common/repository/FlexaRepository.kt

@@ -32,6 +32,8 @@ class FlexaRepositoryImpl(
         get() = BuildConfig.ZCASH_FLEXA_KEY.takeIf { it.isNotEmpty() }
 
     override fun init() {
+        if (publishableKey == null) return
+
         scope.launch {
             val configuration = getFlexaClientConfiguration()
             if (configuration != null) {
@@ -102,6 +104,7 @@ class FlexaRepositoryImpl(
                         assetId = "bip122:00040fe8ec8471911baa1db1266ea15d/slip44:133",
                         balance = zecBalance,
                         symbol = "ZEC",
+                        icon = "https://cryptologos.cc/logos/zcash-zec-logo.png"
                     )
                 ),
             custodyModel = CustodyModel.LOCAL,

ui-lib/src/main/java/co/electriccoin/zcash/ui/common/viewmodel/WalletViewModel.kt

@@ -20,6 +20,7 @@ import cash.z.ecc.sdk.type.fromResources
 import co.electriccoin.zcash.preference.EncryptedPreferenceProvider
 import co.electriccoin.zcash.preference.StandardPreferenceProvider
 import co.electriccoin.zcash.spackle.Twig
+import co.electriccoin.zcash.ui.BuildConfig
 import co.electriccoin.zcash.ui.MainActivity
 import co.electriccoin.zcash.ui.common.model.OnboardingState
 import co.electriccoin.zcash.ui.common.model.WalletRestoringState
@@ -276,7 +277,7 @@ class WalletViewModel(
 
     private suspend fun disconnectFlexa() =
         suspendCoroutine { cont ->
-            if (isFlexaAvailable()) {
+            if (isFlexaAvailable() && BuildConfig.ZCASH_FLEXA_KEY.isNotEmpty()) {
                 Flexa.buildIdentity().build().disconnect()
                 cont.resume(Unit)
             } else {

ui-lib/src/main/java/co/electriccoin/zcash/ui/screen/integrations/AndroidIntegrations.kt

@@ -1,6 +1,7 @@
 package co.electriccoin.zcash.ui.screen.integrations
 
 import android.net.Uri
+import android.widget.Toast
 import androidx.activity.compose.BackHandler
 import androidx.browser.customtabs.CustomTabsIntent
 import androidx.compose.runtime.Composable
@@ -8,6 +9,7 @@ import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import co.electriccoin.zcash.di.koinActivityViewModel
+import co.electriccoin.zcash.ui.R
 import co.electriccoin.zcash.ui.common.compose.LocalActivity
 import co.electriccoin.zcash.ui.common.compose.LocalNavController
 import co.electriccoin.zcash.ui.common.viewmodel.WalletViewModel
@@ -55,6 +57,12 @@ internal fun WrapIntegrations() {
         }
     }
 
+    LaunchedEffect(Unit) {
+        viewModel.showFlexaErrorToastCommand.collect {
+            Toast.makeText(activity, R.string.integrations_flexa_key_missing, Toast.LENGTH_LONG).show()
+        }
+    }
+
     BackHandler {
         viewModel.onBack()
     }

ui-lib/src/main/java/co/electriccoin/zcash/ui/screen/integrations/viewmodel/IntegrationsViewModel.kt

@@ -59,6 +59,7 @@ class IntegrationsViewModel(
     val backNavigationCommand = MutableSharedFlow<Unit>()
     val flexaNavigationCommand = MutableSharedFlow<Unit>()
     val coinbaseNavigationCommand = MutableSharedFlow<String>()
+    val showFlexaErrorToastCommand = MutableSharedFlow<Unit>()
 
     private val versionInfo = getVersionInfo()
     private val isDebug = versionInfo.let { it.isDebuggable && !it.isRunningUnderTestService }
@@ -143,7 +144,11 @@ class IntegrationsViewModel(
 
     private fun onFlexaClicked() =
         viewModelScope.launch {
-            flexaNavigationCommand.emit(Unit)
+            if (BuildConfig.ZCASH_FLEXA_KEY.isEmpty()) {
+                showFlexaErrorToastCommand.emit(Unit)
+            } else {
+                flexaNavigationCommand.emit(Unit)
+            }
         }
 
     fun onFlexaResultCallback(transaction: Result<Transaction>) =

ui-lib/src/main/res/ui/integrations/values/strings.xml

@@ -7,4 +7,5 @@
     <string name="integrations_version">Version <xliff:g id="version" example="1.2.1">%1$s</xliff:g></string>
     <string name="integrations_disabled_info">During the Restore process, it is not possible to use payment integrations.</string>
     <string name="integrations_biometric_message">Authenticate yourself to pay with Flexa</string>
+    <string name="integrations_flexa_key_missing">Flexa key missing</string>
 </resources>