[SS-54] Add dialog to allow local deletion if network deletion fails (#1526)

* WIP

* Push before attempting some HTTPRequestFailedException rate limiting

* Functionality now works

* Merging dev resulted in some subproject commit change so pushing that

* Fixes #1525

* Addressed Andy PR feedback

* Addressed further PR feedback from Andy

---------

Co-authored-by: alansley <aclansley@gmail.com>

app/src/main/java/org/thoughtcrime/securesms/ApplicationContext.java

@@ -501,7 +501,14 @@ public class ApplicationContext extends Application implements DefaultLifecycleO
         });
     }
 
-    public void clearAllData(boolean isMigratingToV2KeyPair) {
+    // Method to clear the local data - returns true on success otherwise false
+
+    /**
+     * Clear all local profile data and message history then restart the app after a brief delay.
+     * @param isMigratingToV2KeyPair whether we're upgrading to a more recent V2 key pair or not.
+     * @return true on success, false otherwise.
+     */
+    public boolean clearAllData(boolean isMigratingToV2KeyPair) {
         if (firebaseInstanceIdJob != null && firebaseInstanceIdJob.isActive()) {
             firebaseInstanceIdJob.cancel(null);
         }
@@ -515,9 +522,11 @@ public class ApplicationContext extends Application implements DefaultLifecycleO
         getSharedPreferences(PREFERENCES_NAME, 0).edit().clear().commit();
         if (!deleteDatabase(SQLCipherOpenHelper.DATABASE_NAME)) {
             Log.d("Loki", "Failed to delete database.");
+            return false;
         }
         configFactory.keyPairChanged();
         Util.runOnMain(() -> new Handler().postDelayed(ApplicationContext.this::restartApplication, 200));
+        return true;
     }
 
     public void restartApplication() {

app/src/main/java/org/thoughtcrime/securesms/preferences/ClearAllDataDialog.kt

@@ -4,12 +4,13 @@ import android.app.Dialog
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
-import androidx.core.view.isGone
+import android.widget.Toast
 import androidx.core.view.isVisible
 import androidx.fragment.app.DialogFragment
 import androidx.lifecycle.lifecycleScope
 import androidx.recyclerview.widget.DividerItemDecoration
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Dispatchers.Main
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
@@ -24,17 +25,26 @@ import org.thoughtcrime.securesms.dependencies.DatabaseComponent
 import org.thoughtcrime.securesms.util.ConfigurationMessageUtilities
 
 class ClearAllDataDialog : DialogFragment() {
+    private val TAG = "ClearAllDataDialog"
+
     private lateinit var binding: DialogClearAllDataBinding
 
-    enum class Steps {
+    private enum class Steps {
         INFO_PROMPT,
         NETWORK_PROMPT,
-        DELETING
+        DELETING,
+        RETRY_LOCAL_DELETE_ONLY_PROMPT
     }
 
-    var clearJob: Job? = null
+    // Rather than passing a bool around we'll use an enum to clarify our intent
+    private enum class DeletionScope {
+        DeleteLocalDataOnly,
+        DeleteBothLocalAndNetworkData
+    }
 
-    var step = Steps.INFO_PROMPT
+    private var clearJob: Job? = null
+
+    private var step = Steps.INFO_PROMPT
         set(value) {
             field = value
             updateUI()
@@ -46,8 +56,8 @@ class ClearAllDataDialog : DialogFragment() {
 
     private fun createView(): View {
         binding = DialogClearAllDataBinding.inflate(LayoutInflater.from(requireContext()))
-        val device = radioOption("deviceOnly", R.string.dialog_clear_all_data_clear_device_only)
-        val network = radioOption("deviceAndNetwork", R.string.dialog_clear_all_data_clear_device_and_network)
+        val device = radioOption("deviceOnly", R.string.clearDeviceOnly)
+        val network = radioOption("deviceAndNetwork", R.string.clearDeviceAndNetwork)
         var selectedOption: RadioOption<String> = device
         val optionAdapter = RadioOptionAdapter { selectedOption = it }
         binding.recyclerView.apply {
@@ -57,18 +67,21 @@ class ClearAllDataDialog : DialogFragment() {
             setHasFixedSize(true)
         }
         optionAdapter.submitList(listOf(device, network))
+
         binding.cancelButton.setOnClickListener {
             dismiss()
         }
+
         binding.clearAllDataButton.setOnClickListener {
             when (step) {
                 Steps.INFO_PROMPT -> if (selectedOption == network) {
                     step = Steps.NETWORK_PROMPT
                 } else {
-                    clearAllData(false)
+                    clearAllData(DeletionScope.DeleteLocalDataOnly)
                 }
-                Steps.NETWORK_PROMPT -> clearAllData(true)
+                Steps.NETWORK_PROMPT -> clearAllData(DeletionScope.DeleteBothLocalAndNetworkData)
                 Steps.DELETING -> { /* do nothing intentionally */ }
+                Steps.RETRY_LOCAL_DELETE_ONLY_PROMPT -> clearAllData(DeletionScope.DeleteLocalDataOnly)
             }
         }
         return binding.root
@@ -86,8 +99,13 @@ class ClearAllDataDialog : DialogFragment() {
                     binding.dialogDescriptionText.setText(R.string.dialog_clear_all_data_clear_device_and_network_confirmation)
                 }
                 Steps.DELETING -> { /* do nothing intentionally */ }
+                Steps.RETRY_LOCAL_DELETE_ONLY_PROMPT -> {
+                    binding.dialogDescriptionText.setText(R.string.clearDataErrorDescriptionGeneric)
+                    binding.clearAllDataButton.text = getString(R.string.clearDevice)
                 }
-            binding.recyclerView.isGone = step == Steps.NETWORK_PROMPT
+            }
+
+            binding.recyclerView.isVisible = step == Steps.INFO_PROMPT
             binding.cancelButton.isVisible = !isLoading
             binding.clearAllDataButton.isVisible = !isLoading
             binding.progressBar.isVisible = isLoading
@@ -97,45 +115,55 @@ class ClearAllDataDialog : DialogFragment() {
         }
     }
 
-    private fun clearAllData(deleteNetworkMessages: Boolean) {
-        clearJob = lifecycleScope.launch(Dispatchers.IO) {
-            val previousStep = step
-            withContext(Dispatchers.Main) {
-                step = Steps.DELETING
-            }
-
-            if (!deleteNetworkMessages) {
+    private suspend fun performDeleteLocalDataOnlyStep() {
         try {
             ConfigurationMessageUtilities.forceSyncConfigurationNowIfNeeded(requireContext()).get()
         } catch (e: Exception) {
-                    Log.e("Loki", "Failed to force sync", e)
+            Log.e(TAG, "Failed to force sync when deleting data", e)
+            withContext(Main) {
+                Toast.makeText(ApplicationContext.getInstance(requireContext()), R.string.errorUnknown, Toast.LENGTH_LONG).show()
             }
-                ApplicationContext.getInstance(context).clearAllData(false)
-                withContext(Dispatchers.Main) {
+            return
+        }
+        ApplicationContext.getInstance(context).clearAllData(false).let { success ->
+            withContext(Main) {
+                if (success) {
                     dismiss()
-                }
                 } else {
-                // finish
-                val result = try {
+                    Toast.makeText(ApplicationContext.getInstance(requireContext()), R.string.errorUnknown, Toast.LENGTH_LONG).show()
+                }
+            }
+        }
+    }
+
+    private fun clearAllData(deletionScope: DeletionScope) {
+        step = Steps.DELETING
+
+        clearJob = lifecycleScope.launch(Dispatchers.IO) {
+            when (deletionScope) {
+                DeletionScope.DeleteLocalDataOnly -> {
+                    performDeleteLocalDataOnlyStep()
+                }
+                DeletionScope.DeleteBothLocalAndNetworkData -> {
+                    val deletionResultMap: Map<String, Boolean>? = try {
                         val openGroups = DatabaseComponent.get(requireContext()).lokiThreadDatabase().getAllOpenGroups()
                         openGroups.map { it.value.server }.toSet().forEach { server ->
                             OpenGroupApi.deleteAllInboxMessages(server).get()
                         }
                         SnodeAPI.deleteAllMessages().get()
                     } catch (e: Exception) {
+                        Log.e(TAG, "Failed to delete network messages - offering user option to delete local data only.", e)
                         null
                     }
 
-                if (result == null || result.values.any { !it } || result.isEmpty()) {
-                    // didn't succeed (at least one)
-                    withContext(Dispatchers.Main) {
-                        step = previousStep
+                    // If one or more deletions failed then inform the user and allow them to clear the device only if they wish..
+                    if (deletionResultMap == null || deletionResultMap.values.any { !it } || deletionResultMap.isEmpty()) {
+                        withContext(Main) { step = Steps.RETRY_LOCAL_DELETE_ONLY_PROMPT }
                     }
-                } else if (result.values.all { it }) {
-                    // don't force sync because all the messages are deleted?
+                    else if (deletionResultMap.values.all { it }) {
+                        // ..otherwise if the network data deletion was successful proceed to delete the local data as well.
                         ApplicationContext.getInstance(context).clearAllData(false)
-                    withContext(Dispatchers.Main) {
-                        dismiss()
+                        withContext(Main) { dismiss() }
                     }
                 }
             }

app/src/main/res/values-fa-rIR/strings.xml

@@ -657,8 +657,6 @@
     <string name="dialog_clear_all_data_explanation">این گزینه به طور دائم پیام‌ها، جلسات و مخاطبین شما را حذف می‌کند.</string>
     <string name="dialog_clear_all_data_network_explanation">آیا فقط می‌خواهید این دستگاه را پاک کنید یا می‌خواهید کل اکانت را پاک کنید؟</string>
     <string name="dialog_clear_all_data_message">این کار پیام‌ها و مخاطبین شما را برای همیشه حذف می‌کند. آیا می‌خواهید فقط این دستگاه را پاک کنید یا داتا خود را از شبکه نیز حذف کنید?</string>
-    <string name="dialog_clear_all_data_clear_device_only">فقط پاک کردن دستگاه</string>
-    <string name="dialog_clear_all_data_clear_device_and_network">پاک کردن دستگاه و شبکه</string>
     <string name="dialog_clear_all_data_clear_device_and_network_confirmation">آیا مطمئن هستید که می خواهید داتا های خود را از شبکه حذف کنید؟ اگر ادامه دهید، نمی‌توانید پیام‌ها یا مخاطبین خود را بازیابی کنید.</string>
     <string name="dialog_clear_all_data_clear">پاک</string>
     <string name="dialog_clear_all_data_local_only">فقط حذف شود</string>

app/src/main/res/values-fr-rFR/strings.xml

@@ -660,8 +660,6 @@
     <string name="dialog_clear_all_data_explanation">Cela supprimera définitivement vos messages, vos sessions et vos contacts.</string>
     <string name="dialog_clear_all_data_network_explanation">Souhaitez-vous effacer seulement cet appareil ou supprimer l\'ensemble de votre compte ?</string>
     <string name="dialog_clear_all_data_message">Cela supprimera définitivement vos messages, sessions et contacts. Voulez-vous uniquement effacer cet appareil ou supprimer l\'intégralité de votre compte ?</string>
-    <string name="dialog_clear_all_data_clear_device_only">Effacer l\'appareil uniquement</string>
-    <string name="dialog_clear_all_data_clear_device_and_network">Effacer l\'appareil et le réseau</string>
     <string name="dialog_clear_all_data_clear_device_and_network_confirmation">Êtes-vous sûr de vouloir supprimer vos données du réseau ? Si vous continuez, vous ne pourrez pas restaurer vos messages ou vos contacts.</string>
     <string name="dialog_clear_all_data_clear">Effacer</string>
     <string name="dialog_clear_all_data_local_only">Effacer seulement</string>

app/src/main/res/values-fr/strings.xml

@@ -660,8 +660,6 @@
     <string name="dialog_clear_all_data_explanation">Cela supprimera définitivement vos messages, vos sessions et vos contacts.</string>
     <string name="dialog_clear_all_data_network_explanation">Souhaitez-vous effacer seulement cet appareil ou supprimer l\'ensemble de votre compte ?</string>
     <string name="dialog_clear_all_data_message">Cela supprimera définitivement vos messages, sessions et contacts. Voulez-vous uniquement effacer cet appareil ou supprimer l\'intégralité de votre compte ?</string>
-    <string name="dialog_clear_all_data_clear_device_only">Effacer l\'appareil uniquement</string>
-    <string name="dialog_clear_all_data_clear_device_and_network">Effacer l\'appareil et le réseau</string>
     <string name="dialog_clear_all_data_clear_device_and_network_confirmation">Êtes-vous sûr de vouloir supprimer vos données du réseau ? Si vous continuez, vous ne pourrez pas restaurer vos messages ou vos contacts.</string>
     <string name="dialog_clear_all_data_clear">Effacer</string>
     <string name="dialog_clear_all_data_local_only">Effacer seulement</string>

app/src/main/res/values/strings.xml

@@ -842,8 +842,6 @@
     <string name="dialog_clear_all_data_explanation">This will permanently delete your messages, sessions, and contacts.</string>
     <string name="dialog_clear_all_data_network_explanation">Would you like to clear only this device, or delete your entire account?</string>
     <string name="dialog_clear_all_data_message">This will permanently delete your messages, sessions, and contacts. Would you like to clear only this device, or delete your entire account?</string>
-    <string name="dialog_clear_all_data_clear_device_only">Clear Device Only</string>
-    <string name="dialog_clear_all_data_clear_device_and_network">Clear Device and Network</string>
     <string name="dialog_clear_all_data_clear_device_and_network_confirmation">Are you sure you want to delete your data from the network? If you continue you will not be able to restore your messages or contacts.</string>
     <string name="dialog_clear_all_data_clear">Clear</string>
     <string name="dialog_clear_all_data_local_only">Delete Only</string>

libsession/src/main/java/org/session/libsession/snode/OnionRequestAPI.kt

@@ -25,7 +25,6 @@ import org.session.libsignal.utilities.Snode
 import org.session.libsignal.utilities.ThreadUtils
 import org.session.libsignal.utilities.recover
 import org.session.libsignal.utilities.toHexString
-import java.util.Date
 import java.util.concurrent.atomic.AtomicReference
 import kotlin.collections.set
 

libsession/src/main/res/values/strings.xml

@@ -73,4 +73,10 @@
     <string name="ConversationItem_group_action_left">%1$s has left the group.</string>
     <!-- RecipientProvider -->
     <string name="RecipientProvider_unnamed_group">Unnamed group</string>
+
+    <string name="clearDataErrorDescriptionGeneric">An unknown error occurred and your data was not deleted. Do you want to delete your data from just this device instead?</string>
+    <string name="errorUnknown">An unknown error occurred.</string>
+    <string name="clearDevice">Clear Device</string>
+    <string name="clearDeviceOnly">Clear device only</string>
+    <string name="clearDeviceAndNetwork">Clear device and network</string>
 </resources>

libsignal/src/main/java/org/session/libsignal/utilities/ThreadUtils.kt

@@ -4,7 +4,6 @@ import android.os.Process
 import kotlinx.coroutines.Dispatchers
 import java.util.concurrent.ExecutorService
 import java.util.concurrent.LinkedBlockingQueue
-import java.util.concurrent.SynchronousQueue
 import java.util.concurrent.ThreadPoolExecutor
 import java.util.concurrent.TimeUnit
 import kotlin.coroutines.EmptyCoroutineContext