[TECHNICAL] Technical improvements for user quota

CHANGELOG.md

@@ -43,6 +43,7 @@ ownCloud admins and users.
 * Enhancement - Added text labels for BottomNavigationView: [#4484](https://github.com/owncloud/android/issues/4484)
 * Enhancement - OCIS Light Users: [#4490](https://github.com/owncloud/android/issues/4490)
 * Enhancement - Enforce OIDC auth flow via branding: [#4500](https://github.com/owncloud/android/issues/4500)
+* Enhancement - Technical improvements for user quota: [#4521](https://github.com/owncloud/android/issues/4521)
 
 ## Details
 
@@ -124,6 +125,14 @@ ownCloud admins and users.
    https://github.com/owncloud/android/issues/4500
    https://github.com/owncloud/android/pull/4516
 
+* Enhancement - Technical improvements for user quota: [#4521](https://github.com/owncloud/android/issues/4521)
+
+   A new use case has been added to fetch the user quota as a flow. Also, all
+   unnecessary calls from DrawerActivity have been removed.
+
+   https://github.com/owncloud/android/issues/4521
+   https://github.com/owncloud/android/pull/4525
+
 # Changelog for ownCloud Android Client [4.4.1] (2024-10-30)
 
 The following sections list the changes in ownCloud Android Client 4.4.1 relevant to

changelog/unreleased/4525

@@ -0,0 +1,7 @@
+Enhancement: Technical improvements for user quota
+
+A new use case has been added to fetch the user quota as a flow.
+Also, all unnecessary calls from DrawerActivity have been removed.
+
+https://github.com/owncloud/android/issues/4521
+https://github.com/owncloud/android/pull/4525

owncloudApp/src/main/java/com/owncloud/android/dependecyinjection/UseCaseModule.kt

@@ -5,6 +5,7 @@
  * @author Abel García de Prada
  * @author Juan Carlos Garrote Gascón
  * @author Aitor Ballesteros Pavón
+ * @author Jorge Aguado Recio
  *
  * Copyright (C) 2024 ownCloud GmbH.
  *
@@ -101,6 +102,7 @@ import com.owncloud.android.domain.transfers.usecases.GetAllTransfersAsStreamUse
 import com.owncloud.android.domain.transfers.usecases.GetAllTransfersUseCase
 import com.owncloud.android.domain.transfers.usecases.UpdatePendingUploadsPathUseCase
 import com.owncloud.android.domain.user.usecases.GetStoredQuotaUseCase
+import com.owncloud.android.domain.user.usecases.GetStoredQuotaAsStreamUseCase
 import com.owncloud.android.domain.user.usecases.GetUserAvatarAsyncUseCase
 import com.owncloud.android.domain.user.usecases.GetUserInfoAsyncUseCase
 import com.owncloud.android.domain.user.usecases.GetUserQuotasUseCase
@@ -252,6 +254,7 @@ val useCaseModule = module {
     factoryOf(::UploadFilesFromSystemUseCase)
 
     // User
+    factoryOf(::GetStoredQuotaAsStreamUseCase)
     factoryOf(::GetStoredQuotaUseCase)
     factoryOf(::GetUserAvatarAsyncUseCase)
     factoryOf(::GetUserInfoAsyncUseCase)

owncloudApp/src/main/java/com/owncloud/android/presentation/common/DrawerViewModel.kt

@@ -25,65 +25,59 @@ package com.owncloud.android.presentation.common
 
 import android.accounts.Account
 import android.content.Context
-import androidx.lifecycle.LiveData
-import androidx.lifecycle.MediatorLiveData
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.owncloud.android.R
 import com.owncloud.android.data.providers.LocalStorageProvider
 import com.owncloud.android.domain.user.model.UserQuota
-import com.owncloud.android.domain.user.usecases.GetStoredQuotaUseCase
+import com.owncloud.android.domain.user.usecases.GetStoredQuotaAsStreamUseCase
 import com.owncloud.android.domain.user.usecases.GetUserQuotasUseCase
 import com.owncloud.android.domain.utils.Event
 import com.owncloud.android.extensions.ViewModelExt.runUseCaseWithResult
 import com.owncloud.android.presentation.authentication.AccountUtils
 import com.owncloud.android.providers.ContextProvider
 import com.owncloud.android.providers.CoroutinesDispatcherProvider
 import com.owncloud.android.usecases.accounts.RemoveAccountUseCase
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.launch
 import timber.log.Timber
 
 class DrawerViewModel(
-    private val getStoredQuotaUseCase: GetStoredQuotaUseCase,
+    getStoredQuotaAsStreamUseCase: GetStoredQuotaAsStreamUseCase,
     private val removeAccountUseCase: RemoveAccountUseCase,
     private val getUserQuotasUseCase: GetUserQuotasUseCase,
     private val localStorageProvider: LocalStorageProvider,
     private val coroutinesDispatcherProvider: CoroutinesDispatcherProvider,
     private val contextProvider: ContextProvider,
+    accountName: String,
 ) : ViewModel() {
 
-    private val _userQuota = MediatorLiveData<Event<UIResult<UserQuota?>>>()
-    val userQuota: LiveData<Event<UIResult<UserQuota?>>> = _userQuota
+    private val _userQuota = MutableStateFlow<Event<UIResult<Flow<UserQuota?>>>?>(null)
+    val userQuota: StateFlow<Event<UIResult<Flow<UserQuota?>>>?> = _userQuota
 
-    fun getStoredQuota(
-        accountName: String
-    ) = runUseCaseWithResult(
-        coroutineDispatcher = coroutinesDispatcherProvider.io,
-        requiresConnection = false,
-        showLoading = true,
-        liveData = _userQuota,
-        useCase = getStoredQuotaUseCase,
-        useCaseParams = GetStoredQuotaUseCase.Params(accountName = accountName)
-    )
+    init {
+        runUseCaseWithResult(
+            coroutineDispatcher = coroutinesDispatcherProvider.io,
+            requiresConnection = false,
+            showLoading = true,
+            flow = _userQuota,
+            useCase = getStoredQuotaAsStreamUseCase,
+            useCaseParams = GetStoredQuotaAsStreamUseCase.Params(accountName = accountName),
+        )
+    }
 
     fun getAccounts(context: Context): List<Account> {
         return AccountUtils.getAccounts(context).asList()
     }
 
-    fun getCurrentAccount(context: Context): Account? {
-        return AccountUtils.getCurrentOwnCloudAccount(context)
-    }
-
     fun getUsernameOfAccount(accountName: String): String {
         return AccountUtils.getUsernameOfAccount(accountName)
     }
 
     fun getFeedbackMail() = contextProvider.getString(R.string.mail_feedback)
 
-    fun setCurrentAccount(context: Context, accountName: String): Boolean {
-        return AccountUtils.setCurrentOwnCloudAccount(context, accountName)
-    }
-
     fun removeAccount(context: Context) {
         viewModelScope.launch(coroutinesDispatcherProvider.io) {
             val loggedAccounts = AccountUtils.getAccounts(context)