Login/Logout Improvements

app/src/main/java/net/helcel/cowspent/android/account/AccountActivity.kt

@@ -38,6 +38,8 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import net.helcel.cowspent.R
 import net.helcel.cowspent.android.main.MainConstants
+import net.helcel.cowspent.persistence.CowspentSQLiteOpenHelper
+import net.helcel.cowspent.persistence.CowspentServerSyncHelper
 import net.helcel.cowspent.theme.ThemeUtils
 import net.helcel.cowspent.util.CospendClientUtil
 import net.helcel.cowspent.util.CospendClientUtil.LoginStatus
@@ -188,6 +190,12 @@ class AccountActivity : AppCompatActivity() {
         }
     }
 
+    private fun startInitialAccountSync() {
+        if (!CowspentServerSyncHelper.isNextcloudAccountConfigured(applicationContext)) return
+        CowspentSQLiteOpenHelper.getInstance(applicationContext)
+            .cowspentServerSyncHelper.runAccountProjectsSync()
+    }
+
     @Deprecated("Deprecated in Java")
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
@@ -207,6 +215,8 @@ class AccountActivity : AppCompatActivity() {
                     viewModel.serverUrl = ssoAccount.url
                     viewModel.username = ssoAccount.userId
 
+                    startInitialAccountSync()
+
                     val resultData = Intent()
                     resultData.putExtra(MainConstants.CREDENTIALS_CHANGED, CREDENTIALS_CHANGED)
                     setResult(RESULT_OK, resultData)
@@ -312,6 +322,8 @@ class AccountActivity : AppCompatActivity() {
                     remove(SETTINGS_KEY_LAST_MODIFIED)
                 }
 
+                startInitialAccountSync()
+
                 val data = Intent()
                 data.putExtra(MainConstants.CREDENTIALS_CHANGED, CREDENTIALS_CHANGED)
                 setResult(RESULT_OK, data)

app/src/main/java/net/helcel/cowspent/android/account/AccountViewModel.kt

@@ -2,6 +2,7 @@ package net.helcel.cowspent.android.account
 
 import android.app.Application
 import android.content.SharedPreferences
+import android.util.Log
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.setValue
@@ -12,6 +13,7 @@ import androidx.preference.PreferenceManager
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
+import net.helcel.cowspent.persistence.CowspentSQLiteOpenHelper
 import net.helcel.cowspent.util.CospendClientUtil
 import net.helcel.cowspent.util.SecureStorage
 
@@ -88,8 +90,28 @@ class AccountViewModel(application: Application) : AndroidViewModel(application)
         }
     }
 
+    private fun forgetProjectsTheAccountProvided() {
+        try {
+            val db = CowspentSQLiteOpenHelper.getInstance(getApplication())
+            val offered = db.accountProjects
+            val cospendPath = "/index.php/apps/cospend"
+            for (project in db.projects) {
+                val matches = offered.any {
+                    it.remoteId == project.remoteId &&
+                            project.serverUrl?.replace("/+$".toRegex(), "") ==
+                            it.ncUrl.replace("/+$".toRegex(), "") + cospendPath
+                }
+                if (matches) db.deleteProject(project.id)
+            }
+            db.clearAccountProjects()
+        } catch (e: Exception) {
+            Log.e("AccountViewModel", "Could not remove the account's projects on logout", e)
+        }
+    }
+
     fun logout() {
         viewModelScope.launch {
+            withContext(Dispatchers.IO) { forgetProjectsTheAccountProvided() }
             SecureStorage.removePassword(getApplication(), AccountActivity.SETTINGS_PASSWORD)
         }
         preferences.edit {

app/src/main/java/net/helcel/cowspent/android/settings/PreferencesActivity.kt

@@ -5,6 +5,7 @@ import android.os.Bundle
 import androidx.activity.OnBackPressedCallback
 import androidx.activity.enableEdgeToEdge
 import androidx.activity.compose.setContent
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.AppCompatActivity
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableIntStateOf
@@ -25,6 +26,14 @@ import net.helcel.cowspent.util.ColorUtils
  */
 class PreferencesActivity : AppCompatActivity() {
 
+    private val accountLauncher = registerForActivityResult(
+        ActivityResultContracts.StartActivityForResult()
+    ) { result ->
+        if (result.resultCode == RESULT_OK) {
+            setResult(RESULT_OK, result.data)
+        }
+    }
+
     override fun onCreate(savedInstanceState: Bundle?) {
         enableEdgeToEdge()
         super.onCreate(savedInstanceState)
@@ -59,7 +68,7 @@ class PreferencesActivity : AppCompatActivity() {
                 SettingsScreen(
                     onBack = { NavUtils.navigateUpFromSameTask(this) },
                     onAccountSettingsClick = {
-                        startActivity(Intent(this, AccountActivity::class.java))
+                        accountLauncher.launch(Intent(this, AccountActivity::class.java))
                     },
                     onAboutClick = {
                         startActivity(Intent(this, AboutActivity::class.java))