Split up success and error notification

Now, we don't do partial backups anymore. A snapshot is only done at the end and no information can make it to the backup before. Hence the old error notification with number of apps backed up didn't make sense anymore.

app/src/androidTest/java/com/stevesoltys/seedvault/e2e/LargeBackupTestBase.kt

@@ -24,6 +24,7 @@ import kotlinx.coroutines.withTimeout
 import org.koin.core.component.get
 import java.io.ByteArrayOutputStream
 import java.util.concurrent.atomic.AtomicBoolean
+import kotlin.test.fail
 
 internal interface LargeBackupTestBase : LargeTestBase {
 
@@ -189,7 +190,7 @@ internal interface LargeBackupTestBase : LargeTestBase {
         clearMocks(spyBackupNotificationManager)
 
         every {
-            spyBackupNotificationManager.onBackupFinished(any(), any(), any(), any())
+            spyBackupNotificationManager.onBackupSuccess(any(), any(), any())
         } answers {
             val success = firstArg<Boolean>()
             assert(success) { "Backup failed." }
@@ -197,6 +198,13 @@ internal interface LargeBackupTestBase : LargeTestBase {
             callOriginal()
             completed.set(true)
         }
+        every {
+            spyBackupNotificationManager.onBackupError()
+        } answers {
+            callOriginal()
+            completed.set(true)
+            fail("Backup failed.")
+        }
 
         return completed
     }

app/src/main/AndroidManifest.xml

@@ -101,6 +101,7 @@
         <activity
             android:name=".settings.SettingsActivity"
             android:exported="true"
+            android:launchMode="singleTask"
             android:permission="com.stevesoltys.seedvault.OPEN_SETTINGS"
             android:windowSoftInputMode="adjustResize" />
 

app/src/main/java/com/stevesoltys/seedvault/ui/notification/BackupNotificationManager.kt

@@ -185,21 +185,17 @@ internal class BackupNotificationManager(private val context: Context) {
         // }
     }
 
-    fun onBackupFinished(success: Boolean, numBackedUp: Int?, total: Int, size: Long) {
-        val titleRes =
-            if (success) R.string.notification_success_title else R.string.notification_failed_title
-        val contentText = if (numBackedUp == null) null else {
+    fun onBackupSuccess(numBackedUp: Int, total: Int, size: Long) {
         val sizeStr = Formatter.formatShortFileSize(context, size)
+        val contentText =
             context.getString(R.string.notification_success_text, numBackedUp, total, sizeStr)
-        }
-        val iconRes = if (success) R.drawable.ic_cloud_done else R.drawable.ic_cloud_error
         val intent = Intent(context, SettingsActivity::class.java).apply {
-            if (success) action = ACTION_APP_STATUS_LIST
+            action = ACTION_APP_STATUS_LIST
         }
         val pendingIntent = PendingIntent.getActivity(context, 0, intent, FLAG_IMMUTABLE)
         val notification = Builder(context, CHANNEL_ID_SUCCESS).apply {
-            setSmallIcon(iconRes)
-            setContentTitle(context.getString(titleRes))
+            setSmallIcon(R.drawable.ic_cloud_done)
+            setContentTitle(context.getString(R.string.notification_success_title))
             setContentText(contentText)
             setOngoing(false)
             setShowWhen(true)
@@ -213,8 +209,27 @@ internal class BackupNotificationManager(private val context: Context) {
         nm.notify(NOTIFICATION_ID_SUCCESS, notification)
     }
 
-    @SuppressLint("RestrictedApi")
     fun onBackupError() {
+        val intent = Intent(context, SettingsActivity::class.java)
+        val pendingIntent = PendingIntent.getActivity(context, 0, intent, FLAG_IMMUTABLE)
+        val notification = Builder(context, CHANNEL_ID_ERROR).apply {
+            setSmallIcon(R.drawable.ic_cloud_error)
+            setContentTitle(context.getString(R.string.notification_failed_title))
+            setContentText(context.getString(R.string.notification_failed_text))
+            setOngoing(false)
+            setShowWhen(true)
+            setAutoCancel(true)
+            setContentIntent(pendingIntent)
+            setWhen(System.currentTimeMillis())
+            setProgress(0, 0, false)
+            priority = PRIORITY_LOW
+        }.build()
+        nm.cancel(NOTIFICATION_ID_OBSERVER)
+        nm.notify(NOTIFICATION_ID_ERROR, notification)
+    }
+
+    @SuppressLint("RestrictedApi")
+    fun onFixableBackupError() {
         val intent = Intent(context, SettingsActivity::class.java)
         val pendingIntent = PendingIntent.getActivity(context, 0, intent, FLAG_IMMUTABLE)
         val actionText = context.getString(R.string.notification_error_action)

app/src/main/java/com/stevesoltys/seedvault/ui/notification/NotificationBackupObserver.kt

@@ -172,10 +172,12 @@ internal class NotificationBackupObserver(
                     snapshot.blobsMap[it.hexFromProto()]?.uncompressedLength?.toLong() ?: 0L
                 }
             } else 0L
-            nm.onBackupFinished(success, numPackagesToReport, total, size)
             if (success) {
+                nm.onBackupSuccess(numPackagesToReport, total, size)
                 // prune old backups
                 AppBackupPruneWorker.scheduleNow(context)
+            } else {
+                nm.onBackupError()
             }
         }
     }

app/src/main/java/com/stevesoltys/seedvault/worker/BackupRequester.kt

@@ -115,7 +115,7 @@ internal class BackupRequester(
         } catch (e: RemoteException) {
             Log.e(TAG, "Error during backup: ", e)
             val nm: BackupNotificationManager = GlobalContext.get().get()
-            nm.onBackupError()
+            nm.onFixableBackupError()
         }
         return if (result == BackupManager.SUCCESS) {
             Log.i(TAG, "Backup request succeeded")

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

@@ -155,6 +155,7 @@
     <string name="notification_success_title">Backup finished</string>
     <string name="notification_success_text">%1$d of %2$d apps backed up (%3$s). Tap to learn more.</string>
     <string name="notification_failed_title">Backup failed</string>
+    <string name="notification_failed_text">An error occurred while running the backup.</string>
 
     <string name="notification_error_channel_title">Error notification</string>
     <string name="notification_error_title">Backup error</string>