Closes #201.

app/src/main/java/apps/amine/bou/readerforselfoss/MyApp.kt

@@ -68,11 +68,18 @@ class MyApp : MultiDexApplication() {
 
     private fun handleNotificationChannels() {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            val notificationManager = getSystemService(NOTIFICATION_SERVICE) as NotificationManager
+
             val name = getString(R.string.notification_channel_sync)
             val importance = NotificationManager.IMPORTANCE_LOW
             val mChannel = NotificationChannel(Config.syncChannelId, name, importance)
-            val notificationManager = getSystemService(NOTIFICATION_SERVICE) as NotificationManager
+
+            val newItemsChannelname = getString(R.string.new_items_channel_sync)
+            val newItemsChannelimportance = NotificationManager.IMPORTANCE_DEFAULT
+            val newItemsChannelmChannel = NotificationChannel(Config.newItemsChannelId, newItemsChannelname, newItemsChannelimportance)
+
             notificationManager.createNotificationChannel(mChannel)
+            notificationManager.createNotificationChannel(newItemsChannelmChannel)
         }
     }
 

app/src/main/java/apps/amine/bou/readerforselfoss/background/background.kt

@@ -2,9 +2,9 @@ package apps.amine.bou.readerforselfoss.background
 
 import android.app.NotificationManager
 import android.content.Context
-import android.os.Handler
 import android.preference.PreferenceManager
 import androidx.core.app.NotificationCompat
+import androidx.core.app.NotificationCompat.PRIORITY_DEFAULT
 import androidx.core.app.NotificationCompat.PRIORITY_LOW
 import androidx.room.Room
 import androidx.work.Worker
@@ -51,6 +51,7 @@ class LoadingWorker(val context: Context, params: WorkerParameters) : Worker(con
                 this.context.getSharedPreferences(Config.settingsName, Context.MODE_PRIVATE)
             val sharedPref = PreferenceManager.getDefaultSharedPreferences(this.context)
             val shouldLogEverything = sharedPref.getBoolean("should_log_everything", false)
+            val notifyNewItems = sharedPref.getBoolean("notify_new_items", false)
 
             db = Room.databaseBuilder(
                 applicationContext,
@@ -81,6 +82,20 @@ class LoadingWorker(val context: Context, params: WorkerParameters) : Worker(con
                             db.itemsDao().deleteAllItems()
                             db.itemsDao()
                                 .insertAllItems(*(apiItems.map { it.toEntity() }).toTypedArray())
+
+                            val newSize = apiItems.filter { it.unread }.size
+                            if (notifyNewItems && newSize > 0) {
+                                val newItemsNotification = NotificationCompat.Builder(applicationContext, Config.newItemsChannelId)
+                                    .setContentTitle(context.getString(R.string.new_items_notification_title))
+                                    .setContentText(context.getString(R.string.new_items_notification_text, newSize))
+                                    .setPriority(PRIORITY_DEFAULT)
+                                    .setChannelId(Config.newItemsChannelId)
+                                    .setSmallIcon(R.drawable.ic_fiber_new_black_24dp)
+
+                                Timer("", false).schedule(4000) {
+                                    notificationManager.notify(2, newItemsNotification.build())
+                                }
+                            }
                         }
                         Timer("", false).schedule(4000) {
                             notificationManager.cancel(1)

app/src/main/java/apps/amine/bou/readerforselfoss/utils/Config.kt

@@ -38,6 +38,8 @@ class Config(c: Context) {
 
         const val syncChannelId = "sync-channel-id"
 
+        const val newItemsChannelId = "new-items-channel-id"
+
         fun logoutAndRedirect(
             c: Context,
             callingActivity: Activity,

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

@@ -161,4 +161,8 @@
     <string name="loading_notification_title">Loading ...</string>
     <string name="loading_notification_text">Selfoss is syncing your articles</string>
     <string name="notification_channel_sync">Sync notification</string>
+    <string name="new_items_channel_sync">New items notification</string>
+    <string name="new_items_notification_title">New items !</string>
+    <string name="new_items_notification_text">%1$d new items loaded.</string>
+    <string name="pref_switch_notify_new_items">Notify on new items synced.</string>
 </resources>

app/src/main/res/xml/pref_offline.xml

@@ -28,4 +28,10 @@
         android:key="refresh_when_charging"
         android:dependency="periodic_refresh"
         android:title="@string/pref_switch_refresh_when_charging" />
+
+    <SwitchPreference
+        android:defaultValue="false"
+        android:key="notify_new_items"
+        android:dependency="periodic_refresh"
+        android:title="@string/pref_switch_notify_new_items" />
 </PreferenceScreen>