Silence old/unshown notifications

app/src/main/java/eu/faircode/email/Core.java

@@ -135,7 +135,7 @@ import static androidx.core.app.NotificationCompat.DEFAULT_SOUND;
 import static javax.mail.Folder.READ_WRITE;
 
 class Core {
-    private static final int MAX_NOTIFICATION_DISPLAY = 25; // per group
+    private static final int MAX_NOTIFICATION_DISPLAY = 7; // per group
     private static final int MAX_NOTIFICATION_COUNT = 100; // per group
     private static final int SYNC_CHUNCK_SIZE = 200;
     private static final int SYNC_BATCH_SIZE = 20;
@@ -3729,8 +3729,13 @@ class Core {
             List<Long> add = new ArrayList<>();
             List<Long> update = new ArrayList<>();
             List<Long> remove = new ArrayList<>(groupNotifying.get(group));
-            for (int m = 0; m < groupMessages.get(group).size() && m < MAX_NOTIFICATION_DISPLAY; m++) {
+            for (int m = 0; m < groupMessages.get(group).size(); m++) {
                 TupleMessageEx message = groupMessages.get(group).get(m);
+                if (m >= MAX_NOTIFICATION_DISPLAY) {
+                    db.message().setMessageUiSilent(message.id, true);
+                    continue;
+                }
+
                 long id = (message.content ? message.id : -message.id);
                 if (remove.contains(id)) {
                     remove.remove(id);
@@ -4068,6 +4073,11 @@ class Core {
                             .setOnlyAlertOnce(alert_once)
                             .setAllowSystemGeneratedContextualActions(false);
 
+            if (message.ui_silent) {
+                mbuilder.setSilent(true);
+                Log.i("Notify silent=" + message.id);
+            }
+
             if (notify_messaging) {
                 // https://developer.android.com/training/cars/messaging
                 String meName = MessageHelper.formatAddresses(message.to, name_email, false);

app/src/main/java/eu/faircode/email/DB.java

@@ -64,7 +64,7 @@ import static eu.faircode.email.ServiceAuthenticator.AUTH_TYPE_PASSWORD;
 // https://developer.android.com/topic/libraries/architecture/room.html
 
 @Database(
-        version = 187,
+        version = 188,
         entities = {
                 EntityIdentity.class,
                 EntityAccount.class,
@@ -1831,6 +1831,13 @@ public abstract class DB extends RoomDatabase {
                         db.execSQL("ALTER TABLE `message` ADD COLUMN `deleted` INTEGER NOT NULL DEFAULT 0");
                         db.execSQL("ALTER TABLE `message` ADD COLUMN `ui_deleted` INTEGER NOT NULL DEFAULT 0");
                     }
+                })
+                .addMigrations(new Migration(187, 188) {
+                    @Override
+                    public void migrate(@NonNull SupportSQLiteDatabase db) {
+                        Log.i("DB migration from version " + startVersion + " to " + endVersion);
+                        db.execSQL("ALTER TABLE `message` ADD COLUMN `ui_silent` INTEGER NOT NULL DEFAULT 0");
+                    }
                 });
     }
 

app/src/main/java/eu/faircode/email/DaoMessage.java

@@ -661,6 +661,9 @@ public interface DaoMessage {
     @Query("UPDATE message SET ui_ignored = :ui_ignored WHERE id = :id AND NOT (ui_ignored IS :ui_ignored)")
     int setMessageUiIgnored(long id, boolean ui_ignored);
 
+    @Query("UPDATE message SET ui_silent = :ui_silent WHERE id = :id AND NOT (ui_silent IS :ui_silent)")
+    int setMessageUiSilent(long id, boolean ui_silent);
+
     @Query("UPDATE message SET ui_busy = :busy WHERE id = :id AND NOT (ui_busy IS :busy)")
     int setMessageUiBusy(long id, Long busy);
 

app/src/main/java/eu/faircode/email/EntityMessage.java

@@ -214,6 +214,8 @@ public class EntityMessage implements Serializable {
     @NonNull
     public Boolean ui_ignored = false;
     @NonNull
+    public Boolean ui_silent = false;
+    @NonNull
     public Boolean ui_browsed = false;
     public Long ui_busy;
     public Long ui_snoozed;