fix a issue that the unread count can be negative

2021-08-12 16:37:53 +10:00 · 2021-08-12 16:37:53 +10:00 · 4f89c33676
parent 9dcc5dd848
commit 4f89c33676
1 changed files with 1 additions and 1 deletions
--- a/app/src/main/java/org/thoughtcrime/securesms/database/ThreadDatabase.java
+++ b/app/src/main/java/org/thoughtcrime/securesms/database/ThreadDatabase.java
@ -297,7 +297,7 @@ public class ThreadDatabase extends Database {
  public void decrementUnread(long threadId, int amount) {
    SQLiteDatabase db = databaseHelper.getWritableDatabase();
    db.execSQL("UPDATE " + TABLE_NAME + " SET " + READ + " = 0, " +
-                    UNREAD_COUNT + " = " + UNREAD_COUNT + " - ? WHERE " + ID + " = ?",
+                    UNREAD_COUNT + " = " + UNREAD_COUNT + " - ? WHERE " + ID + " = ? AND " + UNREAD_COUNT + " > 0",
            new String[] {String.valueOf(amount),
                    String.valueOf(threadId)});
  }