Simplified special search

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

@@ -226,17 +226,14 @@ public interface DaoMessage {
             " OR `keywords` LIKE :find COLLATE NOCASE" +
             " OR `preview` LIKE :find COLLATE NOCASE) AS matched" +
             " FROM message" +
-            " WHERE (:folder IS NULL OR folder = :folder)" +
+            " WHERE NOT ui_hide" +
-            " AND NOT ui_hide" +
+            " AND (:folder IS NULL OR folder = :folder)" +
-            " AND (:seen IS NULL OR message.ui_seen = :seen)" +
+            " AND (:seen IS NULL OR ui_seen = :seen)" +
-            " AND (:flagged IS NULL OR message.ui_flagged = :flagged)" +
+            " AND (:flagged IS NULL OR ui_flagged = :flagged)" +
-            " AND CASE :snoozed" +
+            " AND (:hidden IS NULL OR (CASE WHEN ui_snoozed IS NULL THEN 0 ELSE 1 END) = :hidden)" +
-            "  WHEN 0 THEN message.ui_snoozed IS NULL" +
+            " ORDER BY received DESC" +
-            "  WHEN 1 THEN message.ui_snoozed IS NOT NULL" +
-            "  ELSE 1 END" + // NULL: true
-            " ORDER BY message.received DESC" +
             " LIMIT :limit OFFSET :offset")
-    List<TupleMatch> matchMessages(Long folder, String find, Boolean seen, Boolean flagged, Boolean snoozed, int limit, int offset);
+    List<TupleMatch> matchMessages(Long folder, String find, Boolean seen, Boolean flagged, Boolean hidden, int limit, int offset);
 
     @Query("SELECT id" +
             " FROM message" +