Added rule UI

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

@@ -0,0 +1,51 @@
+package eu.faircode.email;
+
+/*
+    This file is part of FairEmail.
+
+    FairEmail is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    FairEmail is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with FairEmail.  If not, see <http://www.gnu.org/licenses/>.
+
+    Copyright 2018-2019 by Marcel Bokhorst (M66B)
+*/
+
+import java.util.List;
+
+import androidx.lifecycle.LiveData;
+import androidx.room.Dao;
+import androidx.room.Insert;
+import androidx.room.Query;
+import androidx.room.Update;
+
+@Dao
+public interface DaoRule {
+    @Query("SELECT * FROM rule WHERE folder = :folder")
+    List<EntityRule> getRules(long folder);
+
+    @Query("SELECT rule.*, folder.account FROM rule" +
+            " JOIN folder ON folder.id = rule.folder" +
+            " WHERE rule.id = :id")
+    TupleRuleEx getRule(long id);
+
+    @Query("SELECT * FROM rule")
+    LiveData<List<EntityRule>> liveRules();
+
+    @Insert
+    long insertRule(EntityRule rule);
+
+    @Update
+    int updateRule(EntityRule rule);
+
+    @Query("DELETE FROM rule WHERE id = :id")
+    void deleteRule(long id);
+}