Added uuid to rules

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

@@ -1184,6 +1184,10 @@ public class ActivitySetup extends ActivityBase implements FragmentManager.OnBac
                                     Log.e(ex);
                                 }
 
+                                EntityRule existing = db.rule().getRuleByUUID(rule.uuid);
+                                if (existing != null)
+                                    db.rule().deleteRule(existing.id);
+
                                 db.rule().insertRule(rule);
                             }
                         }

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

@@ -71,7 +71,7 @@ import io.requery.android.database.sqlite.SQLiteDatabase;
 // https://developer.android.com/topic/libraries/architecture/room.html
 
 @Database(
-        version = 236,
+        version = 237,
         entities = {
                 EntityIdentity.class,
                 EntityAccount.class,
@@ -2113,19 +2113,12 @@ public abstract class DB extends RoomDatabase {
                     public void migrate(@NonNull SupportSQLiteDatabase db) {
                         logMigration(startVersion, endVersion);
                         db.execSQL("ALTER TABLE `account` ADD COLUMN `uuid` TEXT NOT NULL DEFAULT ''");
-                        Cursor cursor = null;
-                        try {
-                            cursor = db.query("SELECT id FROM account");
+                        try (Cursor cursor = db.query("SELECT id FROM account")) {
                             while (cursor != null && cursor.moveToNext()) {
                                 long id = cursor.getLong(0);
                                 String uuid = UUID.randomUUID().toString();
-                                Log.i("MMM account=" + id + " uuid=" + uuid);
-                                db.execSQL("UPDATE account SET uuid = ? WHERE id = ?",
-                                        new Object[]{uuid, id});
+                                db.execSQL("UPDATE account SET uuid = ? WHERE id = ?", new Object[]{uuid, id});
                             }
-                        } catch (Throwable ex) {
-                            if (cursor != null)
-                                cursor.close();
                         }
                     }
                 }).addMigrations(new Migration(204, 205) {
@@ -2355,6 +2348,19 @@ public abstract class DB extends RoomDatabase {
                         logMigration(startVersion, endVersion);
                         db.execSQL("ALTER TABLE `identity` ADD COLUMN `octetmime` INTEGER NOT NULL DEFAULT 0");
                     }
+                }).addMigrations(new Migration(236, 237) {
+                    @Override
+                    public void migrate(@NonNull SupportSQLiteDatabase db) {
+                        logMigration(startVersion, endVersion);
+                        db.execSQL("ALTER TABLE `rule` ADD COLUMN `uuid` TEXT NOT NULL DEFAULT ''");
+                        try (Cursor cursor = db.query("SELECT id FROM rule")) {
+                            while (cursor != null && cursor.moveToNext()) {
+                                long id = cursor.getLong(0);
+                                String uuid = UUID.randomUUID().toString();
+                                db.execSQL("UPDATE rule SET uuid = ? WHERE id = ?", new Object[]{uuid, id});
+                            }
+                        }
+                    }
                 }).addMigrations(new Migration(998, 999) {
                     @Override
                     public void migrate(@NonNull SupportSQLiteDatabase db) {

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

@@ -46,6 +46,9 @@ public interface DaoRule {
             " WHERE rule.id = :id")
     TupleRuleEx getRule(long id);
 
+    @Query("SELECT * FROM rule WHERE uuid = :uuid")
+    EntityRule getRuleByUUID(String uuid);
+
     @Query("SELECT rule.*, folder.account, folder.name AS folderName, account.name AS accountName FROM rule" +
             " JOIN folder ON folder.id = rule.folder" +
             " JOIN account ON account.id = folder.account" +

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

@@ -56,6 +56,7 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.Locale;
 import java.util.Objects;
+import java.util.UUID;
 import java.util.concurrent.ExecutorService;
 import java.util.regex.Pattern;
 
@@ -83,6 +84,8 @@ public class EntityRule {
     @PrimaryKey(autoGenerate = true)
     public Long id;
     @NonNull
+    public String uuid = UUID.randomUUID().toString();
+    @NonNull
     public Long folder;
     @NonNull
     public String name;
@@ -1161,7 +1164,8 @@ public class EntityRule {
     public boolean equals(Object obj) {
         if (obj instanceof EntityRule) {
             EntityRule other = (EntityRule) obj;
-            return this.folder.equals(other.folder) &&
+            return Objects.equals(this.uuid, other.uuid) &&
+                    this.folder.equals(other.folder) &&
                     this.name.equals(other.name) &&
                     this.order == other.order &&
                     this.enabled == other.enabled &&
@@ -1212,6 +1216,7 @@ public class EntityRule {
     public JSONObject toJSON() throws JSONException {
         JSONObject json = new JSONObject();
         json.put("id", id);
+        json.put("uuid", uuid);
         json.put("name", name);
         json.put("order", order);
         json.put("enabled", enabled);
@@ -1226,6 +1231,8 @@ public class EntityRule {
     public static EntityRule fromJSON(JSONObject json) throws JSONException {
         EntityRule rule = new EntityRule();
         // id
+        if (json.has("uuid"))
+            rule.uuid = json.getString("uuid");
         rule.name = json.getString("name");
         rule.order = json.getInt("order");
         rule.enabled = json.getBoolean("enabled");