[StreamChatPersistence] Add initial implementation

Signed-off-by: Sahil Kumar <[email protected]>
2021-01-25 19:14:55 +05:30
parent 1021814a75
commit 657b58af8b
47 changed files with 1878 additions and 1 deletions
@@ -0,0 +1,50 @@
+import 'package:moor/moor.dart';
+import 'package:stream_chat/stream_chat.dart';
+import 'package:stream_chat_persistence/src/db/moor_chat_database.dart';
+import 'package:stream_chat_persistence/src/entity/reactions.dart';
+import 'package:stream_chat_persistence/src/entity/users.dart';
+import '../mapper/mapper.dart';
+
+part 'reaction_dao.g.dart';
+
+///
+@UseDao(tables: [Reactions, Users])
+class ReactionDao extends DatabaseAccessor<MoorChatDatabase>
+    with _$ReactionDaoMixin {
+  ///
+  ReactionDao(MoorChatDatabase db) : super(db);
+
+  ///
+  Future<List<Reaction>> getReactions(String messageId) {
+    return (select(reactions).join([
+      leftOuterJoin(users, reactions.userId.equalsExp(users.id)),
+    ])
+          ..where(reactions.messageId.equals(messageId))
+          ..orderBy([OrderingTerm.asc(reactions.createdAt)]))
+        .map((rows) {
+      final userEntity = rows.readTable(users);
+      final reactionEntity = rows.readTable(reactions);
+      return reactionEntity.toReaction(user: userEntity?.toUser());
+    }).get();
+  }
+
+  ///
+  Future<List<Reaction>> getOwnReactions(
+    String messageId,
+    String userId,
+  ) async {
+    final reactions = await getReactions(messageId);
+    return reactions.where((it) => it.userId == userId).toList();
+  }
+
+  ///
+  Future<void> updateReactions(List<Reaction> reactionList) {
+    return batch((it) {
+      it.insertAll(
+        reactions,
+        reactionList.map((r) => r.toEntity()).toList(),
+        mode: InsertMode.insertOrReplace,
+      );
+    });
+  }
+}