50 lines
1.8 KiB
Dart
50 lines
1.8 KiB
Dart
import 'package:moor/moor.dart';
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import 'package:stream_chat/stream_chat.dart';
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import 'package:stream_chat_persistence/src/db/moor_chat_database.dart';
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import 'package:stream_chat_persistence/src/entity/members.dart';
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import 'package:stream_chat_persistence/src/entity/users.dart';
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import 'package:stream_chat_persistence/src/mapper/mapper.dart';
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part 'member_dao.g.dart';
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/// The Data Access Object for operations in [Members] table.
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@UseDao(tables: [Members, Users])
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class MemberDao extends DatabaseAccessor<MoorChatDatabase>
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with _$MemberDaoMixin {
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/// Creates a new member dao instance
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MemberDao(MoorChatDatabase db) : super(db);
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/// Get all members where [Members.channelCid] matches [cid]
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Future<List<Member>> getMembersByCid(String cid) async =>
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(select(members).join([
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leftOuterJoin(users, members.userId.equalsExp(users.id)),
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])
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..where(members.channelCid.equals(cid))
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..orderBy([OrderingTerm.asc(members.createdAt)]))
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.map((row) {
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final userEntity = row.readTable(users);
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final memberEntity = row.readTable(members);
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return memberEntity.toMember(user: userEntity.toUser());
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}).get();
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/// Updates all the members using the new [memberList] data
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Future<void> updateMembers(String cid, List<Member> memberList) async =>
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batch(
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(it) => it.insertAll(
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members,
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memberList.map((m) => m.toEntity(cid: cid)).toList(),
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mode: InsertMode.insertOrReplace,
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),
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);
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/// Deletes all the members whose [Members.channelCid] is present in [cids]
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Future<void> deleteMemberByCids(List<String> cids) async => batch((it) {
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it.deleteWhere<Members, MemberEntity>(
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members,
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(m) => m.channelCid.isIn(cids),
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);
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});
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}
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