[StreamChatPersistence] Add initial implementation

Signed-off-by: Sahil Kumar <[email protected]>

packages/stream_chat_persistence/lib/src/mapper/channel_mapper.dart

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+import 'package:stream_chat/stream_chat.dart';
+import 'user_mapper.dart';
+import 'package:stream_chat_persistence/src/db/moor_chat_database.dart';
+
+///
+extension ChannelEntityX on ChannelEntity {
+  ///
+  ChannelModel toChannelModel({User createdBy}) {
+    final config = ChannelConfig.fromJson(this.config ?? {});
+    return ChannelModel(
+      id: id,
+      config: config,
+      type: type,
+      frozen: frozen,
+      createdAt: createdAt,
+      updatedAt: updatedAt,
+      memberCount: memberCount,
+      cid: cid,
+      lastMessageAt: lastMessageAt,
+      deletedAt: deletedAt,
+      extraData: extraData,
+      createdBy: createdBy,
+    );
+  }
+
+  ///
+  ChannelState toChannelState({
+    User createdBy,
+    List<Member> members,
+    List<Read> reads,
+    List<Message> messages,
+  }) {
+    return ChannelState(
+      members: members,
+      read: reads,
+      messages: messages,
+      channel: toChannelModel(createdBy: createdBy),
+    );
+  }
+}
+
+///
+extension ChannelModelX on ChannelModel {
+  ///
+  ChannelEntity toEntity() {
+    return ChannelEntity(
+      id: id,
+      type: type,
+      cid: cid,
+      config: config.toJson(),
+      frozen: frozen,
+      lastMessageAt: lastMessageAt,
+      createdAt: createdAt,
+      updatedAt: updatedAt,
+      deletedAt: deletedAt,
+      memberCount: memberCount,
+      createdById: createdBy.id,
+      extraData: extraData,
+    );
+  }
+}

packages/stream_chat_persistence/lib/src/mapper/event_mapper.dart

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+import 'package:stream_chat/stream_chat.dart';
+import 'user_mapper.dart';
+import 'package:stream_chat_persistence/src/db/moor_chat_database.dart';
+
+///
+extension ConnectionEventX on ConnectionEventEntity {
+  ///
+  Event toEvent({User user}) {
+    return Event(
+      me: user,
+      totalUnreadCount: totalUnreadCount,
+      unreadChannels: unreadChannels,
+    );
+  }
+}

packages/stream_chat_persistence/lib/src/mapper/mapper.dart

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+export 'user_mapper.dart';
+export 'reaction_mapper.dart';
+export 'channel_mapper.dart';
+export 'event_mapper.dart';
+export 'member_mapper.dart';
+export 'read_mapper.dart';
+export 'message_mapper.dart';

packages/stream_chat_persistence/lib/src/mapper/member_mapper.dart

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+import 'package:stream_chat/stream_chat.dart';
+import 'package:stream_chat_persistence/src/db/moor_chat_database.dart';
+import 'user_mapper.dart';
+
+///
+extension MemberEntityX on MemberEntity {
+  ///
+  Member toMember({User user}) {
+    return Member(
+      user: user,
+      userId: userId,
+      banned: banned,
+      shadowBanned: shadowBanned,
+      updatedAt: updatedAt,
+      createdAt: createdAt,
+      role: role,
+      inviteAcceptedAt: inviteAcceptedAt,
+      invited: invited,
+      inviteRejectedAt: inviteRejectedAt,
+      isModerator: isModerator,
+    );
+  }
+}
+
+///
+extension MemberX on Member {
+  ///
+  MemberEntity toEntity({String cid}) {
+    return MemberEntity(
+      userId: user?.id,
+      banned: banned,
+      shadowBanned: shadowBanned,
+      channelCid: cid,
+      createdAt: createdAt,
+      isModerator: isModerator,
+      inviteRejectedAt: inviteRejectedAt,
+      invited: invited,
+      inviteAcceptedAt: inviteAcceptedAt,
+      role: role,
+      updatedAt: updatedAt,
+    );
+  }
+}

packages/stream_chat_persistence/lib/src/mapper/message_mapper.dart

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+import 'dart:convert';
+
+import 'package:stream_chat/stream_chat.dart';
+import 'package:stream_chat_persistence/src/db/moor_chat_database.dart';
+
+///
+extension MessageEntityX on MessageEntity {
+  ///
+  Message toMessage({
+    User user,
+    List<Reaction> latestReactions,
+    List<Reaction> ownReactions,
+    Message quotedMessage,
+  }) {
+    return Message(
+      shadowed: shadowed,
+      latestReactions: latestReactions,
+      ownReactions: ownReactions,
+      attachments: attachments?.map((it) {
+        final json = jsonDecode(it);
+        return Attachment.fromJson(json);
+      })?.toList(),
+      createdAt: createdAt,
+      extraData: extraData,
+      updatedAt: updatedAt,
+      id: id,
+      type: type,
+      status: status,
+      command: command,
+      parentId: parentId,
+      quotedMessageId: quotedMessageId,
+      quotedMessage: quotedMessage,
+      reactionCounts: reactionCounts,
+      reactionScores: reactionScores,
+      replyCount: replyCount,
+      showInChannel: showInChannel,
+      text: messageText,
+      user: user,
+      deletedAt: deletedAt,
+    );
+  }
+}
+
+///
+extension MessageX on Message {
+  ///
+  MessageEntity toEntity({String cid}) {
+    return MessageEntity(
+      id: id,
+      attachments: attachments.map((it) => jsonEncode(it)).toList(),
+      channelCid: cid,
+      type: type,
+      parentId: parentId,
+      quotedMessageId: quotedMessageId,
+      command: command,
+      createdAt: createdAt,
+      shadowed: shadowed,
+      showInChannel: showInChannel,
+      replyCount: replyCount,
+      reactionScores: reactionScores,
+      reactionCounts: reactionCounts,
+      status: status,
+      updatedAt: updatedAt,
+      extraData: extraData,
+      userId: user?.id,
+      deletedAt: deletedAt,
+      messageText: text,
+    );
+  }
+}

packages/stream_chat_persistence/lib/src/mapper/reaction_mapper.dart

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+import 'package:stream_chat/stream_chat.dart';
+import 'package:stream_chat_persistence/src/db/moor_chat_database.dart';
+
+///
+extension ReactionEntityX on ReactionEntity {
+  ///
+  Reaction toReaction({User user}) {
+    return Reaction(
+      extraData: extraData,
+      type: type,
+      createdAt: createdAt,
+      userId: userId,
+      user: user,
+      messageId: messageId,
+      score: score,
+    );
+  }
+}
+
+///
+extension ReactionX on Reaction {
+  ///
+  ReactionEntity toEntity() {
+    return ReactionEntity(
+      extraData: extraData,
+      type: type,
+      createdAt: createdAt,
+      userId: userId,
+      messageId: messageId,
+      score: score,
+    );
+  }
+}

packages/stream_chat_persistence/lib/src/mapper/read_mapper.dart

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+import 'package:stream_chat/stream_chat.dart';
+import 'package:stream_chat_persistence/src/db/moor_chat_database.dart';
+import 'user_mapper.dart';
+
+///
+extension ReadEntityX on ReadEntity {
+  ///
+  Read toRead({User user}) {
+    return Read(
+      user: user,
+      lastRead: lastRead,
+      unreadMessages: unreadMessages,
+    );
+  }
+}
+
+///
+extension ReadX on Read {
+  ///
+  ReadEntity toEntity({String cid}) {
+    return ReadEntity(
+      lastRead: lastRead,
+      userId: user?.id,
+      channelCid: cid,
+      unreadMessages: unreadMessages,
+    );
+  }
+}

packages/stream_chat_persistence/lib/src/mapper/user_mapper.dart

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+import 'package:stream_chat/stream_chat.dart';
+import 'package:stream_chat_persistence/src/db/moor_chat_database.dart';
+
+///
+extension UserEntityX on UserEntity {
+  ///
+  User toUser() {
+    return User(
+      id: id,
+      updatedAt: updatedAt,
+      role: role,
+      online: online,
+      lastActive: lastActive,
+      extraData: extraData,
+      banned: banned,
+      createdAt: createdAt,
+    );
+  }
+}
+
+///
+extension UserX on User {
+  ///
+  UserEntity toEntity() {
+    return UserEntity(
+      id: id,
+      role: role,
+      createdAt: createdAt,
+      updatedAt: updatedAt,
+      lastActive: lastActive,
+      online: online,
+      banned: banned,
+      extraData: extraData,
+    );
+  }
+}