72 lines
2.1 KiB
Dart
72 lines
2.1 KiB
Dart
import 'package:json_annotation/json_annotation.dart';
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import 'package:stream_chat/src/models/channel_model.dart';
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import 'package:stream_chat/src/models/member.dart';
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import 'package:stream_chat/src/models/message.dart';
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import 'package:stream_chat/src/models/read.dart';
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import 'package:stream_chat/src/models/user.dart';
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part 'channel_state.g.dart';
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/// The class that contains the information about a channel
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@JsonSerializable()
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class ChannelState {
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/// Constructor used for json serialization
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ChannelState({
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this.channel,
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this.messages = const [],
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this.members = const [],
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this.pinnedMessages = const [],
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this.watcherCount,
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this.watchers = const [],
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this.read = const [],
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});
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/// The channel to which this state belongs
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final ChannelModel? channel;
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/// A paginated list of channel messages
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final List<Message> messages;
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/// A paginated list of channel members
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final List<Member?> members;
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/// A paginated list of pinned messages
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final List<Message> pinnedMessages;
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/// The count of users watching the channel
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final int? watcherCount;
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/// A paginated list of users watching the channel
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final List<User> watchers;
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/// The list of channel reads
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final List<Read> read;
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/// Create a new instance from a json
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static ChannelState fromJson(Map<String, dynamic> json) =>
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_$ChannelStateFromJson(json);
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/// Serialize to json
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Map<String, dynamic> toJson() => _$ChannelStateToJson(this);
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/// Creates a copy of [ChannelState] with specified attributes overridden.
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ChannelState copyWith({
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ChannelModel? channel,
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List<Message>? messages,
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List<Member?>? members,
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List<Message>? pinnedMessages,
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int? watcherCount,
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List<User>? watchers,
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List<Read>? read,
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}) =>
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ChannelState(
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channel: channel ?? this.channel,
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messages: messages ?? this.messages,
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members: members ?? this.members,
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pinnedMessages: pinnedMessages ?? this.pinnedMessages,
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watcherCount: watcherCount ?? this.watcherCount,
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watchers: watchers ?? this.watchers,
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read: read ?? this.read,
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);
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}
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