Channel link autocomplete

lib/api/model/events.dart

@@ -616,9 +616,21 @@ class ChannelDeleteEvent extends ChannelEvent {
   @JsonKey(includeToJson: true)
   String get op => 'delete';
 
-  final List<ZulipStream> streams;
+  @JsonKey(name: 'stream_ids', readValue: _readChannelIds)
+  final List<int> channelIds;
+
+  // TODO(server-10) simplify away; rely on stream_ids
+  static List<int> _readChannelIds(Map<dynamic, dynamic> json, String key) {
+    final channelIds = json['stream_ids'] as List<dynamic>?;
+    if (channelIds != null) return channelIds.map((id) => id as int).toList();
+
+    final channels = json['streams'] as List<dynamic>;
+    return channels
+      .map((c) => (c as Map<String, dynamic>)['stream_id'] as int)
+      .toList();
+  }
 
-  ChannelDeleteEvent({required super.id, required this.streams});
+  ChannelDeleteEvent({required super.id, required this.channelIds});
 
   factory ChannelDeleteEvent.fromJson(Map<String, dynamic> json) =>
     _$ChannelDeleteEventFromJson(json);
@@ -691,6 +703,8 @@ class ChannelUpdateEvent extends ChannelEvent {
       case ChannelPropertyName.canSendMessageGroup:
       case ChannelPropertyName.canSubscribeGroup:
         return GroupSettingValue.fromJson(value);
+      case ChannelPropertyName.isRecentlyActive:
+        return value as bool;
       case ChannelPropertyName.streamWeeklyTraffic:
         return value as int?;
       case null:

lib/api/model/initial_snapshot.dart

@@ -24,6 +24,8 @@ class InitialSnapshot {
 
   final List<CustomProfileField> customProfileFields;
 
+  @JsonKey(name: 'max_stream_name_length')
+  final int maxChannelNameLength;
   final int maxTopicLength;
 
   final int serverPresencePingIntervalSeconds;
@@ -160,6 +162,7 @@ class InitialSnapshot {
     required this.zulipMergeBase,
     required this.alertWords,
     required this.customProfileFields,
+    required this.maxChannelNameLength,
     required this.maxTopicLength,
     required this.serverPresencePingIntervalSeconds,
     required this.serverPresenceOfflineThresholdSeconds,

lib/api/model/model.dart

@@ -669,6 +669,7 @@ class ZulipStream {
   GroupSettingValue? canSendMessageGroup; // TODO(server-10)
   GroupSettingValue? canSubscribeGroup; // TODO(server-10)
 
+  bool? isRecentlyActive; // TODO(server-10)
   // TODO(server-8): added in FL 199, was previously only on [Subscription] objects
   int? streamWeeklyTraffic;
 
@@ -691,6 +692,7 @@ class ZulipStream {
     required this.canDeleteOwnMessageGroup,
     required this.canSendMessageGroup,
     required this.canSubscribeGroup,
+    required this.isRecentlyActive,
     required this.streamWeeklyTraffic,
   });
 
@@ -715,6 +717,7 @@ class ZulipStream {
       canDeleteOwnMessageGroup: subscription.canDeleteOwnMessageGroup,
       canSendMessageGroup: subscription.canSendMessageGroup,
       canSubscribeGroup: subscription.canSubscribeGroup,
+      isRecentlyActive: subscription.isRecentlyActive,
       streamWeeklyTraffic: subscription.streamWeeklyTraffic,
     );
   }
@@ -752,6 +755,7 @@ enum ChannelPropertyName {
   canDeleteOwnMessageGroup,
   canSendMessageGroup,
   canSubscribeGroup,
+  isRecentlyActive,
   streamWeeklyTraffic;
 
   /// Get a [ChannelPropertyName] from a raw, snake-case string we recognize, else null.
@@ -837,6 +841,7 @@ class Subscription extends ZulipStream {
     required super.canDeleteOwnMessageGroup,
     required super.canSendMessageGroup,
     required super.canSubscribeGroup,
+    required super.isRecentlyActive,
     required super.streamWeeklyTraffic,
     required this.desktopNotifications,
     required this.emailNotifications,