Add support for Piefed events.

lib/l10n/app_en.arb

@@ -616,6 +616,16 @@
       }
     }
   },
+  "event": "Event",
+  "eventMode": "Event Mode",
+  "eventMode_free": "Free",
+  "eventMode_restricted": "Restricted",
+  "eventMode_external": "External",
+  "eventMode_invite": "Invite",
+  "eventOnline": "Online Event",
+  "eventAddEnd": "Add end date",
+  "eventError_start": "The start date/time is required to be after the current date/time.",
+  "eventError_end": "The end date/time is required to be before the start date/time.",
   "action_setLocation": "Set Action Location",
   "action_hide": "Hide",
   "action_appBar": "App Bar",

lib/src/api/threads.dart

@@ -1,14 +1,12 @@
 import 'package:collection/collection.dart';
-import 'package:http/http.dart' as http;
-import 'package:http_parser/http_parser.dart';
 import 'package:image_picker/image_picker.dart';
 import 'package:interstellar/src/api/client.dart';
 import 'package:interstellar/src/api/feed_source.dart';
 import 'package:interstellar/src/controller/server.dart';
+import 'package:interstellar/src/models/event.dart';
 import 'package:interstellar/src/models/post.dart';
 import 'package:interstellar/src/utils/models.dart';
 import 'package:interstellar/src/utils/utils.dart';
-import 'package:mime/mime.dart';
 
 const Map<FeedSort, String> lemmyFeedSortMap = {
   FeedSort.active: 'Active',
@@ -534,6 +532,59 @@ class APIThreads {
     }
   }
 
+  Future<PostModel> createEvent(
+    int communityId, {
+    required String title,
+    required bool isOc,
+    required String body,
+    required String lang,
+    required bool isAdult,
+    required DateTime startDate,
+    required DateTime endDate,
+    required String timezone,
+    String? onlineUrl,
+    JoinMode joinMode = JoinMode.free,
+    bool online = true,
+    String feeCurrency = 'USD',
+    int fee = 0,
+  }) async {
+    switch (client.software) {
+      case ServerSoftware.mbin:
+        throw UnimplementedError('Polls are unsupported on mbin');
+
+      case ServerSoftware.lemmy:
+        throw UnimplementedError('Polls are unsupported on lemmy');
+
+      case ServerSoftware.piefed:
+        const path = '/post';
+        final response = await client.post(
+          path,
+          body: {
+            'title': title,
+            'community_id': communityId,
+            'body': body,
+            'nsfw': isAdult,
+            'language_id': await client.languageIdFromCode(lang),
+            'event': {
+              'start': startDate.toUtc().toIso8601String(),
+              'end': endDate.toUtc().toIso8601String(),
+              'timezone': timezone,
+              'online_link': ?onlineUrl,
+              'join_mode': joinMode.name,
+              'online': online,
+              'event_fee_currency': feeCurrency,
+              'event_fee_amount': fee,
+            },
+          },
+        );
+
+        return PostModel.fromPiefed(
+          response.bodyJson,
+          langCodeIdPairs: await client.languageCodeIdPairs(),
+        );
+    }
+  }
+
   Future<void> report(int postId, String reason) async {
     switch (client.software) {
       case ServerSoftware.mbin:

lib/src/models/event.dart

@@ -0,0 +1,64 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:interstellar/src/utils/models.dart';
+import 'package:interstellar/src/utils/utils.dart';
+
+part 'event.freezed.dart';
+part 'event.g.dart';
+
+@freezed
+abstract class LocationModel with _$LocationModel {
+  const factory LocationModel({
+    required String address,
+    required String city,
+    required String country,
+  }) = _LocationModel;
+
+  factory LocationModel.fromJson(JsonMap json) => _$LocationModelFromJson(json);
+}
+
+enum JoinMode { free, restricted, external, invite }
+
+@freezed
+abstract class EventModel with _$EventModel {
+  const factory EventModel({
+    required int postId,
+    required DateTime start,
+    required DateTime? end,
+    required String? timezone,
+    required int maxAttendees,
+    required int participantCount,
+    required bool full,
+    required Uri? onlineUrl,
+    required JoinMode joinMode,
+    required String? externalParticipationUrl,
+    required bool anonymousParticipation,
+    required bool online,
+    required String? buyTicketsUrl,
+    required String eventFeeCurrency,
+    required int eventFee,
+    required LocationModel? location,
+  }) = _EventModel;
+
+  factory EventModel.fromPiefed(int postId, JsonMap json) => EventModel(
+    postId: postId,
+    start: DateTime.parse(json['start']! as String),
+    end: optionalDateTime(json['end'] as String?),
+    timezone: json['timezone'] as String?,
+    maxAttendees: json['max_attendees'] as int? ?? 0,
+    participantCount: json['participant_count'] as int? ?? 0,
+    full: json['full'] as bool? ?? false,
+    onlineUrl: json['online_link'] == null
+        ? null
+        : Uri.parse(json['online_link']! as String),
+    joinMode: JoinMode.values.byName(json['join_mode'] as String? ?? 'free'),
+    externalParticipationUrl: json['external_participation_url'] as String?,
+    anonymousParticipation: json['anonymous_participation'] as bool? ?? false,
+    online: json['online'] as bool? ?? false,
+    buyTicketsUrl: json['buy_tickets_link'] as String?,
+    eventFeeCurrency: json['event_fee_currency'] as String? ?? 'USD',
+    eventFee: json['event_fee_amount'] as int? ?? 0,
+    location: json['location'] == null
+        ? null
+        : LocationModel.fromJson(json['location']! as JsonMap),
+  );
+}

lib/src/models/post.dart

@@ -3,6 +3,7 @@ import 'package:interstellar/src/controller/database/database.dart';
 import 'package:interstellar/src/models/community.dart';
 import 'package:interstellar/src/models/domain.dart';
 import 'package:interstellar/src/models/emoji_reaction.dart';
+import 'package:interstellar/src/models/event.dart';
 import 'package:interstellar/src/models/image.dart';
 import 'package:interstellar/src/models/notification.dart';
 import 'package:interstellar/src/models/poll.dart';
@@ -103,6 +104,7 @@ abstract class PostModel with _$PostModel {
     required List<PostModel> crossPosts,
     required List<Tag> flairs,
     required PollModel? poll,
+    required EventModel? event,
     required String? apId,
     required List<EmojiReactionModel>? emojiReactions,
   }) = _PostModel;
@@ -154,6 +156,7 @@ abstract class PostModel with _$PostModel {
         [],
     flairs: [],
     poll: null,
+    event: null,
     apId: json['apId'] as String?,
     emojiReactions: null,
   );
@@ -196,6 +199,7 @@ abstract class PostModel with _$PostModel {
     crossPosts: [],
     flairs: [],
     poll: null,
+    event: null,
     apId: json['apId'] as String?,
     emojiReactions: null,
   );
@@ -280,6 +284,7 @@ abstract class PostModel with _$PostModel {
           [],
       flairs: [],
       poll: null,
+      event: null,
       apId: lemmyPost['ap_id']! as String,
       emojiReactions: null,
     );
@@ -383,6 +388,12 @@ abstract class PostModel with _$PostModel {
               piefedPost['poll']! as Map<String, Object?>,
             )
           : null,
+      event: piefedPost['post_type'] == 'Event'
+          ? EventModel.fromPiefed(
+              piefedPost['id']! as int,
+              piefedPost['event']! as JsonMap,
+            )
+          : null,
       apId: piefedPost['ap_id']! as String,
       emojiReactions:
           (piefedPost['emoji_reactions'] as List<dynamic>?)

lib/src/screens/account/messages/message_item.dart

@@ -31,7 +31,9 @@ class MessageItem extends StatelessWidget {
         overflow: TextOverflow.ellipsis,
       ),
       leading: Avatar(messageUser.avatar),
-      trailing: Text('${dateDiffFormat(item.messages.first.createdAt)} ago'),
+      trailing: Text(
+        '${dateDiffFormat(start: item.messages.first.createdAt)} ago',
+      ),
       onTap: onClick,
     );
   }