Remove flutter chat (#26)

Had to squash merge manually as Forgejo was erroring

lib/models/content/avatar.dart

@@ -0,0 +1,14 @@
+import "package:freezed_annotation/freezed_annotation.dart";
+import "package:nexus/models/content/content.dart";
+import "package:nexus/models/info/image.dart";
+part "avatar.freezed.dart";
+part "avatar.g.dart";
+
+@freezed
+abstract class AvatarContent extends Content with _$AvatarContent {
+  AvatarContent._();
+  factory AvatarContent({ImageInfo? info, Uri? url}) = _AvatarContent;
+
+  factory AvatarContent.fromJson(Map<String, Object?> json) =>
+      _$AvatarContentFromJson(json);
+}

lib/models/content/canonical_alias.dart

@@ -0,0 +1,15 @@
+import "package:freezed_annotation/freezed_annotation.dart";
+import "package:nexus/models/content/content.dart";
+part "canonical_alias.freezed.dart";
+part "canonical_alias.g.dart";
+
+@freezed
+abstract class CanonicalAliasContent extends Content
+    with _$CanonicalAliasContent {
+  CanonicalAliasContent._();
+  factory CanonicalAliasContent({String? alias, @Default([]) altAliases}) =
+      _CanonicalAliasContent;
+
+  factory CanonicalAliasContent.fromJson(Map<String, Object?> json) =>
+      _$CanonicalAliasContentFromJson(json);
+}

lib/models/content/content.dart

@@ -0,0 +1,61 @@
+import "package:collection/collection.dart";
+import "package:nexus/models/content/avatar.dart";
+import "package:nexus/models/content/canonical_alias.dart";
+import "package:nexus/models/content/create.dart";
+import "package:nexus/models/content/encryption.dart";
+import "package:nexus/models/content/join_rules.dart";
+import "package:nexus/models/content/membership.dart";
+import "package:nexus/models/content/message.dart";
+import "package:nexus/models/content/name.dart";
+import "package:nexus/models/content/pinned_events.dart";
+import "package:nexus/models/content/power_levels.dart";
+import "package:nexus/models/content/reaction.dart";
+import "package:nexus/models/content/encrypted.dart";
+import "package:nexus/models/content/redaction.dart";
+import "package:nexus/models/content/server_acl.dart";
+import "package:nexus/models/content/topic.dart";
+
+class Content {
+  final Error? parseError;
+  Content({this.parseError});
+
+  factory Content.fromJson(Map<String, dynamic> json) => Content();
+  Map<String, dynamic> toJson() => {};
+
+  static Map<String, dynamic> readValue(Map<dynamic, dynamic> json, _) =>
+      json["decrypted"] ?? json["content"];
+
+  static Content fromEventJson(Map<String, dynamic> json, String type) {
+    try {
+      return (EventType.values
+              .firstWhereOrNull((eventType) => eventType.type == type)
+              ?.contentFromJson ??
+          Content.fromJson)(json);
+    } catch (error) {
+      if (error is Error) return Content(parseError: error);
+      rethrow;
+    }
+  }
+}
+
+enum EventType {
+  encrypted("m.room.encrypted", EncryptedContent.fromJson),
+  redaction("m.room.redaction", RedactionContent.fromJson),
+  encryption("m.room.encryption", EncryptionContent.fromJson),
+  membership("m.room.member", MembershipContent.fromJson),
+  create("m.room.create", CreateContent.fromJson),
+  canonicalAlias("m.room.canonical_alias", CanonicalAliasContent.fromJson),
+  joinRules("m.room.join_rules", JoinRulesContent.fromJson),
+  powerLevels("m.room.power_levels", PowerLevelsContent.fromJson),
+  serverACL("m.room.server_acl", ServerACLContent.fromJson),
+  avatar("m.room.avatar", AvatarContent.fromJson),
+  topic("m.room.topic", TopicContent.fromJson),
+  name("m.room.name", NameContent.fromJson),
+  reaction("m.reaction", ReactionContent.fromJson),
+  pinnedEvents("m.room.pinned_events", PinnedEventsContent.fromJson),
+  message("m.room.message", MessageContent.fromJson);
+
+  final String type;
+  final Content Function(Map<String, dynamic> json) contentFromJson;
+  const EventType(this.type, this.contentFromJson);
+}

lib/models/content/create.dart

@@ -0,0 +1,41 @@
+import "package:fast_immutable_collections/fast_immutable_collections.dart";
+import "package:freezed_annotation/freezed_annotation.dart";
+import "package:nexus/models/content/content.dart";
+part "create.freezed.dart";
+part "create.g.dart";
+
+@freezed
+abstract class CreateContent extends Content with _$CreateContent {
+  CreateContent._();
+  factory CreateContent({
+    @JsonKey(name: "creator") String? creatorId,
+
+    @JsonKey(name: "additional_creators")
+    @Default(IList.empty())
+    IList<String> additionalCreatorIds,
+
+    PreviousRoom? predecessor,
+
+    @JsonKey(name: "m.federate") @Default(true) bool federated,
+
+    @Default("1") String roomVersion,
+    @JsonKey(unknownEnumValue: RoomType.room) RoomType? type,
+  }) = _CreateContent;
+
+  factory CreateContent.fromJson(Map<String, Object?> json) =>
+      _$CreateContentFromJson(json);
+}
+
+enum RoomType {
+  room,
+  @JsonValue("m.space")
+  space,
+}
+
+@freezed
+abstract class PreviousRoom with _$PreviousRoom {
+  const factory PreviousRoom({required String roomId}) = _PreviousRoom;
+
+  factory PreviousRoom.fromJson(Map<String, Object?> json) =>
+      _$PreviousRoomFromJson(json);
+}

lib/models/content/encrypted.dart

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+import "package:freezed_annotation/freezed_annotation.dart";
+import "package:nexus/models/content/content.dart";
+part "encrypted.freezed.dart";
+part "encrypted.g.dart";
+
+@freezed
+abstract class EncryptedContent extends Content with _$EncryptedContent {
+  EncryptedContent._();
+  factory EncryptedContent() = _EncryptedContent;
+
+  factory EncryptedContent.fromJson(Map<String, Object?> json) =>
+      _$EncryptedContentFromJson(json);
+}

lib/models/content/encryption.dart

@@ -0,0 +1,23 @@
+import "package:freezed_annotation/freezed_annotation.dart";
+import "package:nexus/models/content/content.dart";
+part "encryption.freezed.dart";
+part "encryption.g.dart";
+
+@freezed
+abstract class EncryptionContent extends Content with _$EncryptionContent {
+  EncryptionContent._();
+  factory EncryptionContent({
+    required String algorithm,
+
+    @JsonKey(name: "rotation_period_ms")
+    @Default(604800000)
+    int rotationPeriodMS,
+
+    @JsonKey(name: "rotation_period_msgs")
+    @Default(100)
+    int rotationPeriodMessages,
+  }) = _EncryptionContent;
+
+  factory EncryptionContent.fromJson(Map<String, Object?> json) =>
+      _$EncryptionContentFromJson(json);
+}

lib/models/content/join_rules.dart

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+import "package:fast_immutable_collections/fast_immutable_collections.dart";
+import "package:freezed_annotation/freezed_annotation.dart";
+import "package:nexus/models/content/content.dart";
+import "package:nexus/models/join_rule.dart";
+part "join_rules.freezed.dart";
+part "join_rules.g.dart";
+
+@freezed
+abstract class JoinRulesContent extends Content with _$JoinRulesContent {
+  JoinRulesContent._();
+  factory JoinRulesContent({
+    required JoinRule joinRule,
+    @Default(IList.empty()) IList<AllowCondition> allow,
+  }) = _JoinRulesContent;
+
+  factory JoinRulesContent.fromJson(Map<String, Object?> json) =>
+      _$JoinRulesContentFromJson(json);
+}
+
+@freezed
+abstract class AllowCondition with _$AllowCondition {
+  const factory AllowCondition({
+    String? roomId,
+    required AllowConditionType type,
+  }) = _AllowCondition;
+
+  factory AllowCondition.fromJson(Map<String, Object?> json) =>
+      _$AllowConditionFromJson(json);
+}
+
+enum AllowConditionType {
+  @JsonValue("m.room_membership")
+  membership,
+}

lib/models/content/membership.dart

@@ -0,0 +1,19 @@
+import "package:freezed_annotation/freezed_annotation.dart";
+import "package:nexus/models/content/content.dart";
+import "package:nexus/models/membership_status.dart";
+part "membership.freezed.dart";
+part "membership.g.dart";
+
+@freezed
+abstract class MembershipContent extends Content with _$MembershipContent {
+  MembershipContent._();
+  factory MembershipContent({
+    @JsonKey(name: "displayname") required String? displayName,
+    @JsonKey(name: "membership") required MembershipStatus status,
+    Uri? avatarUrl,
+    String? reason,
+  }) = _MembershipContent;
+
+  factory MembershipContent.fromJson(Map<String, Object?> json) =>
+      _$MembershipContentFromJson(json);
+}

lib/models/content/message.dart

@@ -0,0 +1,92 @@
+import "package:freezed_annotation/freezed_annotation.dart";
+import "package:nexus/models/info/audio.dart";
+import "package:nexus/models/content/content.dart";
+import "package:nexus/models/info/file.dart";
+import "package:nexus/models/info/image.dart";
+import "package:nexus/models/info/video.dart";
+part "message.freezed.dart";
+part "message.g.dart";
+
+@Freezed(unionKey: "msgtype", fallbackUnion: "default")
+abstract class MessageContent extends Content with _$MessageContent {
+  MessageContent._();
+  factory MessageContent({required String body}) = UnknownMessageContent;
+
+  @FreezedUnionValue("m.text")
+  factory MessageContent.text({
+    required String body,
+    MessageFormat? format,
+    String? formattedBody,
+  }) = TextMessageContent;
+
+  @FreezedUnionValue("m.notice")
+  factory MessageContent.notice({
+    required String body,
+    MessageFormat? format,
+    String? formattedBody,
+  }) = NoticeMessageContent;
+
+  @FreezedUnionValue("m.emote")
+  factory MessageContent.emote({
+    required String body,
+    MessageFormat? format,
+    String? formattedBody,
+  }) = EmoteMessageContent;
+
+  @FreezedUnionValue("m.image")
+  factory MessageContent.image({
+    required String body,
+    MessageFormat? format,
+    String? formattedBody,
+    // EncryptedFile? file
+    String? filename,
+    ImageInfo? info,
+    Uri? url,
+  }) = ImageMessageContent;
+
+  @FreezedUnionValue("m.file")
+  factory MessageContent.file({
+    required String body,
+    MessageFormat? format,
+    String? formattedBody,
+    // EncryptedFile? file
+    String? filename,
+    FileInfo? info,
+    Uri? url,
+  }) = FileMessageContent;
+
+  @FreezedUnionValue("m.audio")
+  factory MessageContent.audio({
+    required String body,
+    MessageFormat? format,
+    String? formattedBody,
+    // EncryptedFile? file
+    String? filename,
+    AudioInfo? info,
+    Uri? url,
+  }) = AudioMessageContent;
+
+  @FreezedUnionValue("m.video")
+  factory MessageContent.video({
+    required String body,
+    MessageFormat? format,
+    String? formattedBody,
+    // EncryptedFile? file
+    String? filename,
+    VideoInfo? info,
+    Uri? url,
+  }) = VideoMessageContent;
+
+  @FreezedUnionValue("m.location")
+  factory MessageContent.location({required String body, required Uri geoUri}) =
+      LocationMessageContent;
+
+  factory MessageContent.fromJson(Map<String, Object?> json) =>
+      _$MessageContentFromJson(json);
+}
+
+@JsonEnum()
+enum MessageFormat {
+  @JsonValue("org.matrix.custom.html")
+  html,
+}

lib/models/content/name.dart

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+import "package:freezed_annotation/freezed_annotation.dart";
+import "package:nexus/models/content/content.dart";
+part "name.freezed.dart";
+part "name.g.dart";
+
+@freezed
+abstract class NameContent extends Content with _$NameContent {
+  NameContent._();
+  factory NameContent({required String name}) = _NameContent;
+
+  factory NameContent.fromJson(Map<String, Object?> json) =>
+      _$NameContentFromJson(json);
+}

lib/models/content/pinned_events.dart

@@ -0,0 +1,15 @@
+import "package:fast_immutable_collections/fast_immutable_collections.dart";
+import "package:freezed_annotation/freezed_annotation.dart";
+import "package:nexus/models/content/content.dart";
+part "pinned_events.freezed.dart";
+part "pinned_events.g.dart";
+
+@freezed
+abstract class PinnedEventsContent extends Content with _$PinnedEventsContent {
+  PinnedEventsContent._();
+  factory PinnedEventsContent({@Default(IList.empty()) IList<String> pinned}) =
+      _PinnedEventsContent;
+
+  factory PinnedEventsContent.fromJson(Map<String, Object?> json) =>
+      _$PinnedEventsContentFromJson(json);
+}

lib/models/content/power_levels.dart

@@ -0,0 +1,36 @@
+import "package:fast_immutable_collections/fast_immutable_collections.dart";
+import "package:freezed_annotation/freezed_annotation.dart";
+import "package:nexus/models/content/content.dart";
+part "power_levels.freezed.dart";
+part "power_levels.g.dart";
+
+@freezed
+abstract class PowerLevelsContent extends Content with _$PowerLevelsContent {
+  PowerLevelsContent._();
+  factory PowerLevelsContent({
+    @Default(IMap.empty()) IMap<String, int> events,
+    @Default(IMap.empty()) IMap<String, int> users,
+    Notifications? notifications,
+    @Default(50) int ban,
+    @Default(0) int eventsDefault,
+    @Default(0) int invite,
+    @Default(50) int kick,
+    @Default(50) int redact,
+    @Default(50) int stateDefault,
+    @Default(0) int usersDefault,
+  }) = _PowerLevelsContent;
+
+  factory PowerLevelsContent.fromJson(Map<String, Object?> json) =>
+      _$PowerLevelsContentFromJson(json);
+}
+
+@freezed
+abstract class Notifications with _$Notifications {
+  const factory Notifications({
+    @Default(50) int room,
+    @Default(IMapConst({})) IMap<String, int> other,
+  }) = _Notifications;
+
+  factory Notifications.fromJson(Map<String, Object?> json) =>
+      _$NotificationsFromJson(json);
+}

lib/models/content/reaction.dart

@@ -0,0 +1,18 @@
+import "package:freezed_annotation/freezed_annotation.dart";
+import "package:nexus/models/content/content.dart";
+part "reaction.freezed.dart";
+part "reaction.g.dart";
+
+@freezed
+abstract class ReactionContent extends Content with _$ReactionContent {
+  ReactionContent._();
+  static String? keyJsonFromJson(Map<dynamic, dynamic> json, String key) =>
+      json["m.relates_to"]?["key"];
+
+  factory ReactionContent({
+    @JsonKey(readValue: ReactionContent.keyJsonFromJson) String? key,
+  }) = _ReactionContent;
+
+  factory ReactionContent.fromJson(Map<String, Object?> json) =>
+      _$ReactionContentFromJson(json);
+}

lib/models/content/redaction.dart

@@ -0,0 +1,14 @@
+import "package:freezed_annotation/freezed_annotation.dart";
+import "package:nexus/models/content/content.dart";
+part "redaction.freezed.dart";
+part "redaction.g.dart";
+
+@freezed
+abstract class RedactionContent extends Content with _$RedactionContent {
+  RedactionContent._();
+  factory RedactionContent({String? reason, String? redacts}) =
+      _RedactionContent;
+
+  factory RedactionContent.fromJson(Map<String, Object?> json) =>
+      _$RedactionContentFromJson(json);
+}

lib/models/content/server_acl.dart

@@ -0,0 +1,18 @@
+import "package:fast_immutable_collections/fast_immutable_collections.dart";
+import "package:freezed_annotation/freezed_annotation.dart";
+import "package:nexus/models/content/content.dart";
+part "server_acl.freezed.dart";
+part "server_acl.g.dart";
+
+@freezed
+abstract class ServerACLContent extends Content with _$ServerACLContent {
+  ServerACLContent._();
+  factory ServerACLContent({
+    @Default(IList.empty()) IList<String> allow,
+    @Default(IList.empty()) IList<String> deny,
+    @Default(true) allowIpLiterals,
+  }) = _ServerACLContent;
+
+  factory ServerACLContent.fromJson(Map<String, Object?> json) =>
+      _$ServerACLContentFromJson(json);
+}

lib/models/content/topic.dart

@@ -0,0 +1,40 @@
+import "package:fast_immutable_collections/fast_immutable_collections.dart";
+import "package:freezed_annotation/freezed_annotation.dart";
+import "package:nexus/models/content/content.dart";
+part "topic.freezed.dart";
+part "topic.g.dart";
+
+@freezed
+abstract class TopicContent extends Content with _$TopicContent {
+  TopicContent._();
+  factory TopicContent({
+    required String topic,
+    @JsonKey(name: "m.topic") TopicContentBlock? content,
+  }) = _TopicContent;
+
+  factory TopicContent.fromJson(Map<String, Object?> json) =>
+      _$TopicContentFromJson(json);
+}
+
+@freezed
+abstract class TopicContentBlock with _$TopicContentBlock {
+  factory TopicContentBlock({
+    @Default(IList.empty())
+    @JsonKey(name: "m.text")
+    IList<TextualRepresentation> representations,
+  }) = _TopicContentBlock;
+
+  factory TopicContentBlock.fromJson(Map<String, Object?> json) =>
+      _$TopicContentBlockFromJson(json);
+}
+
+@freezed
+abstract class TextualRepresentation with _$TextualRepresentation {
+  factory TextualRepresentation({
+    required String body,
+    @Default("text/plain") String mimetype,
+  }) = _TextualRepresentation;
+
+  factory TextualRepresentation.fromJson(Map<String, Object?> json) =>
+      _$TextualRepresentationFromJson(json);
+}