73 lines
2.4 KiB
Dart
73 lines
2.4 KiB
Dart
import 'package:json_annotation/json_annotation.dart';
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import '../oauth_proxy_client.dart';
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import '../tracker_session_utils.dart';
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part 'mal_session.g.dart';
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/// Immutable MyAnimeList OAuth session.
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///
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/// Access tokens expire in ~31 days. Refresh token rotates with each refresh
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/// (rare but documented in MAL's API contract).
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@JsonSerializable(fieldRename: FieldRename.snake)
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class MalSession with EncodedTrackerSession {
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final String accessToken;
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final String refreshToken;
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final int expiresAt;
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final String? username;
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final int createdAt;
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const MalSession({
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required this.accessToken,
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required this.refreshToken,
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required this.expiresAt,
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required this.createdAt,
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this.username,
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});
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bool get isExpired => isTrackerTokenExpired(expiresAt);
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bool get needsRefresh => trackerTokenNeedsRefresh(expiresAt);
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MalSession copyWith({String? accessToken, String? refreshToken, int? expiresAt, String? username, int? createdAt}) {
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return MalSession(
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accessToken: accessToken ?? this.accessToken,
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refreshToken: refreshToken ?? this.refreshToken,
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expiresAt: expiresAt ?? this.expiresAt,
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username: username ?? this.username,
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createdAt: createdAt ?? this.createdAt,
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);
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}
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@override
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Map<String, dynamic> toJson() => _$MalSessionToJson(this);
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factory MalSession.fromJson(Map<String, dynamic> json) => _$MalSessionFromJson(json);
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/// Build a session from MAL's `/oauth2/token` response.
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factory MalSession.fromTokenResponse(Map<String, dynamic> json) {
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final createdAt = trackerSessionNowEpochSeconds();
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final expiresIn = (json['expires_in'] as num).toInt();
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return MalSession(
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accessToken: json['access_token'] as String,
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refreshToken: json['refresh_token'] as String,
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expiresAt: createdAt + expiresIn,
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createdAt: createdAt,
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);
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}
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/// Build a session from an OAuth-proxy result. MAL's refresh_token is
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/// required for the 31-day refresh loop.
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factory MalSession.fromProxyResult(OAuthProxyResult r) {
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final createdAt = trackerSessionNowEpochSeconds();
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final expiresIn = r.expiresIn ?? 31 * 24 * 60 * 60;
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return MalSession(
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accessToken: r.accessToken,
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refreshToken: r.refreshToken ?? '',
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expiresAt: createdAt + expiresIn,
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createdAt: createdAt,
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);
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}
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static MalSession decode(String raw) => decodeTrackerSessionJson(raw, MalSession.fromJson);
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}
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