Add extra profile metadata

lib/domain/profiles/profile.dart

@@ -1,5 +1,8 @@
+import 'dart:convert';
+
+import 'package:dartx/dartx.dart';
 import 'package:freezed_annotation/freezed_annotation.dart';
-import 'package:hiddify/domain/profiles/profiles.dart';
+import 'package:uuid/uuid.dart';
 
 part 'profile.freezed.dart';
 part 'profile.g.dart';
@@ -13,13 +16,127 @@ class Profile with _$Profile {
     required bool active,
     required String name,
     required String url,
-    SubscriptionInfo? subInfo,
-    Duration? updateInterval,
     required DateTime lastUpdate,
+    ProfileOptions? options,
+    SubscriptionInfo? subInfo,
+    ProfileExtra? extra,
   }) = _Profile;
 
-  bool get hasSubscriptionInfo => subInfo?.isValid ?? false;
+  // TODO add content disposition parsing
+  factory Profile.fromResponse(
+    String url,
+    Map<String, List<String>> headers,
+  ) {
+    final titleHeader = headers['profile-title']?.single;
+    var title = '';
+    if (titleHeader != null) {
+      if (titleHeader.startsWith("base64:")) {
+        // TODO handle errors
+        title =
+            utf8.decode(base64.decode(titleHeader.replaceFirst("base64:", "")));
+      } else {
+        title = titleHeader;
+      }
+    }
+    if (title.isEmpty) {
+      final part = url.split("/").lastOrNull;
+      if (part != null) {
+        final pattern = RegExp(r"\.(yaml|yml|txt)[\s\S]*");
+        title = part.replaceFirst(pattern, "");
+      }
+    }
+
+    final updateIntervalHeader = headers['profile-update-interval']?.single;
+    ProfileOptions? options;
+    if (updateIntervalHeader != null) {
+      final updateInterval = Duration(hours: int.parse(updateIntervalHeader));
+      options = ProfileOptions(updateInterval: updateInterval);
+    }
+
+    final subscriptionInfoHeader = headers['subscription-userinfo']?.single;
+    SubscriptionInfo? subInfo;
+    if (subscriptionInfoHeader != null) {
+      subInfo = SubscriptionInfo.fromResponseHeader(subscriptionInfoHeader);
+    }
+
+    final webPageUrlHeader = headers['profile-web-page-url']?.single;
+    final supportUrlHeader = headers['support-url']?.single;
+    ProfileExtra? extra;
+    if (webPageUrlHeader != null || supportUrlHeader != null) {
+      extra = ProfileExtra(
+        webPageUrl: webPageUrlHeader,
+        supportUrl: supportUrlHeader,
+      );
+    }
+
+    return Profile(
+      id: const Uuid().v4(),
+      active: false,
+      name: title,
+      url: url,
+      lastUpdate: DateTime.now(),
+      options: options,
+      subInfo: subInfo,
+      extra: extra,
+    );
+  }
 
   factory Profile.fromJson(Map<String, dynamic> json) =>
       _$ProfileFromJson(json);
 }
+
+@freezed
+class ProfileOptions with _$ProfileOptions {
+  const factory ProfileOptions({
+    required Duration updateInterval,
+  }) = _ProfileOptions;
+
+  factory ProfileOptions.fromJson(Map<String, dynamic> json) =>
+      _$ProfileOptionsFromJson(json);
+}
+
+@freezed
+class ProfileExtra with _$ProfileExtra {
+  const factory ProfileExtra({
+    String? webPageUrl,
+    String? supportUrl,
+  }) = _ProfileExtra;
+
+  factory ProfileExtra.fromJson(Map<String, dynamic> json) =>
+      _$ProfileExtraFromJson(json);
+}
+
+@freezed
+class SubscriptionInfo with _$SubscriptionInfo {
+  const SubscriptionInfo._();
+
+  const factory SubscriptionInfo({
+    required int upload,
+    required int download,
+    required int total,
+    @JsonKey(fromJson: _dateTimeFromSecondsSinceEpoch) required DateTime expire,
+  }) = _SubscriptionInfo;
+
+  bool get isExpired => expire <= DateTime.now();
+
+  int get consumption => upload + download;
+
+  double get ratio => consumption / total;
+
+  Duration get remaining => expire.difference(DateTime.now());
+
+  factory SubscriptionInfo.fromResponseHeader(String header) {
+    final values = header.split(';');
+    final map = {
+      for (final v in values)
+        v.split('=').first: int.tryParse(v.split('=').second)
+    };
+    return SubscriptionInfo.fromJson(map);
+  }
+
+  factory SubscriptionInfo.fromJson(Map<String, dynamic> json) =>
+      _$SubscriptionInfoFromJson(json);
+}
+
+DateTime _dateTimeFromSecondsSinceEpoch(dynamic expire) =>
+    DateTime.fromMillisecondsSinceEpoch((expire as int) * 1000);

lib/domain/profiles/profiles.dart

@@ -1,4 +1,3 @@
 export 'profile.dart';
 export 'profiles_failure.dart';
 export 'profiles_repository.dart';
-export 'subscription_info.dart';

lib/domain/profiles/subscription_info.dart

@@ -1,44 +0,0 @@
-import 'package:dartx/dartx.dart';
-import 'package:freezed_annotation/freezed_annotation.dart';
-
-part 'subscription_info.freezed.dart';
-part 'subscription_info.g.dart';
-
-// TODO: test and improve
-@freezed
-class SubscriptionInfo with _$SubscriptionInfo {
-  const SubscriptionInfo._();
-
-  const factory SubscriptionInfo({
-    int? upload,
-    int? download,
-    int? total,
-    @JsonKey(fromJson: _dateTimeFromSecondsSinceEpoch) DateTime? expire,
-  }) = _SubscriptionInfo;
-
-  bool get isValid =>
-      total != null && download != null && upload != null && expire != null;
-
-  bool get isExpired => expire! <= DateTime.now();
-
-  int get consumption => upload! + download!;
-
-  double get ratio => consumption / total!;
-
-  Duration get remaining => expire!.difference(DateTime.now());
-
-  factory SubscriptionInfo.fromResponseHeader(String header) {
-    final values = header.split(';');
-    final map = {
-      for (final v in values)
-        v.split('=').first: int.tryParse(v.split('=').second)
-    };
-    return SubscriptionInfo.fromJson(map);
-  }
-
-  factory SubscriptionInfo.fromJson(Map<String, dynamic> json) =>
-      _$SubscriptionInfoFromJson(json);
-}
-
-DateTime? _dateTimeFromSecondsSinceEpoch(dynamic expire) =>
-    DateTime.fromMillisecondsSinceEpoch((expire as int) * 1000);