fix: resolve video misclassification when filename contains 'audio' and remove legacy Kemono/Coomer providers

lib/backend/providers/kemono_provider.dart

@@ -1,658 +0,0 @@
-import 'package:dio/dio.dart';
-
-import '../../core/http/dio_client.dart';
-import '../models/artist_announcement.dart';
-import '../models/artist_link.dart';
-import '../models/artist_profile.dart';
-import '../models/artist_tag.dart';
-import '../models/artist_work_query.dart';
-import '../models/post.dart';
-import '../models/post_comment.dart';
-import '../models/provider_health.dart';
-import '../models/top_period_filter.dart';
-import '../services/cloud_link_extractor.dart';
-import 'content_provider.dart';
-
-class KemonoProvider
-    implements ContentProvider, ArtistProvider, CommentProvider {
-  KemonoProvider({
-    required this.id,
-    required this.name,
-    required this.baseUrl,
-    required DioClient dioClient,
-    Map<String, String> queryParameters = const {},
-  })  : _dio = dioClient.dio,
-        _creatorDio = Dio(
-          BaseOptions(
-            baseUrl: queryParameters['creator_api_base'] ??
-                'https://kemono-api.mbaharip.com',
-            connectTimeout: const Duration(seconds: 15),
-            receiveTimeout: const Duration(seconds: 20),
-            headers: const {
-              'Accept': 'application/json',
-              'User-Agent': 'Prisma/2.0.1 Flutter local booru browser',
-            },
-          ),
-        );
-
-  @override
-  final String id;
-
-  @override
-  final String name;
-
-  @override
-  final String baseUrl;
-
-  final Dio _dio;
-  final Dio _creatorDio;
-
-  bool get _isCoomer =>
-      id.toLowerCase().contains('coomer') ||
-      baseUrl.toLowerCase().contains('coomer');
-
-  @override
-  Future<List<Post>> searchPosts({
-    required List<String> tags,
-    required int page,
-    int limit = 50,
-    String? rating,
-    TopPeriodFilter topPeriod = TopPeriodFilter.none,
-  }) async {
-    return const [];
-  }
-
-  @override
-  Future<Post?> getPost(String id) async => null;
-
-  @override
-  Future<ProviderHealth> checkHealth() async {
-    final startedAt = DateTime.now();
-    try {
-      await _creatorDio.get<dynamic>(
-        _creatorPath(),
-        queryParameters: {'page': 1, 'itemsPerPage': 1},
-      );
-      return ProviderHealth(
-        providerId: id,
-        status: ProviderStatus.online,
-        pingMs: DateTime.now().difference(startedAt).inMilliseconds,
-        lastCheckedAt: DateTime.now(),
-        apiVersion: _isCoomer ? 'coomer-artists' : 'kemono-artists',
-      );
-    } catch (error) {
-      return ProviderHealth(
-        providerId: id,
-        status: ProviderStatus.offline,
-        pingMs: DateTime.now().difference(startedAt).inMilliseconds,
-        lastCheckedAt: DateTime.now(),
-        errorMessage: error.toString(),
-        apiVersion: _isCoomer ? 'coomer-artists' : 'kemono-artists',
-      );
-    }
-  }
-
-  @override
-  Future<List<ArtistProfile>> listArtists({
-    String? service,
-    List<String>? services,
-    String? query,
-    int page = 1,
-    int limit = 30,
-  }) async {
-    final effectiveService =
-        services != null && services.length == 1 ? services.first : service;
-    List<ArtistProfile> list;
-    try {
-      final response = await _creatorDio.get<dynamic>(
-        effectiveService == null || effectiveService.isEmpty
-            ? _creatorPath()
-            : '${_creatorPath()}/$effectiveService',
-        queryParameters: {
-          'page': page,
-          'itemsPerPage': limit.clamp(1, 100),
-          if (query != null && query.trim().isNotEmpty) 'keyword': query.trim(),
-        },
-      );
-      list = _rankArtists(_artistsFromResponse(response.data), query ?? '');
-    } catch (_) {
-      list = await _listArtistsFromPublicApi(
-        service: effectiveService,
-        query: query,
-        page: page,
-        limit: limit,
-      );
-    }
-    if (services != null && services.isNotEmpty) {
-      final sSet = services.map((s) => s.toLowerCase()).toSet();
-      list = list.where((a) => sSet.contains(a.service.toLowerCase())).toList();
-    }
-    return list;
-  }
-
-  @override
-  Future<List<ArtistProfile>> searchArtists(
-    String query, {
-    String? service,
-    List<String>? services,
-    int page = 1,
-    int limit = 30,
-  }) {
-    return listArtists(
-      service: service,
-      services: services,
-      query: query,
-      page: page,
-      limit: limit,
-    );
-  }
-
-  @override
-  Future<List<Post>> getArtistPosts({
-    required ArtistWorkQuery query,
-    int page = 0,
-    int limit = 50,
-  }) async {
-    Object? lastError;
-    final paths = [
-      '/api/v1/${query.service}/user/${query.artistId}/posts',
-      '/api/v1/${query.service}/user/${query.artistId}',
-    ];
-    for (final apiBase in _apiBaseCandidates()) {
-      for (final path in paths) {
-        try {
-          final response = await _getFromApiBase<dynamic>(
-            apiBase,
-            path,
-            queryParameters: {'o': page * limit},
-          );
-          final posts = _postItems(response.data);
-          final mapped = <Post>[];
-          for (final post in posts.whereType<Map>()) {
-            mapped.addAll(_postsFromArtistPost(
-              Map<String, dynamic>.from(post),
-              query: query,
-              mediaBaseUrl: apiBase,
-            ));
-          }
-          if (mapped.isNotEmpty || posts.isEmpty) {
-            mapped.sort((a, b) => b.createdAt.compareTo(a.createdAt));
-            return mapped.take(limit).toList(growable: false);
-          }
-        } catch (error) {
-          lastError = error;
-        }
-      }
-    }
-    throw StateError(
-      '$name artist works are unavailable right now. Try again later. '
-      '${_shortError(lastError)}',
-    );
-  }
-
-  @override
-  Future<List<PostComment>> getArtistPostComments(
-    String service,
-    String artistId,
-    String postId,
-  ) async {
-    Object? lastError;
-    final path = '/api/v1/$service/user/$artistId/post/$postId/comments';
-    for (final apiBase in _apiBaseCandidates()) {
-      try {
-        final response = await _getFromApiBase<dynamic>(apiBase, path);
-        return _commentsFromResponse(response.data, postId);
-      } catch (error) {
-        lastError = error;
-      }
-    }
-    throw StateError(
-      '$name comments are unavailable right now. ${_shortError(lastError)}',
-    );
-  }
-
-  @override
-  Future<List<PostComment>> getComments(String postId) async {
-    final parts = postId.split(':');
-    if (parts.length < 4) return const [];
-    return getArtistPostComments(parts[0], parts[1], parts[2]);
-  }
-
-  @override
-  Future<List<ArtistTag>> getArtistTags(
-          String service, String artistId) async =>
-      const [];
-
-  @override
-  Future<List<ArtistLink>> getArtistLinks(
-          String service, String artistId) async =>
-      const [];
-
-  @override
-  Future<List<ArtistAnnouncement>> getArtistAnnouncements(
-      String service, String artistId) async {
-    final path = '/api/v1/$service/user/$artistId/announcements';
-    for (final apiBase in _apiBaseCandidates()) {
-      try {
-        final response = await _getFromApiBase<dynamic>(apiBase, path);
-        final items = response.data;
-        if (items is List) {
-          return items
-              .whereType<Map>()
-              .map((item) =>
-                  ArtistAnnouncement.fromJson(Map<String, dynamic>.from(item)))
-              .toList(growable: false);
-        }
-      } catch (_) {}
-    }
-    return const [];
-  }
-
-  String _creatorPath() => _isCoomer ? '/coomer' : '/kemono';
-
-  List<ArtistProfile> _artistsFromResponse(dynamic data) {
-    final items = data is Map ? data['data'] : data;
-    if (items is! List) return const [];
-    return items
-        .whereType<Map>()
-        .map((item) {
-          final json = Map<String, dynamic>.from(item);
-          final service = (json['service'] ?? '').toString();
-          final artistId =
-              (json['id'] ?? json['creator_id'] ?? json['user_id'] ?? '')
-                  .toString();
-          final name = (json['name'] ??
-                  json['display_name'] ??
-                  json['username'] ??
-                  artistId)
-              .toString();
-          final rawAvatar = (json['avatar'] ??
-                  json['icon'] ??
-                  json['image'] ??
-                  json['avatar_url'] ??
-                  '')
-              .toString();
-          return ArtistProfile(
-            id: artistId,
-            providerId: id,
-            service: service,
-            name: name,
-            displayName: name,
-            avatarUrl: _absoluteUrl(rawAvatar) ?? _iconUrl(service, artistId),
-            updatedAt: _dateFromAny(json['updated']),
-            postCount: (json['post_count'] as num?)?.toInt(),
-            url: '$baseUrl/$service/user/$artistId',
-          );
-        })
-        .where((artist) => artist.id.isNotEmpty)
-        .toList(growable: false);
-  }
-
-  Future<List<ArtistProfile>> _listArtistsFromPublicApi({
-    String? service,
-    String? query,
-    required int page,
-    required int limit,
-  }) async {
-    Object? lastError;
-    dynamic data;
-    for (final apiBase in _apiBaseCandidates()) {
-      try {
-        final response =
-            await _getFromApiBase<dynamic>(apiBase, '/api/v1/creators.txt');
-        data = response.data;
-        break;
-      } catch (error) {
-        lastError = error;
-      }
-    }
-    if (data == null) {
-      throw StateError(
-        '$name artist index is unavailable right now. ${_shortError(lastError)}',
-      );
-    }
-    final queryText = (query ?? '').trim().toLowerCase();
-    final offset = (page - 1).clamp(0, 999999) * limit;
-    final items = _artistsFromResponse({'data': data})
-        .where((artist) =>
-            (service == null || service.isEmpty || artist.service == service) &&
-            (queryText.isEmpty ||
-                artist.displayName.toLowerCase().contains(queryText) ||
-                artist.id.toLowerCase().contains(queryText)))
-        .toList(growable: false);
-    final ranked = _rankArtists(items, queryText);
-    return ranked.skip(offset).take(limit).toList(growable: false);
-  }
-
-  List<ArtistProfile> _rankArtists(List<ArtistProfile> artists, String query) {
-    final queryText = query.trim().toLowerCase();
-    final ranked = [...artists];
-    ranked.sort((a, b) {
-      final scoreA = _artistSearchScore(a, queryText);
-      final scoreB = _artistSearchScore(b, queryText);
-      if (scoreA != scoreB) return scoreB.compareTo(scoreA);
-      final updatedA = a.updatedAt ?? DateTime.fromMillisecondsSinceEpoch(0);
-      final updatedB = b.updatedAt ?? DateTime.fromMillisecondsSinceEpoch(0);
-      final updated = updatedB.compareTo(updatedA);
-      if (updated != 0) return updated;
-      final count = (b.postCount ?? 0).compareTo(a.postCount ?? 0);
-      if (count != 0) return count;
-      return a.displayName.compareTo(b.displayName);
-    });
-    return ranked;
-  }
-
-  int _artistSearchScore(ArtistProfile artist, String query) {
-    if (query.isEmpty) return 0;
-    final name = artist.displayName.toLowerCase();
-    final id = artist.id.toLowerCase();
-    if (name == query || id == query) return 100;
-    if (name.startsWith(query) || id.startsWith(query)) return 70;
-    if (name.contains(query) || id.contains(query)) return 40;
-    return 0;
-  }
-
-  List<dynamic> _postItems(dynamic data) {
-    if (data is List) return data;
-    if (data is Map) {
-      final results = data['results'];
-      if (results is List) return results;
-      final posts = data['posts'];
-      if (posts is List) return posts;
-      if (posts is Map) return _postItems(posts);
-      final dataItems = data['data'];
-      if (dataItems is List) return dataItems;
-    }
-    return const [];
-  }
-
-  List<Post> _postsFromArtistPost(
-    Map<String, dynamic> json, {
-    required ArtistWorkQuery query,
-    required String mediaBaseUrl,
-  }) {
-    final postId = (json['id'] ?? json['post_id'] ?? '').toString();
-    final title = (json['title'] ?? '').toString();
-    final published = _dateFromAny(json['published']) ??
-        _dateFromAny(json['added']) ??
-        _dateFromAny(json['edited']) ??
-        DateTime.fromMillisecondsSinceEpoch(0);
-    final postSource =
-        '$baseUrl/${query.service}/user/${query.artistId}/post/$postId';
-    final rawContent = (json['content'] ?? '').toString();
-    final embed = json['embed'] is Map ? Map<String, dynamic>.from(json['embed']) : null;
-    final cloudLinks = CloudLinkExtractor.extractLinks(
-      content: rawContent,
-      source: postSource,
-      embed: embed,
-    );
-    final cloudLinksJson = cloudLinks.map((e) => e.encode()).toList(growable: false);
-    final cleanDesc = CloudLinkExtractor.cleanCommentary(rawContent);
-
-    final files = <Map<String, dynamic>>[];
-    final file = json['file'];
-    if (file is Map && file.isNotEmpty) {
-      files.add(Map<String, dynamic>.from(file));
-    }
-    final attachments = json['attachments'];
-    if (attachments is List) {
-      files.addAll(attachments.whereType<Map>().map(Map<String, dynamic>.from));
-    }
-
-    // Support link-only posts where author uploaded files to cloud drives (MEGA, GDrive, etc.)
-    // or text-only posts where author wrote an announcement, status or note
-    if (files.isEmpty &&
-        (cloudLinks.isNotEmpty ||
-            cleanDesc.isNotEmpty ||
-            rawContent.trim().isNotEmpty ||
-            title.trim().isNotEmpty)) {
-      final stableId = '${query.service}:${query.artistId}:$postId:0';
-      final firstStreamable =
-          cloudLinks.where((l) => l.isStreamable).firstOrNull;
-      final firstLink = cloudLinks.isNotEmpty ? cloudLinks.first : null;
-      final fileUrl = firstStreamable?.directStreamUrl ?? firstLink?.url ?? '';
-      final isTextOnly = cloudLinks.isEmpty;
-      final tags = [
-        query.service,
-        query.artistName,
-        if (title.trim().isNotEmpty) title.trim(),
-        if (!isTextOnly) 'cloud_mirror' else 'text_post',
-      ];
-      return [
-        Post(
-          id: stableId,
-          providerId: id,
-          providerName: name,
-          previewUrl: '',
-          sampleUrl: '',
-          fileUrl: fileUrl,
-          tags: tags,
-          rating: 'unknown',
-          width: 0,
-          height: 0,
-          source: postSource,
-          createdAt: published,
-          fileType: firstStreamable != null
-              ? 'video'
-              : (isTextOnly ? 'text' : 'link'),
-          score: 0,
-          tagGroups: {
-            'artist': [query.artistName],
-            'meta': [query.service],
-            if (title.trim().isNotEmpty) 'copyright': [title.trim()],
-            if (cloudLinksJson.isNotEmpty) 'cloud_links': cloudLinksJson,
-            if (cleanDesc.isNotEmpty)
-              'description': [cleanDesc]
-            else if (rawContent.trim().isNotEmpty)
-              'description': [rawContent.trim()],
-          },
-        ),
-      ];
-    }
-
-    var index = 0;
-    return files
-        .map((file) {
-          final url = _mediaUrl(file, mediaBaseUrl: mediaBaseUrl);
-          final fileName =
-              (file['name'] ?? Uri.tryParse(url)?.pathSegments.last ?? '')
-                  .toString();
-          final type = _fileType('$fileName $url');
-          final stableId =
-              '${query.service}:${query.artistId}:$postId:${index++}';
-          final tags = [
-            query.service,
-            query.artistName,
-            if (title.trim().isNotEmpty) title.trim(),
-          ];
-          return Post(
-            id: stableId,
-            providerId: id,
-            providerName: name,
-            previewUrl: url,
-            sampleUrl: url,
-            fileUrl: url,
-            tags: tags,
-            rating: 'unknown',
-            width: 0,
-            height: 0,
-            source: postSource,
-            createdAt: published,
-            fileType: type,
-            score: 0,
-            tagGroups: {
-              'artist': [query.artistName],
-              'meta': [query.service],
-              if (title.trim().isNotEmpty) 'copyright': [title.trim()],
-              if (cloudLinksJson.isNotEmpty) 'cloud_links': cloudLinksJson,
-              if (cleanDesc.isNotEmpty) 'description': [cleanDesc],
-            },
-          );
-        })
-        .where((post) => post.fileUrl.isNotEmpty)
-        .toList(growable: false);
-  }
-
-  List<PostComment> _commentsFromResponse(dynamic data, String postId) {
-    final items = data is Map ? (data['comments'] ?? data['data']) : data;
-    if (items is! List) return const [];
-    return items
-        .whereType<Map>()
-        .map((item) {
-          final json = Map<String, dynamic>.from(item);
-          return PostComment(
-            id: (json['id'] ?? json['comment_id'] ?? '').toString(),
-            postId: postId,
-            providerId: id,
-            authorName: (json['author'] ??
-                    json['username'] ??
-                    json['user'] ??
-                    json['creator_name'] ??
-                    'user')
-                .toString(),
-            body: (json['content'] ?? json['body'] ?? json['comment'] ?? '')
-                .toString(),
-            createdAt: _dateFromAny(json['added']) ??
-                _dateFromAny(json['created_at']) ??
-                DateTime.fromMillisecondsSinceEpoch(0),
-          );
-        })
-        .where((comment) => comment.body.trim().isNotEmpty)
-        .toList(growable: false);
-  }
-
-  String _mediaUrl(
-    Map<String, dynamic> file, {
-    required String mediaBaseUrl,
-  }) {
-    final path = (file['path'] ?? file['url'] ?? '').toString();
-    if (path.isEmpty) return '';
-    final uri = Uri.tryParse(path);
-    if (uri != null && uri.hasScheme) return path;
-    if (path.startsWith('/data/')) {
-      return '$mediaBaseUrl$path';
-    }
-    if (path.startsWith('/')) {
-      return '$mediaBaseUrl/data$path';
-    }
-    return '$mediaBaseUrl/data/$path';
-  }
-
-  String? _iconUrl(String service, String artistId) {
-    if (service.isEmpty || artistId.isEmpty) return null;
-    final host = _isCoomer ? 'https://img.coomer.su' : 'https://img.kemono.su';
-    return '$host/icons/$service/$artistId';
-  }
-
-  String? _absoluteUrl(String value) {
-    final trimmed = value.trim();
-    if (trimmed.isEmpty) return null;
-    final uri = Uri.tryParse(trimmed);
-    if (uri != null && uri.hasScheme) return trimmed;
-    if (trimmed.startsWith('/')) return '$baseUrl$trimmed';
-    return '$baseUrl/$trimmed';
-  }
-
-  List<String> _apiBaseCandidates() {
-    final candidates = <String>[
-      baseUrl,
-      if (_isCoomer) ...[
-        'https://coomer.st',
-        'https://coomer.su',
-      ] else ...[
-        'https://kemono.cr',
-        'https://kemono.su',
-      ],
-    ];
-    return candidates.map(_trimTrailingSlash).toSet().toList(growable: false);
-  }
-
-  Future<Response<T>> _getFromApiBase<T>(
-    String apiBase,
-    String path, {
-    Map<String, Object?> queryParameters = const {},
-  }) {
-    if (_trimTrailingSlash(apiBase) == _trimTrailingSlash(baseUrl)) {
-      return _dio.get<T>(path, queryParameters: queryParameters);
-    }
-    final dio = Dio(
-      BaseOptions(
-        baseUrl: apiBase,
-        connectTimeout: const Duration(seconds: 15),
-        receiveTimeout: const Duration(seconds: 25),
-        headers: const {
-          'Accept': 'application/json',
-          'User-Agent': 'Prisma/2.0.1 Flutter local booru browser',
-        },
-      ),
-    );
-    return dio.get<T>(path, queryParameters: queryParameters);
-  }
-
-  String _trimTrailingSlash(String value) =>
-      value.endsWith('/') ? value.substring(0, value.length - 1) : value;
-
-  String _shortError(Object? error) {
-    if (error == null) return '';
-    final message = error.toString();
-    if (message.length <= 160) return message;
-    return '${message.substring(0, 160)}...';
-  }
-
-  String _fileType(String value) {
-    final lower = value.toLowerCase().split('?').first.trim();
-    if (lower.endsWith('.webm') ||
-        lower.endsWith('.mp4') ||
-        lower.endsWith('.mov') ||
-        lower.endsWith('.mkv') ||
-        lower.endsWith('.avi') ||
-        lower.endsWith('.flv') ||
-        lower.endsWith('.wmv') ||
-        lower.endsWith('.m4v') ||
-        lower.endsWith('.ts')) {
-      return 'video';
-    }
-    if (lower.endsWith('.mp3') ||
-        lower.endsWith('.m4a') ||
-        lower.endsWith('.wav') ||
-        lower.endsWith('.ogg') ||
-        lower.endsWith('.flac') ||
-        lower.endsWith('.aac') ||
-        lower.endsWith('.opus') ||
-        lower.endsWith('.wma')) {
-      return 'audio';
-    }
-    if (lower.endsWith('.gif')) return 'gif';
-    if (lower.endsWith('.swf')) return 'swf';
-    if (lower.endsWith('.zip') ||
-        lower.endsWith('.rar') ||
-        lower.endsWith('.7z') ||
-        lower.endsWith('.tar') ||
-        lower.endsWith('.gz') ||
-        lower.endsWith('.pdf') ||
-        lower.endsWith('.txt')) {
-      return 'archive';
-    }
-    if (lower.endsWith('.png') ||
-        lower.endsWith('.jpg') ||
-        lower.endsWith('.jpeg') ||
-        lower.endsWith('.webp') ||
-        lower.endsWith('.avif') ||
-        lower.endsWith('.bmp') ||
-        lower.endsWith('.heic') ||
-        lower.endsWith('.tiff')) {
-      return 'photo';
-    }
-    return 'unknown';
-  }
-
-  DateTime? _dateFromAny(dynamic value) {
-    if (value == null) return null;
-    if (value is num) {
-      final raw = value.toInt();
-      if (raw > 9999999999) return DateTime.fromMillisecondsSinceEpoch(raw);
-      return DateTime.fromMillisecondsSinceEpoch(raw * 1000);
-    }
-    return DateTime.tryParse(value.toString());
-  }
-}

lib/backend/providers/pawchive_provider.dart

@@ -481,7 +481,7 @@ class PawchiveProvider
     for (final f in files) {
       final p = (f['path'] ?? '').toString();
       final n = (f['name'] ?? '').toString();
-      if (_isPhotoType('$n $p') && p.isNotEmpty) {
+      if (_isPhotoType(p, n) && p.isNotEmpty) {
         postCoverUrl = _thumbnailUrl(p);
         break;
       }
@@ -494,8 +494,8 @@ class PawchiveProvider
           final fileName = (fileMap['name'] ?? '').toString();
           final previewOnly = fileMap['preview_only'] == true;
 
-          final type = _fileType('$fileName $rawPath');
-          final isPhoto = _isPhotoType('$fileName $rawPath');
+          final type = _fileTypeFor(rawPath, fileName);
+          final isPhoto = type == 'photo' || type == 'gif';
 
           // img.pawchive.pw/thumbnail only generates thumbnails for images/gifs.
           // Non-image files (audio, video, archive) return 404 from thumbnail server.
@@ -626,55 +626,81 @@ class PawchiveProvider
     return '${message.substring(0, 160)}...';
   }
 
+  String _extractExtension(String value) {
+    if (value.isEmpty) return '';
+    final clean = value.split('?').first.split('#').first.trim();
+    final dot = clean.lastIndexOf('.');
+    if (dot != -1 && dot < clean.length - 1) {
+      final ext = clean.substring(dot).toLowerCase();
+      if (ext.length <= 6) return ext;
+    }
+    return '';
+  }
+
   String _fileType(String value) {
-    final lower = value.toLowerCase().split('?').first.trim();
-    if (lower.endsWith('.webm') ||
-        lower.endsWith('.mp4') ||
-        lower.endsWith('.mov') ||
-        lower.endsWith('.mkv') ||
-        lower.endsWith('.avi') ||
-        lower.endsWith('.flv') ||
-        lower.endsWith('.wmv') ||
-        lower.endsWith('.m4v') ||
-        lower.endsWith('.ts')) {
+    final ext = _extractExtension(value);
+    if (const {
+      '.webm',
+      '.mp4',
+      '.mov',
+      '.mkv',
+      '.avi',
+      '.flv',
+      '.wmv',
+      '.m4v',
+      '.ts',
+    }.contains(ext)) {
       return 'video';
     }
-    if (lower.endsWith('.mp3') ||
-        lower.endsWith('.m4a') ||
-        lower.endsWith('.wav') ||
-        lower.endsWith('.ogg') ||
-        lower.endsWith('.flac') ||
-        lower.endsWith('.aac') ||
-        lower.endsWith('.opus') ||
-        lower.endsWith('.wma')) {
+    if (const {
+      '.mp3',
+      '.m4a',
+      '.wav',
+      '.ogg',
+      '.flac',
+      '.aac',
+      '.opus',
+      '.wma',
+    }.contains(ext)) {
       return 'audio';
     }
-    if (lower.endsWith('.gif')) return 'gif';
-    if (lower.endsWith('.swf')) return 'swf';
-    if (lower.endsWith('.zip') ||
-        lower.endsWith('.rar') ||
-        lower.endsWith('.7z') ||
-        lower.endsWith('.tar') ||
-        lower.endsWith('.gz') ||
-        lower.endsWith('.pdf') ||
-        lower.endsWith('.txt')) {
+    if (ext == '.gif') return 'gif';
+    if (ext == '.swf') return 'swf';
+    if (const {
+      '.zip',
+      '.rar',
+      '.7z',
+      '.tar',
+      '.gz',
+      '.pdf',
+      '.txt',
+    }.contains(ext)) {
       return 'archive';
     }
-    if (lower.endsWith('.png') ||
-        lower.endsWith('.jpg') ||
-        lower.endsWith('.jpeg') ||
-        lower.endsWith('.webp') ||
-        lower.endsWith('.avif') ||
-        lower.endsWith('.bmp') ||
-        lower.endsWith('.heic') ||
-        lower.endsWith('.tiff')) {
+    if (const {
+      '.png',
+      '.jpg',
+      '.jpeg',
+      '.webp',
+      '.avif',
+      '.bmp',
+      '.heic',
+      '.tiff',
+    }.contains(ext)) {
       return 'photo';
     }
     return 'unknown';
   }
 
-  bool _isPhotoType(String value) {
-    final type = _fileType(value);
+  String _fileTypeFor(String path, String fileName) {
+    final extName = _extractExtension(fileName);
+    final extPath = _extractExtension(path);
+    final ext = extName.isNotEmpty ? extName : extPath;
+    return _fileType(ext);
+  }
+
+  bool _isPhotoType(String path, [String fileName = '']) {
+    final type = _fileTypeFor(path, fileName);
     return type == 'photo' || type == 'gif';
   }
 

lib/backend/providers/provider_factory.dart

@@ -5,7 +5,6 @@ import 'custom_provider.dart';
 import 'danbooru_provider.dart';
 import 'e621_provider.dart';
 import 'gelbooru_provider.dart';
-import 'kemono_provider.dart';
 import 'moebooru_provider.dart';
 import 'pawchive_provider.dart';
 import 'realbooru_html_provider.dart';
@@ -82,15 +81,6 @@ class ProviderFactory {
           dioClient: client,
           queryParameters: queryParameters,
         );
-      case 'kemono':
-      case 'coomer':
-        return KemonoProvider(
-          id: config.id,
-          name: config.name,
-          baseUrl: config.baseUrl,
-          dioClient: client,
-          queryParameters: queryParameters,
-        );
       case 'pawchive':
         return PawchiveProvider(
           id: config.id,

lib/backend/providers/provider_manager.dart

@@ -730,18 +730,23 @@ class ProviderManager {
 
   static bool _isArtistConfig(ContentProviderConfig config) {
     final type = config.apiType.toLowerCase();
-    return type == 'kemono' || type == 'coomer' || type == 'pawchive';
+    return type == 'pawchive';
   }
 
   static bool _isFeedConfig(ContentProviderConfig config) {
     final type = config.apiType.toLowerCase();
-    return type != 'kemono' && type != 'coomer';
+    return type != 'pawchive';
   }
 
   static bool _isLegacyRemovedConfig(ContentProviderConfig config) {
     final id = config.id.toLowerCase();
     final type = config.apiType.toLowerCase();
-    return id == 'cosbooru' || type == 'realbooru';
+    return id == 'cosbooru' ||
+        type == 'realbooru' ||
+        type == 'kemono' ||
+        type == 'coomer' ||
+        id == 'kemono' ||
+        id == 'coomer';
   }
 }