refactor(extensions): split manifest models and provider-priority logic into part files

This commit is contained in:
zarzet
2026-07-27 00:34:55 +07:00
parent d0dca1a101
commit e8290a5eb0
3 changed files with 1194 additions and 1184 deletions
+771
View File
@@ -0,0 +1,771 @@
part of 'extension_provider.dart';
// Manifest-backed models: extension metadata, capabilities, health, and
// install results.
class ExtensionRestoreResult {
final int installed;
final int alreadyPresent;
final int failed;
final List<String> failedIds;
const ExtensionRestoreResult({
this.installed = 0,
this.alreadyPresent = 0,
this.failed = 0,
this.failedIds = const [],
});
}
bool _stringListEquals(List<String> a, List<String> b) {
if (identical(a, b)) return true;
if (a.length != b.length) return false;
for (var i = 0; i < a.length; i++) {
if (a[i] != b[i]) return false;
}
return true;
}
List<String>? _tryDecodeStringListPreference(String rawJson, String key) {
try {
final decoded = jsonDecode(rawJson);
if (decoded is! List) {
throw const FormatException('expected a JSON list');
}
final values = <String>[];
for (final item in decoded) {
if (item is! String) {
throw const FormatException('expected string entries');
}
final trimmed = item.trim();
if (trimmed.isNotEmpty) {
values.add(trimmed);
}
}
return values;
} catch (e) {
_log.w('Ignoring invalid $key preference: $e');
return null;
}
}
/// First enabled custom-search extension, preferring ones marked primary.
Extension? defaultSearchExtension(List<Extension> extensions) {
return extensions
.where(
(ext) =>
ext.enabled &&
ext.hasCustomSearch &&
ext.searchBehavior?.primary == true,
)
.firstOrNull ??
extensions.where((ext) => ext.enabled && ext.hasCustomSearch).firstOrNull;
}
class Extension {
final String id;
final String name;
final String displayName;
final String version;
final String description;
final bool enabled;
final String status;
final String? errorMessage;
final String? iconPath;
final List<String> permissions;
final List<ExtensionSetting> settings;
final List<QualityOption> qualityOptions;
final bool hasMetadataProvider;
final bool hasDownloadProvider;
final bool hasLyricsProvider;
final bool skipMetadataEnrichment;
final bool skipLyrics;
final bool stopProviderFallback;
final SearchBehavior? searchBehavior;
final URLHandler? urlHandler;
final TrackMatching? trackMatching;
final PostProcessing? postProcessing;
final List<ExtensionServiceHealthCheck> serviceHealth;
final Map<String, dynamic> capabilities;
const Extension({
required this.id,
required this.name,
required this.displayName,
required this.version,
required this.description,
required this.enabled,
required this.status,
this.errorMessage,
this.iconPath,
this.permissions = const [],
this.settings = const [],
this.qualityOptions = const [],
this.hasMetadataProvider = false,
this.hasDownloadProvider = false,
this.hasLyricsProvider = false,
this.skipMetadataEnrichment = false,
this.skipLyrics = false,
this.stopProviderFallback = false,
this.searchBehavior,
this.urlHandler,
this.trackMatching,
this.postProcessing,
this.serviceHealth = const [],
this.capabilities = const {},
});
factory Extension.fromJson(Map<String, dynamic> json) {
return Extension(
id: json['id'] as String? ?? '',
name: json['name'] as String? ?? '',
displayName:
json['display_name'] as String? ?? json['name'] as String? ?? '',
version: json['version'] as String? ?? '0.0.0',
description: json['description'] as String? ?? '',
enabled: json['enabled'] as bool? ?? false,
status: json['status'] as String? ?? 'loaded',
errorMessage: json['error_message'] as String?,
iconPath: json['icon_path'] as String?,
permissions:
(json['permissions'] as List<dynamic>?)?.cast<String>() ?? [],
settings:
(json['settings'] as List<dynamic>?)
?.map((s) => ExtensionSetting.fromJson(s as Map<String, dynamic>))
.toList() ??
[],
qualityOptions:
(json['quality_options'] as List<dynamic>?)
?.map((q) => QualityOption.fromJson(q as Map<String, dynamic>))
.toList() ??
[],
hasMetadataProvider: json['has_metadata_provider'] as bool? ?? false,
hasDownloadProvider: json['has_download_provider'] as bool? ?? false,
hasLyricsProvider: json['has_lyrics_provider'] as bool? ?? false,
skipMetadataEnrichment:
json['skip_metadata_enrichment'] as bool? ?? false,
skipLyrics: json['skip_lyrics'] as bool? ?? false,
stopProviderFallback: json['stop_provider_fallback'] as bool? ?? false,
searchBehavior: json['search_behavior'] != null
? SearchBehavior.fromJson(
json['search_behavior'] as Map<String, dynamic>,
)
: null,
urlHandler: json['url_handler'] != null
? URLHandler.fromJson(json['url_handler'] as Map<String, dynamic>)
: null,
trackMatching: json['track_matching'] != null
? TrackMatching.fromJson(
json['track_matching'] as Map<String, dynamic>,
)
: null,
postProcessing: json['post_processing'] != null
? PostProcessing.fromJson(
json['post_processing'] as Map<String, dynamic>,
)
: null,
serviceHealth:
(json['service_health'] as List<dynamic>?)
?.map(
(h) => ExtensionServiceHealthCheck.fromJson(
h as Map<String, dynamic>,
),
)
.toList() ??
[],
capabilities: (json['capabilities'] as Map<String, dynamic>?) ?? const {},
);
}
Extension copyWith({
String? id,
String? name,
String? displayName,
String? version,
String? description,
bool? enabled,
String? status,
String? errorMessage,
String? iconPath,
List<String>? permissions,
List<ExtensionSetting>? settings,
List<QualityOption>? qualityOptions,
bool? hasMetadataProvider,
bool? hasDownloadProvider,
bool? hasLyricsProvider,
bool? skipMetadataEnrichment,
bool? skipLyrics,
bool? stopProviderFallback,
SearchBehavior? searchBehavior,
URLHandler? urlHandler,
TrackMatching? trackMatching,
PostProcessing? postProcessing,
List<ExtensionServiceHealthCheck>? serviceHealth,
Map<String, dynamic>? capabilities,
}) {
return Extension(
id: id ?? this.id,
name: name ?? this.name,
displayName: displayName ?? this.displayName,
version: version ?? this.version,
description: description ?? this.description,
enabled: enabled ?? this.enabled,
status: status ?? this.status,
errorMessage: errorMessage ?? this.errorMessage,
iconPath: iconPath ?? this.iconPath,
permissions: permissions ?? this.permissions,
settings: settings ?? this.settings,
qualityOptions: qualityOptions ?? this.qualityOptions,
hasMetadataProvider: hasMetadataProvider ?? this.hasMetadataProvider,
hasDownloadProvider: hasDownloadProvider ?? this.hasDownloadProvider,
hasLyricsProvider: hasLyricsProvider ?? this.hasLyricsProvider,
skipMetadataEnrichment:
skipMetadataEnrichment ?? this.skipMetadataEnrichment,
skipLyrics: skipLyrics ?? this.skipLyrics,
stopProviderFallback: stopProviderFallback ?? this.stopProviderFallback,
searchBehavior: searchBehavior ?? this.searchBehavior,
urlHandler: urlHandler ?? this.urlHandler,
trackMatching: trackMatching ?? this.trackMatching,
postProcessing: postProcessing ?? this.postProcessing,
serviceHealth: serviceHealth ?? this.serviceHealth,
capabilities: capabilities ?? this.capabilities,
);
}
bool get hasCustomSearch => searchBehavior?.enabled ?? false;
bool get hasURLHandler => urlHandler?.enabled ?? false;
bool get hasCustomMatching => trackMatching?.customMatching ?? false;
bool get hasPostProcessing => postProcessing?.enabled ?? false;
bool get hasServiceHealth => serviceHealth.isNotEmpty;
bool get hasHomeFeed => capabilities['homeFeed'] == true;
bool get requiresNativeContainerConversion =>
capabilities['requiresContainerConversion'] == true ||
capabilities['requiresNativeContainerConversion'] == true;
List<String> get replacesBuiltInProviders {
final value = capabilities['replacesBuiltInProviders'];
if (value is! List) return const [];
final normalized = <String>[];
for (final item in value) {
if (item is! String) continue;
final trimmed = item.trim().toLowerCase();
if (trimmed.isEmpty || normalized.contains(trimmed)) continue;
normalized.add(trimmed);
}
return normalized;
}
String? get preferredDownloadOutputExtension {
final value = capabilities['downloadOutputExtension'];
if (value is! String) return null;
final trimmed = value.trim();
return trimmed.isEmpty ? null : trimmed;
}
List<String> get preservedNativeOutputExtensions {
final value = capabilities['preserveNativeOutputExtensions'];
if (value is! List) return const [];
final normalized = <String>[];
for (final item in value) {
if (item is! String) continue;
final trimmed = item.trim().toLowerCase();
if (trimmed.isEmpty) continue;
normalized.add(trimmed.startsWith('.') ? trimmed : '.$trimmed');
}
return normalized;
}
}
String resolveEffectiveDownloadService(
String requestedService,
ExtensionState extensionState,
) => _resolveEffectiveProvider(
requestedService,
extensionState,
(ext) => ext.hasDownloadProvider,
);
String resolveEffectiveMetadataProvider(
String requestedProvider,
ExtensionState extensionState,
) => _resolveEffectiveProvider(
requestedProvider,
extensionState,
(ext) => ext.hasMetadataProvider,
);
String _resolveEffectiveProvider(
String requested,
ExtensionState extensionState,
bool Function(Extension) hasProvider,
) {
final normalizedRequested = requested.trim().toLowerCase();
final enabled = extensionState.extensions
.where((ext) => ext.enabled && hasProvider(ext))
.toList(growable: false);
if (normalizedRequested.isNotEmpty) {
final matching = enabled
.where((ext) => ext.id.trim().toLowerCase() == normalizedRequested)
.firstOrNull;
if (matching != null) {
return matching.id;
}
final replacement = enabled
.where(
(ext) => ext.replacesBuiltInProviders.contains(normalizedRequested),
)
.firstOrNull;
if (replacement != null) {
return replacement.id;
}
}
return enabled.firstOrNull?.id ?? '';
}
bool isDeezerCompatibleDownloadService(
String service,
ExtensionState extensionState,
) {
final normalizedService = service.trim().toLowerCase();
if (normalizedService.isEmpty) {
return false;
}
return extensionState.extensions.any(
(ext) =>
ext.enabled &&
ext.hasDownloadProvider &&
ext.id.trim().toLowerCase() == normalizedService &&
ext.replacesBuiltInProviders.contains('deezer'),
);
}
class SearchFilter {
final String id;
final String? label;
final String? icon;
const SearchFilter({required this.id, this.label, this.icon});
factory SearchFilter.fromJson(Map<String, dynamic> json) {
return SearchFilter(
id: json['id'] as String? ?? '',
label: json['label'] as String?,
icon: json['icon'] as String?,
);
}
}
class SearchBehavior {
final bool enabled;
final String? placeholder;
final bool primary;
final String? icon;
final String? thumbnailRatio;
final int? thumbnailWidth;
final int? thumbnailHeight;
final List<SearchFilter> filters;
const SearchBehavior({
required this.enabled,
this.placeholder,
this.primary = false,
this.icon,
this.thumbnailRatio,
this.thumbnailWidth,
this.thumbnailHeight,
this.filters = const [],
});
factory SearchBehavior.fromJson(Map<String, dynamic> json) {
return SearchBehavior(
enabled: json['enabled'] as bool? ?? false,
placeholder: json['placeholder'] as String?,
primary: json['primary'] as bool? ?? false,
icon: json['icon'] as String?,
thumbnailRatio: json['thumbnailRatio'] as String?,
thumbnailWidth: json['thumbnailWidth'] as int?,
thumbnailHeight: json['thumbnailHeight'] as int?,
filters:
(json['filters'] as List<dynamic>?)
?.map((f) => SearchFilter.fromJson(f as Map<String, dynamic>))
.toList() ??
[],
);
}
(double, double) getThumbnailSize({double defaultSize = 56}) {
if (thumbnailWidth != null && thumbnailHeight != null) {
return (thumbnailWidth!.toDouble(), thumbnailHeight!.toDouble());
}
switch (thumbnailRatio) {
case 'wide':
return (defaultSize * 16 / 9, defaultSize);
case 'portrait':
return (defaultSize * 2 / 3, defaultSize);
case 'square':
default:
return (defaultSize, defaultSize);
}
}
}
class TrackMatching {
final bool customMatching;
final String? strategy;
final int durationTolerance;
const TrackMatching({
required this.customMatching,
this.strategy,
this.durationTolerance = 3,
});
factory TrackMatching.fromJson(Map<String, dynamic> json) {
return TrackMatching(
customMatching: json['customMatching'] as bool? ?? false,
strategy: json['strategy'] as String?,
durationTolerance: json['durationTolerance'] as int? ?? 3,
);
}
}
class PostProcessing {
final bool enabled;
final List<PostProcessingHook> hooks;
const PostProcessing({required this.enabled, this.hooks = const []});
factory PostProcessing.fromJson(Map<String, dynamic> json) {
return PostProcessing(
enabled: json['enabled'] as bool? ?? false,
hooks:
(json['hooks'] as List<dynamic>?)
?.map(
(h) => PostProcessingHook.fromJson(h as Map<String, dynamic>),
)
.toList() ??
[],
);
}
}
class URLHandler {
final bool enabled;
final List<String> patterns;
const URLHandler({required this.enabled, this.patterns = const []});
factory URLHandler.fromJson(Map<String, dynamic> json) {
return URLHandler(
enabled: json['enabled'] as bool? ?? false,
patterns: (json['patterns'] as List<dynamic>?)?.cast<String>() ?? [],
);
}
}
class ExtensionServiceHealthCheck {
final String id;
final String? label;
final String url;
final String method;
final String? serviceKey;
final int? timeoutMs;
final int? cacheTtlSeconds;
final bool required;
const ExtensionServiceHealthCheck({
required this.id,
this.label,
required this.url,
this.method = 'GET',
this.serviceKey,
this.timeoutMs,
this.cacheTtlSeconds,
this.required = false,
});
factory ExtensionServiceHealthCheck.fromJson(Map<String, dynamic> json) {
return ExtensionServiceHealthCheck(
id: json['id'] as String? ?? '',
label: json['label'] as String?,
url: json['url'] as String? ?? '',
method: json['method'] as String? ?? 'GET',
serviceKey: json['serviceKey'] as String?,
timeoutMs: json['timeoutMs'] as int?,
cacheTtlSeconds: json['cacheTtlSeconds'] as int?,
required: json['required'] as bool? ?? false,
);
}
}
class ExtensionHealthStatus {
final String extensionId;
final String status;
final DateTime? checkedAt;
final List<ExtensionHealthCheckStatus> checks;
const ExtensionHealthStatus({
required this.extensionId,
required this.status,
this.checkedAt,
this.checks = const [],
});
factory ExtensionHealthStatus.fromJson(Map<String, dynamic> json) {
return ExtensionHealthStatus(
extensionId: json['extension_id'] as String? ?? '',
status: json['status'] as String? ?? 'unknown',
checkedAt: DateTime.tryParse(json['checked_at'] as String? ?? ''),
checks:
(json['checks'] as List<dynamic>?)
?.map(
(c) => ExtensionHealthCheckStatus.fromJson(
c as Map<String, dynamic>,
),
)
.toList() ??
[],
);
}
bool get isSupported => status != 'unsupported';
}
class ExtensionHealthCheckStatus {
final String id;
final String? label;
final String url;
final String method;
final String? serviceKey;
final bool required;
final String status;
final int? httpStatus;
final int latencyMs;
final String? message;
final String? error;
final DateTime? checkedAt;
const ExtensionHealthCheckStatus({
required this.id,
this.label,
required this.url,
required this.method,
this.serviceKey,
this.required = false,
required this.status,
this.httpStatus,
this.latencyMs = 0,
this.message,
this.error,
this.checkedAt,
});
factory ExtensionHealthCheckStatus.fromJson(Map<String, dynamic> json) {
return ExtensionHealthCheckStatus(
id: json['id'] as String? ?? '',
label: json['label'] as String?,
url: json['url'] as String? ?? '',
method: json['method'] as String? ?? 'GET',
serviceKey: json['service_key'] as String?,
required: json['required'] as bool? ?? false,
status: json['status'] as String? ?? 'unknown',
httpStatus: json['http_status'] as int?,
latencyMs: json['latency_ms'] as int? ?? 0,
message: json['message'] as String?,
error: json['error'] as String?,
checkedAt: DateTime.tryParse(json['checked_at'] as String? ?? ''),
);
}
String get displayLabel => label?.trim().isNotEmpty == true ? label! : id;
}
class PostProcessingHook {
final String id;
final String name;
final String? description;
final bool defaultEnabled;
final List<String> supportedFormats;
const PostProcessingHook({
required this.id,
required this.name,
this.description,
this.defaultEnabled = false,
this.supportedFormats = const [],
});
factory PostProcessingHook.fromJson(Map<String, dynamic> json) {
return PostProcessingHook(
id: json['id'] as String? ?? '',
name: json['name'] as String? ?? '',
description: json['description'] as String?,
defaultEnabled: json['defaultEnabled'] as bool? ?? false,
supportedFormats:
(json['supportedFormats'] as List<dynamic>?)?.cast<String>() ?? [],
);
}
}
class QualityOption {
final String id;
final String label;
final String? description;
final List<QualitySpecificSetting> settings;
const QualityOption({
required this.id,
required this.label,
this.description,
this.settings = const [],
});
factory QualityOption.fromJson(Map<String, dynamic> json) {
return QualityOption(
id: json['id'] as String? ?? '',
label: json['label'] as String? ?? '',
description: json['description'] as String?,
settings:
(json['settings'] as List<dynamic>?)
?.map(
(s) =>
QualitySpecificSetting.fromJson(s as Map<String, dynamic>),
)
.toList() ??
[],
);
}
}
class QualitySpecificSetting {
final String key;
final String label;
final String type;
final dynamic defaultValue;
final String? description;
final List<String>? options;
final bool required;
final bool secret;
const QualitySpecificSetting({
required this.key,
required this.label,
required this.type,
this.defaultValue,
this.description,
this.options,
this.required = false,
this.secret = false,
});
factory QualitySpecificSetting.fromJson(Map<String, dynamic> json) {
return QualitySpecificSetting(
key: json['key'] as String? ?? '',
label: json['label'] as String? ?? '',
type: json['type'] as String? ?? 'string',
defaultValue: json['default'],
description: json['description'] as String?,
options: (json['options'] as List<dynamic>?)?.cast<String>(),
required: json['required'] as bool? ?? false,
secret: json['secret'] as bool? ?? false,
);
}
}
class ExtensionSetting {
final String key;
final String label;
final String type;
final dynamic defaultValue;
final String? description;
final List<String>? options;
final bool required;
final String? action;
const ExtensionSetting({
required this.key,
required this.label,
required this.type,
this.defaultValue,
this.description,
this.options,
this.required = false,
this.action,
});
factory ExtensionSetting.fromJson(Map<String, dynamic> json) {
return ExtensionSetting(
key: json['key'] as String? ?? '',
label: json['label'] as String? ?? '',
type: json['type'] as String? ?? 'string',
defaultValue: json['default'],
description: json['description'] as String?,
options: (json['options'] as List<dynamic>?)?.cast<String>(),
required: json['required'] as bool? ?? false,
action: json['action'] as String?,
);
}
}
class ExtensionState {
final List<Extension> extensions;
final List<String> providerPriority;
final List<String> metadataProviderPriority;
final Map<String, ExtensionHealthStatus> healthStatuses;
final bool isLoading;
final String? error;
final bool isInitialized;
const ExtensionState({
this.extensions = const [],
this.providerPriority = const [],
this.metadataProviderPriority = const [],
this.healthStatuses = const {},
this.isLoading = false,
this.error,
this.isInitialized = false,
});
ExtensionState copyWith({
List<Extension>? extensions,
List<String>? providerPriority,
List<String>? metadataProviderPriority,
Map<String, ExtensionHealthStatus>? healthStatuses,
bool? isLoading,
String? error,
bool? isInitialized,
}) {
return ExtensionState(
extensions: extensions ?? this.extensions,
providerPriority: providerPriority ?? this.providerPriority,
metadataProviderPriority:
metadataProviderPriority ?? this.metadataProviderPriority,
healthStatuses: healthStatuses ?? this.healthStatuses,
isLoading: isLoading ?? this.isLoading,
error: error,
isInitialized: isInitialized ?? this.isInitialized,
);
}
}
class ExtensionInstallBatchResult {
final int attempted;
final int installed;
final Map<String, String> failures;
const ExtensionInstallBatchResult({
required this.attempted,
required this.installed,
this.failures = const {},
});
bool get hasFailures => failures.isNotEmpty;
bool get anyInstalled => installed > 0;
}
File diff suppressed because it is too large Load Diff
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// ignore_for_file: invalid_use_of_protected_member, invalid_use_of_visible_for_testing_member
part of 'extension_provider.dart';
/// Download/metadata/search provider priority: persistence, sanitizing, and
/// reconciliation when extensions are installed, removed, or toggled.
extension ExtensionNotifierProviderPriority on ExtensionNotifier {
Future<void> _reconcileDownloadProviderPriority() async {
if (state.providerPriority.isEmpty) {
return;
}
final sanitized = _sanitizeDownloadProviderPriority(state.providerPriority);
if (_stringListEquals(sanitized, state.providerPriority)) {
return;
}
final prefs = await SharedPreferences.getInstance();
await prefs.setString(_providerPriorityKey, jsonEncode(sanitized));
await PlatformBridge.setProviderPriority(sanitized);
state = state.copyWith(providerPriority: sanitized);
_log.d('Reconciled provider priority after extension update: $sanitized');
}
Future<void> _reconcileMetadataProviderPriority() async {
if (state.metadataProviderPriority.isEmpty) {
return;
}
final replaced = _replaceRetiredBuiltInMetadataProviders(
state.metadataProviderPriority,
);
final sanitized = _sanitizeMetadataProviderPriority(replaced);
if (_stringListEquals(sanitized, state.metadataProviderPriority)) {
return;
}
final prefs = await SharedPreferences.getInstance();
await prefs.setString(_metadataProviderPriorityKey, jsonEncode(sanitized));
await PlatformBridge.setMetadataProviderPriority(sanitized);
state = state.copyWith(metadataProviderPriority: sanitized);
_log.d(
'Reconciled metadata provider priority after extension update: $sanitized',
);
}
String? _firstEnabledExtensionDownloadProviderId() {
return state.extensions
.where((ext) => ext.enabled && ext.hasDownloadProvider)
.map((ext) => ext.id)
.firstOrNull;
}
String? _firstEnabledSearchProviderId() {
return defaultSearchExtension(state.extensions)?.id;
}
String? _replacedBuiltInProviderFor(
String providerId,
bool Function(Extension ext) hasCapability,
) {
final normalized = providerId.trim().toLowerCase();
if (normalized.isEmpty) return null;
return state.extensions
.where(
(ext) =>
ext.enabled &&
hasCapability(ext) &&
ext.replacesBuiltInProviders.contains(normalized),
)
.map((ext) => ext.id)
.firstOrNull;
}
String? replacedBuiltInDownloadProviderFor(String providerId) =>
_replacedBuiltInProviderFor(providerId, (ext) => ext.hasDownloadProvider);
String? replacedBuiltInSearchProviderFor(String providerId) =>
_replacedBuiltInProviderFor(providerId, (ext) => ext.hasCustomSearch);
String? replacedBuiltInMetadataProviderFor(String providerId) =>
_replacedBuiltInProviderFor(providerId, (ext) => ext.hasMetadataProvider);
bool downloadProviderReplacesLegacyProvider(
String providerId,
String legacyProviderId,
) {
final normalizedProvider = providerId.trim().toLowerCase();
final normalizedLegacy = legacyProviderId.trim().toLowerCase();
if (normalizedProvider.isEmpty || normalizedLegacy.isEmpty) return false;
if (normalizedProvider == normalizedLegacy) return true;
final extension = state.extensions
.where((ext) => ext.enabled && ext.hasDownloadProvider)
.where((ext) => ext.id.toLowerCase() == normalizedProvider)
.firstOrNull;
return extension?.replacesBuiltInProviders.contains(normalizedLegacy) ??
false;
}
Future<void> _reconcileDefaultDownloadService() async {
final settings = ref.read(settingsProvider);
final preferredExtensionId = _firstEnabledExtensionDownloadProviderId();
final currentService = settings.defaultService.trim();
if (currentService.isEmpty) {
if (preferredExtensionId != null) {
ref
.read(settingsProvider.notifier)
.setDefaultService(preferredExtensionId);
_log.d(
'Adopted first enabled download extension as default service: $preferredExtensionId',
);
}
return;
}
final replacementExtensionId = replacedBuiltInDownloadProviderFor(
currentService,
);
if (replacementExtensionId != null) {
ref
.read(settingsProvider.notifier)
.setDefaultService(replacementExtensionId);
_log.d(
'Migrated retired built-in service $currentService to $replacementExtensionId',
);
return;
}
final currentExtension = state.extensions
.where((ext) => ext.id == currentService)
.firstOrNull;
final isMissingOrInvalidExtension =
currentExtension == null ||
!currentExtension.enabled ||
!currentExtension.hasDownloadProvider;
if (isMissingOrInvalidExtension) {
final fallbackService = preferredExtensionId ?? '';
ref.read(settingsProvider.notifier).setDefaultService(fallbackService);
_log.d(
fallbackService.isEmpty
? 'Cleared default service because $currentService is no longer available'
: 'Reset default service to $fallbackService because $currentService is no longer available',
);
}
}
void _reconcileSearchProvider() {
final settings = ref.read(settingsProvider);
final currentSearchProvider = settings.searchProvider?.trim() ?? '';
final preferredSearchProvider = _firstEnabledSearchProviderId() ?? '';
if (currentSearchProvider.isEmpty) {
if (preferredSearchProvider.isNotEmpty) {
ref
.read(settingsProvider.notifier)
.setSearchProvider(preferredSearchProvider);
_log.d(
'Adopted first enabled search provider as default: $preferredSearchProvider',
);
}
return;
}
final replacementExtensionId = replacedBuiltInSearchProviderFor(
currentSearchProvider,
);
if (replacementExtensionId != null) {
ref
.read(settingsProvider.notifier)
.setSearchProvider(replacementExtensionId);
_log.d(
'Migrated retired built-in search provider $currentSearchProvider to $replacementExtensionId',
);
return;
}
final hasMatchingExtension = state.extensions.any(
(ext) =>
ext.enabled && ext.hasCustomSearch && ext.id == currentSearchProvider,
);
if (!hasMatchingExtension) {
ref
.read(settingsProvider.notifier)
.setSearchProvider(
preferredSearchProvider.isNotEmpty ? preferredSearchProvider : null,
);
_log.d(
preferredSearchProvider.isNotEmpty
? 'Reset stale search provider $currentSearchProvider to $preferredSearchProvider'
: 'Cleared stale search provider because $currentSearchProvider is no longer available',
);
}
}
Future<Map<String, dynamic>> getExtensionSettings(String extensionId) async {
try {
return await PlatformBridge.getExtensionSettings(extensionId);
} catch (e) {
_log.e('Failed to get extension settings: $e');
return {};
}
}
Future<void> setExtensionSettings(
String extensionId,
Map<String, dynamic> settings,
) async {
try {
await PlatformBridge.setExtensionSettings(extensionId, settings);
_log.d('Updated settings for extension: $extensionId');
} catch (e) {
_log.e('Failed to set extension settings: $e');
state = state.copyWith(error: e.toString());
}
}
/// Shared load path for the download/metadata priority lists: prefs first
/// (sanitized), falling back to backend defaults, then persist + push the
/// result back to the backend.
Future<List<String>> _loadPriorityList({
required String prefsKey,
required String label,
required List<String> Function(List<String>) sanitizeStored,
required List<String> Function(List<String>) sanitizeBackend,
required Future<List<String>> Function() fetchBackend,
required Future<void> Function(List<String>) pushBackend,
}) async {
final prefs = await SharedPreferences.getInstance();
final savedJson = prefs.getString(prefsKey);
List<String> priority;
if (savedJson != null) {
final saved = _tryDecodeStringListPreference(savedJson, prefsKey);
if (saved != null) {
priority = sanitizeStored(saved);
_log.d('Loaded $label from prefs: $priority');
} else {
await prefs.remove(prefsKey);
priority = sanitizeBackend(await fetchBackend());
_log.d('Recovered $label from defaults: $priority');
}
} else {
priority = sanitizeBackend(await fetchBackend());
_log.d('Using default $label: $priority');
}
await prefs.setString(prefsKey, jsonEncode(priority));
await pushBackend(priority);
return priority;
}
Future<void> loadProviderPriority() async {
try {
final priority = await _loadPriorityList(
prefsKey: _providerPriorityKey,
label: 'provider priority',
sanitizeStored: _sanitizeDownloadProviderPriority,
sanitizeBackend: _sanitizeDownloadProviderPriority,
fetchBackend: PlatformBridge.getProviderPriority,
pushBackend: PlatformBridge.setProviderPriority,
);
state = state.copyWith(providerPriority: priority);
} catch (e) {
_log.e('Failed to load provider priority: $e');
}
}
Future<void> setProviderPriority(List<String> priority) async {
try {
final sanitized = _sanitizeDownloadProviderPriority(priority);
final prefs = await SharedPreferences.getInstance();
await prefs.setString(_providerPriorityKey, jsonEncode(sanitized));
await PlatformBridge.setProviderPriority(sanitized);
state = state.copyWith(providerPriority: sanitized);
_log.d('Saved provider priority: $sanitized');
} catch (e) {
_log.e('Failed to set provider priority: $e');
state = state.copyWith(error: e.toString());
}
}
List<String> _sanitizeDownloadProviderPriority(List<String> input) {
final allowed = getAllDownloadProviders().toSet();
final preferredOrder = getAllDownloadProviders();
final result = <String>[];
for (final provider in input) {
if (allowed.contains(provider) && !result.contains(provider)) {
result.add(provider);
}
}
for (final provider in preferredOrder) {
if (!result.contains(provider)) {
result.add(provider);
}
}
return result;
}
Future<void> loadMetadataProviderPriority() async {
try {
final priority = await _loadPriorityList(
prefsKey: _metadataProviderPriorityKey,
label: 'metadata provider priority',
sanitizeStored: (saved) => _sanitizeMetadataProviderPriority(
_replaceRetiredBuiltInMetadataProviders(saved),
),
sanitizeBackend: _sanitizeMetadataProviderPriority,
fetchBackend: PlatformBridge.getMetadataProviderPriority,
pushBackend: PlatformBridge.setMetadataProviderPriority,
);
state = state.copyWith(metadataProviderPriority: priority);
} catch (e) {
_log.e('Failed to load metadata provider priority: $e');
}
}
Future<void> setMetadataProviderPriority(List<String> priority) async {
try {
final prefs = await SharedPreferences.getInstance();
final sanitized = _sanitizeMetadataProviderPriority(
_replaceRetiredBuiltInMetadataProviders(priority),
);
await prefs.setString(
_metadataProviderPriorityKey,
jsonEncode(sanitized),
);
await PlatformBridge.setMetadataProviderPriority(sanitized);
state = state.copyWith(metadataProviderPriority: sanitized);
_log.d('Saved metadata provider priority: $sanitized');
} catch (e) {
_log.e('Failed to set metadata provider priority: $e');
state = state.copyWith(error: e.toString());
}
}
Future<void> cleanup() async {
if (_cleanupInFlight) return;
_cleanupInFlight = true;
await _cleanupExtensions(reason: 'manual');
}
List<String> getAllDownloadProviders() {
return _distinctProviderIds(
state.extensions
.where((ext) => ext.enabled && ext.hasDownloadProvider)
.map((ext) => ext.id),
);
}
List<String> getAllMetadataProviders() {
final metadataExtensions = state.extensions
.where((ext) => ext.enabled && ext.hasMetadataProvider)
.toList();
final primarySearchMetadataExtensions = metadataExtensions
.where((ext) => ext.searchBehavior?.primary == true)
.map((ext) => ext.id);
final otherMetadataExtensions = metadataExtensions
.where((ext) => ext.searchBehavior?.primary != true)
.map((ext) => ext.id);
return _distinctProviderIds([
...primarySearchMetadataExtensions,
...otherMetadataExtensions,
]);
}
List<String> _distinctProviderIds(Iterable<String> ids) {
final seen = <String>{};
final result = <String>[];
for (final id in ids) {
final normalized = id.trim();
if (normalized.isNotEmpty && seen.add(normalized)) {
result.add(normalized);
}
}
return result;
}
List<String> _replaceRetiredBuiltInMetadataProviders(List<String> input) {
final result = <String>[];
for (final provider in input) {
final replacement = replacedBuiltInMetadataProviderFor(provider);
final resolved = replacement ?? provider;
if (!result.contains(resolved)) {
result.add(resolved);
}
}
return result;
}
List<String> _sanitizeMetadataProviderPriority(List<String> input) {
final allowed = getAllMetadataProviders().toSet();
final preferredOrder = getAllMetadataProviders();
final result = <String>[];
for (final provider in input) {
if (allowed.contains(provider) && !result.contains(provider)) {
result.add(provider);
}
}
if (result.isEmpty && preferredOrder.isNotEmpty) {
return List<String>.from(preferredOrder);
}
for (final provider in preferredOrder) {
if (!result.contains(provider)) {
result.add(provider);
}
}
return result;
}
}