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refactor: improve app start time

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This commit is contained in:
cogwheel0
2025-09-16 20:10:53 +05:30
parent f80930685c
commit ac12eca6b5
13 changed files with 150 additions and 188 deletions
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209
lib/core/providers/app_providers.dart
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@@ -682,137 +682,104 @@ final defaultModelProvider = FutureProvider<Model?>((ref) async {
if (api == null) return null;
try {
// Get all available models first
// Respect manual selection if present
if (ref.read(isManualModelSelectionProvider)) {
final current = ref.read(selectedModelProvider);
if (current != null) return current;
}
// 1) Fast path: read stored default model ID directly and select optimistically
try {
final storedDefaultId = await SettingsService.getDefaultModel();
if (storedDefaultId != null && storedDefaultId.isNotEmpty) {
if (!ref.read(isManualModelSelectionProvider)) {
final placeholder = Model(
id: storedDefaultId,
name: storedDefaultId,
supportsStreaming: true,
);
ref.read(selectedModelProvider.notifier).state = placeholder;
}
// Reconcile against real models in background
Future.microtask(() async {
try {
final models = await ref.read(modelsProvider.future);
Model? resolved;
try {
resolved = models.firstWhere((m) => m.id == storedDefaultId);
} catch (_) {
final byName = models
.where((m) => m.name == storedDefaultId)
.toList();
if (byName.length == 1) resolved = byName.first;
}
resolved ??= models.isNotEmpty ? models.first : null;
if (resolved != null && !ref.read(isManualModelSelectionProvider)) {
ref.read(selectedModelProvider.notifier).state = resolved;
foundation.debugPrint(
'DEBUG: Reconciled default model to ${resolved.name}',
);
}
} catch (_) {}
});
return ref.read(selectedModelProvider);
}
} catch (_) {}
// 2) Fast server path: query server default ID without listing all models
try {
final serverDefault = await api.getDefaultModel();
if (serverDefault != null && serverDefault.isNotEmpty) {
if (!ref.read(isManualModelSelectionProvider)) {
final placeholder = Model(
id: serverDefault,
name: serverDefault,
supportsStreaming: true,
);
ref.read(selectedModelProvider.notifier).state = placeholder;
}
// Reconcile against real models in background
Future.microtask(() async {
try {
final models = await ref.read(modelsProvider.future);
Model? resolved;
try {
resolved = models.firstWhere((m) => m.id == serverDefault);
} catch (_) {
final byName = models
.where((m) => m.name == serverDefault)
.toList();
if (byName.length == 1) resolved = byName.first;
}
resolved ??= models.isNotEmpty ? models.first : null;
if (resolved != null && !ref.read(isManualModelSelectionProvider)) {
ref.read(selectedModelProvider.notifier).state = resolved;
foundation.debugPrint(
'DEBUG: Reconciled server default to ${resolved.name}',
);
}
} catch (_) {}
});
return ref.read(selectedModelProvider);
}
} catch (_) {}
// 3) Fallback: fetch models and pick first available
final models = await ref.read(modelsProvider.future);
if (models.isEmpty) {
foundation.debugPrint('DEBUG: No models available');
return null;
}
Model? selectedModel;
// First check user's preferred default model (ID only). If an older
// name-based value is found, migrate it once to the correct ID.
final userSettings = ref.read(appSettingsProvider);
final userDefaultModelId = userSettings.defaultModel;
if (userDefaultModelId != null && userDefaultModelId.isNotEmpty) {
try {
// Exact ID match only
selectedModel = models.firstWhere(
(model) => model.id == userDefaultModelId,
);
foundation.debugPrint(
'DEBUG: Found user default model by ID: ${selectedModel.name}',
);
} catch (e) {
// Attempt a one-time migration if the stored value was a model name
// from older versions. Only migrate on exact, unique name match.
final nameMatches = models
.where((m) => m.name == userDefaultModelId)
.toList();
if (nameMatches.length == 1) {
selectedModel = nameMatches.first;
foundation.debugPrint(
'DEBUG: Migrating user default model name to ID: '
'${nameMatches.first.name} -> ${nameMatches.first.id}',
);
// Persist the migrated ID
await ref
.read(appSettingsProvider.notifier)
.setDefaultModel(nameMatches.first.id);
} else {
foundation.debugPrint(
'DEBUG: User default model "$userDefaultModelId" not found by ID and '
'no unique name match. Ignoring.',
);
selectedModel =
null; // Will fall back to server default or first model
}
}
}
// If no user default or user default not found, try server's default model
if (selectedModel == null) {
try {
final defaultModelId = await api.getDefaultModel();
if (defaultModelId != null && defaultModelId.isNotEmpty) {
// Find the model that matches the default model ID (ID only)
try {
selectedModel = models.firstWhere(
(model) => model.id == defaultModelId,
);
foundation.debugPrint(
'DEBUG: Found server default model by ID: ${selectedModel.name}',
);
} catch (e) {
// If server returned a name instead of ID, attempt exact name match.
final byName = models
.where((m) => m.name == defaultModelId)
.toList();
if (byName.length == 1) {
selectedModel = byName.first;
foundation.debugPrint(
'DEBUG: Server default "$defaultModelId" matched by name; '
'selected ${selectedModel.name} (${selectedModel.id})',
);
} else {
foundation.debugPrint(
'DEBUG: Server default model "$defaultModelId" not found by ID; '
'falling back to first available',
);
selectedModel = models.first;
}
}
} else {
// No server default, use first available model
selectedModel = models.first;
foundation.debugPrint(
'DEBUG: No server default model, using first available: ${selectedModel.name}',
);
}
} catch (apiError) {
foundation.debugPrint(
'DEBUG: Failed to get default model from server: $apiError',
);
// Use first available model as fallback
selectedModel = models.first;
foundation.debugPrint(
'DEBUG: Using first available model as fallback: ${selectedModel.name}',
);
}
}
// Update selection immediately inside provider context
final selectedModel = models.first;
if (!ref.read(isManualModelSelectionProvider)) {
ref.read(selectedModelProvider.notifier).state = selectedModel;
foundation.debugPrint('DEBUG: Set default model: ${selectedModel.name}');
foundation.debugPrint(
'DEBUG: Set default model (fallback): ${selectedModel.name}',
);
}
return selectedModel;
} catch (e) {
foundation.debugPrint('DEBUG: Error setting default model: $e');
// Final fallback: try to select any available model
try {
final models = await ref.read(modelsProvider.future);
if (models.isNotEmpty) {
final fallbackModel = models.first;
if (!ref.read(isManualModelSelectionProvider)) {
ref.read(selectedModelProvider.notifier).state = fallbackModel;
foundation.debugPrint(
'DEBUG: Fallback to first available model: ${fallbackModel.name}',
);
}
return fallbackModel;
}
} catch (fallbackError) {
foundation.debugPrint(
'DEBUG: Error in fallback model selection: $fallbackError',
);
}
return null;
}
});
@@ -826,7 +793,7 @@ final backgroundModelLoadProvider = Provider<void>((ref) {
// Schedule background loading without blocking
Future.microtask(() async {
// Wait a bit to ensure auth is complete
await Future.delayed(const Duration(milliseconds: 1500));
await Future.delayed(const Duration(milliseconds: 200));
foundation.debugPrint('DEBUG: Starting background model loading');