gitea
2 months ago
parent
38e01c04d0
commit
f462a3d966
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import 'dart:io';
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import 'package:dio/dio.dart';
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import '../local/local_storage_service.dart';
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import '../local/models/item.dart';
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import 'models/immich_asset.dart';
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import 'models/upload_response.dart';
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/// Exception thrown when Immich API operations fail.
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class ImmichException implements Exception {
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/// Error message.
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final String message;
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/// HTTP status code if available.
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final int? statusCode;
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/// Creates an [ImmichException] with the provided message.
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ImmichException(this.message, [this.statusCode]);
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@override
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String toString() {
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if (statusCode != null) {
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return 'ImmichException: $message (Status: $statusCode)';
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}
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return 'ImmichException: $message';
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}
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}
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/// Service for interacting with Immich API.
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///
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/// This service provides:
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/// - Upload images to Immich
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/// - Fetch image lists from Immich
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/// - Store image metadata locally after uploads
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///
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/// The service is modular and UI-independent, designed for offline-first behavior.
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class ImmichService {
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/// HTTP client for API requests.
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final Dio _dio;
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/// Local storage service for caching metadata.
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final LocalStorageService _localStorage;
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/// Immich API base URL.
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final String _baseUrl;
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/// Immich API key for authentication.
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final String _apiKey;
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/// Creates an [ImmichService] instance.
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///
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/// [baseUrl] - Immich server base URL (e.g., 'https://immich.example.com').
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/// [apiKey] - Immich API key for authentication.
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/// [localStorage] - Local storage service for caching metadata.
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/// [dio] - Optional Dio instance for dependency injection (useful for testing).
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ImmichService({
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required String baseUrl,
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required String apiKey,
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required LocalStorageService localStorage,
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Dio? dio,
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}) : _baseUrl = baseUrl,
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_apiKey = apiKey,
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_localStorage = localStorage,
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_dio = dio ?? Dio() {
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_dio.options.baseUrl = baseUrl;
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_dio.options.headers['x-api-key'] = apiKey;
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_dio.options.headers['Content-Type'] = 'application/json';
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}
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/// Uploads an image file to Immich.
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///
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/// [imageFile] - The image file to upload.
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/// [albumId] - Optional album ID to add the image to.
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///
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/// Returns [UploadResponse] containing the uploaded asset ID.
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///
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/// Throws [ImmichException] if upload fails.
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/// Automatically stores metadata in local storage upon successful upload.
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Future<UploadResponse> uploadImage(
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File imageFile, {
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String? albumId,
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}) async {
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try {
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if (!await imageFile.exists()) {
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throw ImmichException('Image file does not exist: ${imageFile.path}');
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}
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// Prepare form data for multipart upload
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final formData = FormData.fromMap({
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'assetData': await MultipartFile.fromFile(
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imageFile.path,
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filename: imageFile.path.split('/').last,
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),
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if (albumId != null) 'albumId': albumId,
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});
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// Upload to Immich
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final response = await _dio.post(
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'/api/asset/upload',
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data: formData,
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);
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if (response.statusCode != 200 && response.statusCode != 201) {
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throw ImmichException(
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'Upload failed: ${response.statusMessage}',
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response.statusCode,
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);
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}
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final uploadResponse = UploadResponse.fromJson(response.data);
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// Fetch full asset details to store complete metadata
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final asset = await _getAssetById(uploadResponse.id);
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// Store metadata in local storage
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await _storeAssetMetadata(asset);
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return uploadResponse;
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} on DioException catch (e) {
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throw ImmichException(
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'Upload failed: ${e.message ?? 'Unknown error'}',
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e.response?.statusCode,
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);
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} catch (e) {
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throw ImmichException('Upload failed: $e');
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}
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}
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/// Fetches a list of assets from Immich.
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///
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/// [limit] - Maximum number of assets to fetch (default: 100).
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/// [skip] - Number of assets to skip (for pagination).
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///
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/// Returns a list of [ImmichAsset] instances.
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///
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/// Throws [ImmichException] if fetch fails.
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/// Automatically stores fetched metadata in local storage.
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Future<List<ImmichAsset>> fetchAssets({
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int limit = 100,
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int skip = 0,
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}) async {
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try {
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final response = await _dio.get(
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'/api/asset',
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queryParameters: {
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'limit': limit,
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'skip': skip,
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},
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);
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if (response.statusCode != 200) {
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throw ImmichException(
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'Failed to fetch assets: ${response.statusMessage}',
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response.statusCode,
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);
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}
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final List<dynamic> assetsJson = response.data;
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final List<ImmichAsset> assets = assetsJson
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.map((json) => ImmichAsset.fromJson(json as Map<String, dynamic>))
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.toList();
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// Store all fetched assets in local storage
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for (final asset in assets) {
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await _storeAssetMetadata(asset);
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}
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return assets;
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} on DioException catch (e) {
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throw ImmichException(
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'Failed to fetch assets: ${e.message ?? 'Unknown error'}',
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e.response?.statusCode,
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);
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} catch (e) {
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throw ImmichException('Failed to fetch assets: $e');
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}
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}
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/// Fetches a single asset by ID.
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///
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/// [assetId] - The unique identifier of the asset.
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///
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/// Returns [ImmichAsset] if found.
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///
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/// Throws [ImmichException] if fetch fails.
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Future<ImmichAsset> _getAssetById(String assetId) async {
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try {
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final response = await _dio.get('/api/asset/$assetId');
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if (response.statusCode != 200) {
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throw ImmichException(
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'Failed to fetch asset: ${response.statusMessage}',
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response.statusCode,
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);
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}
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return ImmichAsset.fromJson(response.data as Map<String, dynamic>);
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} on DioException catch (e) {
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throw ImmichException(
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'Failed to fetch asset: ${e.message ?? 'Unknown error'}',
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e.response?.statusCode,
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);
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} catch (e) {
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throw ImmichException('Failed to fetch asset: $e');
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}
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}
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/// Stores asset metadata in local storage.
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///
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/// [asset] - The asset to store.
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Future<void> _storeAssetMetadata(ImmichAsset asset) async {
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try {
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final item = Item(
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id: 'immich_${asset.id}',
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data: {
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'type': 'immich_asset',
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'asset': asset.toJson(),
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},
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);
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await _localStorage.insertItem(item);
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} catch (e) {
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// Log error but don't fail the upload/fetch operation
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// Local storage is a cache, not critical for the operation
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}
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}
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/// Gets locally cached asset metadata.
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///
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/// [assetId] - The unique identifier of the asset.
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///
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/// Returns [ImmichAsset] if found in local storage, null otherwise.
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Future<ImmichAsset?> getCachedAsset(String assetId) async {
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try {
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final item = await _localStorage.getItem('immich_$assetId');
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if (item == null) return null;
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final assetData = item.data['asset'] as Map<String, dynamic>;
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return ImmichAsset.fromLocalJson(assetData);
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} catch (e) {
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return null;
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}
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}
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/// Gets all locally cached assets.
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///
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/// Returns a list of [ImmichAsset] instances from local storage.
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Future<List<ImmichAsset>> getCachedAssets() async {
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try {
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final items = await _localStorage.getAllItems();
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final List<ImmichAsset> assets = [];
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for (final item in items) {
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if (item.data['type'] == 'immich_asset') {
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final assetData = item.data['asset'] as Map<String, dynamic>;
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assets.add(ImmichAsset.fromLocalJson(assetData));
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}
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}
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return assets;
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} catch (e) {
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return [];
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}
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}
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}
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/// Represents an asset (image) from Immich API.
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class ImmichAsset {
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/// Unique identifier for the asset.
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final String id;
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/// File name of the asset.
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final String fileName;
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/// Creation date/time of the asset.
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final DateTime createdAt;
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/// File size in bytes.
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final int fileSize;
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/// MIME type of the asset.
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final String mimeType;
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/// Width of the image in pixels.
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final int? width;
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/// Height of the image in pixels.
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final int? height;
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/// Creates an [ImmichAsset] instance.
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ImmichAsset({
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required this.id,
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required this.fileName,
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required this.createdAt,
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required this.fileSize,
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required this.mimeType,
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this.width,
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this.height,
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});
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/// Creates an [ImmichAsset] from Immich API JSON response.
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factory ImmichAsset.fromJson(Map<String, dynamic> json) {
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return ImmichAsset(
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id: json['id'] as String,
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fileName: json['originalFileName'] as String? ?? json['fileName'] as String? ?? 'unknown',
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createdAt: DateTime.parse(json['createdAt'] as String),
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fileSize: json['fileSizeByte'] as int? ?? json['fileSize'] as int? ?? 0,
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mimeType: json['mimeType'] as String? ?? 'image/jpeg',
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width: json['exifInfo']?['imageWidth'] as int?,
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height: json['exifInfo']?['imageHeight'] as int?,
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);
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}
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/// Converts [ImmichAsset] to JSON for local storage.
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Map<String, dynamic> toJson() {
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return {
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'id': id,
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'fileName': fileName,
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'createdAt': createdAt.toIso8601String(),
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'fileSize': fileSize,
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'mimeType': mimeType,
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'width': width,
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'height': height,
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};
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}
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/// Creates an [ImmichAsset] from local storage JSON.
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factory ImmichAsset.fromLocalJson(Map<String, dynamic> json) {
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return ImmichAsset(
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id: json['id'] as String,
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fileName: json['fileName'] as String,
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createdAt: DateTime.parse(json['createdAt'] as String),
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fileSize: json['fileSize'] as int,
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mimeType: json['mimeType'] as String,
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width: json['width'] as int?,
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height: json['height'] as int?,
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);
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}
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@override
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String toString() {
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return 'ImmichAsset(id: $id, fileName: $fileName, createdAt: $createdAt)';
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}
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}
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/// Response from Immich upload API.
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class UploadResponse {
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/// The unique identifier of the uploaded asset.
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final String id;
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/// Whether the upload was a duplicate (already existed).
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final bool duplicate;
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/// Creates an [UploadResponse] instance.
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UploadResponse({
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required this.id,
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required this.duplicate,
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});
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/// Creates an [UploadResponse] from Immich API JSON response.
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factory UploadResponse.fromJson(Map<String, dynamic> json) {
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return UploadResponse(
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id: json['id'] as String,
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duplicate: json['duplicate'] as bool? ?? false,
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);
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}
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@override
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String toString() {
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return 'UploadResponse(id: $id, duplicate: $duplicate)';
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}
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}
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@ -0,0 +1,447 @@
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import 'dart:io';
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import 'dart:convert';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:dio/dio.dart';
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import 'package:app_boilerplate/data/immich/immich_service.dart';
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import 'package:app_boilerplate/data/immich/models/immich_asset.dart';
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import 'package:app_boilerplate/data/immich/models/upload_response.dart';
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import 'package:app_boilerplate/data/local/local_storage_service.dart';
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import 'package:app_boilerplate/data/local/models/item.dart';
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import 'package:path/path.dart' as path;
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import 'package:sqflite_common_ffi/sqflite_ffi.dart';
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void main() {
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// Initialize Flutter bindings and sqflite for testing
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TestWidgetsFlutterBinding.ensureInitialized();
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sqfliteFfiInit();
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databaseFactory = databaseFactoryFfi;
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late LocalStorageService localStorage;
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late Directory testDir;
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late String testDbPath;
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late Directory testCacheDir;
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setUp(() async {
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// Create temporary directory for testing
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testDir = await Directory.systemTemp.createTemp('immich_test_');
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testDbPath = path.join(testDir.path, 'test_local_storage.db');
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testCacheDir = Directory(path.join(testDir.path, 'image_cache'));
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// Initialize local storage
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localStorage = LocalStorageService(
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testDbPath: testDbPath,
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testCacheDir: testCacheDir,
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);
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await localStorage.initialize();
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});
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tearDown(() async {
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await localStorage.close();
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try {
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if (await testDir.exists()) {
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await testDir.delete(recursive: true);
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}
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} catch (_) {
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// Ignore cleanup errors
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}
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});
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group('ImmichService - Upload', () {
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/// Tests successful image upload.
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test('uploadImage - success', () async {
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// Arrange
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final testFile = File(path.join(testDir.path, 'test_image.jpg'));
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await testFile.writeAsBytes([1, 2, 3, 4, 5]);
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final mockDio = _createMockDio(
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onPost: (path, data) => Response(
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statusCode: 200,
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data: {
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'id': 'asset-123',
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'duplicate': false,
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},
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requestOptions: RequestOptions(path: path),
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),
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onGet: (path) => Response(
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statusCode: 200,
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data: {
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'id': 'asset-123',
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'originalFileName': 'test_image.jpg',
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'createdAt': DateTime.now().toIso8601String(),
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'fileSizeByte': 5,
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'mimeType': 'image/jpeg',
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},
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requestOptions: RequestOptions(path: path),
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),
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);
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final immichService = ImmichService(
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baseUrl: 'https://immich.example.com',
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apiKey: 'test-api-key',
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localStorage: localStorage,
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dio: mockDio,
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);
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// Act
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final response = await immichService.uploadImage(testFile);
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// Assert
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expect(response.id, equals('asset-123'));
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expect(response.duplicate, isFalse);
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// Verify metadata was stored locally
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final cachedAsset = await immichService.getCachedAsset('asset-123');
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expect(cachedAsset, isNotNull);
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expect(cachedAsset!.id, equals('asset-123'));
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});
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/// Tests upload failure when file doesn't exist.
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test('uploadImage - file not found', () async {
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// Arrange
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final nonExistentFile = File(path.join(testDir.path, 'non_existent.jpg'));
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final mockDio = _createMockDio();
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final immichService = ImmichService(
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baseUrl: 'https://immich.example.com',
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apiKey: 'test-api-key',
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localStorage: localStorage,
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dio: mockDio,
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);
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// Act & Assert
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expect(
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() => immichService.uploadImage(nonExistentFile),
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throwsA(isA<ImmichException>()),
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);
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});
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/// Tests upload failure with network error.
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test('uploadImage - network error', () async {
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// Arrange
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final testFile = File(path.join(testDir.path, 'test_image.jpg'));
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await testFile.writeAsBytes([1, 2, 3]);
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final mockDio = _createMockDio(
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onPost: (path, data) => throw DioException(
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requestOptions: RequestOptions(path: path),
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error: 'Network error',
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),
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);
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final immichService = ImmichService(
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baseUrl: 'https://immich.example.com',
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apiKey: 'test-api-key',
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localStorage: localStorage,
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dio: mockDio,
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);
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// Act & Assert
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expect(
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() => immichService.uploadImage(testFile),
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throwsA(isA<ImmichException>()),
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);
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});
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/// Tests upload with duplicate detection.
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test('uploadImage - duplicate asset', () async {
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// Arrange
|
||||
final testFile = File(path.join(testDir.path, 'test_image.jpg'));
|
||||
await testFile.writeAsBytes([1, 2, 3]);
|
||||
|
||||
final mockDio = _createMockDio(
|
||||
onPost: (path, data) => Response(
|
||||
statusCode: 200,
|
||||
data: {
|
||||
'id': 'asset-456',
|
||||
'duplicate': true,
|
||||
},
|
||||
requestOptions: RequestOptions(path: path),
|
||||
),
|
||||
onGet: (path) => Response(
|
||||
statusCode: 200,
|
||||
data: {
|
||||
'id': 'asset-456',
|
||||
'originalFileName': 'test_image.jpg',
|
||||
'createdAt': DateTime.now().toIso8601String(),
|
||||
'fileSizeByte': 3,
|
||||
'mimeType': 'image/jpeg',
|
||||
},
|
||||
requestOptions: RequestOptions(path: path),
|
||||
),
|
||||
);
|
||||
|
||||
final immichService = ImmichService(
|
||||
baseUrl: 'https://immich.example.com',
|
||||
apiKey: 'test-api-key',
|
||||
localStorage: localStorage,
|
||||
dio: mockDio,
|
||||
);
|
||||
|
||||
// Act
|
||||
final response = await immichService.uploadImage(testFile);
|
||||
|
||||
// Assert
|
||||
expect(response.duplicate, isTrue);
|
||||
});
|
||||
});
|
||||
|
||||
group('ImmichService - Fetch Assets', () {
|
||||
/// Tests successful asset fetch.
|
||||
test('fetchAssets - success', () async {
|
||||
// Arrange
|
||||
final mockAssets = [
|
||||
{
|
||||
'id': 'asset-1',
|
||||
'originalFileName': 'image1.jpg',
|
||||
'createdAt': DateTime.now().toIso8601String(),
|
||||
'fileSizeByte': 1000,
|
||||
'mimeType': 'image/jpeg',
|
||||
},
|
||||
{
|
||||
'id': 'asset-2',
|
||||
'originalFileName': 'image2.jpg',
|
||||
'createdAt': DateTime.now().toIso8601String(),
|
||||
'fileSizeByte': 2000,
|
||||
'mimeType': 'image/png',
|
||||
},
|
||||
];
|
||||
|
||||
final mockDio = _createMockDio(
|
||||
onGet: (path) => Response(
|
||||
statusCode: 200,
|
||||
data: mockAssets,
|
||||
requestOptions: RequestOptions(path: path),
|
||||
),
|
||||
);
|
||||
|
||||
final immichService = ImmichService(
|
||||
baseUrl: 'https://immich.example.com',
|
||||
apiKey: 'test-api-key',
|
||||
localStorage: localStorage,
|
||||
dio: mockDio,
|
||||
);
|
||||
|
||||
// Act
|
||||
final assets = await immichService.fetchAssets(limit: 100);
|
||||
|
||||
// Assert
|
||||
expect(assets.length, equals(2));
|
||||
expect(assets[0].id, equals('asset-1'));
|
||||
expect(assets[1].id, equals('asset-2'));
|
||||
|
||||
// Verify assets were cached locally
|
||||
final cachedAssets = await immichService.getCachedAssets();
|
||||
expect(cachedAssets.length, equals(2));
|
||||
});
|
||||
|
||||
/// Tests fetch with pagination.
|
||||
test('fetchAssets - pagination', () async {
|
||||
// Arrange
|
||||
final mockDio = _createMockDio(
|
||||
onGet: (path) {
|
||||
// Extract query parameters from request options
|
||||
// The path might be just the endpoint, so we need to check request options
|
||||
final uri = path.startsWith('http')
|
||||
? Uri.parse(path)
|
||||
: Uri.parse('https://immich.example.com$path');
|
||||
final queryParams = uri.queryParameters;
|
||||
final skip = int.parse(queryParams['skip'] ?? '0');
|
||||
final limit = int.parse(queryParams['limit'] ?? '100');
|
||||
|
||||
return Response(
|
||||
statusCode: 200,
|
||||
data: List.generate(
|
||||
limit,
|
||||
(i) => {
|
||||
'id': 'asset-${skip + i}',
|
||||
'originalFileName': 'image${skip + i}.jpg',
|
||||
'createdAt': DateTime.now().toIso8601String(),
|
||||
'fileSizeByte': 1000,
|
||||
'mimeType': 'image/jpeg',
|
||||
},
|
||||
),
|
||||
requestOptions: RequestOptions(path: path),
|
||||
);
|
||||
},
|
||||
);
|
||||
|
||||
final immichService = ImmichService(
|
||||
baseUrl: 'https://immich.example.com',
|
||||
apiKey: 'test-api-key',
|
||||
localStorage: localStorage,
|
||||
dio: mockDio,
|
||||
);
|
||||
|
||||
// Act
|
||||
final assets1 = await immichService.fetchAssets(limit: 10, skip: 0);
|
||||
final assets2 = await immichService.fetchAssets(limit: 10, skip: 10);
|
||||
|
||||
// Assert
|
||||
expect(assets1.length, equals(10));
|
||||
expect(assets2.length, equals(10));
|
||||
expect(assets1[0].id, equals('asset-0'));
|
||||
expect(assets2[0].id, equals('asset-10'));
|
||||
});
|
||||
|
||||
/// Tests fetch failure with server error.
|
||||
test('fetchAssets - server error', () async {
|
||||
// Arrange
|
||||
final mockDio = _createMockDio(
|
||||
onGet: (path) => Response(
|
||||
statusCode: 500,
|
||||
data: {'error': 'Internal server error'},
|
||||
requestOptions: RequestOptions(path: path),
|
||||
),
|
||||
);
|
||||
|
||||
final immichService = ImmichService(
|
||||
baseUrl: 'https://immich.example.com',
|
||||
apiKey: 'test-api-key',
|
||||
localStorage: localStorage,
|
||||
dio: mockDio,
|
||||
);
|
||||
|
||||
// Act & Assert
|
||||
expect(
|
||||
() => immichService.fetchAssets(),
|
||||
throwsA(isA<ImmichException>()),
|
||||
);
|
||||
});
|
||||
});
|
||||
|
||||
group('ImmichService - Cached Assets', () {
|
||||
/// Tests getting cached asset by ID.
|
||||
test('getCachedAsset - success', () async {
|
||||
// Arrange - store asset in local storage
|
||||
final asset = ImmichAsset(
|
||||
id: 'asset-789',
|
||||
fileName: 'cached_image.jpg',
|
||||
createdAt: DateTime.now(),
|
||||
fileSize: 5000,
|
||||
mimeType: 'image/jpeg',
|
||||
);
|
||||
|
||||
final item = Item(
|
||||
id: 'immich_asset-789',
|
||||
data: {
|
||||
'type': 'immich_asset',
|
||||
'asset': asset.toJson(),
|
||||
},
|
||||
);
|
||||
await localStorage.insertItem(item);
|
||||
|
||||
final mockDio = _createMockDio();
|
||||
final immichService = ImmichService(
|
||||
baseUrl: 'https://immich.example.com',
|
||||
apiKey: 'test-api-key',
|
||||
localStorage: localStorage,
|
||||
dio: mockDio,
|
||||
);
|
||||
|
||||
// Act
|
||||
final cached = await immichService.getCachedAsset('asset-789');
|
||||
|
||||
// Assert
|
||||
expect(cached, isNotNull);
|
||||
expect(cached!.id, equals('asset-789'));
|
||||
expect(cached.fileName, equals('cached_image.jpg'));
|
||||
});
|
||||
|
||||
/// Tests getting cached asset when not found.
|
||||
test('getCachedAsset - not found', () async {
|
||||
// Arrange
|
||||
final mockDio = _createMockDio();
|
||||
final immichService = ImmichService(
|
||||
baseUrl: 'https://immich.example.com',
|
||||
apiKey: 'test-api-key',
|
||||
localStorage: localStorage,
|
||||
dio: mockDio,
|
||||
);
|
||||
|
||||
// Act
|
||||
final cached = await immichService.getCachedAsset('non-existent');
|
||||
|
||||
// Assert
|
||||
expect(cached, isNull);
|
||||
});
|
||||
|
||||
/// Tests getting all cached assets.
|
||||
test('getCachedAssets - returns all cached', () async {
|
||||
// Arrange - store multiple assets
|
||||
final assets = [
|
||||
ImmichAsset(
|
||||
id: 'asset-1',
|
||||
fileName: 'image1.jpg',
|
||||
createdAt: DateTime.now(),
|
||||
fileSize: 1000,
|
||||
mimeType: 'image/jpeg',
|
||||
),
|
||||
ImmichAsset(
|
||||
id: 'asset-2',
|
||||
fileName: 'image2.jpg',
|
||||
createdAt: DateTime.now(),
|
||||
fileSize: 2000,
|
||||
mimeType: 'image/png',
|
||||
),
|
||||
];
|
||||
|
||||
for (final asset in assets) {
|
||||
final item = Item(
|
||||
id: 'immich_${asset.id}',
|
||||
data: {
|
||||
'type': 'immich_asset',
|
||||
'asset': asset.toJson(),
|
||||
},
|
||||
);
|
||||
await localStorage.insertItem(item);
|
||||
}
|
||||
|
||||
final mockDio = _createMockDio();
|
||||
final immichService = ImmichService(
|
||||
baseUrl: 'https://immich.example.com',
|
||||
apiKey: 'test-api-key',
|
||||
localStorage: localStorage,
|
||||
dio: mockDio,
|
||||
);
|
||||
|
||||
// Act
|
||||
final cached = await immichService.getCachedAssets();
|
||||
|
||||
// Assert
|
||||
expect(cached.length, equals(2));
|
||||
expect(cached.map((a) => a.id).toList(), containsAll(['asset-1', 'asset-2']));
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
/// Helper to create a mock Dio instance for testing.
|
||||
Dio _createMockDio({
|
||||
Response Function(String path, dynamic data)? onPost,
|
||||
Response Function(String path)? onGet,
|
||||
}) {
|
||||
final dio = Dio();
|
||||
dio.options.baseUrl = 'https://immich.example.com';
|
||||
|
||||
dio.interceptors.add(InterceptorsWrapper(
|
||||
onRequest: (options, handler) {
|
||||
if (options.method == 'POST' && onPost != null) {
|
||||
final response = onPost(options.path, options.data);
|
||||
handler.resolve(response);
|
||||
} else if (options.method == 'GET' && onGet != null) {
|
||||
// Build full URL with query parameters for GET requests
|
||||
final queryString = options.queryParameters.entries
|
||||
.map((e) => '${e.key}=${e.value}')
|
||||
.join('&');
|
||||
final fullPath = queryString.isNotEmpty
|
||||
? '${options.path}?$queryString'
|
||||
: options.path;
|
||||
final response = onGet(fullPath);
|
||||
handler.resolve(response);
|
||||
} else {
|
||||
handler.next(options);
|
||||
}
|
||||
},
|
||||
));
|
||||
|
||||
return dio;
|
||||
}
|
||||
Loading…
Reference in new issue