45 lines
1.5 KiB
Dart
45 lines
1.5 KiB
Dart
import 'package:mc_gallery/features/core/services/logging_service.dart';
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import 'package:mc_gallery/features/home/data/models/image_model.dart';
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import 'package:mc_gallery/locator.dart';
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import '../abstracts/images_api.dart';
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/// Handles fetching and storing of Images.
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///
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/// Since this is very simple use-case, this is the only interface. For complex (actual CRUD-based) I/O,
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/// an additional Repository layer interface can be used between [ImagesService] and [ImagesApi].
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class ImagesService {
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ImagesService({
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required ImagesApi imagesApi,
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required LoggingService loggingService,
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}) : _imagesApi = imagesApi,
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_loggingService = loggingService {
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_init();
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}
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final ImagesApi _imagesApi;
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final LoggingService _loggingService;
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late final Iterable<ImageModel> _imageModels;
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Iterable<ImageModel> get imageModels => _imageModels;
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Future<void> _init() async {
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_loggingService.info('Fetching and creating image models...');
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_imageModels = await _imagesApi.fetchImageUri(token: '');
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_imageModels.isNotEmpty
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? _loggingService.good("Created ${_imageModels.length} images' models")
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: _loggingService.warning('No images found');
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Locator.instance().signalReady(this);
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}
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int get firstAvailableImageIndex => 0;
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int get lastAvailableImageIndex => _imageModels.length - 1;
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int get numberOfImages => _imageModels.length;
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ImageModel imageModelAt({required int index}) => _imageModels.elementAt(index);
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static ImagesService get locate => Locator.locate();
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}
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