backend

lib/features/home/api/unsplash_images_api.dart

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+import 'dart:async';
+import 'dart:math';
+
+import '/features/core/data/constants/const_values.dart';
+import '/l10n/generated/l10n.dart';
+import '../abstracts/images_api.dart';
+import '../data/models/image_model.dart';
+
+class UnsplashImagesApi implements ImagesApi {
+  @override
+  FutureOr<Iterable<ImageModel>> fetchImageUri({required String token}) {
+    final random = Random();
+
+    return Iterable<int>.generate(ConstValues.numberOfImages).map((final imageIndex) {
+      // Drawing from a normal distribution
+      final imageSide = ConstValues.minImageSize +
+          random.nextInt((ConstValues.maxImageSize + 1) - ConstValues.minImageSize);
+
+      final imageUri = _imageUrlGenerator(imageSide: imageSide);
+
+      return ImageModel<int>(
+        comparableIndex: imageIndex,
+        uri: imageUri,
+        imageName: Strings.current.image,
+      );
+    });
+  }
+
+  Uri _imageUrlGenerator({required int imageSide}) => Uri(
+        scheme: ConstValues.httpsScheme,
+        host: ConstValues.backendHost,
+        pathSegments: ConstValues.backendUrlPathSegments..add('${imageSide}x$imageSide'),
+      );
+}