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api/src/services/UnsplashService.js

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+import { createApi } from 'unsplash-js';
+import * as nodeFetch from 'node-fetch';
+
+export class UnsplashService {
+    constructor(credentials) {
+        this.api = createApi({
+            accessKey: credentials.accessKey,
+            secretKey: credentials.secretKey,
+            fetch: nodeFetch.default
+        });
+    }
+
+    async getRandomPhotos(collections = [], count = DEFAULT_PHOTO_COUNT) {
+        try {
+            const { response } = await this.api.photos.getRandom({
+                orientation: 'landscape',
+                collectionIds: collections,
+                count
+            });
+            return response || [];
+        } catch (error) {
+            console.error("Error fetching photos from Unsplash:", error);
+            return [];
+        }
+    }
+}