website refactor

apps/website/lib/adapters/MediaAdapter.ts

@@ -0,0 +1,63 @@
+/**
+ * MediaAdapter
+ *
+ * Handles HTTP operations for media assets.
+ * This is where external API calls belong.
+ */
+
+import { Result } from '@/lib/contracts/Result';
+import { DomainError } from '@/lib/contracts/services/Service';
+import { getWebsiteApiBaseUrl } from '@/lib/config/apiBaseUrl';
+import { MediaBinaryDTO } from '@/lib/types/MediaBinaryDTO';
+
+/**
+ * MediaAdapter
+ *
+ * Handles binary media fetching from the API.
+ * All HTTP calls are isolated here.
+ */
+export class MediaAdapter {
+  private baseUrl: string;
+
+  constructor() {
+    this.baseUrl = getWebsiteApiBaseUrl();
+  }
+
+  /**
+   * Fetch binary media from API
+   * 
+   * @param mediaPath - API path to media resource
+   * @returns Result with MediaBinaryDTO on success, DomainError on failure
+   */
+  async fetchMedia(mediaPath: string): Promise<Result<MediaBinaryDTO, DomainError>> {
+    try {
+      const response = await fetch(`${this.baseUrl}${mediaPath}`, {
+        method: 'GET',
+      });
+
+      if (!response.ok) {
+        if (response.status === 404) {
+          return Result.err({ 
+            type: 'notFound', 
+            message: `Media not found: ${mediaPath}` 
+          });
+        }
+        return Result.err({ 
+          type: 'serverError', 
+          message: `HTTP ${response.status}: ${response.statusText}` 
+        });
+      }
+
+      const buffer = await response.arrayBuffer();
+      const contentType = response.headers.get('content-type') || 'image/svg+xml';
+      
+      return Result.ok({ buffer, contentType });
+    } catch (error) {
+      const errorMessage = error instanceof Error ? error.message : 'Unknown error';
+      return Result.err({ 
+        type: 'networkError', 
+        message: `Failed to fetch media: ${errorMessage}` 
+      });
+    }
+  }
+}