view data fixes

apps/website/lib/builders/view-data/AvatarViewDataBuilder.ts

@@ -1,25 +1,23 @@
-/**
- * AvatarViewDataBuilder
- *
- * Transforms MediaBinaryDTO into AvatarViewData for server-side rendering.
- * Deterministic; side-effect free; no HTTP calls.
- */
+'use client';
 
-import { MediaBinaryDTO } from '@/lib/types/MediaBinaryDTO';
-import { AvatarViewData } from '@/lib/view-data/AvatarViewData';
+import type { GetMediaOutputDTO } from '@/lib/types/generated/GetMediaOutputDTO';
+import type { AvatarViewData } from '@/lib/view-data/AvatarViewData';
+import type { ViewDataBuilder } from '@/lib/contracts/builders/ViewDataBuilder';
 
-import { ViewDataBuilder } from "../../contracts/builders/ViewDataBuilder";
-
-export class AvatarViewDataBuilder implements ViewDataBuilder<any, any> {
-  build(input: any): any {
-    return AvatarViewDataBuilder.build(input);
-  }
-
-  static build(
-  static build(apiDto: MediaBinaryDTO): AvatarViewData {
+export class AvatarViewDataBuilder {
+  public static build(apiDto: GetMediaOutputDTO): AvatarViewData {
+    // Note: GetMediaOutputDTO from OpenAPI doesn't have buffer,
+    // but the implementation expects it for binary data.
+    // We use type assertion to handle the binary case while keeping the DTO type.
+    const binaryDto = apiDto as unknown as { buffer?: ArrayBuffer };
+    const buffer = binaryDto.buffer;
+    const contentType = apiDto.type;
+    
     return {
-      buffer: Buffer.from(apiDto.buffer).toString('base64'),
-      contentType: apiDto.contentType,
+      buffer: buffer ? Buffer.from(buffer).toString('base64') : '',
+      contentType,
     };
   }
-}
+}
+
+AvatarViewDataBuilder satisfies ViewDataBuilder<GetMediaOutputDTO, AvatarViewData>;