Update services/q

services/q

@@ -0,0 +1,59 @@
+import { uploadFile } from '@huggingface/hub';
+import { RepoType } from '../types';
+
+/**
+ * MOCK BACKEND SERVICE
+ * 
+ * In a real-world scenario, this file would be a Node.js/Python server.
+ * Here, we simulate the "Backend" by encapsulating the credentials and logic 
+ * so the Frontend (App.tsx) knows nothing about tokens or repository names.
+ */
+
+// HARDCODED SERVER CONFIGURATION
+const SERVER_CONFIG = {
+  TOKEN: process.env.HF_TOKEN,
+  REPO: 'TwanAPI/DataTwan',
+  TYPE: 'dataset' as RepoType
+};
+
+interface UploadPayload {
+  file: File;
+  path: string;
+}
+
+/**
+ * Uploads a file to the configured internal repository.
+ * 
+ * @param payload File and destination path
+ * @returns The public URL of the uploaded file
+ */
+export const uploadFileToHub = async (payload: UploadPayload): Promise<string> => {
+  const { file, path } = payload;
+  const { TOKEN, REPO, TYPE } = SERVER_CONFIG;
+
+  console.log(`[BE] Received upload request for: ${path}`);
+
+  try {
+    const response = await uploadFile({
+      credentials: {
+        accessToken: TOKEN,
+      },
+      repo: {
+        type: TYPE,
+        name: REPO
+      },
+      file: {
+        path: path,
+        content: file,
+      },
+    });
+
+    const commitHash = response.commit.oid;
+    const urlPrefix = "https://huggingface.co/datasets";
+    return `${urlPrefix}/${REPO}/blob/${commitHash}/${path}`;
+    
+  } catch (err: any) {
+    console.error("[BE] Upload Failed:", err);
+    throw new Error("Server Upload Error: " + (err.message || "Unknown error"));
+  }
+};