Implement uploading of files for model fine-tuning to OpenAI API

src/SoakpProxy.ts

@@ -392,6 +392,17 @@ export class SoakpProxy {
    * @param jobId
    */
   async cancelFineTuneJob(jobId: string) {
-    return await this.openai.cancelFineTune(jobId);
-  }
+      async uploadFineTuneFile(file: any, purpose: string = 'fine-tune') {
+        try {
+          // Add error handling for other types of errors
+          return await this.openai.createFile(file, purpose);
+        } catch (err: any) {
+          console.log(err);
+          if (err instanceof TypeError) {
+            throw new Error(err.message);
+          } else {
+            throw err;
+          }
+        }
+      }
 }

src/openai/OpenaiFilesApi.ts

@@ -386,4 +386,15 @@ export class OpenaiFilesApi {
     }
     return buffer;
   }
+
+  /**
+   * Convert a file to JSONL format.
+   *
+   * @param file
+   */
+  async convertToJSONL(file: any) {
+    // Implement the Python code to convert the file to JSONL format
+    // This code will depend on the specific requirements and the Python library used
+    // ...
+  }
 }

src/openai/OpenaiFinetunesApi.ts

@@ -60,6 +60,11 @@ export class OpenaiFinetunesApi {
                          validateToken(ctx.jwtHash, ctx.getKeyStorage(), ctx.getUser()),
                          getProxyInstance(ctx),
                          this.cancelJob.bind(ctx));
+
+    this.appService.post('/openai/fine-tunes/upload',
+                         validateToken(ctx.jwtHash, ctx.getKeyStorage(), ctx.getUser()),
+                         getProxyInstance(ctx),
+                         this.uploadFineTuneFile.bind(ctx));
   }
 
   /**