codigo actual del servidor, con avances de joan

source_code/lib/repositories/file_repository.dart

@@ -0,0 +1,26 @@
+import 'package:active_ecommerce_seller_app/app_config.dart';
+import 'package:active_ecommerce_seller_app/data_model/simple_image_upload_response.dart';
+import 'package:active_ecommerce_seller_app/helpers/shared_value_helper.dart';
+import 'package:http/http.dart' as http;
+import 'dart:convert';
+import 'package:flutter/foundation.dart';
+
+class FileRepository {
+  Future<SimpleImageUploadResponse> getSimpleImageUploadResponse(
+      @required String image, @required String filename) async {
+    var post_body = jsonEncode({"image": "${image}", "filename": "$filename"});
+    //print(post_body.toString());
+
+    Uri url = Uri.parse("${AppConfig.BASE_URL}/file/image-upload");
+    final response = await http.post(url,
+        headers: {
+          "Content-Type": "application/json",
+          "Authorization": "Bearer ${access_token.$}",
+          "App-Language": app_language.$!
+        },
+        body: post_body);
+
+    //print(response.body.toString());
+    return simpleImageUploadResponseFromJson(response.body);
+  }
+}