Update for product fetching

app/api/routes/product_routes.py

@@ -20,10 +20,14 @@ def get_product_info(id: int):
 	fields = ['name', 'price', 'image', 'image_name', 'seller']
 
 	fields_param = request.args.get('fields')
-	requested_fields = []
-	
-	return abort(501)
 
+	fields_param_list = fields_param.split(',') if fields_param else fields
+
+	common_fields = list(set(fields) & set(fields_param_list))
+	
+	result, status_code = ProductService.get_product_info(common_fields, id)
+
+	return result, status_code
 
 @bp_product.route('/create', methods=['POST'])
 def create_product_listing():