Data path can point to an object rather than only an array of objects

DEVELOPMENT.md

@@ -123,6 +123,7 @@ This section contains notes about dependencies.
 
 ## To-Do
 
+* Add ability to move parsing options up and down
 * Add support for secure variable data defined in the data source configuration
   * The variables defined here cannot be overridden for any request - this is for security
   * Also add support for secure HTTP headers

pkg/plugin/datasource.go

@@ -173,14 +173,6 @@ func (d *Datasource) query(ctx context.Context, pCtx backend.PluginContext, quer
 		}, nil
 	}
 
-	//dataBytes, serializeError := json.Marshal(graphQLResponse.Data)
-	//if serializeError != nil {
-	//	return nil, serializeError // this should not happen
-	//}
-	//log.DefaultLogger.Info(fmt.Sprintf("result is: %s", dataBytes))
-
-	log.DefaultLogger.Debug("Successful query!")
-
 	var response backend.DataResponse
 
 	// add the frames to the response.

pkg/plugin/parsing/parsing.go

@@ -58,6 +58,12 @@ func ParseData(graphQlResponseData map[string]interface{}, parsingOption querymo
 				return nil, errors.New(fmt.Sprintf("One of the elements inside the data array is not an object! element: %d is of type: %v", i, reflect.TypeOf(element))), FRIENDLY_ERROR
 			}
 		}
+	case map[string]interface{}:
+		// It's also valid if the final part of the data path refers to an object.
+		//   The only downside of this is that it makes configuration errors harder to diagnose.
+		dataArray = []map[string]interface{}{
+			value,
+		}
 	default:
 		return nil, errors.New(fmt.Sprintf("Final part of data path: is not an array! dataPath: %s type of result: %v", parsingOption.DataPath, reflect.TypeOf(value))), FRIENDLY_ERROR
 	}

pkg/util/graphql/graphql.go

@@ -37,6 +37,8 @@ func (request *GraphQLRequest) ToRequest(ctx context.Context, url string) (*http
 }
 
 type GraphQLResponse struct {
+	// TODO we need this data to be able to iterate over it in its actual order.
+	//   Go maps don't guarantee insertion order or any order for that matter
 	Data   map[string]interface{} `json:"data"`
 	Errors []GraphQLError         `json:"errors"`
 }