Refactor workflow dispatch

Signed-off-by: Bence Santha <git@santha.eu>

services/actions/workflow.go

@@ -194,20 +194,19 @@ func DispatchActionWorkflow(ctx *context.APIContext, workflowID string, opt *api
 				return
 			}
 			workflows, err := jobparser.Parse(content)
-			if err != nil || len(workflows) == 0 {
+			if err != nil {
 				ctx.Error(http.StatusInternalServerError, "WorkflowParseError", err.Error())
 				return
 			}
+			if len(workflows) == 0 {
+				ctx.Error(http.StatusNotFound, "WorkflowNotFound", fmt.Sprintf("workflow '%s' is not found", workflowID))
+				return
+			}
 			workflow = workflows[0]
 			break
 		}
 	}
 
-	if workflow == nil {
-		ctx.Error(http.StatusNotFound, "WorkflowNotFound", fmt.Sprintf("workflow '%s' is not found", workflowID))
-		return
-	}
-
 	// Process workflow inputs
 	inputs := processWorkflowInputs(opt, &model.Workflow{
 		RawOn: workflow.RawOn,