Component Config: selected file ID is signed integer instead of uint (no file selected = -1)

database/models.go

@@ -93,7 +93,7 @@ type ComponentConfiguration struct {
 	// Mapping of input signals of the Component Configuration, order of signals is important
 	InputMapping []Signal `json:"-" gorm:"foreignkey:ConfigID"`
 	// Currently selected FileID
-	SelectedFileID uint `json:"selectedFileID" gorm:"default:0"`
+	SelectedFileID int `json:"selectedFileID" gorm:"default:0"`
 }
 
 // Signal data model

routes/component-configuration/config_test.go

@@ -45,7 +45,7 @@ type ConfigRequest struct {
 	ScenarioID      uint           `json:"scenarioID,omitempty"`
 	ICID            uint           `json:"icID,omitempty"`
 	StartParameters postgres.Jsonb `json:"startParameters,omitempty"`
-	SelectedFileID  uint           `json:"selectedFileID,omitempty"`
+	SelectedFileID  int            `json:"selectedFileID,omitempty"`
 }
 
 type ICRequest struct {