func NameExistCheck()

in api/internal/handler/handler.go [111:149]

• 36 lines of code
• 9 McCabe index (conditional complexity)

func NameExistCheck(ctx context.Context, stg store.Interface, resource, name string, excludeID interface{}) (interface{}, error) {
	ret, err := stg.List(ctx, store.ListInput{
		Predicate: func(obj interface{}) bool {
			var objName string
			var objID interface{}
			switch resource {
			case "route":
				objID = obj.(*entity.Route).ID
				objName = obj.(*entity.Route).Name
			case "service":
				objID = obj.(*entity.Service).ID
				objName = obj.(*entity.Service).Name
			case "upstream":
				objID = obj.(*entity.Upstream).ID
				objName = obj.(*entity.Upstream).Name
			default:
				panic("bad resource")
			}

			if excludeID != nil && objID == excludeID {
				return false
			}
			if objName == name {
				return true
			}

			return false
		},
	})
	if err != nil {
		return &data.SpecCodeResponse{StatusCode: http.StatusInternalServerError}, err
	}
	if ret.TotalSize > 0 {
		return &data.SpecCodeResponse{StatusCode: http.StatusBadRequest},
			fmt.Errorf("%s name exists", resource)
	}

	return nil, nil
}