package model import ( "encoding/json" "fmt" "io" "github.com/google/uuid" "gorm.io/gorm" ) type Controller struct { gorm.Model CID string `gorm:"uniqueIndex;column:cid" json:"cid"` // Controller ID CName string `gorm:"column:cname" json:"cname"` // Device ID Key string `gorm:"column:key" json:"key"` // Service ID } func (s *dbHandler) AddController(r io.Reader) (*Controller, error) { decoder := json.NewDecoder(r) var controller = &Controller{} err := decoder.Decode(controller) if err != nil { return nil, err } controller.CID = uuid.NewString() controller.Key = controller.CID tx := s.db.Create(controller) if tx.Error != nil { return nil, tx.Error } tx.First(&controller, "cid=?", controller.CID) fmt.Println(controller) return controller, nil } func (s *dbHandler) GetControllers() ([]*Controller, error) { var list []*Controller result := s.db.Find(&list) if result.Error != nil { return nil, result.Error } return list, nil } func (s *dbHandler) IsExistController(cid string) bool { var controller = Controller{} result := s.db.First(&controller, "cid=?", cid) if result.Error != nil { fmt.Println(result.Error) return false } return true }