96 lines
1.7 KiB
Go
96 lines
1.7 KiB
Go
package services
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import "encoding/hex"
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type SensorsService struct {
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ctx *Context
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}
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type SensorItem struct {
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Id int64 `json:"id"`
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Name string `json:"name"`
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AuthKey string `json:"authKey"`
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}
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func (s *SensorsService) GetList() ([]SensorItem, error) {
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sensors := make([]SensorItem, 0)
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rows, err := s.ctx.DB.Query("SELECT id, name, auth_key FROM sensors")
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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for rows.Next() {
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item := SensorItem{}
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err := rows.Scan(&item.Id, &item.Name, &item.AuthKey)
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if err != nil {
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return nil, err
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}
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sensors = append(sensors, item)
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}
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err = rows.Err()
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if err != nil {
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return nil, err
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}
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return sensors, nil
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}
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func (s *SensorsService) Create(name string) (*SensorItem, error) {
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item := SensorItem{
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Name: name,
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AuthKey: hex.EncodeToString(generateRandomKey(32)),
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}
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res, err := s.ctx.DB.Exec("INSERT INTO sensors (id, name, auth_key) VALUES (?, ?)", item.Name, item.AuthKey)
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if err != nil {
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return nil, err
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}
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item.Id, err = res.LastInsertId()
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if err != nil {
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return nil, err
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}
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return &item, nil
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}
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func (s *SensorsService) GetById(id int64) (*SensorItem, error) {
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item := SensorItem{}
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row := s.ctx.DB.QueryRow("SELECT id, name, auth_key FROM sensors WHERE id = ?", id)
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err := row.Scan(&item.Id, &item.Name, &item.AuthKey)
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if err != nil {
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return nil, err
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}
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return &item, nil
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}
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func (s *SensorsService) Update(id int64, name string) (*SensorItem, error) {
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item, err := s.GetById(id)
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if err != nil {
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return nil, err
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}
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item.Name = name
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_, err = s.ctx.DB.Exec("UPDATE sensors SET name = ? WHERE id = ?", item.Name, item.Id)
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if err != nil {
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return nil, err
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}
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return item, nil
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}
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