go-jsonapi-example/internal/storage/storage_car.go
2021-03-18 21:52:41 +03:00

62 lines
1.1 KiB
Go

package storage
import (
"errors"
"fmt"
"net/http"
"go-jsonapi-example/internal/model"
"github.com/manyminds/api2go"
)
type CarStorage struct {
cars map[string]*model.Car
idCount int
}
func NewCarStorage() *CarStorage {
return &CarStorage{make(map[string]*model.Car), 1}
}
func (s CarStorage) GetAll() map[string]*model.Car {
return s.cars
}
func (s CarStorage) GetOne(id string) (model.Car, error) {
user, ok := s.cars[id]
if ok {
return *user, nil
}
errMessage := fmt.Sprintf("Car for id %s not found", id)
return model.Car{}, api2go.NewHTTPError(errors.New(errMessage), errMessage, http.StatusNotFound)
}
func (s *CarStorage) Insert(c model.Car) string {
id := fmt.Sprintf("%d", s.idCount)
c.ID = id
s.cars[id] = &c
s.idCount++
return id
}
func (s *CarStorage) Delete(id string) error {
_, exists := s.cars[id]
if !exists {
return fmt.Errorf("Car with id %s does not exist", id)
}
delete(s.cars, id)
return nil
}
func (s *CarStorage) Update(c model.Car) error {
_, exists := s.cars[c.ID]
if !exists {
return fmt.Errorf("Car with id %s does not exist", c.ID)
}
s.cars[c.ID] = &c
return nil
}