You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
website/services/database/database.go

65 lines
1.2 KiB
Go

package database
import (
"fmt"
"phc/website/model"
"phc/website/sl"
)
type Database interface {
sl.Service
CreateUser(user model.User) error
ReadUser(id string) (model.User, error)
ReadUsers() ([]model.User, error)
UpdateUser(id string, user model.User) error
DeleteUser(id string) error
}
type Memory struct {
Users []model.User
}
func (m *Memory) Initialize(l *sl.ServiceLocator) error { return nil }
func (m *Memory) CreateUser(user model.User) error {
m.Users = append(m.Users, user)
return nil
}
func (m *Memory) ReadUser(id string) (model.User, error) {
for _, u := range m.Users {
if u.Id == id {
return u, nil
}
}
return model.User{}, fmt.Errorf(`no user with id "%s"`, id)
}
func (m *Memory) ReadUsers() ([]model.User, error) {
return m.Users, nil
}
func (m *Memory) UpdateUser(id string, user model.User) error {
for i, u := range m.Users {
if u.Id == id {
m.Users[i] = user
return nil
}
}
return fmt.Errorf(`no user with id "%s"`, id)
}
func (m *Memory) DeleteUser(id string) error {
for i, u := range m.Users {
if u.Id == id {
m.Users = append(m.Users[:i], m.Users[i+1:]...)
return nil
}
}
return fmt.Errorf(`no user with id "%s"`, id)
}