cake-order-tracker/store/cake.go
2026-06-11 09:10:27 +02:00

66 lines
1.5 KiB
Go

package store
import (
"errors"
"log"
"git.bronku.xyz/bronku/cake-order-tracker/models"
)
func (s *Store) GetCake(id int) (models.Cake, error) {
if id <= 0 {
return models.Cake{}, errors.New("invalid cake id")
}
row := s.db.QueryRow("select id, name, price from cake where id = ?;", id)
var out models.Cake
err := row.Scan(&out.ID, &out.Name, &out.Price)
if err != nil {
return models.Cake{}, errors.New("cake not found")
}
return out, nil
}
func (s *Store) GetCakes() ([]models.Cake, error) {
rows, err := s.db.Query("select id, name, price from cake order by id;")
if err != nil {
return nil, err
}
defer rows.Close()
var out []models.Cake
for rows.Next() {
var cake models.Cake
if err := rows.Scan(&cake.ID, &cake.Name, &cake.Price); err != nil {
return nil, err
}
out = append(out, cake)
}
return out, rows.Err()
}
func (s *Store) SaveCake(newCake models.Cake) (int, error) {
if newCake.ID != 0 {
q := "update cake set name = ?, price = ? where id = ?;"
_, err := s.db.Exec(q, newCake.Name, newCake.Price, newCake.ID)
if err != nil {
return 0, err
}
log.Printf("UPDATE cake id=%d name=%q price=%d", newCake.ID, newCake.Name, newCake.Price)
return newCake.ID, nil
}
q := "insert into cake(name, price) values (?, ?);"
result, err := s.db.Exec(q, newCake.Name, newCake.Price)
if err != nil {
return 0, err
}
id, err := result.LastInsertId()
if err != nil {
return 0, err
}
newCake.ID = int(id)
log.Printf("INSERT cake id=%d name=%q price=%d", newCake.ID, newCake.Name, newCake.Price)
return newCake.ID, nil
}