73 lines
1.4 KiB
Go
73 lines
1.4 KiB
Go
package store
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import (
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"errors"
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"strconv"
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)
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type Cake struct {
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Name string
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ID int
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Price int
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Amount int
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Category string
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Availability string
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}
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func (s *Store) GetCake(id int) (Cake, error) {
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var out Cake
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query := "select name, price from cake where id = ?;"
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row, err := s.db.Query(query, id)
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if err != nil {
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return out, err
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}
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defer row.Close()
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if !row.Next() {
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return out, errors.New("cake not found")
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}
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out.ID = id
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err = row.Scan(&out.Name, &out.Price)
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return out, err
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}
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func (s *Store) GetCakes() ([]Cake, error) {
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rows, err := s.db.Query("select id, name, price from cake")
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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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cakes := make([]Cake, 0)
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for rows.Next() {
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var c Cake
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c.Amount = 0
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err = rows.Scan(&c.ID, &c.Name, &c.Price)
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if err != nil {
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return nil, err
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}
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cakes = append(cakes, c)
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}
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return cakes, err
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}
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func (s *Store) SaveCake(newCake Cake) (int, error) {
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query := "insert into cake(name, price) values (?, ?) returning id;"
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if newCake.ID != 0 {
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query = "update cake set name = ? , price = ? where id = "
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query += strconv.Itoa(newCake.ID) + " returning id;"
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}
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row, err := s.db.Query(query, newCake.Name, newCake.Price)
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if err != nil {
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return 0, err
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}
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defer row.Close()
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if !row.Next() {
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return 0, errors.New("The database didn't respond with an id")
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}
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err = row.Scan(&newCake.ID)
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return newCake.ID, err
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}
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