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