/
item.go
80 lines (69 loc) · 1.6 KB
/
item.go
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package repository
import (
"errors"
"fmt"
"github.com/google/uuid"
"github.com/glassonion1/sqlw"
"github.com/glassonion1/sqlw/sample/domain/model"
)
// Item is repository implementation for item model.
type Item struct {
db *sqlw.DB
}
func NewItem(db *sqlw.DB) *Item {
return &Item{
db: db,
}
}
// FindAll finds all items
func (r *Item) FindAll() ([]model.Item, error) {
rows, err := r.db.Query("SELECT * FROM items")
if err != nil {
return nil, err
}
defer rows.Close()
items := []model.Item{}
for rows.Next() {
item := model.Item{}
if err := rows.Scan(&item.ID, &item.Name); err != nil {
return nil, err
}
items = append(items, item)
}
return items, nil
}
// FindByID finds an items by specific id.
func (r *Item) FindByID(id string) (*model.Item, error) {
row := r.db.QueryRow("SELECT * FROM items WHERE id=?", id)
if row == nil {
return nil, errors.New("data not found")
}
if row.Err() != nil {
return nil, row.Err()
}
item := model.Item{}
if err := row.Scan(&item.ID, &item.Name); err != nil {
return nil, err
}
return &item, nil
}
// Create creates an item.
func (r *Item) Create(item model.Item) (*model.Item, error) {
id, _ := uuid.NewUUID()
_, err := r.db.Exec("INSERT INTO items(id, name) VALUES(?, ?)", id.String(), item.Name)
if err != nil {
return nil, err
}
row := r.db.QueryRowForMaster("SELECT * FROM items WHERE id=?", id.String())
if row == nil {
return nil, fmt.Errorf("data not found")
}
if row.Err() != nil {
return nil, row.Err()
}
new := &model.Item{}
if err := row.Scan(&new.ID, &new.Name); err != nil {
return nil, err
}
return new, nil
}