Files
core/internal/repository/registry/lots.go

108 lines
2.3 KiB
Go

package registry
import (
"context"
"database/sql"
"strings"
"reanimator/internal/domain"
"reanimator/internal/idgen"
)
type LotRepository struct {
db *sql.DB
idgen *idgen.Generator
}
func NewLotRepository(db *sql.DB) *LotRepository {
return &LotRepository{
db: db,
idgen: idgen.NewGenerator(db),
}
}
func (r *LotRepository) Create(ctx context.Context, code string, description *string) (domain.Lot, error) {
// Generate string ID
id, err := r.idgen.Generate(ctx, idgen.Lot)
if err != nil {
return domain.Lot{}, err
}
_, err = r.db.ExecContext(ctx,
`INSERT INTO lots (id, code, description) VALUES (?, ?, ?)`,
id, code, description,
)
if err != nil {
return domain.Lot{}, classifyError(err)
}
return r.Get(ctx, id)
}
func (r *LotRepository) Get(ctx context.Context, id string) (domain.Lot, error) {
var lot domain.Lot
var description sql.NullString
row := r.db.QueryRowContext(ctx,
`SELECT id, code, description, created_at, updated_at FROM lots WHERE id = ?`,
id,
)
if err := row.Scan(&lot.ID, &lot.Code, &description, &lot.CreatedAt, &lot.UpdatedAt); err != nil {
if err == sql.ErrNoRows {
return domain.Lot{}, ErrNotFound
}
return domain.Lot{}, err
}
lot.Description = nullStringToPtr(description)
return lot, nil
}
func (r *LotRepository) List(ctx context.Context) ([]domain.Lot, error) {
rows, err := r.db.QueryContext(ctx,
`SELECT id, code, description, created_at, updated_at FROM lots ORDER BY created_at DESC`,
)
if err != nil {
return nil, err
}
defer rows.Close()
lots := make([]domain.Lot, 0)
for rows.Next() {
var lot domain.Lot
var description sql.NullString
if err := rows.Scan(&lot.ID, &lot.Code, &description, &lot.CreatedAt, &lot.UpdatedAt); err != nil {
return nil, err
}
lot.Description = nullStringToPtr(description)
lots = append(lots, lot)
}
if err := rows.Err(); err != nil {
return nil, err
}
return lots, nil
}
func (r *LotRepository) EnsureByCode(ctx context.Context, code string) (domain.Lot, error) {
normalized := strings.TrimSpace(code)
if normalized == "" {
return domain.Lot{}, ErrNotFound
}
var id string
err := r.db.QueryRowContext(ctx,
`SELECT id FROM lots WHERE code = ? LIMIT 1`,
normalized,
).Scan(&id)
if err == nil {
return r.Get(ctx, id)
}
if err != sql.ErrNoRows {
return domain.Lot{}, err
}
return r.Create(ctx, normalized, nil)
}