shop
81 lines
2.0 KiB
Go
81 lines
2.0 KiB
Go
package repository
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import (
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"context"
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"errors"
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"github.com/jackc/pgx/v5"
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"github.com/jackc/pgx/v5/pgconn"
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"github.com/jackc/pgx/v5/pgxpool"
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"shop/internal/models"
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)
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type UserRepository struct {
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pool *pgxpool.Pool
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}
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func NewUserRepository(pool *pgxpool.Pool) *UserRepository {
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return &UserRepository{pool: pool}
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}
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func (r *UserRepository) Create(ctx context.Context, email, passwordHash, name string) (*models.User, error) {
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var u models.User
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err := r.pool.QueryRow(ctx, `
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INSERT INTO users (email, password_hash, name)
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VALUES ($1, $2, $3)
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RETURNING id, email, name, created_at`,
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email, passwordHash, name,
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).Scan(&u.ID, &u.Email, &u.Name, &u.CreatedAt)
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if err != nil {
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return nil, err
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}
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return &u, nil
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}
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func (r *UserRepository) ByID(ctx context.Context, id int) (*models.User, error) {
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var u models.User
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err := r.pool.QueryRow(ctx, `
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SELECT id, email, name, created_at FROM users WHERE id = $1`, id,
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).Scan(&u.ID, &u.Email, &u.Name, &u.CreatedAt)
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if errors.Is(err, pgx.ErrNoRows) {
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return nil, nil
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}
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if err != nil {
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return nil, err
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}
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return &u, nil
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}
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func (r *UserRepository) ByEmailWithHash(ctx context.Context, email string) (*models.User, string, error) {
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var u models.User
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var hash string
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err := r.pool.QueryRow(ctx, `
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SELECT id, email, name, created_at, password_hash
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FROM users WHERE email = $1`, email,
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).Scan(&u.ID, &u.Email, &u.Name, &u.CreatedAt, &hash)
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if errors.Is(err, pgx.ErrNoRows) {
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return nil, "", nil
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}
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if err != nil {
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return nil, "", err
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}
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return &u, hash, nil
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}
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func (r *UserRepository) UpdateName(ctx context.Context, userID int, name string) error {
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_, err := r.pool.Exec(ctx, `UPDATE users SET name = $1 WHERE id = $2`, name, userID)
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return err
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}
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func (r *UserRepository) Count(ctx context.Context) (int, error) {
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var n int
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err := r.pool.QueryRow(ctx, `SELECT COUNT(*) FROM users`).Scan(&n)
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return n, err
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}
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func IsUniqueViolation(err error) bool {
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var pgErr *pgconn.PgError
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return errors.As(err, &pgErr) && pgErr.Code == "23505"
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}
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