add auth

internal/auth/repository/postgres/user.go

@@ -0,0 +1,106 @@
+package postgres
+
+import (
+	"context"
+	"database/sql"
+	"errors"
+	"time"
+
+	"datarush/internal/auth/domain"
+
+	sq "github.com/Masterminds/squirrel"
+	"github.com/jmoiron/sqlx"
+)
+
+const (
+	usersTable = "users"
+)
+
+var psql = sq.StatementBuilder.PlaceholderFormat(sq.Dollar)
+
+type UserRepository struct {
+	db *sqlx.DB
+}
+
+func NewUserRepository(db *sqlx.DB) *UserRepository {
+	return &UserRepository{db: db}
+}
+
+func (r *UserRepository) Create(ctx context.Context, user *domain.User) error {
+	now := time.Now()
+	user.CreatedAt = now
+	user.UpdatedAt = now
+
+	query := psql.Insert(usersTable).
+		Columns("id", "email", "username", "password", "created_at", "updated_at").
+		Values(user.ID.String(), user.Email, user.Username, user.Password, user.CreatedAt, user.UpdatedAt)
+
+	_, err := query.RunWith(r.db).ExecContext(ctx)
+	return err
+}
+
+func (r *UserRepository) GetByEmail(ctx context.Context, email string) (*domain.User, error) {
+	query := psql.Select("id", "email", "username", "password", "created_at", "updated_at").
+		From(usersTable).
+		Where(sq.Eq{"email": email})
+
+	sqlQuery, args, err := query.ToSql()
+	if err != nil {
+		return nil, err
+	}
+
+	var user domain.User
+	err = r.db.GetContext(ctx, &user, sqlQuery, args...)
+	if err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			return nil, domain.ErrUserNotFound
+		}
+		return nil, err
+	}
+
+	return &user, nil
+}
+
+func (r *UserRepository) GetByID(ctx context.Context, id domain.ID) (*domain.User, error) {
+	query := psql.Select("id", "email", "username", "password", "created_at", "updated_at").
+		From(usersTable).
+		Where(sq.Eq{"id": id.String()})
+
+	sqlQuery, args, err := query.ToSql()
+	if err != nil {
+		return nil, err
+	}
+
+	var user domain.User
+	err = r.db.GetContext(ctx, &user, sqlQuery, args...)
+	if err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			return nil, domain.ErrUserNotFound
+		}
+		return nil, err
+	}
+
+	return &user, nil
+}
+
+func (r *UserRepository) Update(ctx context.Context, user *domain.User) error {
+	user.UpdatedAt = time.Now()
+
+	query := psql.Update(usersTable).
+		Set("email", user.Email).
+		Set("username", user.Username).
+		Set("password", user.Password).
+		Set("updated_at", user.UpdatedAt).
+		Where(sq.Eq{"id": user.ID.String()})
+
+	_, err := query.RunWith(r.db).ExecContext(ctx)
+	return err
+}
+
+func (r *UserRepository) Delete(ctx context.Context, id domain.ID) error {
+	query := psql.Delete(usersTable).
+		Where(sq.Eq{"id": id.String()})
+
+	_, err := query.RunWith(r.db).ExecContext(ctx)
+	return err
+}