/
user.go
67 lines (48 loc) · 1.38 KB
/
user.go
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package repositories
import (
"database/sql"
"github.com/RomaBiliak/lets-go-chat/internal/models"
)
func NewPostgreUserRepository(db *sql.DB) *UserRepository {
return &UserRepository{
db: db,
}
}
type UserRepository struct {
db *sql.DB
}
func (r *UserRepository) GetUserByName(name string) (models.User, error) {
user := models.User{}
err := r.db.QueryRow("SELECT * FROM users WHERE name=$1", name).Scan(&user.Id, &user.Name, &user.Password)
if err != nil && err != sql.ErrNoRows {
return models.User{}, err
}
return user, nil
}
func (r *UserRepository) CheckUserExists(name string) (bool, error) {
id := 0
err := r.db.QueryRow("SELECT id FROM users WHERE name=$1", name).Scan(&id)
if err != nil && err != sql.ErrNoRows {
return false, err
}
if id > 0 {
return true, nil
}
return false, nil
}
func (r *UserRepository) GetUserById(id models.UserId) (models.User, error) {
user := models.User{}
err := r.db.QueryRow("SELECT * FROM users WHERE id=$1", id).Scan(&user.Id, &user.Name, &user.Password)
if err != nil && err != sql.ErrNoRows {
return models.User{}, err
}
return user, nil
}
func (r *UserRepository) CreateUser(user models.User) (models.UserId, error) {
id := 0
err := r.db.QueryRow("INSERT INTO users (name, password) VALUES ($1, $2) RETURNING id", user.Name, user.Password).Scan(&id)
if err != nil {
return 0, err
}
return models.UserId(id), nil
}