add

trading_assistant_api/services/user/internal/repository/user_repo.go

@@ -0,0 +1,47 @@
+package repository
+
+import (
+	"database/sql"
+)
+
+type Repo struct {
+	DB *sql.DB
+}
+
+func New(db *sql.DB) *Repo {
+	return &Repo{DB: db}
+}
+
+func (r *Repo) CreateUser(tx *sql.Tx) (string, error) {
+	var userID string
+	if err := tx.QueryRow(`INSERT INTO users DEFAULT VALUES RETURNING user_id`).Scan(&userID); err != nil {
+		return "", err
+	}
+	return userID, nil
+}
+
+func (r *Repo) CreateLoginAccount(tx *sql.Tx, userID, account string) error {
+	_, err := tx.Exec(`INSERT INTO user_login_accounts (user_id, value, deleted) VALUES ($1, $2, false)`, userID, account)
+	return err
+}
+
+func (r *Repo) CreateLoginPassword(tx *sql.Tx, userID, hashed string) error {
+	_, err := tx.Exec(`INSERT INTO user_login_passwords (user_id, value, deleted) VALUES ($1, $2, false)`, userID, hashed)
+	return err
+}
+
+func (r *Repo) GetUserIDByAccount(account string) (string, error) {
+	var userID string
+	if err := r.DB.QueryRow(`SELECT user_id FROM user_login_accounts WHERE value = $1 AND deleted = false`, account).Scan(&userID); err != nil {
+		return "", err
+	}
+	return userID, nil
+}
+
+func (r *Repo) GetHashedPassword(userID string) (string, error) {
+	var hashed string
+	if err := r.DB.QueryRow(`SELECT value FROM user_login_passwords WHERE user_id = $1 AND deleted = false`, userID).Scan(&hashed); err != nil {
+		return "", err
+	}
+	return hashed, nil
+}