From f8c413a4983ea2582bd0e414307567cd4eede721 Mon Sep 17 00:00:00 2001
From: d3m0k1d <d3m0k1d1337@gmail.com>
Date: Sat, 4 Apr 2026 20:08:45 +0300
Subject: [PATCH] fix: reg

---
 backend/internal/handlers/auth.go         | 18 +++++++++++-------
 backend/internal/repository/repository.go | 11 +++++++----
 2 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/backend/internal/handlers/auth.go b/backend/internal/handlers/auth.go
index 621e80d..dc39310 100644
--- a/backend/internal/handlers/auth.go
+++ b/backend/internal/handlers/auth.go
@@ -2,6 +2,8 @@ package handlers
 
 import (
 	"errors"
+	"fmt"
+	"log"
 	"net/http"
 	"strings"
 
@@ -67,16 +69,18 @@ func (ag *AuthGroup) RegisterUser(c *gin.Context) {
 		return
 	}
 
-	if ag.Repo.ExistsByLogin(req.Login) {
-		c.JSON(http.StatusConflict, gin.H{"error": "login already exists"})
-		return
-	}
-
-	if _, err := ag.Repo.RegisterUser(req); err != nil {
-		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to register user"})
+	id, err := ag.Repo.RegisterUser(req)
+	if err != nil {
+		if strings.Contains(err.Error(), "UNIQUE constraint") {
+			c.JSON(http.StatusConflict, gin.H{"error": "login already exists"})
+			return
+		}
+		log.Printf("[register] failed: %v", err)
+		c.JSON(http.StatusInternalServerError, gin.H{"error": fmt.Sprintf("failed to register user: %v", err)})
 		return
 	}
 
+	log.Printf("[register] user registered: id=%s login=%s", id, req.Login)
 	c.JSON(http.StatusOK, gin.H{"message": "user registered"})
 }
 
diff --git a/backend/internal/repository/repository.go b/backend/internal/repository/repository.go
index 6eaa524..187f087 100644
--- a/backend/internal/repository/repository.go
+++ b/backend/internal/repository/repository.go
@@ -3,6 +3,8 @@ package repository
 import (
 	"database/sql"
 	"errors"
+	"fmt"
+	"log"
 	"strconv"
 
 	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/storage"
@@ -75,12 +77,12 @@ func (r *Repository) CreateToken(tc TokenCreate) (string, error) {
 func (r *Repository) RegisterUser(ur UserRegister) (string, error) {
 	hashed, err := bcrypt.GenerateFromPassword([]byte(ur.Password), bcrypt.DefaultCost)
 	if err != nil {
-		return "", err
+		return "", fmt.Errorf("hash password: %w", err)
 	}
 
 	token, err := utils.RandomToken()
 	if err != nil {
-		return "", err
+		return "", fmt.Errorf("generate token: %w", err)
 	}
 
 	result, err := r.DB.Exec(
@@ -93,13 +95,14 @@ func (r *Repository) RegisterUser(ur UserRegister) (string, error) {
 		token,
 	)
 	if err != nil {
-		return "", err
+		return "", fmt.Errorf("insert user: %w", err)
 	}
 
 	id, err := result.LastInsertId()
 	if err != nil {
-		return "", err
+		return "", fmt.Errorf("get last insert id: %w", err)
 	}
+	log.Printf("[register] user created: id=%s login=%s", strconv.FormatInt(id, 10), ur.Login)
 	return strconv.FormatInt(id, 10), nil
 }