fixed login api

database/db.go

@@ -83,6 +83,7 @@ func GetPasswordHash(db *sql.DB, username string) (string, error) {
 	var passwordHash string
 	err := db.QueryRow(query, username).Scan(&passwordHash)
 	if err != nil {
+		fmt.Printf("error getting password: %v\n", err)
 		return "", fmt.Errorf("error getting password: %v", err)
 	}
 
@@ -91,13 +92,14 @@ func GetPasswordHash(db *sql.DB, username string) (string, error) {
 
 func GetUserId(db *sql.DB, username string) (string, error) {
 	query := `
-    SELECT user_id, username AS dbUsername FROM Accounts
+    SELECT user_id FROM Accounts
     WHERE LOWER(username) = $1;
   `
 
 	var dbUsername string
-	err := db.QueryRow(query, username).Scan(&dbUsername, &dbUsername)
+	err := db.QueryRow(query, username).Scan(&dbUsername)
 	if err != nil {
+		fmt.Printf("Error getting password: %v\n", err)
 		return "", fmt.Errorf("error getting user id: %v", err)
 	}
 	return dbUsername, err

handlers/auth.go

@@ -72,7 +72,7 @@ func Signup(c *fiber.Ctx) error {
 }
 
 func Login(c *fiber.Ctx) error {
-	db, _ := database.InitDatabase()
+	db := database.DB
 	u := new(models.LoginStruct)
 
 	if err := c.BodyParser(u); err != nil {
@@ -100,7 +100,7 @@ func Login(c *fiber.Ctx) error {
 	}
 
 	// Verifies password matching
-	passwordHash, _ := database.GetPasswordHash(db, u.Password)
+	passwordHash, _ := database.GetPasswordHash(db, u.Username)
 	if bcrypt.CompareHashAndPassword([]byte(passwordHash), []byte(u.Password)) != nil {
 		return c.Status(fiber.StatusUnauthorized).JSON(fiber.Map{"error": "invalid password"})
 	}
@@ -124,5 +124,5 @@ func Login(c *fiber.Ctx) error {
 	cookie.Expires = time.Now().Add(30 * 24 * time.Hour)
 	cookie.HTTPOnly = true
 
-	return c.Status(fiber.StatusOK).JSON(fiber.Map{"message": "Successfully signed up", "username": u.Username, "user_id": userId})
+	return c.Status(fiber.StatusOK).JSON(fiber.Map{"message": "Successfully logged in", "username": u.Username, "user_id": userId})
 }