fix on search used channels

controllers/authController.go

@@ -18,8 +18,6 @@ import (
 // Login - Login. Returns a JWT token on the response body
 func Login(c *fiber.Ctx) error {
 
-	log.Printf("Login endpoint started\n")
-
 	var data map[string]string
 
 	if err := c.BodyParser(&data); err != nil {
@@ -108,7 +106,7 @@ func AddUser(c *fiber.Ctx) error {
 
 	database.DB.Where("channel = ?", strings.ToLower(data["channel"])).First(&user)
 
-	if user.Id == 0 {
+	if user.Id != 0 {
 		return c.JSON(fiber.Map{
 			"message": "Canal já em uso"})
 	}