feat: jwt token generation (todo: create jwt validation middleware)

internal/auth/types.go

@@ -1,23 +1,21 @@
 package auth
 
-import (
-	"gorm.io/gorm"
-)
+import "time"
 
 type TokenResponse struct {
 	AccessToken  string `json:"access_token"`
 	TokenType    string `json:"token_type"`
-	ExpiresIn    uint64 `json:"expires_in"`
+	ExpiresIn    int64  `json:"expires_in"`
 	RefreshToken string `json:"refresh_token"`
 	Scope        string `json:"scope"`
 }
 
 type User struct {
-	gorm.Model
-	ID          string `json:"id" gorm:"primaryKey;autoIncrement:false"`
+	ID          string `json:"id" gorm:"primaryKey"`
 	Username    string `json:"username"`
 	Blacklisted bool
 	Email       string `json:"email"`
+	CreatedAt   time.Time
 }
 
 type AvatarDecorationData struct {