feat: WIP mail verification flow

adapters/secondary/gateways/models/user.go

@@ -7,10 +7,13 @@ import (
 
 type User struct {
 	gorm.Model
-	ID        uint32    `gorm:"primaryKey;autoIncrement"`
-	Username  string    `gorm:"unique;not null"`
-	Password  string    `gorm:"not null"`
-	Email     string    `gorm:"unique;not null"`
-	CreatedAt time.Time `gorm:"autoCreateTime"`
-	UpdatedAt time.Time `gorm:"autoUpdateTime"`
+	ID                     uint32    `gorm:"primaryKey;autoIncrement"`
+	Username               string    `gorm:"unique;not null"`
+	Password               string    `gorm:"not null"`
+	Email                  string    `gorm:"unique;not null"`
+	IsVerified             bool      `gorm:"default=false;not null"`
+	VerificationCode       string    `gorm:"unique;not null"`
+	VerificationExpiration time.Time `gorm:"not null"`
+	CreatedAt              time.Time `gorm:"autoCreateTime"`
+	UpdatedAt              time.Time `gorm:"autoUpdateTime"`
 }