Encrypted messaging app
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package Models
import (
"github.com/gofrs/uuid"
"gorm.io/gorm"
)
// BeforeUpdate prevents updating the username or email if it has not changed
// This stops a unique constraint error
func (u *User) BeforeUpdate(tx *gorm.DB) (err error) {
if !tx.Statement.Changed("Username") {
tx.Statement.Omit("Username")
}
if !tx.Statement.Changed("Email") {
tx.Statement.Omit("Email")
}
return nil
}
// User holds user data
type User struct {
Base
Username string `gorm:"not null;unique" json:"username"`
Password string `gorm:"not null" json:"password"`
ConfirmPassword string `gorm:"-" json:"confirm_password"`
Email string ` json:"email"`
AsymmetricPrivateKey string `gorm:"not null" json:"asymmetric_private_key"` // Stored encrypted
AsymmetricPublicKey string `gorm:"not null" json:"asymmetric_public_key"`
SymmetricKey string `gorm:"not null" json:"symmetric_key"` // Stored encrypted
AttachmentID *uuid.UUID ` json:"attachment_id"`
Attachment Attachment ` json:"attachment"`
MessageExpiryDefault MessageExpiry `gorm:"default:no_expiry" json:"-" sql:"type:ENUM('fifteen_min', 'thirty_min', 'one_hour', 'three_hour', 'six_hour', 'twelve_hour', 'one_day', 'three_day', 'no_expiry')"` // Stored encrypted
}