package models import ( "time" "github.com/google/uuid" "gorm.io/gorm" ) type UserFolder struct { ID uuid.UUID `gorm:"type:uuid;primaryKey" json:"id"` UserID uuid.UUID `gorm:"type:uuid;not null" json:"user_id"` Name string `gorm:"size:255;not null" json:"name"` ParentID *uuid.UUID `gorm:"type:uuid" json:"parent_id,omitempty"` CreatedAt time.Time `gorm:"autoCreateTime" json:"created_at"` UpdatedAt time.Time `gorm:"autoUpdateTime" json:"updated_at"` User User `gorm:"foreignKey:UserID;constraint:OnDelete:CASCADE" json:"-"` Parent *UserFolder `gorm:"foreignKey:ParentID;constraint:OnDelete:CASCADE" json:"-"` Children []UserFolder `gorm:"foreignKey:ParentID" json:"children,omitempty"` Files []UserFile `gorm:"foreignKey:FolderID" json:"files,omitempty"` } func (UserFolder) TableName() string { return "user_folders" } func (m *UserFolder) BeforeCreate(tx *gorm.DB) error { if m.ID == uuid.Nil { m.ID = uuid.New() } return nil }