package model import ( "time" ) // Contactable represents a polymorphic association for contact-related records. // Reference: P2B M4 Contactable pattern type Contactable struct { ID uint `gorm:"primaryKey" json:"id"` ContactID uint `gorm:"not null;index" json:"contact_id"` ContactableType string `gorm:"size:100;not null;index" json:"contactable_type"` // Contact/User/AgentBot ContactableID uint `gorm:"not null;index" json:"contactable_id"` CreatedAt time.Time `gorm:"autoCreateTime" json:"created_at"` UpdatedAt time.Time `gorm:"autoUpdateTime" json:"updated_at"` Contact Contact `gorm:"foreignKey:ContactID" json:"contact,omitempty"` } func (Contactable) TableName() string { return "contactables" }