package models import ( "time" "github.com/google/uuid" "gorm.io/gorm" ) // GearDocument stores a document (invoice, manual, etc.) for a gear item type GearDocument struct { ID uuid.UUID `gorm:"type:uuid;primaryKey" json:"id"` GearID uuid.UUID `gorm:"type:uuid;not null" json:"gear_id"` Type string `gorm:"size:50;not null;default:'invoice'" json:"type"` StorageKey string `gorm:"type:text;not null" json:"storage_key"` Filename string `gorm:"size:255;not null" json:"filename"` UploadedAt time.Time `gorm:"autoCreateTime" json:"uploaded_at"` Gear *GearItem `gorm:"foreignKey:GearID;constraint:OnDelete:CASCADE" json:"-"` } func (GearDocument) TableName() string { return "gear_documents" } func (m *GearDocument) BeforeCreate(tx *gorm.DB) error { if m.ID == uuid.Nil { m.ID = uuid.New() } return nil }