yatm/internal/executor/restore/copy.go

package restore

import "github.com/samuelncui/yatm/entity"

// Copy is one persisted physical candidate in the Restore Job bundle.
type Copy struct {
	ID                int64                   `gorm:"primaryKey;index:idx_copies_media_status_order,priority:5;index:idx_copies_media_order,priority:2"`
	ItemID            int64                   `gorm:"not null;uniqueIndex:idx_copies_item_media,priority:1;index:idx_copies_item_status,priority:1"`
	Status            entity.CopyStatus       `gorm:"not null;index:idx_copies_status;index:idx_copies_item_status,priority:2;index:idx_copies_media_status_order,priority:2"`
	MediaID           int64                   `gorm:"not null;uniqueIndex:idx_copies_item_media,priority:2;index:idx_copies_media_status_order,priority:1;index:idx_copies_media_order,priority:1"`
	MediaPath         string                  `gorm:"type:text;not null;index:idx_copies_media_status_order,priority:4"`
	StorageOrder      []byte                  `gorm:"type:blob;not null;default:(X'');index:idx_copies_media_status_order,priority:3"`
	StorageMetadata   *entity.StorageMetadata `gorm:"type:blob"`
	MediaIdentity     string
	MediaProfile      *entity.MediaProfile `gorm:"type:blob"`
	PositionID        int64
	Health            entity.PositionHealth
	HealthCheckedAtNS int64 `json:"health_checked_at_ns,string"`
	HealthPublished   bool
}

func (Copy) TableName() string {
	return "copies"
}

// copyCandidate joins one physical copy row with the selected File facts needed at runtime.
// It is assembled explicitly and is never passed to GORM.
type copyCandidate struct {
	ID              int64
	ItemID          int64
	MediaID         int64
	MediaPath       string
	StorageOrder    []byte
	StorageMetadata *entity.StorageMetadata
	PositionID      int64

	FileID        int64
	FileVersionID int64
	Signature     []byte
	Hash          []byte
	Size          int64
	Mode          uint32
	MtimeNS       int64 `json:"mtime_ns,string"`
	TargetPath    string
}