item.go

package id

const (
	Item        = "item"
	ItemsPrefix = "items"
)

type ItemID struct {
	CollectionID
	ItemID string `json:"item_id,omitempty" bson:"item_id,omitempty"`
}

func (t *ItemID) Type() string { return Item }

func (t *ItemID) String() string {
	return Join(t.CollectionID.String(), ItemsPrefix, t.ItemID)

}

func (t *ItemID) ToMap() map[string]any {
	m := t.CollectionID.ToMap()
	m["item_id"] = t.ItemID
	m["type"] = Item
	return m
}

func (t *ItemID) FromMap(m map[string]any) error {
	if err := t.CollectionID.FromMap(m); err != nil {
		return err
	}
	t.ItemID = m["item_id"].(string)
	return nil
}

func (t *ItemID) Validate() error {
	if t.ItemID == "" {
		return ErrInvalidID
	}

	return t.CollectionID.Validate()
}

func parseItemID(parts []string) (*ItemID, error) {
	if len(parts) != 8 || parts[6] != ItemsPrefix {
		return nil, ErrInvalidID
	}

	collID, err := parseCollectionID(parts[:6])
	if err != nil {
		return nil, err
	}

	var id ItemID
	id.CollectionID = *collID
	id.ItemID = parts[7]
	return &id, nil
}