usecase

type Asset interface {
	Init(ws model.WSName) error
	AddAssetFromImagePathListIfDoesNotExist(ws model.WSName, filePathList []string) ([]model.AssetID, error)
	ReadImportAssetsWithProgressBar(ws model.WSName, reader io.Reader, capacity int, f func(assets []*model.ImportAsset) error) error
	SaveImportAssetsFromReader(ws model.WSName, reader io.Reader, capacity int, queries []*model.Query) error
	SaveImportAssets(ws model.WSName, importAssets []*model.ImportAsset, queries []*model.Query) (addedAssets, updatedAssets, skippedAssets []*model.Asset, err error)
	BatchUpdateByID(ws model.WSName, assets []*model.Asset, queries []*model.Query) (updatedAssets, filteredAssets, skippedAssets []*model.Asset, err error)
	BatchUpdateByPath(ws model.WSName, assets []*model.Asset, queries []*model.Query) (updatedAssets, filteredAssets, skippedAssets []*model.Asset, err error)
	AssignBoundingBox(ws model.WSName, assetID model.AssetID, box *model.BoundingBox) (*model.Asset, error)
	UnAssignBoundingBox(ws model.WSName, assetID model.AssetID, boxID model.BoundingBoxID) (*model.Asset, error)
	ModifyBoundingBox(ws model.WSName, assetID model.AssetID, box *model.BoundingBox) (*model.Asset, error)
	DeleteBoundingBox(ws model.WSName, assetID model.AssetID, boxID model.BoundingBoxID) error
	ListAsyncByQueries(ctx context.Context, ws model.WSName, queries []*model.Query) (<-chan *model.Asset, error)
	ListAsyncWithFormat(wsName model.WSName, formatType string, capacity int) (<-chan string, <-chan error, error)
}

type Tag interface {
	List(ws model.WSName) (tags []*model.Tag, err error)

	// SaveTags persists provided tags.
	// For each tags, if it already exists, update it. Otherwise, add it.
	SaveTags(ws model.WSName, tags []*model.Tag) ([]*model.Tag, error)

	SetTags(ws model.WSName, tags []*model.UnindexedTag) ([]*model.Tag, error)

	// SetTagByNames remove all existing tags and persists provided tags.
	SetTagByNames(ws model.WSName, tagNames []string) ([]*model.Tag, error)
}