package upstream

type FetchClass string

const (
	FetchValid         FetchClass = "valid"
	FetchEmpty         FetchClass = "empty"
	FetchDuplicateOnly FetchClass = "duplicate_only"
	FetchError         FetchClass = "error"
)

func ClassifyFetchResult(callErr, parseErr error, validCount, newCount int) FetchClass {
	if callErr != nil || parseErr != nil {
		return FetchError
	}
	if validCount <= 0 {
		return FetchEmpty
	}
	if newCount <= 0 {
		return FetchDuplicateOnly
	}
	return FetchValid
}