feeds

type CrossrefHarvester struct {
	Client              Doer
	ApiEndpoint         string
	ApiFilter           string
	ApiEmail            string
	Rows                int
	UserAgent           string
	MaxRetries          int
	AcceptableMissRatio float64 // recommended: 0.1
}

type Doer interface {
	Do(*http.Request) (*http.Response, error)
}

type PubMedFetcher struct {
	BaseURL  string
	CacheTTL time.Duration
	CacheDir string
}

type PubMedFile struct {
	Filename     string
	URL          string
	LastModified time.Time
	Size         string
}

type WorksResponse struct {
	Message struct {
		Facets struct {
		} `json:"facets"`
		Items        []json.RawMessage `json:"items"`
		ItemsPerPage int64             `json:"items-per-page"`
		NextCursor   string            `json:"next-cursor"` // iterate
		Query        struct {
			SearchTerms interface{} `json:"search-terms"`
			StartIndex  int64       `json:"start-index"`
		} `json:"query"`
		TotalResults int64 `json:"total-results"` // want to estimate total results (and verify download)
	} `json:"message"`
	MessageType    string `json:"message-type"`
	MessageVersion string `json:"message-version"`
	Status         string `json:"status"`
}