func FetchPreview(code int, tweet *anaconda.Tweet, config Config) {
coverUrls := PeekCoverImageUrls(code, config.HaruHostName)
now := time.Now()
// 커버는 1개일 확률이 높으니까 고루틴 굳이 쓸 필요 없을거다
for i, url := range coverUrls {
fetcher := network.HttpFetcher{}
resp := fetcher.Fetch(url)
prefix := twutils.MakePrefix(now)
filename := ""
ext := filepath.Ext(url)
if len(coverUrls) == 1 {
filename = fmt.Sprintf("%d%s", code, ext)
} else {
num := i + 1
filename = fmt.Sprintf("%d_%d%s", code, num, ext)
}
config.Accessor.UploadBytes(resp.Data, prefix+filename)
}
if tweet != nil && len(coverUrls) > 0 {
twutils.UploadMetadata(tweet, config.Accessor, "", now)
}
}
// 썸네일 얻기. hitomi api 에서 획득 가능하겠지?
func PeekCoverImageUrls(code int, host string) []string {
url := fmt.Sprintf("http://%s/api/detail/hitomi/%d", host, code)
fetcher := network.HttpFetcher{}
apiResp := fetcher.Fetch(url)
jsontext := string(apiResp.Data)
urls := ExtractCoverImages(jsontext)
return urls
}
func fetchMediaCh(tweet *anaconda.Tweet, media anaconda.EntityMedia, resps chan<- *MediaResponse) {
url := twutils.FindMediaURL(media)
filename := twutils.MakeMediaFileName(tweet, media)
fetcher := network.HttpFetcher{}
resp := fetcher.Fetch(url)
resps <- &MediaResponse{
resp,
filename,
}
}