63 lines
1.5 KiB
Go
63 lines
1.5 KiB
Go
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package handlers
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import (
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"context"
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"fmt"
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"net/http"
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"github.com/PuerkitoBio/goquery"
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"github.com/gorilla/mux"
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"github.com/rramiachraf/dumb/data"
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"github.com/rramiachraf/dumb/views"
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"github.com/sirupsen/logrus"
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)
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func Lyrics(l *logrus.Logger) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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id := mux.Vars(r)["id"]
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if s, err := getCache[data.Song](id); err == nil {
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views.LyricsPage(s).Render(context.Background(), w)
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return
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}
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url := fmt.Sprintf("https://genius.com/%s-lyrics", id)
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resp, err := sendRequest(url)
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if err != nil {
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l.Errorln(err)
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w.WriteHeader(http.StatusInternalServerError)
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views.ErrorPage(500, "cannot reach Genius servers").Render(context.Background(), w)
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return
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}
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defer resp.Body.Close()
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if resp.StatusCode == http.StatusNotFound {
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w.WriteHeader(http.StatusNotFound)
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views.ErrorPage(404, "page not found").Render(context.Background(), w)
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return
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}
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doc, err := goquery.NewDocumentFromReader(resp.Body)
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if err != nil {
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l.Errorln(err)
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w.WriteHeader(http.StatusInternalServerError)
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views.ErrorPage(500, "something went wrong").Render(context.Background(), w)
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return
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}
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cf := doc.Find(".cloudflare_content").Length()
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if cf > 0 {
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l.Errorln("cloudflare got in the way")
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views.ErrorPage(500, "TODO: fix Cloudflare #21").Render(context.Background(), w)
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return
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}
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var s data.Song
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s.Parse(doc)
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views.LyricsPage(s).Render(context.Background(), w)
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setCache(id, s)
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}
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}
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