feat: replace text/template with templ and refactor code

data/lyrics.go

@@ -0,0 +1,112 @@
+package data
+
+import (
+	"encoding/json"
+	"fmt"
+	"strings"
+
+	"github.com/PuerkitoBio/goquery"
+	"github.com/sirupsen/logrus"
+)
+
+type Song struct {
+	Artist      string
+	Title       string
+	Image       string
+	Lyrics      string
+	Credits     map[string]string
+	About       [2]string
+	Album       string
+	LinkToAlbum string
+}
+
+type songResponse struct {
+	Response struct {
+		Song struct {
+			ArtistNames string `json:"artist_names"`
+			Image       string `json:"song_art_image_thumbnail_url"`
+			Title       string
+			Description struct {
+				Plain string
+			}
+			Album struct {
+				Url  string `json:"url"`
+				Name string `json:"name"`
+			}
+			CustomPerformances []customPerformance `json:"custom_performances"`
+		}
+	}
+}
+
+type customPerformance struct {
+	Label   string
+	Artists []struct {
+		Name string
+	}
+}
+
+func (s *Song) parseLyrics(doc *goquery.Document) {
+	doc.Find("[data-lyrics-container='true']").Each(func(i int, ss *goquery.Selection) {
+		h, err := ss.Html()
+		if err != nil {
+			logrus.Errorln("unable to parse lyrics", err)
+		}
+		s.Lyrics += h
+	})
+}
+
+func (s *Song) parseSongData(doc *goquery.Document) {
+	attr, exists := doc.Find("meta[property='twitter:app:url:iphone']").Attr("content")
+	if exists {
+		songID := strings.Replace(attr, "genius://songs/", "", 1)
+
+		u := fmt.Sprintf("https://genius.com/api/songs/%s?text_format=plain", songID)
+
+		res, err := sendRequest(u)
+		if err != nil {
+			logrus.Errorln(err)
+		}
+
+		defer res.Body.Close()
+
+		var data songResponse
+		decoder := json.NewDecoder(res.Body)
+		err = decoder.Decode(&data)
+		if err != nil {
+			logrus.Errorln(err)
+		}
+
+		songData := data.Response.Song
+		s.Artist = songData.ArtistNames
+		s.Image = songData.Image
+		s.Title = songData.Title
+		s.About[0] = songData.Description.Plain
+		s.About[1] = truncateText(songData.Description.Plain)
+		s.Credits = make(map[string]string)
+		s.Album = songData.Album.Name
+		s.LinkToAlbum = strings.Replace(songData.Album.Url, "https://genius.com", "", -1)
+
+		for _, perf := range songData.CustomPerformances {
+			var artists []string
+			for _, artist := range perf.Artists {
+				artists = append(artists, artist.Name)
+			}
+			s.Credits[perf.Label] = strings.Join(artists, ", ")
+		}
+	}
+}
+
+func truncateText(text string) string {
+	textArr := strings.Split(text, "")
+
+	if len(textArr) > 250 {
+		return strings.Join(textArr[0:250], "") + "..."
+	}
+
+	return text
+}
+
+func (s *Song) Parse(doc *goquery.Document) {
+	s.parseLyrics(doc)
+	s.parseSongData(doc)
+}