feat: replace text/template with templ and refactor code

handlers/album.go

@@ -0,0 +1,67 @@
+package handlers
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+
+	"github.com/PuerkitoBio/goquery"
+	"github.com/gorilla/mux"
+	"github.com/rramiachraf/dumb/data"
+	"github.com/rramiachraf/dumb/views"
+	"github.com/sirupsen/logrus"
+)
+
+func Album(l *logrus.Logger) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		artist := mux.Vars(r)["artist"]
+		albumName := mux.Vars(r)["albumName"]
+
+		id := fmt.Sprintf("%s/%s", artist, albumName)
+
+		if a, err := getCache[data.Album](id); err == nil {
+			views.AlbumPage(a).Render(context.Background(), w)
+			return
+		}
+
+		url := fmt.Sprintf("https://genius.com/albums/%s/%s", artist, albumName)
+
+		resp, err := sendRequest(url)
+		if err != nil {
+			l.Errorln(err)
+			w.WriteHeader(http.StatusInternalServerError)
+			views.ErrorPage(500, "cannot reach Genius servers").Render(context.Background(), w)
+			return
+		}
+
+		defer resp.Body.Close()
+
+		if resp.StatusCode == http.StatusNotFound {
+			w.WriteHeader(http.StatusNotFound)
+			views.ErrorPage(404, "page not found").Render(context.Background(), w)
+			return
+		}
+
+		doc, err := goquery.NewDocumentFromReader(resp.Body)
+		if err != nil {
+			l.Errorln(err)
+			w.WriteHeader(http.StatusInternalServerError)
+			views.ErrorPage(500, "something went wrong").Render(context.Background(), w)
+			return
+		}
+
+		cf := doc.Find(".cloudflare_content").Length()
+		if cf > 0 {
+			l.Errorln("cloudflare got in the way")
+			views.ErrorPage(500, "i'll fix this later #21").Render(context.Background(), w)
+			return
+		}
+
+		var a data.Album
+		a.Parse(doc)
+
+		views.AlbumPage(a).Render(context.Background(), w)
+
+		setCache(id, a)
+	}
+}