initial commit

go.mod

@@ -0,0 +1,13 @@
+module github.com/rramiachraf/dumb
+
+go 1.18
+
+require (
+	github.com/PuerkitoBio/goquery v1.8.0
+	github.com/gorilla/mux v1.8.0
+)
+
+require (
+	github.com/andybalholm/cascadia v1.3.1 // indirect
+	golang.org/x/net v0.0.0-20210916014120-12bc252f5db8 // indirect
+)

go.sum

@@ -0,0 +1,13 @@
+github.com/PuerkitoBio/goquery v1.8.0 h1:PJTF7AmFCFKk1N6V6jmKfrNH9tV5pNE6lZMkG0gta/U=
+github.com/PuerkitoBio/goquery v1.8.0/go.mod h1:ypIiRMtY7COPGk+I/YbZLbxsxn9g5ejnI2HSMtkjZvI=
+github.com/andybalholm/cascadia v1.3.1 h1:nhxRkql1kdYCc8Snf7D5/D3spOX+dBgjA6u8x004T2c=
+github.com/andybalholm/cascadia v1.3.1/go.mod h1:R4bJ1UQfqADjvDa4P6HZHLh/3OxWWEqc0Sk8XGwHqvA=
+github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
+github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
+golang.org/x/net v0.0.0-20210916014120-12bc252f5db8 h1:/6y1LfuqNuQdHAm0jjtPtgRcxIxjVZgm5OTu8/QhZvk=
+golang.org/x/net v0.0.0-20210916014120-12bc252f5db8/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
+golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=

lyrics.go

@@ -0,0 +1,81 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+	"path"
+	"text/template"
+
+	"github.com/PuerkitoBio/goquery"
+	"github.com/gorilla/mux"
+)
+
+type song struct {
+	Artist string
+	Title  string
+	Image  string
+	Lyrics 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 {
+			log.Println(err)
+		}
+
+		s.Lyrics += h
+	})
+}
+
+func (s *song) parseMetadata(doc *goquery.Document) {
+	artist := doc.Find("a[class*='Artist']").First().Text()
+	title := doc.Find("h1[class*='Title']").First().Text()
+	image, exists := doc.Find("meta[property='og:image']").Attr("content")
+	if exists {
+		s.Image = image
+	}
+
+	s.Title = title
+	s.Artist = artist
+}
+
+func (s *song) parse(doc *goquery.Document) {
+	s.parseLyrics(doc)
+	s.parseMetadata(doc)
+}
+
+func lyricsHandler(w http.ResponseWriter, r *http.Request) {
+	id := mux.Vars(r)["id"]
+
+	url := fmt.Sprintf("https://genius.com/%s-lyrics", id)
+	resp, err := http.Get(url)
+	if err != nil {
+		write(w, http.StatusInternalServerError, []byte("can't reach genius servers"))
+		return
+	}
+
+	if resp.StatusCode == http.StatusNotFound {
+		write(w, http.StatusNotFound, []byte("Not found"))
+		return
+	}
+
+	doc, err := goquery.NewDocumentFromReader(resp.Body)
+	if err != nil {
+		write(w, http.StatusInternalServerError, []byte("something went wrong"))
+		return
+	}
+
+	var s song
+	s.parse(doc)
+
+	w.Header().Set("content-type", "text/html")
+	t, err := template.ParseFiles(path.Join("views", "lyrics.tmpl"))
+	if err != nil {
+		write(w, http.StatusInternalServerError, []byte("something went wrong"))
+		return
+	}
+
+	t.Execute(w, s)
+}

main.go

@@ -0,0 +1,54 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"net"
+	"net/http"
+	"os"
+	"strconv"
+	"time"
+
+	"github.com/gorilla/mux"
+)
+
+func fatal(err any) {
+	log.Fatalf("[ERR] %s\n", err)
+}
+
+func info(s string) {
+	log.Printf("[INFO] %s\n", s)
+}
+
+func write(w http.ResponseWriter, status int, data []byte) {
+	w.WriteHeader(status)
+	w.Write(data)
+}
+
+func main() {
+	r := mux.NewRouter()
+
+	r.HandleFunc("/{id}-lyrics", lyricsHandler)
+	r.PathPrefix("/static/").Handler(http.StripPrefix("/static/", http.FileServer(http.Dir("static"))))
+
+	server := &http.Server{
+		Handler:      r,
+		WriteTimeout: 10 * time.Second,
+		ReadTimeout:  10 * time.Second,
+	}
+
+	port, _ := strconv.Atoi(os.Getenv("PORT"))
+
+	if port == 0 {
+		port = 5555
+	}
+
+	l, err := net.Listen("tcp", fmt.Sprintf(":%d", port))
+	if err != nil {
+		fatal(err)
+	}
+
+	info(fmt.Sprintf("server is listening on port %d", port))
+
+	fatal(server.Serve(l))
+}

static/script.js

@@ -0,0 +1,7 @@
+document.querySelectorAll("#lyrics > a").forEach(item => {
+	item.addEventListener("click", getAnnotation)
+})
+
+function getAnnotation(e) {
+	e.preventDefault()
+}

static/style.css

@@ -0,0 +1,99 @@
+/* inter-regular - latin */
+@font-face {
+  font-family: 'Inter';
+  font-style: normal;
+  font-weight: 400;
+  src: local(''),
+       url('/static/fonts/inter-v11-latin-regular.woff2') format('woff2'), /* Chrome 26+, Opera 23+, Firefox 39+ */
+       url('/static/fonts/inter-v11-latin-regular.woff') format('woff'); /* Chrome 6+, Firefox 3.6+, IE 9+, Safari 5.1+ */
+}
+
+/* inter-500 - latin */
+@font-face {
+  font-family: 'Inter';
+  font-style: normal;
+  font-weight: 500;
+  src: local(''),
+       url('/static/fonts/inter-v11-latin-500.woff2') format('woff2'), /* Chrome 26+, Opera 23+, Firefox 39+ */
+       url('/static/fonts/inter-v11-latin-500.woff') format('woff'); /* Chrome 6+, Firefox 3.6+, IE 9+, Safari 5.1+ */
+}
+
+/* inter-700 - latin */
+@font-face {
+  font-family: 'Inter';
+  font-style: normal;
+  font-weight: 700;
+  src: local(''),
+       url('/static/fonts/inter-v11-latin-700.woff2') format('woff2'), /* Chrome 26+, Opera 23+, Firefox 39+ */
+       url('/static/fonts/inter-v11-latin-700.woff') format('woff'); /* Chrome 6+, Firefox 3.6+, IE 9+, Safari 5.1+ */
+}
+
+
+* {
+	margin: 0;
+	padding: 0;
+}
+
+html {
+	font-size: 62.5%;
+}
+
+body {
+	font-size: 1.5rem;
+	font-family: inter;
+	background-color: #f9f9f9;
+}
+
+#lyrics {
+	position: absolute;
+	left: 50%;
+	transform: translateX(-50%);
+	padding: 1rem 0;
+	color: #171717;
+	line-height: 2.5rem;
+}
+
+#lyrics a {
+	background-color: #ddd;
+	color: inherit;
+}
+
+#nav {
+	font-size: 2.5rem;
+	text-align: center;
+	font-weight: 700;
+	background-color: #FFCD38;
+	color: #1B1A17;
+	padding: 0.5rem;
+	letter-spacing: 1rem;
+	font-family: monospace;
+}
+
+a {
+	text-decoration: none;
+}
+
+#metadata {
+	display: flex;
+	flex-direction: column;
+	align-items: center;
+	gap: 0.5rem;
+	padding: 1rem;
+}
+
+#metadata h1 {
+	font-size: 2.2rem;
+	color: #171717;
+}
+
+#metadata h2 {
+	font-size: 1.5rem;
+	color: #1E1E1E;
+	text-transform: uppercase;
+	font-weight: 500;
+}
+
+#metadata > img {
+	width: 20rem;
+	border-radius: 3px;
+}

views/lyrics.tmpl

@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html>
+	<head>
+		<title>{{.Artist}} - {{.Title}} lyrics</title>
+		<meta charset="utf-8" />
+		<link rel="stylesheet" type="text/css" href="/static/style.css" />
+		<script type="text/javascript" src="/static/script.js" async></script>
+	</head>
+	<body>
+		<h1 id="nav">DUMB</h1>
+		<div id="metadata">
+			<img src="{{.Image}}"/>
+			<h2>{{.Artist}}</h2>
+			<h1>{{.Title}}</h1>
+		</div>
+		<div id="lyrics">{{.Lyrics}}</div>
+	</body>
+</html>