From 9550f76265805e9bfe0616a7834a9eed4d95e368 Mon Sep 17 00:00:00 2001
From: Julian Hurst <julian.hurst92@gmail.com>
Date: Thu, 15 Oct 2020 18:38:21 +0200
Subject: Add multi language support

---
 grimtube.go                |  7 +++++--
 static/style-halloween.css |  8 ++++++++
 static/style.css           | 16 ++++++++++++++++
 templates/search.html      | 14 ++++++++++----
 ytparser/ytparser.go       | 23 ++++++++++++++---------
 5 files changed, 53 insertions(+), 15 deletions(-)

diff --git a/grimtube.go b/grimtube.go
index 9851c8d..416bc7f 100644
--- a/grimtube.go
+++ b/grimtube.go
@@ -40,6 +40,7 @@ func search(w http.ResponseWriter, r *http.Request) {
 		query := r.URL.Query()
 		term := query.Get("term")
 		sPage := query.Get("page")
+		lang := query.Get("lang")
 		var page int
 		if sPage == "" {
 			page = 0
@@ -51,8 +52,8 @@ func search(w http.ResponseWriter, r *http.Request) {
 				page = p
 			}
 		}
-		log.Printf("searching: %s, page: %d\n", term, page)
-		items, err := ytparser.Search(term, page)
+		log.Printf("searching: %s, page: %d, lang: %s\n", term, page, lang)
+		items, err := ytparser.Search(term, page, lang)
 		if err != nil {
 			log.Println(err)
 			data := struct {
@@ -66,10 +67,12 @@ func search(w http.ResponseWriter, r *http.Request) {
 				Items []ytparser.Item
 				Term string
 				Page int
+				Lang string
 			}{
 				items,
 				term,
 				page,
+				lang,
 			}
 			serve(w, "templates/search.html", data)
 		}
diff --git a/static/style-halloween.css b/static/style-halloween.css
index def4dac..0598e83 100644
--- a/static/style-halloween.css
+++ b/static/style-halloween.css
@@ -54,3 +54,11 @@ iframe {
 .comments {
 	font-size: small;
 }
+
+input#term {
+	width: 90%;
+}
+
+select#lang {
+	width: calc(10% - 10px);
+}
diff --git a/static/style.css b/static/style.css
index 62ec755..a4f71c5 100644
--- a/static/style.css
+++ b/static/style.css
@@ -44,3 +44,19 @@ iframe {
 .comments {
 	font-size: small;
 }
+
+input#term {
+	width: 90%;
+	height: 22px;
+	border: 1px solid black;
+	padding: 0px;
+	margin: 0px;
+}
+
+select#lang {
+	width: calc(10% - 8px);
+	height: 22px;
+	border: 1px solid black;
+	padding: 0px;
+	margin: 0px;
+}
diff --git a/templates/search.html b/templates/search.html
index 517e5d0..e5a8e34 100644
--- a/templates/search.html
+++ b/templates/search.html
@@ -2,6 +2,11 @@
 {{define "content"}}
 	<form action="/search" method="get">
 		<input id="term" name="term" type="text" placeholder="search" required>
+		<select id="lang" name="lang">
+			<option>en</option>
+			<option>fr</option>
+			<option>de</option>
+		</select>
 	</form>
 	<table>
 	{{range .Items}}
@@ -10,8 +15,9 @@
 				<a href="/embed?id={{.Id}}"><img width=240 src="{{.Thumb}}"></a>
 			</td>
 			<td>
-				<a href="/embed?id={{.Id}}"><span>{{.Title}}</span></a><br/>
-				<a href="{{.Url}}"><span class="comments">Comments</span></a>
+				<p><a href="/embed?id={{.Id}}">{{.Title}}</a></p>
+				<p class="comments"><a href="{{.Url}}">Comments</a></p>
+				<p class="published">{{.Published}}</p>
 			</td>
 			<td>
 				<a href="{{.ChannelUrl}}"><span>{{.ChannelTitle}}</span></a>
@@ -19,6 +25,6 @@
 		</tr>
 	{{end}}
 	</table>
-	<a href="/search?term={{.Term}}&page={{dec .Page}}">Prev Page</a> |
-	<a href="/search?term={{.Term}}&page={{inc .Page}}">Next Page</a>
+	<a href="/search?term={{.Term}}&page={{dec .Page}}&lang={{.Lang}}">Prev Page</a> |
+	<a href="/search?term={{.Term}}&page={{inc .Page}}&lang={{.Lang}}">Next Page</a>
 {{end}}
diff --git a/ytparser/ytparser.go b/ytparser/ytparser.go
index 57c2a31..fe9ae66 100644
--- a/ytparser/ytparser.go
+++ b/ytparser/ytparser.go
@@ -22,6 +22,7 @@ type Item struct {
 	Thumb string
 	ChannelTitle string
 	ChannelUrl string
+	Published string
 }
 
 func (item Item) Format(t *template.Template) string {
@@ -38,10 +39,8 @@ func (item Item) String() string {
 }
 
 func parsejson(data string) ([]Item, error) {
-	//fmt.Println(data)
 	dec := json.NewDecoder(strings.NewReader(data))
 
-
 	depth := 0
 	isArray := false
 	isValue := false
@@ -116,6 +115,12 @@ func parsejson(data string) ([]Item, error) {
 						names[depth-1] == "url" {
 							item.Thumb = t
 					}
+					if depth >= 3 &&
+						names[depth-3] == "videoRenderer" &&
+						names[depth-2] == "publishedTimeText" &&
+						names[depth-1] == "simpleText" {
+							item.Published = t
+					}
 					isValue = false
 				}
 			}
@@ -123,20 +128,18 @@ func parsejson(data string) ([]Item, error) {
 		}
 	}
 	return items, nil
-	//fmt.Println(names)
 }
 
 func PrintItems(items []Item, format string) {
 	t := template.Must(template.New("items").Parse(format))
 	for _, i := range items {
 		fmt.Println(i.Format(t))
-		//fmt.Println(i)
 	}
 }
 
-func request(query string, page int) (string, error) {
+func request(query string, page int, lang string) (string, error) {
 	q := url.QueryEscape(query)
-	url := fmt.Sprintf("https://www.youtube.com/results?search_query=%s&page=%d", q, page)
+	url := fmt.Sprintf("https://www.youtube.com/results?search_query=%s&page=%d&hl=%s", q, page, lang)
 	res, err := http.DefaultClient.Get(url)
 	if err != nil {
 		return "", err
@@ -150,12 +153,14 @@ func request(query string, page int) (string, error) {
 	startData := body[idx:]
 	idx = bytes.Index(startData, []byte(";\n"))
 	startData = startData[:idx]
-	//fmt.Println(string(startData))
 	return string(startData), nil
 }
 
-func Search(query string, page int) ([]Item, error) {
-	data, err := request(query, page)
+func Search(query string, page int, lang string) ([]Item, error) {
+	if lang == "" {
+		lang = "en"
+	}
+	data, err := request(query, page, lang)
 	if err != nil {
 		return nil, err
 	}
-- 
cgit v1.2.3