From e949e31dcb6959b6352f2f9123b945e7432da7cf Mon Sep 17 00:00:00 2001
From: Julian Hurst <julian.hurst92@gmail.com>
Date: Fri, 16 Oct 2020 11:59:13 +0200
Subject: Available langs as slice

---
 grimtube.go           | 13 ++++++++++++-
 templates/index.html  |  6 +++---
 templates/search.html | 10 +++++++---
 3 files changed, 22 insertions(+), 7 deletions(-)

diff --git a/grimtube.go b/grimtube.go
index ef51f0c..5df86aa 100644
--- a/grimtube.go
+++ b/grimtube.go
@@ -13,6 +13,10 @@ import (
 	"grimtube/ytparser"
 )
 
+func getLangs() []string {
+	return []string{"en", "fr", "de"}
+}
+
 func serve(w http.ResponseWriter, templatePath string, data interface{}) {
 	funcMap := template.FuncMap {
 		"inc": func(i int) int {
@@ -33,7 +37,12 @@ func serve(w http.ResponseWriter, templatePath string, data interface{}) {
 }
 
 func index(w http.ResponseWriter, r *http.Request) {
-	serve(w, "templates/index.html", nil)
+	data := struct {
+		Langs []string
+	}{
+		getLangs(),
+	}
+	serve(w, "templates/index.html", data)
 }
 
 func search(w http.ResponseWriter, r *http.Request) {
@@ -70,11 +79,13 @@ func search(w http.ResponseWriter, r *http.Request) {
 				Term string
 				Page int
 				Lang string
+				Langs []string
 			}{
 				items,
 				term,
 				page,
 				lang,
+				getLangs(),
 			}
 			serve(w, "templates/search.html", data)
 		}
diff --git a/templates/index.html b/templates/index.html
index 4b16728..434a34f 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -3,9 +3,9 @@
 	<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>
+			{{range .Langs}}
+				<option> {{.}}</option>
+			{{end}}
 		</select>
 	</form>
 {{end}}
diff --git a/templates/search.html b/templates/search.html
index e5a8e34..8a75962 100644
--- a/templates/search.html
+++ b/templates/search.html
@@ -3,9 +3,13 @@
 	<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>
+			{{range .Langs}}
+				{{if eq . $.Lang}}
+					<option selected>{{.}}</option>
+				{{else}}
+					<option>{{.}}</option>
+				{{end}}
+			{{end}}
 		</select>
 	</form>
 	<table>
-- 
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