Add route and template files

router/changeLanguageHandler.go

@@ -0,0 +1,46 @@
+package router;
+
+import (
+	"net/http"
+
+	"github.com/ewhal/nyaa/util/languages"
+	"github.com/ewhal/nyaa/service/user"
+	"github.com/gorilla/mux"
+)
+
+func SeeLanguagesHandler(w http.ResponseWriter, r *http.Request) {
+	_, Tlang := languages.GetTfuncAndLanguageFromRequest(r, "en-us")
+	availableLanguages := languages.GetAvailableLanguages()
+
+	clv := ChangeLanguageVariables{NewSearchForm(), Navigation{}, Tlang.Tag, availableLanguages, GetUser(r), r.URL, mux.CurrentRoute(r)}
+	languages.SetTranslationFromRequest(changeLanguageTemplate, r, "en-us")
+	err := changeLanguageTemplate.ExecuteTemplate(w, "index.html", clv)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+}
+
+func ChangeLanguageHandler(w http.ResponseWriter, r *http.Request) {
+	lang := r.FormValue("language")
+
+	availableLanguages := languages.GetAvailableLanguages()
+	if _, exists := availableLanguages[lang]; !exists {
+		http.Error(w, "Language not available", http.StatusInternalServerError)
+		return
+	}
+
+	// If logged in, update user language; if not, set cookie.
+	user, err := userService.CurrentUser(r)
+	if err == nil {
+		user.Language = lang
+		// I don't know if I should use this...
+		userService.UpdateUserCore(&user)
+	} else {
+		http.SetCookie(w, &http.Cookie{Name: "lang", Value: lang})
+	}
+
+	url, _ := Router.Get("home").URL()
+	http.Redirect(w, r, url.String(), http.StatusSeeOther)
+}
+

templates/change_language.html

@@ -0,0 +1,24 @@
+{{define "title"}}{{T "change_language"}}{{end}}
+{{define "content"}}
+<div class="blockBody">
+    <hr>
+    <form role="form" method="POST">
+        <div class="form-group">
+            <label for="language">{{T "language"}}</label>
+            <div class="ui-select">
+                <select id="language" name="language" class="form-control">
+                    {{ $currentLanguage := .Language }}
+                    {{ range $tag, $translatedName := $.Languages }}
+                    <option value="{{ $tag }}" {{ if eq $currentLanguage $tag }}selected{{end}}>{{ $translatedName }}</option>
+					{{ end }}
+                </select>
+            </div>
+        </div>
+
+        <button type="submit" class="btn btn-success">{{T "save_changes"}}</button>
+    </form>
+	<div style="padding-bottom: 1em"></div>
+</div>
+{{end}}
+
+