Implemented API Endpoint to modify the servers set language

GoPage.go

@@ -392,6 +392,7 @@ func main() {
 	// For the proper filtering of items, and hopeful searching, here will be an api call for js to get all items as json
 	http.HandleFunc("/api/items", apiItemsHandler)
 	http.HandleFunc("/api/serversettings", apiServerSettingsHandler)
+	http.HandleFunc("/api/changelang", handler.ChangeLang)	// /api/changelang?lang=en
 	http.HandleFunc("/api/usersettings", apiUserSettingsHandler)
 	http.HandleFunc("/api/usersettingswrite", model.UserSettingSet)
 	// Below will be API declarations used for plugins

handler/handler.go

@@ -5,6 +5,8 @@ import (
 	"github.com/spf13/viper"
 	"io/ioutil"
 	"net/http"
+	modifySettings "github.com/confused-Techie/GoPage/modifySettings"
+	"encoding/json"
 )
 
 // UploadHandler is paired to http.HandleFunc("/upload", ) to handle the digestion of image uploads to GoPage
@@ -46,3 +48,22 @@ func UploadHandler(w http.ResponseWriter, r *http.Request) {
 	// After successfully uploading the file, redirect to the home page
 	http.Redirect(w, r, "/uploadpage", 301)
 }
+
+// ChangeLang is an API Endpoint to modify the server language whenever needed.
+func ChangeLang(w http.ResponseWriter, r *http.Request) {
+	keys, ok := r.URL.Query()["lang"]
+	if !ok || len(keys[0]) < 1 {
+		fmt.Println("URL Param 'lang' is missing")
+		json.NewEncoder(w).Encode("URL Param 'lang' is missing")
+	}
+	newLang := keys[0]
+
+	modifySettings.SetLangEnv(newLang)
+	resp, err := modifySettings.DetermineLang()
+
+	if err != nil {
+		fmt.Println("Error Occured when setting Lang: ", err)
+		json.NewEncoder(w).Encode("Error Occured when setting Lang")
+	}
+	json.NewEncoder(w).Encode(resp)
+}

settings/serverSettings.json

@@ -3,4 +3,4 @@
 "version": "0.3.1",
 "author": "confused-Techie",
 "lang": "en"
-}
+}