add language selector to form

api.go

@@ -3,8 +3,6 @@ package main
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
-	"path/filepath"
 	"strconv"
 	"strings"
 	"time"
@@ -1088,23 +1086,17 @@ func (app *appContext) GetConfig(gc *gin.Context) {
 	app.info.Println("Config requested")
 	resp := app.configBase
 	// Load language options
-	langPath := filepath.Join(app.localPath, "lang", "form")
-	app.lang.langFiles, _ = ioutil.ReadDir(langPath)
-	app.lang.langOptions = make([]string, len(app.lang.langFiles))
-	chosenLang := app.config.Section("ui").Key("language").MustString("en-us") + ".json"
-	for i, f := range app.lang.langFiles {
-		if f.Name() == chosenLang {
-			app.lang.chosenIndex = i
-		}
-		var langFile map[string]interface{}
-		file, _ := ioutil.ReadFile(filepath.Join(langPath, f.Name()))
-		json.Unmarshal(file, &langFile)
-
-		if meta, ok := langFile["meta"]; ok {
-			app.lang.langOptions[i] = meta.(map[string]interface{})["name"].(string)
-		}
+	langOptions := make([]string, len(app.storage.lang.Form))
+	chosenLang := app.config.Section("ui").Key("language").MustString("en-us")
+	chosenLangName := app.storage.lang.Form[chosenLang]["meta"].(map[string]interface{})["name"].(string)
+	i := 0
+	for _, lang := range app.storage.lang.Form {
+		langOptions[i] = lang["meta"].(map[string]interface{})["name"].(string)
+		i++
 	}
-	s := resp.Sections["ui"].Settings["language"]
+	l := resp.Sections["ui"].Settings["language"]
+	l.Options = langOptions
+	l.Value = chosenLangName
 	for sectName, section := range resp.Sections {
 		for settingName, setting := range section.Settings {
 			val := app.config.Section(sectName).Key(settingName)
@@ -1120,13 +1112,11 @@ func (app *appContext) GetConfig(gc *gin.Context) {
 			resp.Sections[sectName].Settings[settingName] = s
 		}
 	}
-	s.Options = app.lang.langOptions
-	s.Value = app.lang.langOptions[app.lang.chosenIndex]
-	resp.Sections["ui"].Settings["language"] = s
+	resp.Sections["ui"].Settings["language"] = l
 
 	t := resp.Sections["jellyfin"].Settings["type"]
 	opts := make([]string, len(serverTypes))
-	i := 0
+	i = 0
 	for _, v := range serverTypes {
 		opts[i] = v
 		i++
@@ -1158,9 +1148,9 @@ func (app *appContext) ModifyConfig(gc *gin.Context) {
 			}
 			for setting, value := range settings.(map[string]interface{}) {
 				if section == "ui" && setting == "language" {
-					for i, lang := range app.lang.langOptions {
-						if value.(string) == lang {
-							tempConfig.Section(section).Key(setting).SetValue(strings.Replace(app.lang.langFiles[i].Name(), ".json", "", 1))
+					for key, lang := range app.storage.lang.Form {
+						if lang["meta"].(map[string]interface{})["name"].(string) == value.(string) {
+							tempConfig.Section("ui").Key("language").SetValue(key)
 							break
 						}
 					}
@@ -1225,6 +1215,25 @@ func (app *appContext) Logout(gc *gin.Context) {
 	respondBool(200, true, gc)
 }
 
+// @Summary Returns a map of available language codes to their full names, usable in the lang query parameter.
+// @Produce json
+// @Success 200 {object} langDTO
+// @Failure 500 {object} stringResponse
+// @Router /lang [get]
+// @tags Other
+func (app *appContext) GetLanguages(gc *gin.Context) {
+	resp := langDTO{}
+	for key, lang := range app.storage.lang.Form {
+		fmt.Printf("%+v\n", lang["meta"])
+		resp[key] = lang["meta"].(map[string]interface{})["name"].(string)
+	}
+	if len(resp) == 0 {
+		respond(500, "Couldn't get languages", gc)
+		return
+	}
+	gc.JSON(200, resp)
+}
+
 // func Restart() error {
 // 	defer func() {
 // 		if r := recover(); r != nil {

config.go

@@ -84,5 +84,7 @@ func (app *appContext) loadConfig() error {
 
 	substituteStrings = app.config.Section("jellyfin").Key("substitute_jellyfin_strings").MustString("")
 
+	app.storage.lang.chosenFormLang = app.config.Section("ui").Key("language").MustString("en-us")
+
 	return nil
 }

config/config-base.json

@@ -85,7 +85,7 @@
             },
             "settings": {
                 "language": {
-                    "name": "Language",
+                    "name": "Default Form Language",
                     "required": false,
                     "requires_restart": true,
                     "type": "select",
@@ -93,7 +93,7 @@
                         "en-us"
                     ],
                     "value": "en-US",
-                    "description": "UI Language. Currently only implemented for account creation form. Submit a PR on github if you'd like to translate."
+                    "description": "Default UI Language. Currently only implemented for account creation form. Submit a PR on github if you'd like to translate."
                 },
                 "theme": {
                     "name": "Default Look",

css/base.css

@@ -370,3 +370,8 @@ p.top {
     bottom: 1rem;
     z-index: 16;
 }
+
+.dropdown {
+    padding-bottom: 0.5rem;
+    margin-bottom: -0.5rem;
+}

html/form.html

@@ -14,6 +14,16 @@
             </div>
         </div>
         <div id="notification-box"></div>
+        <span class="dropdown" tabindex="0" id="lang-dropdown">
+            <span class="button ~urge dropdown-button">
+                <i class="ri-global-line"></i>
+                <span class="ml-1 chev"></span>
+            </span>
+            <div class="dropdown-display">
+                <div class="card ~neutral !low" id="lang-list">
+                </div>
+            </div>
+        </span>
         <div class="page-container">
             <div class="card ~neutral !low">
                 <div class="row baseline">

main.go

@@ -76,17 +76,9 @@ type appContext struct {
 	port             int
 	version          string
 	quit             chan os.Signal
-	lang             Languages
 	URLBase          string
 }
 
-// Languages stores the names and filenames of language files, and the index of that which is currently selected.
-type Languages struct {
-	langFiles   []os.FileInfo // Language filenames
-	langOptions []string      // Language names
-	chosenIndex int
-}
-
 func (app *appContext) loadHTML(router *gin.Engine) {
 	customPath := app.config.Section("files").Key("html_templates").MustString("")
 	templatePath := filepath.Join(app.localPath, "html")
@@ -521,13 +513,11 @@ func start(asDaemon, firstCall bool) {
 				}
 			}
 		}
-
-		lang := app.config.Section("ui").Key("language").MustString("en-us")
-		app.storage.lang.FormPath = filepath.Join(app.localPath, "lang", "form", lang+".json")
-		if _, err := os.Stat(app.storage.lang.FormPath); os.IsNotExist(err) {
-			app.storage.lang.FormPath = filepath.Join(app.localPath, "lang", "form", "en-us.json")
+		app.storage.lang.FormPath = filepath.Join(app.localPath, "lang", "form")
+		err = app.storage.loadLang()
+		if err != nil {
+			app.info.Fatalf("Failed to load language files: %+v\n", err)
 		}
-		app.storage.loadLang()
 
 		app.authJf, _ = mediabrowser.NewServer(serverType, server, "jfa-go", app.version, "auth", "auth", timeoutHandler, cacheTimeout)
 
@@ -574,6 +564,7 @@ func start(asDaemon, firstCall bool) {
 
 	router.Use(gin.Recovery())
 	router.Use(static.Serve("/", static.LocalFile(filepath.Join(app.localPath, "web"), false)))
+	router.Use(static.Serve("/lang/", static.LocalFile(filepath.Join(app.localPath, "lang"), false)))
 	app.loadHTML(router)
 	router.NoRoute(app.NoRouteHandler)
 	if debugMode {
@@ -585,6 +576,7 @@ func start(asDaemon, firstCall bool) {
 		router.GET("/accounts", app.AdminPage)
 		router.GET("/settings", app.AdminPage)
 
+		router.GET("/lang", app.GetLanguages)
 		router.GET("/token/login", app.getTokenLogin)
 		router.GET("/token/refresh", app.getTokenRefresh)
 		router.POST("/newUser", app.NewUser)

models.go

@@ -156,3 +156,5 @@ type settings struct {
 	Order    []string           `json:"order"`
 	Sections map[string]section `json:"sections"`
 }
+
+type langDTO map[string]string

storage.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"io/ioutil"
 	"log"
+	"path/filepath"
 	"strconv"
 	"strings"
 	"time"
@@ -20,8 +21,9 @@ type Storage struct {
 }
 
 type Lang struct {
+	chosenFormLang string
 	FormPath       string
-	Form     map[string]interface{}
+	Form           map[string]map[string]interface{}
 }
 
 // timePattern: %Y-%m-%dT%H:%M:%S.%f
@@ -58,33 +60,45 @@ func (st *Storage) storeInvites() error {
 }
 
 func (st *Storage) loadLang() error {
+	formFiles, err := ioutil.ReadDir(st.lang.FormPath)
+	st.lang.Form = map[string]map[string]interface{}{}
+	if err != nil {
+		return err
+	}
+	for _, f := range formFiles {
+		index := strings.TrimSuffix(f.Name(), filepath.Ext(f.Name()))
+		var data map[string]interface{}
 		if substituteStrings != "" {
 			var file []byte
 			var err error
-		file, err = ioutil.ReadFile(st.lang.FormPath)
+			file, err = ioutil.ReadFile(filepath.Join(st.lang.FormPath, f.Name()))
 			if err != nil {
 				file = []byte("{}")
 			}
 			// Replace Jellyfin with emby on form
 			file = []byte(strings.ReplaceAll(string(file), "Jellyfin", substituteStrings))
-		err = json.Unmarshal(file, &st.lang.Form)
+			err = json.Unmarshal(file, &data)
 			if err != nil {
 				log.Printf("ERROR: Failed to read \"%s\": %s", st.lang.FormPath, err)
-		}
 				return err
 			}
-	err := loadJSON(st.lang.FormPath, &st.lang.Form)
+		} else {
+			err := loadJSON(filepath.Join(st.lang.FormPath, f.Name()), &data)
 			if err != nil {
 				return err
 			}
-	strings := st.lang.Form["strings"].(map[string]interface{})
+		}
+
+		strings := data["strings"].(map[string]interface{})
 		validationStrings := strings["validationStrings"].(map[string]interface{})
 		vS, err := json.Marshal(validationStrings)
 		if err != nil {
 			return err
 		}
 		strings["validationStrings"] = string(vS)
-	st.lang.Form["strings"] = strings
+		data["strings"] = strings
+		st.lang.Form[index] = data
+	}
 	return nil
 }
 

ts/form.ts

@@ -1,5 +1,5 @@
 import { Modal } from "./modules/modal.js";
-import { _post, toggleLoader } from "./modules/common.js";
+import { _get, _post, toggleLoader } from "./modules/common.js";
 
 interface formWindow extends Window {
     validationStrings: pwValStrings;
@@ -21,6 +21,24 @@ interface pwValStrings {
     [ type: string ]: pwValString;
 }
 
+_get("/lang", null, (req: XMLHttpRequest) => {
+    if (req.readyState == 4) {
+        if (req.status != 200) {
+            document.getElementById("lang-dropdown").remove();
+            return;
+        }
+        const list = document.getElementById("lang-list") as HTMLDivElement;
+        let innerHTML = '';
+        for (let code in req.response) {
+            innerHTML += `<a href="?lang=${code}" class="button input ~neutral field mb-half">${req.response[code]}</a>`;
+        }
+        list.innerHTML = innerHTML;
+    }
+});
+
+
+
+
 window.modal = new Modal(document.getElementById("modal-success"));
 declare var window: formWindow;
 

views.go

@@ -31,6 +31,12 @@ func (app *appContext) AdminPage(gc *gin.Context) {
 
 func (app *appContext) InviteProxy(gc *gin.Context) {
 	code := gc.Param("invCode")
+	lang := gc.Query("lang")
+	if lang == "" {
+		lang = app.storage.lang.chosenFormLang
+	} else if _, ok := app.storage.lang.Form[lang]; !ok {
+		lang = app.storage.lang.chosenFormLang
+	}
 	/* Don't actually check if the invite is valid, just if it exists, just so the page loads quicker. Invite is actually checked on submit anyway. */
 	// if app.checkInvite(code, false, "") {
 	if _, ok := app.storage.invites[code]; ok {
@@ -49,7 +55,7 @@ func (app *appContext) InviteProxy(gc *gin.Context) {
 			"requirements":   app.validator.getCriteria(),
 			"email":          email,
 			"username":       !app.config.Section("email").Key("no_username").MustBool(false),
-			"lang":           app.storage.lang.Form["strings"],
+			"lang":           app.storage.lang.Form[lang]["strings"],
 		})
 	} else {
 		gcHTML(gc, 404, "invalidCode.html", gin.H{