split some strings into common file; use lang file to setup page

setup.go

@@ -1,11 +1,33 @@
 package main
 
 import (
+	"encoding/json"
+	"io/ioutil"
+	"path/filepath"
+	"strings"
+
 	"github.com/gin-gonic/gin"
 	"github.com/hrfee/jfa-go/common"
 	"github.com/hrfee/jfa-go/mediabrowser"
 )
 
+func (app *appContext) ServeSetup(gc *gin.Context) {
+	lang := gc.Query("lang")
+	if lang == "" {
+		lang = "en-us"
+	} else if _, ok := app.storage.lang.Admin[lang]; !ok {
+		lang = "en-us"
+	}
+	emailLang := lang
+	if _, ok := app.storage.lang.Email[lang]; !ok {
+		emailLang = "en-us"
+	}
+	gc.HTML(200, "setup2.html", gin.H{
+		"lang":      app.storage.lang.Setup[lang],
+		"emailLang": app.storage.lang.Email[emailLang],
+	})
+}
+
 type testReq struct {
 	Host     string `json:"jfHost"`
 	Username string `json:"jfUser"`
@@ -24,3 +46,55 @@ func (app *appContext) TestJF(gc *gin.Context) {
 	}
 	gc.JSON(200, map[string]bool{"success": true})
 }
+
+func (st *Storage) loadLangSetup() error {
+	st.lang.Setup = map[string]setupLang{}
+	var english setupLang
+	load := func(fname string) error {
+		index := strings.TrimSuffix(fname, filepath.Ext(fname))
+		lang := setupLang{}
+		f, err := ioutil.ReadFile(filepath.Join(st.lang.SetupPath, fname))
+		if err != nil {
+			return err
+		}
+		err = json.Unmarshal(f, &lang)
+		if err != nil {
+			return err
+		}
+		st.lang.Common.patchCommon(index, &lang.Strings)
+		if fname != "en-us.json" {
+			patchLang(&english.Strings, &lang.Strings)
+			patchLang(&english.StartPage, &lang.StartPage)
+			patchLang(&english.EndPage, &lang.EndPage)
+			patchLang(&english.Language, &lang.Language)
+			patchLang(&english.Login, &lang.Login)
+			patchLang(&english.JellyfinEmby, &lang.JellyfinEmby)
+			patchLang(&english.Email, &lang.Email)
+			patchLang(&english.Notifications, &lang.Notifications)
+			patchLang(&english.PasswordResets, &lang.PasswordResets)
+			patchLang(&english.InviteEmails, &lang.InviteEmails)
+			patchLang(&english.PasswordValidation, &lang.PasswordValidation)
+			patchLang(&english.HelpMessages, &lang.HelpMessages)
+		}
+		st.lang.Setup[index] = lang
+		return nil
+	}
+	err := load("en-us.json")
+	if err != nil {
+		return err
+	}
+	english = st.lang.Setup["en-us"]
+	files, err := ioutil.ReadDir(st.lang.SetupPath)
+	if err != nil {
+		return err
+	}
+	for _, f := range files {
+		if f.Name() != "en-us.json" {
+			err = load(f.Name())
+			if err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}