Moved the code from src to the root.

handler/main.go

@@ -0,0 +1,37 @@
+package handler
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/localizer"
+)
+
+type MainHandler struct {
+	convertorHandler    ConvertorHandlerContract
+	menuHandler         MenuHandlerContract
+	localizerRepository localizer.RepositoryContract
+	localizerService    localizer.ServiceContract
+}
+
+func NewMainHandler(
+	convertorHandler ConvertorHandlerContract,
+	menuHandler MenuHandlerContract,
+	localizerRepository localizer.RepositoryContract,
+	localizerService localizer.ServiceContract,
+) *MainHandler {
+	return &MainHandler{
+		convertorHandler:    convertorHandler,
+		menuHandler:         menuHandler,
+		localizerRepository: localizerRepository,
+		localizerService:    localizerService,
+	}
+}
+
+func (h MainHandler) Start() {
+	language, err := h.localizerRepository.GetCode()
+	if err != nil {
+		h.menuHandler.LanguageSelection()
+		return
+	}
+	_ = h.localizerService.SetCurrentLanguageByCode(language)
+
+	h.convertorHandler.MainConvertor()
+}