i18n and UI fix

src/main/ipc-handlers.ts

@@ -15,6 +15,8 @@ import {
   deleteVersion,
   saveDownload,
   saveBackup,
+  getLocale,
+  setLocale,
 } from "./storage";
 import { KintoneClient, createKintoneClient } from "./kintone-api";
 import type { Result } from "@shared/types/ipc";
@@ -31,7 +33,9 @@ import type {
   DownloadResult,
   GetVersionsParams,
   RollbackParams,
+  SetLocaleParams,
 } from "@shared/types/ipc";
+import type { LocaleCode } from "@shared/types/locale";
 import type {
   Domain,
   DomainWithStatus,
@@ -45,6 +49,7 @@ import type {
 } from "@shared/types/version";
 import type { AppCustomizeParameter, AppDetail } from "@shared/types/kintone";
 import { getDisplayName, getFileKey } from "@shared/utils/fileDisplay";
+import { getErrorMessage } from "./errors";
 
 // Cache for Kintone clients
 const clientCache = new Map<string, KintoneClient>();
@@ -59,7 +64,7 @@ async function getClient(domainId: string): Promise<KintoneClient> {
 
   const domainWithPassword = await getDomain(domainId);
   if (!domainWithPassword) {
-    throw new Error(`Domain not found: ${domainId}`);
+    throw new Error(getErrorMessage("domainNotFound"));
   }
 
   const client = createKintoneClient(domainWithPassword);
@@ -81,7 +86,7 @@ function handle<P = void, T = unknown>(
       const data = await handler(params as P);
       return { success: true, data };
     } catch (error) {
-      const message = error instanceof Error ? error.message : "Unknown error";
+      const message = error instanceof Error ? error.message : getErrorMessage("unknownError");
       return { success: false, error: message };
     }
   });
@@ -114,7 +119,10 @@ function registerCreateDomain(): void {
 
     if (duplicate) {
       throw new Error(
-        `Domain "${params.domain}" with user "${params.username}" already exists. Please edit the existing domain instead.`,
+        getErrorMessage("domainDuplicate", {
+          domain: params.domain,
+          username: params.username,
+        }),
       );
     }
 
@@ -142,7 +150,7 @@ function registerUpdateDomain(): void {
     const existing = domains.find((d) => d.id === params.id);
 
     if (!existing) {
-      throw new Error(`Domain not found: ${params.id}`);
+      throw new Error(getErrorMessage("domainNotFound"));
     }
 
     const updated: Domain = {
@@ -188,7 +196,7 @@ function registerTestConnection(): void {
   handle<string, DomainWithStatus>("testConnection", async (id) => {
     const domainWithPassword = await getDomain(id);
     if (!domainWithPassword) {
-      throw new Error(`Domain not found: ${id}`);
+      throw new Error(getErrorMessage("domainNotFound"));
     }
 
     const client = createKintoneClient(domainWithPassword);
@@ -223,7 +231,7 @@ function registerTestDomainConnection(): void {
       const result = await client.testConnection();
 
       if (!result.success) {
-        throw new Error(result.error || "Connection failed");
+        throw new Error(result.error || getErrorMessage("connectionFailed"));
       }
 
       return true;
@@ -320,7 +328,7 @@ function registerDeploy(): void {
     const domainWithPassword = await getDomain(params.domainId);
 
     if (!domainWithPassword) {
-      throw new Error(`Domain not found: ${params.domainId}`);
+      throw new Error(getErrorMessage("domainNotFound"));
     }
 
     // Get current app config for backup
@@ -410,7 +418,7 @@ function registerDownload(): void {
     const domainWithPassword = await getDomain(params.domainId);
 
     if (!domainWithPassword) {
-      throw new Error(`Domain not found: ${params.domainId}`);
+      throw new Error(getErrorMessage("domainNotFound"));
     }
 
     const appDetail = await client.getAppDetail(params.appId);
@@ -507,7 +515,27 @@ function registerRollback(): void {
   handle<RollbackParams, DeployResult>("rollback", async (_params) => {
     // This would read the version file and redeploy
     // Simplified implementation - would need full implementation
-    throw new Error("Rollback not yet implemented");
+    throw new Error(getErrorMessage("rollbackNotImplemented"));
+  });
+}
+
+// ==================== Locale IPC Handlers ====================
+
+/**
+ * Get the current locale
+ */
+function registerGetLocale(): void {
+  handle<void, LocaleCode>("getLocale", async () => {
+    return getLocale();
+  });
+}
+
+/**
+ * Set the locale
+ */
+function registerSetLocale(): void {
+  handle<SetLocaleParams, void>("setLocale", async (params) => {
+    setLocale(params.locale);
   });
 }
 
@@ -541,6 +569,10 @@ export function registerIpcHandlers(): void {
   registerDeleteVersion();
   registerRollback();
 
+  // Locale
+  registerGetLocale();
+  registerSetLocale();
+
   console.log("IPC handlers registered");
 }