1 files changed, 71 insertions, 0 deletions

diff --git a/packages/preload/src/contextBridge/TranslationsConnector.ts b/packages/preload/src/contextBridge/TranslationsConnector.ts
new file mode 100644
index 0000000..284b793
--- /dev/null
+++ b/packages/preload/src/contextBridge/TranslationsConnector.ts
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C)  2022 Kristóf Marussy <kristof@marussy.com>
+ *
+ * This file is part of Sophie.
+ *
+ * Sophie is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import {
+  MainToRendererIpcMessage,
+  RendererToMainIpcMessage,
+  Translation,
+} from '@sophie/shared';
+import { ipcRenderer } from 'electron';
+import type { ResourceKey } from 'i18next';
+import log from 'loglevel';
+
+export default class TranslationsConnector {
+  private listener: (() => void) | undefined;
+
+  constructor(private readonly devMode: boolean) {
+    ipcRenderer.on(MainToRendererIpcMessage.ReloadTranslations, () => {
+      try {
+        this.listener?.();
+      } catch (error) {
+        log.error('Translations listener onReloadTranslations failed', error);
+        this.listener = undefined;
+      }
+    });
+  }
+
+  onReloadTranslations(listener: () => void): void {
+    if (!this.devMode) {
+      throw new Error(
+        'Translation reloading is only supported in development mode',
+      );
+    }
+    this.listener = listener;
+  }
+}
+
+export async function getTranslation(
+  translation: Translation,
+): Promise<ResourceKey> {
+  const parsedTranslation = Translation.parse(translation);
+  try {
+    // We don't have any way to validate translations,
+    // but they are coming from a trusted source and will be validated
+    // in the renderer anyways, so we should be fine.
+    return (await ipcRenderer.invoke(
+      RendererToMainIpcMessage.GetTranslation,
+      parsedTranslation,
+    )) as ResourceKey;
+  } catch (error) {
+    const message = 'Failed to get translation';
+    log.error(message, translation, error);
+    throw new Error(message);
+  }
+}