1 files changed, 93 insertions, 0 deletions

diff --git a/packages/main/src/i18n/impl/LocaltizationFiles.ts b/packages/main/src/i18n/impl/LocaltizationFiles.ts
new file mode 100644
index 0000000..74e3ae3
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+++ b/packages/main/src/i18n/impl/LocaltizationFiles.ts
@@ -0,0 +1,93 @@
+/*
+ * 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 { readFile, writeFile } from 'node:fs/promises';
+
+import type { ResourceKey } from 'i18next';
+
+import type Resources from '../../infrastructure/resources/Resources.js';
+import getLogger from '../../utils/getLogger.js';
+import isErrno from '../../utils/isErrno.js';
+import type LocatlizationRepository from '../LocalizationRepository.js';
+
+const log = getLogger('LocalizationFiles');
+
+export default class LocalizationFiles implements LocatlizationRepository {
+  constructor(private readonly resources: Resources) {}
+
+  async getResourceContents(
+    language: string,
+    namespace: string,
+  ): Promise<ResourceKey> {
+    const fileName = this.resources.getLocalizationPath(
+      language,
+      `${namespace}.json`,
+    );
+    const contents = await readFile(fileName, 'utf8');
+    log.info('Read localization file', fileName);
+    // The contents of the file should come from a signed archive during production,
+    // so we don't need to (and can't) validate them.
+    return JSON.parse(contents) as ResourceKey;
+  }
+
+  private getMissingLocalizationPath(
+    language: string,
+    namespace: string,
+  ): string {
+    return this.resources.getLocalizationPath(
+      language,
+      `${namespace}.missing.json`,
+    );
+  }
+
+  async getMissingResourceContents(
+    language: string,
+    namespace: string,
+  ): Promise<ResourceKey> {
+    const fileName = this.getMissingLocalizationPath(language, namespace);
+    try {
+      const contents = await readFile(fileName, 'utf8');
+      // The contents of the file are only used during development,
+      // so we don't need to (and can't) validate them.
+      return JSON.parse(contents) as ResourceKey;
+    } catch (error) {
+      if (isErrno(error, 'ENOENT')) {
+        log.debug(
+          'No missing translations file',
+          language,
+          'for namespace',
+          namespace,
+        );
+        return {};
+      }
+      throw error;
+    }
+  }
+
+  setMissingResourceContents(
+    language: string,
+    namespace: string,
+    data: ResourceKey,
+  ): Promise<void> {
+    const fileName = this.getMissingLocalizationPath(language, namespace);
+    const contents = JSON.stringify(data, undefined, 2);
+    return writeFile(fileName, contents, 'utf8');
+  }
+}