add sqlite

mobile/services/db/repositories/folders.ts

@@ -0,0 +1,69 @@
+import { getDatabase } from '../client';
+import { FOLDER_COLUMNS_SQL } from '../schema';
+import type { Folder, FolderContext, FolderRow, SyncStatus } from '../types';
+
+type SaveFolderOptions = {
+  parentUri?: string;
+  syncStatus?: SyncStatus;
+};
+
+export async function saveFolder(
+  folder: Folder,
+  options?: SaveFolderOptions,
+): Promise<void> {
+  const db = await getDatabase();
+  const exists = folder.exists === undefined ? null : folder.exists ? 1 : 0;
+
+  await db.runAsync(
+    `INSERT INTO folders (uri, name, "exists", sync_status, added_at, parent_uri)
+     VALUES (?, ?, ?, ?, ?, ?)
+     ON CONFLICT(uri) DO UPDATE SET
+       name = excluded.name, "exists" = excluded."exists", sync_status = excluded.sync_status`,
+    folder.uri,
+    folder.name,
+    exists,
+    options?.syncStatus ?? 'local',
+    Date.now(),
+    options?.parentUri ?? null,
+  );
+}
+
+export async function saveDirectory(folder: Folder): Promise<boolean> {
+  await saveFolder(folder);
+  return true;
+}
+
+export async function getFolders(): Promise<FolderContext[]> {
+  const db = await getDatabase();
+  const rows = await db.getAllAsync<FolderRow>(
+    `SELECT ${FOLDER_COLUMNS_SQL} FROM folders ORDER BY added_at ASC, name ASC`,
+  );
+  return rows.map(toFolderContext);
+}
+
+export async function getFolderFolders(parentUri: string): Promise<FolderContext[]> {
+  const db = await getDatabase();
+  const rows = await db.getAllAsync<FolderRow>(
+    `SELECT ${FOLDER_COLUMNS_SQL} FROM folders WHERE parent_uri = ? ORDER BY name ASC`,
+    parentUri,
+  );
+  return rows.map(toFolderContext);
+}
+
+export async function removeFolder(uri: string): Promise<void> {
+  const db = await getDatabase();
+  await db.runAsync('DELETE FROM folders WHERE uri = ?', uri);
+}
+
+function toFolderContext(row: FolderRow): FolderContext {
+  return {
+    syncStatus: row.sync_status,
+    addedAt: row.added_at,
+    folder: {
+      uri: row.uri,
+      name: row.name,
+      isDirectory: true,
+      exists: row.exists === null ? undefined : row.exists === 1,
+    },
+  };
+}