saf + sqlite

2026-09-09 22:31:20 +02:00
parent b671a222a5
commit d839bbdf70
12 changed files with 351 additions and 83 deletions
@@ -0,0 +1,209 @@
+import * as SQLite from 'expo-sqlite';
+import type { SQLiteDatabase } from 'expo-sqlite';
+import type { FileEntry, Folder } from './safDirectory.types';
+import type { UserPreferences,SyncStatus,FolderContext, FolderRow,StoredFile, FileRow } from './sqliteStorage.types';
+
+const DATABASE_NAME = 'dot.db';
+const DATABASE_VERSION = 1;
+
+const PREFERENCES_KEY = 'user_preferences';
+
+let database: SQLiteDatabase | null = null;
+
+const DEFAULT_PREFERENCES: UserPreferences = {
+  syncMode: 'full',
+};
+
+export async function getDatabase(): Promise<SQLiteDatabase> {
+  if (database) return database;
+
+  const db = await SQLite.openDatabaseAsync(DATABASE_NAME);
+  await migrateIfNeeded(db);
+  database = db;
+  return db;
+}
+
+async function migrateIfNeeded(db: SQLiteDatabase): Promise<void> {
+  const row = await db.getFirstAsync<{ user_version: number }>('PRAGMA user_version');
+  const currentVersion = row?.user_version ?? 0;
+  if (currentVersion >= DATABASE_VERSION) return;
+
+  if (currentVersion === 0) {
+    await db.execAsync(`
+PRAGMA journal_mode = 'wal';
+PRAGMA foreign_keys = ON;
+CREATE TABLE IF NOT EXISTS folders (
+  id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+  uri TEXT NOT NULL UNIQUE,
+  name TEXT NOT NULL,
+  "exists" INTEGER,
+  sync_status TEXT NOT NULL DEFAULT 'local',
+  added_at INTEGER NOT NULL,
+  parent_uri TEXT
+);
+CREATE TABLE IF NOT EXISTS files (
+  id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+  uri TEXT NOT NULL UNIQUE,
+  name TEXT NOT NULL,
+  folder_uri TEXT NOT NULL,
+  extension TEXT,
+  size INTEGER,
+  "type" TEXT,
+  "exists" INTEGER,
+  last_modified INTEGER,
+  sync_status TEXT NOT NULL DEFAULT 'local',
+  added_at INTEGER NOT NULL,
+  FOREIGN KEY (folder_uri) REFERENCES folders(uri) ON DELETE CASCADE
+);
+CREATE TABLE IF NOT EXISTS user_preferences (
+  "key" TEXT PRIMARY KEY NOT NULL,
+  "value" TEXT NOT NULL,
+  updated_at INTEGER NOT NULL
+);
+`);
+  }
+
+  await db.execAsync(`PRAGMA user_version = ${DATABASE_VERSION}`);
+}
+
+export async function saveFolder(
+  folder: Folder,
+  options?: { parentUri?: string; syncStatus?: SyncStatus },
+): 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 * 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 * 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);
+}
+
+export async function saveFile(file: FileEntry, folderUri: string): Promise<void> {
+  const db = await getDatabase();
+  const exists = file.exists ? 1 : 0;
+
+  await db.runAsync(
+    `INSERT INTO files (uri, name, folder_uri, extension, size, "type", "exists", last_modified, added_at)
+     VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
+     ON CONFLICT(uri) DO UPDATE SET
+       name = excluded.name, folder_uri = excluded.folder_uri, extension = excluded.extension,
+       size = excluded.size, "type" = excluded."type", "exists" = excluded."exists",
+       last_modified = excluded.last_modified`,
+    file.uri,
+    file.name,
+    folderUri,
+    file.extension ?? null,
+    file.size,
+    file.type ?? null,
+    exists,
+    file.lastModified,
+    Date.now(),
+  );
+}
+
+export async function getFiles(folderUri?: string): Promise<StoredFile[]> {
+  const db = await getDatabase();
+  const rows = folderUri
+    ? await db.getAllAsync<FileRow>(
+        'SELECT * FROM files WHERE folder_uri = ? ORDER BY name ASC',
+        folderUri,
+      )
+    : await db.getAllAsync<FileRow>('SELECT * FROM files ORDER BY name ASC');
+  return rows.map(toStoredFile);
+}
+
+export async function removeFile(uri: string): Promise<void> {
+  const db = await getDatabase();
+  await db.runAsync('DELETE FROM files WHERE uri = ?', uri);
+}
+
+export async function saveUserPreferences(preferences: UserPreferences): Promise<void> {
+  const db = await getDatabase();
+  await db.runAsync(
+    `INSERT INTO user_preferences ("key", "value", updated_at) VALUES (?, ?, ?)
+     ON CONFLICT("key") DO UPDATE SET "value" = excluded."value", updated_at = excluded.updated_at`,
+    PREFERENCES_KEY,
+    JSON.stringify(preferences),
+    Date.now(),
+  );
+}
+
+export async function getUserPreferences(): Promise<UserPreferences> {
+  const db = await getDatabase();
+  const row = await db.getFirstAsync<{ value: string }>(
+    'SELECT "value" FROM user_preferences WHERE "key" = ?',
+    PREFERENCES_KEY,
+  );
+  if (!row) return DEFAULT_PREFERENCES;
+
+  try {
+    return { ...DEFAULT_PREFERENCES, ...JSON.parse(row.value) } satisfies UserPreferences;
+  } catch {
+    return DEFAULT_PREFERENCES;
+  }
+}
+
+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,
+    },
+  };
+}
+
+function toStoredFile(row: FileRow): StoredFile {
+  return {
+    uri: row.uri,
+    name: row.name,
+    isDirectory: false,
+    extension: row.extension ?? '',
+    exists: row.exists === 1,
+    size: row.size,
+    type: row.type ?? '',
+    lastModified: row.last_modified,
+    folderUri: row.folder_uri,
+    syncStatus: row.sync_status,
+    addedAt: row.added_at,
+  };
+}