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Add missing db functions for web

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Ming Ming 2022-09-01 18:38:01 +08:00
parent d01fd33f62
commit 41d60c6051
1 changed files with 35 additions and 0 deletions
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35
app/lib/web/db_util.dart
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@ -1,6 +1,9 @@
import 'package:drift/drift.dart';
import 'package:drift/wasm.dart';
import 'package:flutter/services.dart' show rootBundle;
import 'package:http/http.dart' as http;
import 'package:nc_photos/debug_util.dart';
import 'package:nc_photos/entity/sqlite_table.dart' as sql;
import 'package:sqlite3/wasm.dart';
Future<Map<String, dynamic>> getSqliteConnectionArgs() async => {};
@ -24,6 +27,7 @@ QueryExecutor openSqliteConnection() {
return WasmDatabase(
sqlite3: sqlite3,
path: "/drift/nc-photos/app.db",
fileSystem: fs,
// logStatements: true,
);
});
@ -32,3 +36,34 @@ QueryExecutor openSqliteConnection() {
Future<void> applyWorkaroundToOpenSqlite3OnOldAndroidVersions() async {
// not supported on web
}
Future<CommonDatabase> openRawSqliteDbFromAsset(
String assetRelativePath,
String outputFilename, {
bool isReadOnly = false,
}) async {
final response = await http.get(Uri.parse("sqlite3.wasm"));
final fs = await IndexedDbFileSystem.open(dbName: "nc-photos");
final sqlite3 = await WasmSqlite3.load(
response.bodyBytes,
SqliteEnvironment(fileSystem: fs),
);
if (!fs.exists("/app-file/$outputFilename")) {
// copy file from assets
final blob = await rootBundle.load("assets/$assetRelativePath");
final buffer = blob.buffer;
fs.createFile("/app-file/$outputFilename");
fs.write(
"/app-file/$outputFilename",
buffer.asUint8List(blob.offsetInBytes, blob.lengthInBytes),
0,
);
await fs.flush();
}
return sqlite3.open("/app-file/$outputFilename");
}
Future<dynamic> exportSqliteDb(sql.SqliteDb db) async {
throw UnimplementedError();
}