mirror of
https://gitlab.com/nkming2/nc-photos.git
synced 2025-03-22 23:19:21 +01:00
29 lines
1.2 KiB
Dart
29 lines
1.2 KiB
Dart
import 'package:flutter/services.dart' show rootBundle;
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import 'package:http/http.dart' as http;
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import 'package:sqlite3/wasm.dart';
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// Web is no longer supported. The code here has been updated to make it build
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// with the latest sqlite3 package, but they are untested
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Future<CommonDatabase> openRawSqliteDbFromAsset(
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String assetRelativePath,
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String outputFilename, {
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bool isReadOnly = false,
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}) async {
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final response = await http.get(Uri.parse("sqlite3.wasm"));
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final sqlite3 = await WasmSqlite3.load(response.bodyBytes);
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final fs = await IndexedDbFileSystem.open(dbName: "nc-photos");
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sqlite3.registerVirtualFileSystem(fs, makeDefault: true);
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if (fs.xAccess("/app-file/$outputFilename", SqlFlag.SQLITE_OPEN_READONLY) ==
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0) {
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// copy file from assets
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final blob = await rootBundle.load("assets/$assetRelativePath");
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final buffer = blob.buffer;
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final f = fs.xOpen(Sqlite3Filename("/app-file/$outputFilename"),
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SqlFlag.SQLITE_OPEN_CREATE | SqlFlag.SQLITE_OPEN_READWRITE);
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f.file
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.xWrite(buffer.asUint8List(blob.offsetInBytes, blob.lengthInBytes), 0);
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await fs.flush();
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}
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return sqlite3.open("/app-file/$outputFilename");
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}
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