mirror of
https://github.com/immich-app/immich.git
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0048662182
replace usage of AssetResponseDto with Asset Add new class ExifInfo to store data from ExifResponseDto
65 lines
1.4 KiB
Dart
65 lines
1.4 KiB
Dart
import 'dart:convert';
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import 'dart:io';
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import 'package:flutter/foundation.dart';
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import 'package:path_provider/path_provider.dart';
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abstract class JsonCache<T> {
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final String cacheFileName;
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JsonCache(this.cacheFileName);
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Future<File> _getCacheFile() async {
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final basePath = await getTemporaryDirectory();
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final basePathName = basePath.path;
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final file = File("$basePathName/$cacheFileName.bin");
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return file;
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}
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Future<bool> isValid() async {
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final file = await _getCacheFile();
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return await file.exists();
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}
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Future<void> invalidate() async {
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try {
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final file = await _getCacheFile();
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await file.delete();
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} on FileSystemException {
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// file is already deleted
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}
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}
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static Future<String> _computeEncodeJson(dynamic toEncode) async {
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return json.encode(toEncode);
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}
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Future<void> putRawData(dynamic data) async {
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final jsonString = await compute(_computeEncodeJson, data);
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final file = await _getCacheFile();
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if (!await file.exists()) {
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await file.create();
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}
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await file.writeAsString(jsonString);
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}
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static Future<dynamic> _computeDecodeJson(String jsonString) async {
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return json.decode(jsonString);
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}
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Future<dynamic> readRawData() async {
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final file = await _getCacheFile();
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final data = await file.readAsString();
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return await compute(_computeDecodeJson, data);
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}
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void put(T data);
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Future<T?> get();
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}
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