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frontend_flutter
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Code Issues 14 Pull Requests 4 Releases Activity

offload init to fetch

pull/35/head
UnicodingUnicorn 2019-03-15 20:07:10 +08:00
parent 8eacad4dfc
commit 53553d2d32
1 changed files with 5 additions and 0 deletions
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5
lib/src/services/cache_http.dart
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@ -6,6 +6,7 @@ import 'package:sqflite/sqflite.dart';
class CacheHttp {
Database db;
bool hasInit = false;
// Call this immediately after instantiating new CacheManager
Future<void> init() async {
@ -22,6 +23,10 @@ class CacheHttp {
// Returns raw response body
Future<String> fetch(String url, {bool update=false}) async {
if(!this.hasInit) {
this.hasInit = true;
await this.init();
}
final response = await http.get(url);
if (response.statusCode < 200 || response.statusCode >= 300) { // Unsuccessful response, use cache
List<Map> cached = await this.db.rawQuery("SELECT resource FROM cache WHERE url = ?", [ url ]);