47 lines
1.4 KiB
Dart
47 lines
1.4 KiB
Dart
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import 'dart:async';
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import 'dart:convert';
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import 'package:angel_framework/angel_framework.dart';
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import 'package:resp_client/resp_commands.dart';
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class RedisService extends Service<String, Map<String, dynamic>> {
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final RespCommands respCommands;
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/// An optional string prefixed to keys before they are inserted into Redis.
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///
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/// Consider using this if you are using several different Redis collections
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/// within a single application.
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final String prefix;
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RedisService(this.respCommands, {this.prefix});
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String _applyPrefix(String id) => prefix == null ? id : '$prefix:$id';
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@override
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Future<Map<String, dynamic>> read(String id,
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[Map<String, dynamic> params]) async {
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var value = await respCommands.get(_applyPrefix(id));
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if (value == null) {
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throw new AngelHttpException.notFound(
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message: 'No record found for ID $id');
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} else {
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return json.decode(value);
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}
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}
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@override
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Future<Map<String, dynamic>> update(String id, Map<String, dynamic> data,
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[Map<String, dynamic> params]) async {
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data = new Map<String, dynamic>.from(data)..['id'] = id;
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await respCommands.set(_applyPrefix(id), json.encode(data));
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return data;
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}
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@override
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Future<Map<String, dynamic>> remove(String id,
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[Map<String, dynamic> params]) async {
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var client = respCommands.client;
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throw await client.writeArrayOfBulk(['MULTI']);
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}
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}
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