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add type cast helpers

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This commit is contained in:
fuwa
2019-07-24 23:59:10 +08:00
parent 0afba79021
commit 08fe7edbfb
2 changed files with 17 additions and 9 deletions
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cyberwow/lib/controller/rpc/rpc.dart
+8 -9
View File
@@ -81,13 +81,14 @@ Future<String> rpcString(String method, {String field}) async {
Future<http.Response> syncInfo() => rpc('sync_info');
Future<String> syncInfoString() => rpcString('sync_info');
Future<int> targetHeight() => rpc('sync_info', field: 'target_height').then((x) => x as int);
Future<int> height() => rpc('sync_info', field: 'height').then((x) => x as int);
Future<int> targetHeight() => rpc('sync_info', field: 'target_height').then(asInt);
Future<int> height() => rpc('sync_info', field: 'height').then(asInt);
Future<http.Response> getInfo() => rpc('get_info');
Future<Map<String, dynamic>> getInfoSimple() async {
final Map<String, dynamic> _getInfo = await rpc('get_info');
final _getInfo = await rpc('get_info').then(asMap);
return _getInfo.map
(
(k, v) {
@@ -102,17 +103,15 @@ Future<Map<String, dynamic>> getInfoSimple() async {
Future<String> getInfoString() => rpcString('get_info');
Future<bool> offline() => rpc('get_info', field: 'offline').then((x) => x as bool);
Future<bool> offline() => rpc('get_info', field: 'offline').then(asBool);
Future<int> outgoingConnectionsCount() =>
rpc('get_info', field: 'outgoing_connections_count')
.then((x) => x as int);
rpc('get_info', field: 'outgoing_connections_count').then(asInt);
Future<int> incomingConnectionsCount() =>
rpc('get_info', field: 'incoming_connections_count')
.then((x) => x as int);
rpc('get_info', field: 'incoming_connections_count').then(asInt);
Future<List<dynamic>> getConnectionsSimple() async {
final List<dynamic> _connections = await rpc('get_connections', field: 'connections');
final _connections = await rpc('get_connections', field: 'connections').then(asList);
return _connections.map
(
cyberwow/lib/helper.dart
+9
View File
@@ -25,3 +25,12 @@ String pretty(dynamic x) {
final JsonEncoder encoder = new JsonEncoder.withIndent(' ');
return encoder.convert(x);
}
int asInt(dynamic x) => x == null ? 0 : x;
bool asBool(dynamic x) => x == null ? false : x;
List<dynamic> asList(dynamic x) => x == null ? [] : x;
Map<String, dynamic> asMap(dynamic x) => x == null ? {} : x;