34 lines
999 B
Dart
34 lines
999 B
Dart
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:lemmy_api_client/v2.dart';
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import '../hooks/delayed_loading.dart';
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/// Executes an API action that uses [DelayedLoading], has a try-catch
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/// that displays a [SnackBar] on the Scaffold.of(context) when the action fails
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Future<void> delayedAction<T>({
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@required BuildContext context,
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@required DelayedLoading delayedLoading,
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@required String instanceHost,
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@required LemmyApiQuery<T> query,
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Function(T) onSuccess,
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Function(T) cleanup,
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}) async {
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assert(delayedLoading != null);
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assert(instanceHost != null);
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assert(query != null);
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assert(context != null);
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T val;
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try {
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delayedLoading.start();
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val = await LemmyApiV2(instanceHost).run<T>(query);
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onSuccess?.call(val);
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// ignore: avoid_catches_without_on_clauses
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} catch (e) {
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Scaffold.of(context).showSnackBar(SnackBar(content: Text(e.toString())));
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}
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cleanup?.call(val);
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delayedLoading.cancel();
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}
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