async Task <bool> GetData(string id) { HttpClient httpclient = clientFactory.CreateClient(); ProblemsClient client = new ProblemsClient(httpclient); try { ProblemMetadata metadata = await client.GetAsync(id); Problem = await ProblemModel.GetAsync(metadata, httpclient, false, true); } catch { return(false); } TestCasePreviewModel emptyTestCase = new TestCasePreviewModel { Metadata = new TestCaseMetadata { Id = "empty", TimeLimit = TimeSpan.FromSeconds(1), MemoryLimit = 128 * MemoryValueHelper.MB, }, IsNew = true, }; { List <TestCasePreviewModel> ls = new List <TestCasePreviewModel>(); foreach (TestCaseMetadata item in Problem.Samples) { ls.Add(new TestCasePreviewModel { Metadata = item, Input = await client.GetSampleInputPreviewAsync(Problem.Metadata.Id, item.Id, MaxPreviewBytes), Output = await client.GetSampleOutputPreviewAsync(Problem.Metadata.Id, item.Id, MaxPreviewBytes), IsNew = false, }); } ls.Add(emptyTestCase); SamplePreview = ls; } { List <TestCasePreviewModel> ls = new List <TestCasePreviewModel>(); foreach (TestCaseMetadata item in Problem.Tests) { ls.Add(new TestCasePreviewModel { Metadata = item, Input = await client.GetTestInputPreviewAsync(Problem.Metadata.Id, item.Id, MaxPreviewBytes), Output = await client.GetTestOutputPreviewAsync(Problem.Metadata.Id, item.Id, MaxPreviewBytes), }); } ls.Add(emptyTestCase); TestPreview = ls; } return(true); }