84 lines
2.2 KiB
Plaintext
84 lines
2.2 KiB
Plaintext
@page "/myorders/{orderId:int}"
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@using System.Threading
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@inject HttpClient HttpClient
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@implements IDisposable
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@attribute [Authorize]
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<div class="main">
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@if (invalidOrder)
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{
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<h2>Nope</h2>
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<p>Sorry, this order could not be loaded.</p>
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}
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else if (orderWithStatus == null)
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{
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<text>Loading...</text>
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}
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else
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{
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<div class="track-order">
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<div class="track-order-title">
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<h2>
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Order placed @orderWithStatus.Order.CreatedTime.ToLongDateString()
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</h2>
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<p class="ml-auto mb-0">
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Status: <strong>@orderWithStatus.StatusText</strong>
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</p>
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</div>
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<div class="track-order-body">
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<div class="track-order-details">
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<OrderReview Order="@orderWithStatus.Order" />
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</div>
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<div class="track-order-map">
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<Map Zoom="13" Markers="@orderWithStatus.MapMarkers" />
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</div>
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</div>
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</div>
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}
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</div>
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@functions {
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[Parameter] int OrderId { get; set; }
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OrderWithStatus orderWithStatus;
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bool invalidOrder;
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CancellationTokenSource pollingCancellationToken;
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protected override void OnParametersSet()
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{
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// If we were already polling for a different order, stop doing so
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pollingCancellationToken?.Cancel();
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// Start a new poll loop
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PollForUpdates();
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}
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void IDisposable.Dispose()
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{
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pollingCancellationToken?.Cancel();
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}
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private async void PollForUpdates()
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{
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pollingCancellationToken = new CancellationTokenSource();
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while (!pollingCancellationToken.IsCancellationRequested)
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{
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try
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{
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invalidOrder = false;
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orderWithStatus = await HttpClient.GetJsonAsync<OrderWithStatus>($"orders/{OrderId}");
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}
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catch (Exception ex)
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{
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invalidOrder = true;
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pollingCancellationToken.Cancel();
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Console.Error.WriteLine(ex);
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}
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StateHasChanged();
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await Task.Delay(4000);
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}
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}
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}
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