96 lines
2.3 KiB
Plaintext
96 lines
2.3 KiB
Plaintext
@using System.Threading;
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@inject IServersEFCoreRepository ServersEFCoreRepository
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<table class="table table-striped">
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<RepeaterComponent Items="this.servers">
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<Header>
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<thead>
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<tr>
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<th>Name</th>
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<th>City</th>
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<th>Status</th>
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<th>People online</th>
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<th></th>
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<th></th>
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</tr>
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</thead>
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</Header>
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<Row Context="server">
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<ServerComponent server="server"></ServerComponent>
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</Row>
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<Footer>
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</Footer>
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</RepeaterComponent>
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</table>
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<button type="button" class="btn btn-primary" onclick=@(() => {base.InvokeAsync(StateHasChanged);})"">Refresh</button>
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@code {
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private List<Server>? servers;
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private Timer? Timer;
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[Parameter]
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public string? CityName { get; set; }
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[Parameter]
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public string SearchFilter { get; set; } = "";
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public override Task SetParametersAsync(ParameterView parameters)
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{
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// Only trigger OnParametersSet if the parameter matches and has actually changed.
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// This saves expensive calls to the data repository.
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if (parameters.TryGetValue<string>("CityName", out var cityName))
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{
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if (cityName != CityName)
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{
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base.SetParametersAsync(parameters);
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}
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}
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if (parameters.TryGetValue<string>("SearchFilter", out var searchFilter))
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{
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if (searchFilter != SearchFilter)
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{
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base.SetParametersAsync(parameters);
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}
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}
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return Task.CompletedTask;
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}
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protected override void OnParametersSet()
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{
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if (string.IsNullOrWhiteSpace(this.SearchFilter))
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{
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servers = ServersEFCoreRepository.GetServersByCity(CityName ?? "Eindhoven");
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}
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else
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{
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servers = ServersEFCoreRepository.SearchServers(SearchFilter);
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}
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}
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protected override void OnAfterRender(bool firstRender)
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{
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base.OnAfterRender(firstRender);
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if (firstRender)
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{
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if (string.IsNullOrWhiteSpace(this.SearchFilter))
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{
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servers = ServersEFCoreRepository.GetServersByCity(CityName ?? "Eindhoven");
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}
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else
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{
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servers = ServersEFCoreRepository.SearchServers(SearchFilter);
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}
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// Render the component again by letting it know the state changed.
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StateHasChanged();
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Timer = new Timer(_ => {
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base.InvokeAsync(StateHasChanged);
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}, null, 4000, 4000);
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}
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}
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} |