mirror of https://github.com/ErsatzTV/ErsatzTV.git
Jason Dove
3 months ago
committed by
GitHub
12 changed files with 235 additions and 2 deletions
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namespace ErsatzTV.Application.Channels; |
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public class ChannelSortViewModel |
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{ |
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public int Id { get; set; } |
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public string Number { get; set; } |
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public string Name { get; set; } |
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public string OriginalNumber { get; set; } |
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public bool HasChanged => OriginalNumber != Number; |
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} |
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using ErsatzTV.Core; |
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namespace ErsatzTV.Application.Channels; |
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public record UpdateChannelNumbers(List<ChannelSortViewModel> Channels) : IRequest<Option<BaseError>>; |
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using System.Threading.Channels; |
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using ErsatzTV.Core; |
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using ErsatzTV.Infrastructure.Data; |
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using Microsoft.EntityFrameworkCore; |
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using Channel = ErsatzTV.Core.Domain.Channel; |
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namespace ErsatzTV.Application.Channels; |
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public class UpdateChannelNumbersHandler( |
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IDbContextFactory<TvContext> dbContextFactory, |
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ChannelWriter<IBackgroundServiceRequest> workerChannel) |
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: IRequestHandler<UpdateChannelNumbers, Option<BaseError>> |
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{ |
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public async Task<Option<BaseError>> Handle(UpdateChannelNumbers request, CancellationToken cancellationToken) |
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{ |
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await using TvContext dbContext = await dbContextFactory.CreateDbContextAsync(cancellationToken); |
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await using var transaction = await dbContext.Database.BeginTransactionAsync(cancellationToken); |
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try |
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{ |
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var numberUpdates = request.Channels.ToDictionary(c => c.Id, c => c.Number); |
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var channelIds = numberUpdates.Keys; |
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List<Channel> channelsToUpdate = await dbContext.Channels |
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.Where(c => channelIds.Contains(c.Id)) |
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.ToListAsync(cancellationToken); |
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// give every channel a non-conflicting number
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foreach (var channel in channelsToUpdate) |
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{ |
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channel.Number = $"-{channel.Id}"; |
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} |
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// save those changes
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await dbContext.SaveChangesAsync(cancellationToken); |
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// give every channel the proper new number
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foreach (var channel in channelsToUpdate) |
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{ |
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channel.Number = numberUpdates[channel.Id]; |
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} |
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// save those changes
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await dbContext.SaveChangesAsync(cancellationToken); |
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// commit the transaction
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await transaction.CommitAsync(cancellationToken); |
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// update channel list and xmltv
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await workerChannel.WriteAsync(new RefreshChannelList(), cancellationToken); |
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foreach (var channel in channelsToUpdate) |
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{ |
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await workerChannel.WriteAsync(new RefreshChannelData(channel.Number), cancellationToken); |
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} |
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return Option<BaseError>.None; |
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} |
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catch (Exception ex) |
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{ |
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return BaseError.New("Failed to update channel numbers: " + ex.Message); |
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} |
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} |
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} |
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@ -0,0 +1,3 @@
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namespace ErsatzTV.Application.Channels; |
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public record GetAllChannelsForSort : IRequest<List<ChannelSortViewModel>>; |
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@ -0,0 +1,31 @@
@@ -0,0 +1,31 @@
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using System.Globalization; |
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using ErsatzTV.Core.Domain; |
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using ErsatzTV.Infrastructure.Data; |
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using Microsoft.EntityFrameworkCore; |
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namespace ErsatzTV.Application.Channels; |
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public class GetAllChannelsForSortHandler(IDbContextFactory<TvContext> dbContextFactory) |
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: IRequestHandler<GetAllChannelsForSort, List<ChannelSortViewModel>> |
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{ |
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public async Task<List<ChannelSortViewModel>> Handle( |
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GetAllChannelsForSort request, |
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CancellationToken cancellationToken) |
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{ |
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await using TvContext dbContext = await dbContextFactory.CreateDbContextAsync(cancellationToken); |
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return await dbContext.Channels |
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.AsNoTracking() |
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.ToListAsync(cancellationToken) |
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.Map(list => list.Map(ProjectToSortViewModel) |
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.OrderBy(c => decimal.Parse(c.Number, CultureInfo.InvariantCulture)).ToList()); |
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} |
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private static ChannelSortViewModel ProjectToSortViewModel(Channel channel) |
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=> new() |
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{ |
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Id = channel.Id, |
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Number = channel.Number, |
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Name = channel.Name, |
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OriginalNumber = channel.Number |
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}; |
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} |
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@ -0,0 +1,109 @@
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@page "/channels/numbers" |
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@using ErsatzTV.Application.Channels |
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@implements IDisposable |
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@inject IMediator Mediator |
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@inject NavigationManager NavigationManager |
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@inject ISnackbar Snackbar |
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@inject ILogger<ChannelNumbers> Logger |
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<MudForm Style="max-height: 100%"> |
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<MudPaper Square="true" Style="display: flex; height: 64px; min-height: 64px; width: 100%; z-index: 100; align-items: center"> |
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<div style="display: flex; flex-direction: row; margin-bottom: auto; margin-top: auto; width: 100%; align-items: center" class="ml-6 mr-6"> |
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<div class="d-none d-md-flex"> |
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<MudButton Variant="Variant.Filled" Color="Color.Primary" StartIcon="@Icons.Material.Filled.Save" OnClick="@SaveChannels"> |
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Save Channels |
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</MudButton> |
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<MudButton Variant="Variant.Filled" Color="Color.Error" Class="ml-3" StartIcon="@Icons.Material.Filled.Undo" OnClick="@ReloadAllChannels"> |
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Reset Channels |
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</MudButton> |
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</div> |
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<div style="align-items: center; display: flex; margin-left: auto;" class="d-md-none"> |
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<div class="flex-grow-1"></div> |
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<MudMenu Icon="@Icons.Material.Filled.MoreVert"> |
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<MudMenuItem Icon="@Icons.Material.Filled.Save" Label="Save Channels" OnClick="@SaveChannels"/> |
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<MudMenuItem Icon="@Icons.Material.Filled.Undo" Label="Reset Channels" OnClick="@ReloadAllChannels"/> |
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</MudMenu> |
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</div> |
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</div> |
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</MudPaper> |
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<div class="d-flex flex-column" style="height: 100vh; overflow-x: auto"> |
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<MudContainer MaxWidth="MaxWidth.ExtraLarge" Class="pt-8"> |
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<MudText Typo="Typo.h5" Class="mb-2">Edit Channel Numbers</MudText> |
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<MudDivider Class="mb-6"/> |
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<Sortable TItem="ChannelSortViewModel" Items="_channels" OnUpdate="OnUpdate"> |
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<MudPaper Class="@($"pa-2 ma-2 ")" |
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Style="@($"max-width: 500px; {(context.HasChanged ? "background-color: var(--mud-palette-dark-lighten)" : "")}")"> |
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<div class="d-flex align-center"> |
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<MudText Style="min-width: 6ch">@context.Number</MudText> |
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<MudText Class="flex-grow-1"> |
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@context.Name |
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</MudText> |
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<MudText Style="@(context.HasChanged ? "" : "visibility: hidden;")"> |
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(@context.OriginalNumber) |
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</MudText> |
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</div> |
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</MudPaper> |
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</Sortable> |
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</MudContainer> |
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</div> |
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</MudForm> |
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@code { |
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private CancellationTokenSource _cts; |
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private List<ChannelSortViewModel> _channels = []; |
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private List<string> _channelNumbers = []; |
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public void Dispose() |
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{ |
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_cts?.Cancel(); |
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_cts?.Dispose(); |
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} |
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protected override async Task OnParametersSetAsync() |
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{ |
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await ReloadAllChannels(); |
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} |
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private async Task ReloadAllChannels() |
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{ |
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_cts?.Cancel(); |
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_cts?.Dispose(); |
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_cts = new CancellationTokenSource(); |
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var token = _cts.Token; |
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try |
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{ |
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_channels = await Mediator.Send(new GetAllChannelsForSort(), token); |
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_channelNumbers = _channels.Map(c => c.Number).ToList(); |
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} |
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catch (OperationCanceledException) |
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{ |
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// do nothing |
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} |
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} |
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private async Task SaveChannels() |
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{ |
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var changedChannels = _channels.Where(c => c.HasChanged).ToList(); |
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Option<BaseError> maybeError = await Mediator.Send(new UpdateChannelNumbers(changedChannels), _cts.Token); |
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maybeError.Match( |
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error => |
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{ |
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Snackbar.Add(error.Value, Severity.Error); |
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Logger.LogError("Unexpected error saving channel numbers: {Error}", error.Value); |
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}, |
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() => NavigationManager.NavigateTo("channels")); |
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} |
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private void OnUpdate(SortableEventArgs<ChannelSortViewModel> obj) |
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{ |
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for (var i = 0; i < _channels.Count; i++) |
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{ |
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_channels[i].Number = _channelNumbers[i]; |
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} |
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StateHasChanged(); |
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} |
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} |
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