Refactor ChannelEndpoints and ScheduleGenerator: consolidate endpoint logic into partial files, remove unused methods, and enhance dependency injection for scheduling. Update ChannelDetail component to streamline imports and improve UI structure.
This commit is contained in:
Leonid Pershin
@@ -0,0 +1,343 @@
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using System.Text;
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using System.Text.RegularExpressions;
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using LiteCqrs;
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using TeleWave.Api.Common;
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using TeleWave.Application.Broadcast;
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using TeleWave.Application.Broadcast.Bumpers;
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using TeleWave.Application.Common.Interfaces;
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using TeleWave.Domain.Broadcast;
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using TeleWave.Infrastructure.Media;
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namespace TeleWave.Api.Endpoints;
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/// <summary>Эндпоинты ТВ-заставок канала: блоки (стиль/аудио/фон), подблоки и рендер превью.</summary>
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public static partial class ChannelEndpoints
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{
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private static readonly Regex BumperSegmentFileName = new(
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@"^seg\d{1,6}\.ts$",
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RegexOptions.Compiled
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);
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private static async Task<IResult> AddBumperTemplate(
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Guid id,
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AddBumperTemplateBody body,
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ISender sender,
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CancellationToken cancellationToken
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)
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{
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var result = await sender.Send(
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new AddBumperTemplateCommand(id, body.Name),
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cancellationToken
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);
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return result.IsSuccess
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? Results.Created($"/api/admin/channels/{id}", new CreatedIdResponse(result.Value))
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: result.ToHttpResult();
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}
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private static async Task<IResult> UpdateBumperTemplate(
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Guid id,
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Guid templateId,
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UpdateBumperTemplateBody body,
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ISender sender,
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CancellationToken cancellationToken
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)
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{
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var result = await sender.Send(
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new UpdateBumperTemplateCommand(
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id,
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templateId,
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body.Name,
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body.BackgroundColor,
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body.BackgroundColor2,
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body.AccentColor,
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body.TextColor
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),
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cancellationToken
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);
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return result.ToHttpResult();
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}
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private static async Task<IResult> RemoveBumperTemplate(
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Guid id,
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Guid templateId,
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ISender sender,
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CancellationToken cancellationToken
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)
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{
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var result = await sender.Send(
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new RemoveBumperTemplateCommand(id, templateId),
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cancellationToken
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);
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return result.ToHttpResult();
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}
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private static async Task<IResult> UploadTemplateAudio(
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Guid id,
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Guid templateId,
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string fileName,
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HttpRequest request,
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IBumperTemplateStorage storage,
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IAudioProbe probe,
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ISender sender,
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CancellationToken cancellationToken
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)
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{
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if (ResolveBumperExtension(fileName, request, BumperFiles.AudioExtensions) is not { } ext)
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return ChannelErrors.InvalidBumperFile.ToProblem();
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await storage.SaveAudioAsync(templateId, ext, request.Body, cancellationToken);
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// Длина заставки идёт по длине звука — замеряем ffprobe (при неудаче 0 → дефолтная длина).
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var path = storage.AudioPath(templateId, ext);
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var duration = path is null
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? null
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: await probe.TryGetDurationAsync(path, cancellationToken);
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var result = await sender.Send(
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new SetBumperTemplateAudioCommand(id, templateId, ext, duration?.TotalSeconds ?? 0),
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cancellationToken
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);
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if (!result.IsSuccess)
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storage.DeleteAudio(templateId);
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return result.ToHttpResult();
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}
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private static async Task<IResult> ClearTemplateAudio(
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Guid id,
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Guid templateId,
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ISender sender,
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CancellationToken cancellationToken
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)
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{
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var result = await sender.Send(
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new ClearBumperTemplateAudioCommand(id, templateId),
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cancellationToken
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);
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return result.ToHttpResult();
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}
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private static async Task<IResult> SetTemplateBackground(
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Guid id,
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Guid templateId,
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SetBumperTemplateBackgroundBody body,
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ISender sender,
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CancellationToken cancellationToken
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)
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{
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var result = await sender.Send(
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new SetBumperTemplateBackgroundCommand(id, templateId, body.ImageId),
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cancellationToken
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);
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return result.ToHttpResult();
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}
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private static async Task<IResult> ClearTemplateBackground(
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Guid id,
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Guid templateId,
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ISender sender,
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CancellationToken cancellationToken
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)
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{
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var result = await sender.Send(
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new ClearBumperTemplateBackgroundCommand(id, templateId),
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cancellationToken
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);
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return result.ToHttpResult();
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}
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private static async Task<IResult> AddBumperVariant(
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Guid id,
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Guid templateId,
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AddBumperVariantBody body,
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ISender sender,
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CancellationToken cancellationToken
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)
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{
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var result = await sender.Send(
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new AddBumperTextVariantCommand(id, templateId, body.Name),
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cancellationToken
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);
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return result.IsSuccess
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? Results.Created($"/api/admin/channels/{id}", new CreatedIdResponse(result.Value))
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: result.ToHttpResult();
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}
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private static async Task<IResult> UpdateBumperVariant(
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Guid id,
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Guid templateId,
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Guid variantId,
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UpdateBumperVariantBody body,
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ISender sender,
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CancellationToken cancellationToken
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)
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{
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var result = await sender.Send(
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new UpdateBumperTextVariantCommand(
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id,
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templateId,
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variantId,
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body.Name,
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body.Kind,
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body.NowLabel,
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body.NextLabel,
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body.Line1,
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body.Line2,
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body.Trigger,
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body.Weight
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),
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cancellationToken
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);
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return result.ToHttpResult();
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}
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private static async Task<IResult> RemoveBumperVariant(
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Guid id,
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Guid templateId,
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Guid variantId,
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ISender sender,
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CancellationToken cancellationToken
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)
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{
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var result = await sender.Send(
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new RemoveBumperTextVariantCommand(id, templateId, variantId),
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cancellationToken
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);
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return result.ToHttpResult();
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}
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/// <summary>Синхронно рендерит пример заставки блока (несколько секунд ffmpeg).</summary>
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private static async Task<IResult> RenderPreview(
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Guid id,
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Guid templateId,
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ISender sender,
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CancellationToken cancellationToken
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)
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{
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var result = await sender.Send(
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new RenderBumperPreviewQuery(id, templateId),
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cancellationToken
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);
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return result.IsSuccess ? Results.NoContent() : result.ToHttpResult();
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}
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/// <summary>Плейлист превью подблока: переписываем ffmpeg-index.m3u8, направляя сегменты на admin-роут.</summary>
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private static IResult PreviewPlaylist(
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Guid id,
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Guid templateId,
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Guid variantId,
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MediaPathResolver paths
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)
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{
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var previewId = BumperPreview.AssetId(variantId);
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string indexPath;
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try
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{
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indexPath = paths.SegmentPath(previewId, "index.m3u8");
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}
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catch (UnauthorizedAccessException)
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{
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return Results.NotFound();
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}
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if (!File.Exists(indexPath))
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return Results.NotFound();
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var baseUrl =
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$"/api/admin/channels/{id}/bumper/templates/{templateId}/preview/{variantId}/";
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var sb = new StringBuilder();
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foreach (var line in File.ReadLines(indexPath))
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{
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var trimmed = line.Trim();
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if (trimmed.Length == 0)
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continue;
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// Комментарии/директивы — как есть; строки-сегменты (абсолютный путь от ffmpeg) → admin-URL.
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sb.Append(trimmed.StartsWith('#') ? trimmed : baseUrl + Path.GetFileName(trimmed))
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.Append('\n');
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}
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return Results.Text(sb.ToString(), "application/vnd.apple.mpegurl");
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}
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private static IResult PreviewSegment(
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Guid id,
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Guid templateId,
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Guid variantId,
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string file,
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MediaPathResolver paths
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)
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{
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if (!BumperSegmentFileName.IsMatch(file))
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return Results.NotFound();
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var previewId = BumperPreview.AssetId(variantId);
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string path;
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try
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{
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path = paths.SegmentPath(previewId, file);
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}
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catch (UnauthorizedAccessException)
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{
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return Results.NotFound();
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}
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if (!File.Exists(path))
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return Results.NotFound();
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return Results.File(path, "video/mp2t", enableRangeProcessing: true);
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}
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/// <summary>Проверяет расширение файла (по allowlist) и размер (Content-Length). Возвращает
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/// нормализованное расширение (с точкой, нижний регистр) или null при отказе.</summary>
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private static string? ResolveBumperExtension(
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string fileName,
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HttpRequest request,
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IReadOnlySet<string> allowedExtensions
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)
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{
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if (request.ContentLength is > BumperFiles.MaxBytes or 0 or null)
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return null;
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var ext = Path.GetExtension(fileName).ToLowerInvariant();
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return allowedExtensions.Contains(ext) ? ext : null;
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}
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}
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public sealed record AddBumperTemplateBody(string Name);
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public sealed record UpdateBumperTemplateBody(
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string Name,
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string BackgroundColor,
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string BackgroundColor2,
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string AccentColor,
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string TextColor
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);
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public sealed record SetBumperTemplateBackgroundBody(Guid ImageId);
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public sealed record AddBumperVariantBody(string Name);
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public sealed record UpdateBumperVariantBody(
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string Name,
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BumperTextKind Kind,
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string NowLabel,
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string NextLabel,
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string Line1,
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string Line2,
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BumperTrigger Trigger,
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int Weight
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);
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/// <summary>Ограничения на загружаемый звук блока заставки (фон-картинка — через общий реестр).</summary>
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internal static class BumperFiles
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{
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public const long MaxBytes = 200L * 1024 * 1024; // 200 МБ
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public static readonly IReadOnlySet<string> AudioExtensions = new HashSet<string>(
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StringComparer.OrdinalIgnoreCase
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)
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{
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".mp3",
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".m4a",
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".aac",
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".ogg",
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".opus",
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".wav",
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};
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}
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