daniel-c-harvey
912256d99a
The queue gains an armed-but-idle state (Arm/Start) so a release embed stages track 0 prerender-safe, then queues the full release on first play and auto-advances.
53 lines
2.3 KiB
C#
53 lines
2.3 KiB
C#
using DeepDrftModels.DTOs;
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using DeepDrftPublic.Client.Services;
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namespace DeepDrftPublic.Client.ViewModels;
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/// <summary>
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/// Resolves the ordered track list for a release embed (<c>FramePlayer?ReleaseEntryKey=...</c>). Mirrors
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/// <see cref="CutDetailViewModel"/>'s release-to-tracks resolution exactly (GetByEntryKey -> release.Id
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/// -> releaseId-filtered track page sorted by TrackNumber) so an embedded release queues the same
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/// ordered list the Cut detail page plays. Owns no playback or staging — the page stages the first
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/// track and arms the queue; this VM only fetches. Scoped; <see cref="Tracks"/> is reset per
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/// <see cref="Load"/> so a reused instance never bleeds across embeds.
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/// </summary>
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public class FramePlayerViewModel
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{
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private readonly IReleaseDataService _releaseData;
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private readonly ITrackDataService _trackData;
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// One page covers the whole release; the API caps PageSize at 100 regardless. Matches CutDetailViewModel.
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private const int ReleasePageSize = 100;
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public IReadOnlyList<TrackDto> Tracks { get; private set; } = [];
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public FramePlayerViewModel(IReleaseDataService releaseData, ITrackDataService trackData)
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{
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_releaseData = releaseData;
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_trackData = trackData;
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}
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/// <summary>
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/// Resolves <paramref name="releaseEntryKey"/> to its ordered tracks. Leaves <see cref="Tracks"/>
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/// empty when the release is not found or has no streamable tracks — the caller leaves the bar idle.
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/// </summary>
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public async Task Load(string releaseEntryKey)
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{
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Tracks = [];
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var releaseResult = await _releaseData.GetByEntryKey(releaseEntryKey);
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if (releaseResult is not { Success: true, Value: { } release }) return;
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// The release's tracks via the releaseId-filtered page — the exact join the Cut page uses
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// (internal int FK, not a title string), sorted by the explicit TrackNumber ordinal so the
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// queue advances in saved order.
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var trackResult = await _trackData.GetPage(
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pageNumber: 1,
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pageSize: ReleasePageSize,
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sortColumn: "TrackNumber",
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releaseId: release.Id);
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if (trackResult is { Success: true, Value: { Items: { } items } })
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Tracks = items.ToList();
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}
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}
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