daniel-c-harvey
80 lines
4.3 KiB
C#
80 lines
4.3 KiB
C#
using DeepDrftModels.DTOs;
|
|
using Models.Common;
|
|
using NetBlocks.Models;
|
|
|
|
namespace DeepDrftData;
|
|
|
|
/// <summary>
|
|
/// SQL-side track service. Repository outputs entities; this service outputs DTOs via
|
|
/// TrackConverter. In-process consumers (UnifiedTrackService, CLI, DeepDrftPublic) all
|
|
/// receive DTOs.
|
|
/// </summary>
|
|
public interface ITrackService
|
|
{
|
|
Task<ResultContainer<TrackDto?>> GetById(long id);
|
|
Task<ResultContainer<TrackDto?>> GetByEntryKey(string entryKey);
|
|
|
|
/// <summary>
|
|
/// Returns a single track chosen uniformly at random, or null when the library is empty
|
|
/// (a valid state, not a failure). Backs the public "Stream Now" instant-play feature.
|
|
/// </summary>
|
|
Task<ResultContainer<TrackDto?>> GetRandom(CancellationToken cancellationToken = default);
|
|
Task<ResultContainer<List<TrackDto>>> GetAll();
|
|
Task<ResultContainer<PagedResult<TrackDto>>> GetPaged(int pageNumber, int pageSize, string? sortColumn, bool sortDescending, TrackFilter? filter = null, CancellationToken cancellationToken = default);
|
|
|
|
/// <summary>All releases, title-ascending, each carrying its non-deleted track count.</summary>
|
|
Task<ResultContainer<List<ReleaseDto>>> GetReleases(CancellationToken cancellationToken = default);
|
|
|
|
/// <summary>Distinct non-null genres with track counts, genre-ascending.</summary>
|
|
Task<ResultContainer<List<GenreSummaryDto>>> GetDistinctGenres(CancellationToken cancellationToken = default);
|
|
|
|
/// <summary>
|
|
/// Aggregate figures behind the public home hero stat row: Cut track count + per-ReleaseType Cut
|
|
/// release breakdown, Mix release count, and total Mix runtime in seconds. One read for all three cards.
|
|
/// </summary>
|
|
Task<ResultContainer<HomeStatsDto>> GetHomeStats(CancellationToken cancellationToken = default);
|
|
|
|
/// <summary>
|
|
/// Non-deleted tracks whose SQL duration is still null — the work list for the one-time duration
|
|
/// backfill. The backfill reads each track's stored duration from the vault and writes it via
|
|
/// <see cref="UpdateDuration"/>.
|
|
/// </summary>
|
|
Task<ResultContainer<List<TrackDto>>> GetTracksMissingDuration(CancellationToken cancellationToken = default);
|
|
|
|
/// <summary>
|
|
/// Set the SQL duration for one track. Idempotent: a track whose duration is already set is left
|
|
/// untouched. Backs the duration backfill. Returns the number of rows updated (0 or 1).
|
|
/// </summary>
|
|
Task<ResultContainer<int>> UpdateDuration(long id, double durationSeconds, CancellationToken cancellationToken = default);
|
|
|
|
/// <summary>
|
|
/// Resolve the release matching <paramref name="title"/> + <paramref name="artist"/>, creating
|
|
/// one from <paramref name="releaseData"/> when none exists. Backs the upload flow's FK
|
|
/// resolution so a track lands on a shared release rather than duplicating release-cardinal data.
|
|
/// </summary>
|
|
Task<ResultContainer<ReleaseDto>> FindOrCreateRelease(
|
|
string title, string artist, ReleaseDto releaseData, CancellationToken cancellationToken = default);
|
|
|
|
/// <summary>
|
|
/// Read-only peek for an existing release by its natural key, or null when none exists — a find
|
|
/// with no create side-effect. Backs the upload cardinality pre-check, which must read a release's
|
|
/// medium and live-track count before deciding whether to admit an upload, without creating a
|
|
/// release for an upload it may reject. The returned DTO carries TrackCount.
|
|
/// </summary>
|
|
Task<ResultContainer<ReleaseDto?>> GetReleaseByTitleAndArtist(
|
|
string title, string artist, CancellationToken cancellationToken = default);
|
|
|
|
Task<ResultContainer<TrackDto>> Create(TrackDto newTrack);
|
|
Task<ResultContainer<TrackDto>> Update(TrackDto track);
|
|
Task<Result> Delete(long id);
|
|
|
|
/// <summary>Soft-delete a release row by id. Idempotent — a missing or already-deleted row is a no-op.</summary>
|
|
Task<Result> DeleteRelease(long id, CancellationToken cancellationToken = default);
|
|
|
|
/// <summary>
|
|
/// Count of non-deleted tracks on a release. Backs the delete-cascade decision: when a track
|
|
/// delete leaves a release with zero live tracks, the release is soft-deleted too.
|
|
/// </summary>
|
|
Task<ResultContainer<int>> CountLiveTracksByRelease(long releaseId, CancellationToken cancellationToken = default);
|
|
}
|