41 lines
1.6 KiB
C#
41 lines
1.6 KiB
C#
using ErrorOr;
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using Mediator;
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using Microsoft.EntityFrameworkCore;
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using Musify.Application.Shared;
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using Musify.Application.Tracks.Responses;
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using X.PagedList.EF;
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using Musify.Application.Contracts;
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namespace Musify.Application.Tracks
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{
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public record GetTracksQuery(string? Name, int PageNumber, int PageSize)
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: IQuery<ErrorOr<PaginatedResponse<TrackApplicationResponse> >>;
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public class GetTracksQueryHandler(IDatabase database)
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: IQueryHandler<GetTracksQuery, ErrorOr<PaginatedResponse<TrackApplicationResponse>> >
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{
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public async ValueTask<ErrorOr<PaginatedResponse<TrackApplicationResponse> >> Handle(GetTracksQuery request, CancellationToken cancellationToken)
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{
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var tracksQuery = database.UserHasTracks
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.AsNoTracking()
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.Include(ut => ut.Track)
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.AsQueryable();
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if (!string.IsNullOrEmpty(request.Name))
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{
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var normalizedName = request.Name.Trim().ToUpperInvariant();
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tracksQuery = tracksQuery.Where(t => t.Track.NormalizedTitle.Contains(normalizedName));
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}
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var totalCount = await tracksQuery.CountAsync(cancellationToken);
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var pagedTracks = await tracksQuery
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.OrderBy(t => t.Id)
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.Select(t => TrackApplicationResponse.FromEntity(t.Track))
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.ToPagedListAsync(request.PageNumber, request.PageSize, totalCount, cancellationToken);
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return PaginatedResponse<TrackApplicationResponse>.FromPagedList(pagedTracks);
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}
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}
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}
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