34 lines
1.3 KiB
C#
34 lines
1.3 KiB
C#
using ErrorOr;
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using Mediator;
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using Microsoft.EntityFrameworkCore;
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using Musify.Application.Albums.Responses;
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using Musify.Application.Contracts;
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using Musify.Application.Shared;
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namespace Musify.Application.Albums;
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public record GetAlbumsByUserIdQuery(long UserId, int PageNumber, int PageSize)
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: IQuery<ErrorOr<PaginatedResponse<AlbumApplicationResponse>>>;
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public class GetAlbumsByUserIdQueryHandler(IDatabase database)
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: IQueryHandler<GetAlbumsByUserIdQuery, ErrorOr<PaginatedResponse<AlbumApplicationResponse>>>
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{
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public async ValueTask<ErrorOr<PaginatedResponse<AlbumApplicationResponse>>> Handle(GetAlbumsByUserIdQuery request, CancellationToken cancellationToken)
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{
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var userExists = await database.Users
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.AsNoTracking()
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.AnyAsync(user => user.Id == request.UserId, cancellationToken);
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if (!userExists)
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return AppErrors.NotFound("User", request.UserId);
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return await database.Albums
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.AsNoTracking()
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.Active()
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.Where(album => album.OwnerUserId == request.UserId)
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.OrderByDescending(album => album.CreatedAt)
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.ThenBy(album => album.Id)
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.SelectResponse()
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.ToPaginatedAsync(new PageRequest(request.PageNumber, request.PageSize), cancellationToken);
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}
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}
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