64 lines
2.1 KiB
C#
64 lines
2.1 KiB
C#
using System.Text.Json.Serialization;
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using ErrorOr;
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using Mediator;
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using Microsoft.EntityFrameworkCore;
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using Musify.Application.Contracts;
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using Musify.Application.Serialization;
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namespace Musify.Application.Users
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{
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public record GetUserProfileQuery(long UserId) : IQuery<ErrorOr<UserProfileResponse>>;
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public record UserProfileResponse(
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[property: JsonConverter(typeof(LongAsStringConverter))] long Id,
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string Name,
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string? FirstName,
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string? SecondName,
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string? ProfilePictureUrl,
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DateTime CreatedAt,
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int FollowersCount,
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int FollowingCount);
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public class GetUserProfileQueryHandler(IDatabase database)
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: IQueryHandler<GetUserProfileQuery, ErrorOr<UserProfileResponse>>
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{
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public async ValueTask<ErrorOr<UserProfileResponse>> Handle(GetUserProfileQuery request, CancellationToken cancellationToken)
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{
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var user = await database.Users
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.AsNoTracking()
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.Where(u => u.Id == request.UserId)
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.Select(u => new
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{
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u.Id,
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u.Name,
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u.FirstName,
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u.SecondName,
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u.ProfilePictureUrl,
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u.CreatedAt
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})
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.SingleOrDefaultAsync(cancellationToken);
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if (user == null)
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return Error.NotFound();
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var followersCount = await database.UserFollows
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.AsNoTracking()
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.CountAsync(f => f.FollowedId == request.UserId, cancellationToken);
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var followingCount = await database.UserFollows
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.AsNoTracking()
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.CountAsync(f => f.FollowerId == request.UserId, cancellationToken);
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return new UserProfileResponse(
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user.Id,
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user.Name,
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user.FirstName,
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user.SecondName,
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user.ProfilePictureUrl,
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user.CreatedAt,
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followersCount,
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followingCount);
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}
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}
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}
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