33 lines
1.1 KiB
C#
33 lines
1.1 KiB
C#
using ErrorOr;
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using Mediator;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.Logging;
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using Musify.Application.Contracts;
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namespace Musify.Application.Users
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{
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public record UnfollowUserCommand(long FollowerId, long FollowedId) : ICommand<ErrorOr<Success>>;
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public class UnfollowUserCommandHandler(
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IDatabase database,
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ILogger<UnfollowUserCommandHandler> logger)
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: ICommandHandler<UnfollowUserCommand, ErrorOr<Success>>
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{
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public async ValueTask<ErrorOr<Success>> Handle(UnfollowUserCommand request, CancellationToken cancellationToken)
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{
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var follow = await database.UserFollows
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.SingleOrDefaultAsync(f => f.FollowerId == request.FollowerId && f.FollowedId == request.FollowedId, cancellationToken);
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if (follow == null)
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return new Success();
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database.UserFollows.Remove(follow);
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await database.SaveChangesAsync(cancellationToken);
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logger.LogInformation("User {FollowerId} unfollowed user {FollowedId}", request.FollowerId, request.FollowedId);
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return new Success();
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}
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}
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}
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