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0623875dfa
.NET 10 solution for Ping, a Discord style chat app: Domain, Application and Infrastructure projects plus the Api host. SignalR for chat and presence, LiveKit for call tokens, EF Core on Postgres, S3 compatible storage for attachments, and OIDC auth shared with the Musify Zitadel instance. Includes the Compose stack for local development.
36 lines
1.5 KiB
C#
36 lines
1.5 KiB
C#
using ErrorOr;
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using Mediator;
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using Microsoft.EntityFrameworkCore;
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using Ping.Application.Contracts;
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using Ping.Domain.ValueObjects;
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namespace Ping.Application.Friends
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{
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public record RejectFriendRequestCommand(long CurrentUserId, Guid FriendshipId) : ICommand<ErrorOr<Success>>;
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public class RejectFriendRequestCommandHandler(IDatabase database, IRealtimeNotifier notifier)
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: ICommandHandler<RejectFriendRequestCommand, ErrorOr<Success>>
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{
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public async ValueTask<ErrorOr<Success>> Handle(RejectFriendRequestCommand request, CancellationToken cancellationToken)
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{
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var friendship = await database.Friendships.FirstOrDefaultAsync(f => f.Id == request.FriendshipId, cancellationToken);
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if (friendship is null)
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return Error.NotFound(description: $"Friend request {request.FriendshipId} not found");
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if (friendship.AddresseeId != request.CurrentUserId)
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return Error.Forbidden(description: "Only the addressee can reject this friend request");
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if (friendship.Status != FriendshipStatus.Pending)
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return Error.Conflict(description: "This friend request is no longer pending");
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database.Friendships.Remove(friendship);
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await database.SaveChangesAsync(cancellationToken);
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await notifier.FriendshipUpdatedAsync(friendship.RequesterId, friendship.Id, cancellationToken);
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return new Success();
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}
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}
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}
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