ANTOOZA-BACKEND/Web.Api/Endpoints/Chat/History.cs

using Application.Abstractions.Messaging;
using Web.Api.Common;
using Web.Api.Extensions;

namespace Web.Api.Endpoints.Chat;

/// <summary>룸 최근 메시지 히스토리 — roomKey = main | stock:{code}, 익명 열람 허용 (게스트 읽기 — d0 §5-④)</summary>
internal sealed class History : IEndpoint
{
    public void MapEndpoint(IEndpointRouteBuilder app)
    {
        app.MapGet("api/chat/rooms/{roomKey}/messages", async (
            string roomKey,
            ISender sender,
            CancellationToken ct,
            int count = 50
        ) => {
            var result = await sender.Send(new Application.Features.Api.Chat.GetHistory.Query(roomKey, count), ct);

            return result.Match(
                data => ApiResponse.Ok(data),
                CustomResults.Problem
            );
        })
        .WithTags("Chat")
        .AllowAnonymous();
    }
}