ANTOOZA-BACKEND/Web.Api/Endpoints/Forum/PostCheer/Send.cs

using System.Security.Claims;
using Application.Abstractions.Messaging;
using Web.Api.Common;
using Web.Api.Extensions;

namespace Web.Api.Endpoints.Forum.PostCheer;

// 분석글 응원(Cheer) 발신 — D3 M4. 인증 필요. 본인 글 응원 금지·최소금액·일일 캡은 핸들러에서 검증.
internal sealed class Send : IEndpoint
{
    public sealed record Request(
        int Amount,
        string? Message
    );

    public void MapEndpoint(IEndpointRouteBuilder app)
    {
        app.MapPost("api/posts/{postID}/cheers", async (
            int postID,
            ClaimsPrincipal user,
            Request request,
            ISender sender,
            CancellationToken ct
        ) => {
            var memberID = user.GetMemberID();

            if (memberID is null)
            {
                return ApiResponse.Fail(StatusCodes.Status401Unauthorized, "Invalid token");
            }

            var command = new Application.Features.Api.Forum.PostCheer.Send.Command(
                memberID.Value,
                postID,
                request.Amount,
                request.Message
            );

            var result = await sender.Send(command, ct);

            return result.Match(
                cheerID => ApiResponse.Ok(new { cheerID }),
                CustomResults.Problem
            );
        })
        .WithTags("Forum")
        .RequireAuthorization();
    }
}