ANTOOZA-BACKEND/Web.Api/Endpoints/Feed/ByTag.cs

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

namespace Web.Api.Endpoints.Feed;

internal sealed class ByTag : IEndpoint
{
    public void MapEndpoint(IEndpointRouteBuilder app)
    {
        app.MapGet("api/feed/tag/{slug}", async (
            string slug,
            int? page,
            int? perPage,
            ISender sender,
            CancellationToken ct
        ) => {
            var query = new Application.Features.Api.Feed.GetByTag.Query(
                slug,
                page is > 0 ? page.Value : 1,
                (ushort)Math.Clamp(perPage ?? 20, 1, 50)
            );

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

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