femto-backend/Femto.Api/Controllers/Posts/PostsController.cs

using Femto.Api.Controllers.Posts.Dto;
using Femto.Modules.Blog.Domain.Posts.Commands.CreatePost;
using Femto.Modules.Blog.Domain.Posts.Commands.GetPosts;
using MediatR;
using Microsoft.AspNetCore.Mvc;

namespace Femto.Api.Controllers.Posts;

[ApiController]
[Route("posts")]
public class PostsController(IMediator mediator) : ControllerBase
{
    [HttpGet]
    public async Task<ActionResult<GetAllPublicPostsResponse>> GetAllPublicPosts(
        [FromQuery] GetPublicPostsSearchParams searchParams,
        CancellationToken cancellationToken
    )
    {
        var res = await mediator.Send(
            new GetPostsQuery
            {
                From = searchParams.From,
                Amount = searchParams.Amount ?? 20
            },
            cancellationToken
        );

        return new GetAllPublicPostsResponse(
            res.Posts.Select(p => new PublicPostDto(
                new PublicPostAuthorDto(p.Author.AuthorId, p.Author.Username),
                p.PostId,
                p.Text,
                p.Media.Select(m => m.Url),
                p.CreatedAt
            )),
            res.Next
        );
    }

    [HttpPost]
    public async Task<ActionResult<CreatePostResponse>> Post(
        [FromBody] CreatePostRequest req,
        CancellationToken cancellationToken
    )
    {
        var guid = await mediator.Send(
            new CreatePostCommand(req.AuthorId, req.Content, req.Media),
            cancellationToken
        );

        return new CreatePostResponse(guid);
    }
}