the-biergarten-app/web/backend/Features/Features.Users/Queries/GetPublicUserProfileById/GetPublicUserProfileByIdHandler.cs

using Domain.Entities;
using Domain.Exceptions;
using Features.ImageUploads.Services;
using Features.Users.Dtos;
using Features.Users.Repository;
using MediatR;

namespace Features.Users.Queries.GetPublicUserProfileById;

public class GetPublicUserProfileByIdHandler(
    IUserListRepository repository,
    IFileStorageProvider fileStorageProvider
) : IRequestHandler<GetPublicUserProfileByIdQuery, PublicUserProfileDto>
{
    /// <exception cref="NotFoundException">Thrown when no user account exists with the given ID.</exception>
    public async Task<PublicUserProfileDto> Handle(
        GetPublicUserProfileByIdQuery request,
        CancellationToken cancellationToken
    )
    {
        UserAccount? user = await repository.GetByIdAsync(request.UserAccountId);
        if (user is null)
            throw new NotFoundException($"User with ID {request.UserAccountId} not found");
        return user.ToPublicProfileDto(fileStorageProvider);
    }
}