ersatztv/ErsatzTV.Application/Health/Queries/GetAllHealthCheckResultsForApiHandler.cs

using ErsatzTV.Core.Api.Health;
using ErsatzTV.Core.Health;
using static ErsatzTV.Application.Health.Mapper;

namespace ErsatzTV.Application.Health;

public class GetAllHealthCheckResultsForApiHandler
    : IRequestHandler<GetAllHealthCheckResultsForApi, List<HealthCheckResponseModel>>
{
    private readonly IHealthCheckService _healthCheckService;

    public GetAllHealthCheckResultsForApiHandler(IHealthCheckService healthCheckService) =>
        _healthCheckService = healthCheckService;

    public async Task<List<HealthCheckResponseModel>> Handle(
        GetAllHealthCheckResultsForApi request,
        CancellationToken cancellationToken)
    {
        try
        {
            List<HealthCheckResult> results = await _healthCheckService.PerformHealthChecks(cancellationToken);
            return results
                .Filter(r => r.Status != HealthCheckStatus.NotApplicable)
                .Map(ProjectToResponseModel)
                .ToList();
        }
        catch (Exception ex) when (ex is TaskCanceledException or OperationCanceledException)
        {
            return [];
        }
    }
}