components/LiteCharms.Features.MidrandBooks/HealthChecks/MidrandShopQuartzHealthCheck.cs

using static LiteCharms.Features.Extensions.Quartz;

namespace LiteCharms.Features.MidrandBooks.HealthChecks;

public sealed class MidrandShopQuartzHealthCheck(ISchedulerFactory schedulerFactory) : IHealthCheck
{
    public async Task<HealthCheckResult> CheckHealthAsync(HealthCheckContext context, CancellationToken cancellationToken = default)
    {
        try
        {
            var scheduler = await schedulerFactory.GetScheduler(MidrandShopSchedulerName, cancellationToken);

            if(scheduler == null) 
                return HealthCheckResult.Unhealthy($"Scheduler with name '{MidrandShopSchedulerName}' not found.");

            if (!scheduler.IsStarted)
                return HealthCheckResult.Unhealthy($"{MidrandShopSchedulerName} Quartz scheduler is not running");

            await scheduler.CheckExists(new JobKey(Guid.NewGuid().ToString()), cancellationToken);

            return HealthCheckResult.Healthy($"{MidrandShopSchedulerName} Quartz scheduler is ready");
        }
        catch (SchedulerException)
        {
            return HealthCheckResult.Unhealthy($"{MidrandShopSchedulerName} Quartz scheduler cannot connect to the store");
        }
    }
}