casa-bot/src/CasaBot/AutoScan/AutoScanApp.cs

using AutoScan.Options;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using Quartz;

namespace AutoScan;

public class AutoScanApp
{
    private readonly AutoScanOptions _options;
    private readonly ILogger<AutoScanApp> _logger;
    private readonly IScheduler _scheduler;

    public AutoScanApp(IOptions<AutoScanOptions> options, ILogger<AutoScanApp> logger, IScheduler scheduler)
    {
        _options = options.Value;
        _logger = logger;
        _scheduler = scheduler;
    }
    
    public async Task Run(CancellationToken cancellationToken)
    {
        _logger.LogInformation("AutoScanApp is running...");
        
        var at = DateTime.Now.AddMinutes(1).ToString("HH:mm");
        var cron = CronFromAt(at);
        _logger.LogInformation("Waiting for next scan at {At} [{cron}].", at, cron);
        
        await _scheduler.Start(cancellationToken);
        _logger.LogInformation("Scheduler started successfully!");
        
        // define the job and tie it to our HelloJob class
        IJobDetail job = JobBuilder.Create<ScanJob>()
            .WithIdentity("job1", "group1")
            .Build();
        
        ITrigger trigger = TriggerBuilder.Create()
            .WithIdentity("trigger1", "group1")
            .WithCronSchedule(cron)
            .Build();

        await _scheduler.ScheduleJob(job, trigger, cancellationToken);
        _logger.LogInformation("Scheduled job successfully!");
    }
    
    private string CronFromAt(string at)
    {
        var parts = at.Split(':');
        return $"0 {parts[1]} {parts[0]} * * ?";
    }

}