DocSpace-client/common/ASC.Data.Backup.Core/Core/Schedule.cs

namespace ASC.Data.Backup;

[Scope]
public class Schedule
{
    private readonly TenantManager _tenantManager;
    private readonly IOptionsMonitor<ILog> _options;
    private readonly TenantUtil _tenantUtil;

    public Schedule(IOptionsMonitor<ILog> options, TenantManager tenantManager, TenantUtil tenantUtil)
    {
        _options = options;
        _tenantManager = tenantManager;
        _tenantUtil = tenantUtil;
    }

    public bool IsToBeProcessed(BackupSchedule backupSchedule)
    {
        try
        {
            var cron = new CronExpression(backupSchedule.Cron);
            var tenant = _tenantManager.GetTenant(backupSchedule.TenantId);
            var tenantTimeZone = tenant.TimeZone;
            var culture = tenant.GetCulture();
            Thread.CurrentThread.CurrentCulture = culture;

            var lastBackupTime = backupSchedule.LastBackupTime.Equals(default)
                ? DateTime.UtcNow.Date.AddSeconds(-1)
                : _tenantUtil.DateTimeFromUtc(tenantTimeZone, backupSchedule.LastBackupTime);

            var nextBackupTime = cron.GetTimeAfter(lastBackupTime);

            if (!nextBackupTime.HasValue)
            {
                return false;
            }

            var now = _tenantUtil.DateTimeFromUtc(tenantTimeZone, DateTime.UtcNow);

            return nextBackupTime <= now;
        }
        catch (Exception e)
        {
            var log = _options.CurrentValue;
            log.Error("Schedule " + backupSchedule.TenantId, e);

            return false;
        }
    }
}