/// <summary>
/// Fetch All Emails pending for the Given Job Id
/// </summary>
/// <param name="job">Instance of current Executing Job</param>
/// <param name="allowedFailedAttempts">Config Driven allowed Failed Count for Emails</param>
/// <returns>List Of Emails Need to be Triggered</returns>
/// <exception>Returns Empty List </exception>
internal IEnumerable <EmailContent> GetAllPendingEmailContentAndCorrespondingRecipientForJob(TaskSchedulerJob job, int allowedFailedAttempts)
{
try
{
using (TrainingTrackerContainer context = new TrainingTrackerContainer())
{
return(context.EmailContents.Include("EmailRecipients")
.Where(x => x.TaskSchedulerJobId == job.Id && !x.IsSent && x.Attempts <= allowedFailedAttempts)
.ToList());
}
}
catch (Exception ex)
{
Constants.WriteEventLog(ex.ToString());
return(new List <EmailContent>());
}
}
/// <summary>
/// Updates the Job Execution Status
/// </summary>
/// <param name="jobId">Id of the job to Be updated</param>
/// <returns>Success Status of the method</returns>
/// <exception> On Exception returns False</exception>
internal bool UpdateJobExecutionStatus(int jobId)
{
try
{
using (TrainingTrackerContainer context = new TrainingTrackerContainer())
{
// Intentional Use of Find.. There should be single job with the id
context.TaskSchedulerJobs.Find(jobId).LastExecution = DateTime.Now;
return(context.SaveChanges() == 1);
}
}
catch (Exception ex)
{
Constants.WriteEventLog(ex.ToString());
return(false);
}
}
/// <summary>
/// Method To update the Email Status , Sets 1 to Is sent on success Sets 0 on Failure.
/// </summary>
/// <param name="email">Instance Of Email which needs updation</param>
internal void UpdateEmailStatus(EmailContent email)
{
try
{
using (TrainingTrackerContainer context = new TrainingTrackerContainer())
{
// intentional use of single to let it fail if multiple email with same id.
EmailContent emailContent = context.EmailContents.Single(x => x.Id == email.Id);
emailContent.IsSent = email.IsSent;
emailContent.SentTimeStamp = DateTime.Now;
++emailContent.Attempts;
context.SaveChanges();
}
}
catch (Exception ex)
{
Constants.WriteEventLog(ex.ToString());
}
}
/// <summary>
/// Fetches All Active schedulers jobs that are ready for Execution
/// </summary>
/// <returns>List of All Active schedulers</returns>
/// <exception >On Exception returns Empty List</exception>
internal List <TaskSchedulerJob> GetAllActiveScheduledJob()
{
try
{
using (TrainingTrackerContainer context = new TrainingTrackerContainer())
{
var jobs = context.TaskSchedulerJobs.Where(x => x.IsActive)
.ToList();
return(jobs.Where(x => !x.LastExecution.HasValue ||
x.LastExecution.Value.AddSeconds(x.ExecutionIntervalSeconds) <= DateTime.Now)
.ToList());
}
}
catch (Exception ex)
{
Constants.WriteEventLog(ex.ToString());
return(new List <TaskSchedulerJob>());
}
}