public async Task Notify(IReadOnlyCollection <Request> updatedRequests)
{
if (!updatedRequests.Any())
{
return;
}
this.logger.LogDebug("Sending notifications for new requests.");
var users = await this.userRepository.GetUsers();
var schedules = await this.scheduleRepository.GetSchedules();
var dailyNotificationSchedule =
schedules.Single(s => s.ScheduledTaskType == ScheduledTaskType.DailyNotification);
var weeklyNotificationSchedule =
schedules.Single(s => s.ScheduledTaskType == ScheduledTaskType.WeeklyNotification);
var datesToExclude = new List <LocalDate>();
if (dateCalculator.ScheduleIsDue(dailyNotificationSchedule, within: Duration.FromMinutes(2)))
{
this.logger.LogDebug("Daily notification email is due soon. Excluding this date.");
datesToExclude.Add(this.dateCalculator.GetNextWorkingDate());
}
if (dateCalculator.ScheduleIsDue(weeklyNotificationSchedule, within: Duration.FromMinutes(2)))
{
this.logger.LogDebug("Weekly notification email is due soon. Excluding these dates.");
datesToExclude.AddRange(this.dateCalculator.GetWeeklyNotificationDates());
}
var requestsToNotify = updatedRequests.Where(r =>
r.Status == RequestStatus.Allocated && !datesToExclude.Contains(r.Date));
foreach (var requestsByUser in requestsToNotify.GroupBy(r => r.UserId))
{
var user = users.Single(u => u.UserId == requestsByUser.Key);
var userRequests = requestsByUser.ToArray();
var emailTemplate = userRequests.Length == 1
? (IEmailTemplate) new SingleDayAllocationNotification(userRequests[0], user)
: new MultipleDayAllocationNotification(userRequests, user);
await this.emailRepository.Send(emailTemplate);
}
}
