public async Task GenerateNotificationsAsync(IEnumerable <Appointment> newAppointments)
{
var emailsToNotify = new Dictionary <string, List <Appointment> >();
var phonesToNotify = new Dictionary <string, List <Appointment> >();
foreach (var appointment in newAppointments)
{
Console.WriteLine($"Processing notifications for new appointment {appointment.Id}");
string eventKey = $"{appointment.Source}";
var subscribers = await _subscriptionStore.GetSubscribersAsync(eventKey);
foreach (var subscriber in subscribers)
{
Collect(subscriber.Email, emailsToNotify, appointment);
Collect(subscriber.Phone, phonesToNotify, appointment);
}
}
// Send emails
foreach (var email in emailsToNotify)
{
string reason = string.Join(" ", email.Value.GroupBy(x => x.Source).Select(x => $"Found {x.Count()} appointment{(x.Count() != 1 ? "s" : "")} for {x.Key}."));
await _notificationStore.LogNotificationAsync(new Subscriber { Email = email.Key }, reason);
}
foreach (var phoneToNotify in phonesToNotify)
{
// var phoneNumberUtil = PhoneNumbers.PhoneNumberUtil.GetInstance();
// var number = phoneNumberUtil.Parse(phoneToNotify.Key, "US");
// if (!phoneNumberUtil.IsValidNumberForRegion(number, "US"))
// {
// Console.WriteLine($"Number {number} is not a valid phone number");
// continue;
// }
var sb = new StringBuilder();
sb.Append("VaxAlert found possible appointments!\n\n");
foreach (var appointment in phoneToNotify.Value)
{
sb.Append($"{appointment.Source}: {appointment.Title}\n");
}
sb.Append("\nLink: https://volunteer.covidvaccineseattle.org/VolunteerDashboard.aspx\n");
sb.Append("\nText STOP to unsubscribe");
Console.WriteLine($"Sending SMS to {phoneToNotify.Key}");
await _smsProvider.SendSmsAsync(phoneToNotify.Key, sb.ToString());
string reason = string.Join(" ", phoneToNotify.Value.GroupBy(x => x.Source).Select(x => $"Found {x.Count()} appointment{(x.Count() != 1 ? "s" : "")} for {x.Key}."));
await _notificationStore.LogNotificationAsync(new Subscriber { Phone = phoneToNotify.Key }, reason);
}
}
