// Notifications API is asynchronous
// parameters are for fields in the posted form
public async Task <ActionResult> Index(SendNotificationPage currentPage,
string from, string to, string subject, string content, string uri,
string when, DateTime?whenDateTime, int?whenDelay)
{
IEnumerable <IUIUser> users = userProvider.GetAllUsers(
pageIndex: 0, pageSize: 30, totalRecords: out int totalRecords);
INotificationUser sender = await
queryableNotificationUserService.GetAsync(from);
var receivers = new List <INotificationUser>();
string[] usernames = to.Split(';');
foreach (var username in usernames)
{
INotificationUser user = await
queryableNotificationUserService.GetAsync(username);
receivers.Add(user);
}
NotificationMessage message;
if (whenDelay.HasValue)
{
message = new DelayedNotificationMessage();
(message as DelayedNotificationMessage).Delay = TimeSpan.FromMinutes(whenDelay.Value);
}
else if (whenDateTime.HasValue)
{
message = new ScheduledNotificationMessage();
(message as ScheduledNotificationMessage).SendAt = whenDateTime.Value;
}
else
{
message = new NotificationMessage();
}
if (!string.IsNullOrWhiteSpace(uri))
{
message.Category = new Uri(uri);
}
message.ChannelName = Global.NotificationChannel;
message.Content = content;
message.Subject = subject;
message.Recipients = receivers;
message.Sender = sender;
message.TypeName = Global.NotificationChannel;
await notifier.PostNotificationAsync(message);
ViewData["users"] = users.OrderBy(user => user.Username)
.Select(user => user.Username).ToArray();
ViewData["messageSent"] = "Your message was sent successfully.";
return(View("~/Features/UserNotifications/SendNotificationPage.cshtml",
PageViewModel.Create(currentPage)));
}
// Notifications API is asynchronous
// channel parameter can be used to filter messages
public async Task <ActionResult> Index(
NotificationsPage currentPage, string channel)
{
// always reset the Ignore property to an empty dictionary
currentPage.Notifications =
new Dictionary <string, PagedUserNotificationMessageResult>();
// get a list of the first 30 registered users
IEnumerable <IUIUser> users = userProvider.GetAllUsers(
pageIndex: 0, pageSize: 30, totalRecords: out int totalRecords);
foreach (IUIUser user in users)
{
// get an object that represents notifications for each user
INotificationUser notificationUser = await
queryableNotificationUserService.GetAsync(user.Username);
// build a query that includes read, unread, sent, and unsent messages
var query = new UserNotificationsQuery
{
Read = null, // include read and unread
Sent = null, // include sent and unsent
User = notificationUser
};
// if a channel name is set, use it to filter the notifications
if (!string.IsNullOrWhiteSpace(channel))
{
ViewData["channel"] = channel;
query.ChannelName = channel;
}
// execute the query
PagedUserNotificationMessageResult result =
await userNotificationRepository
.GetUserNotificationsAsync(
query, startIndex : 0, maxRows : 20);
// store the query results for the user
currentPage.Notifications.Add(user.Username, result);
}
return(View("~/Features/UserNotifications/NotificationsPage.cshtml",
PageViewModel.Create(currentPage)));
}