/// <summary>
/// Loads the notifications with ids asynchronously.
/// </summary>
/// <param name="ids">The notification related ids.</param>
/// <param name="applicationName">Name of the application.</param>
/// <param name="isTrackingIds"><c>true</c> if the specified Ids are tracking identifiers.</param>
/// <returns>The instance of <see cref="Task{TResult}"/>.</returns>
private async Task <EntityCollection <WebNotificationItemEntity> > LoadNotificationsWithIdsInternalAsync(IEnumerable <string> ids, string applicationName = null, bool isTrackingIds = false)
{
Debug.Assert(ids?.Any() ?? false, "Missing ids");
Expression <Func <WebNotificationItemEntity, bool> > filterExpression = NotificationsExpressionProvider.PrepareNotificationsFilter(ids, applicationName, isTrackingIds);
EntityCollection <WebNotificationItemEntity> notificationCollection =
await this.notificationsRepository.ReadAsync(
filterExpression,
NotificationsExpressionProvider.NotificationsSortOrderExpression,
nextPageId : null,
numOfEntities : ids.Count())
.ConfigureAwait(false);
return(notificationCollection);
}
/// <inheritdoc cref="INotificationsManager"/>
public async Task <WebNotificationResponse> DeliverNotificationsAsync(string applicationName, string userObjectId)
{
if (string.IsNullOrWhiteSpace(applicationName))
{
throw new ArgumentException("The application name is not specified.", nameof(applicationName));
}
if (string.IsNullOrWhiteSpace(userObjectId))
{
throw new ArgumentException("The user object identifier is not specified.", nameof(userObjectId));
}
WebNotificationResponse webNotificationResponse = new WebNotificationResponse();
this.logger.TraceInformation($"Started {nameof(this.DeliverNotificationsAsync)} method of {nameof(NotificationsManager)}.");
Expression <Func <WebNotificationItemEntity, bool> > filterExpression = NotificationsExpressionProvider.PrepareNotificationsFilter(applicationName, notificationReadStatus: null, userObjectId: userObjectId);
EntityCollection <WebNotificationItemEntity> notificationCollection =
await this.notificationsRepository.ReadAsync(
filterExpression,
NotificationsExpressionProvider.NotificationsSortOrderExpression,
nextPageId : null,
numOfEntities : BusinessConstants.PageSize).ConfigureAwait(false);
webNotificationResponse.Notifications.AddRange(notificationCollection.Items.Select(wbn => wbn.ToWebNotification()));
if (webNotificationResponse.Notifications.Any())
{
await this.MarkNotificationsDeliveredInternalAsync(NotificationDeliveryChannel.Web, notificationCollection.Items).ConfigureAwait(false);
}
this.logger.TraceInformation($"Finished {nameof(this.DeliverNotificationsAsync)} method of {nameof(NotificationsManager)}.");
return(webNotificationResponse);
}
/// <summary>
/// Processes the notifications internally.
/// </summary>
/// <param name="applicationName">Name of the application.</param>
/// <param name="webNotificationRequestItems">The instance for <see cref="IEnumerable{WebNotificationRequestItem}"/>.</param>
/// <returns>The instance of <see cref="Task{WebNotification}"/> representing an asynchronous operation.</returns>
private async Task <IEnumerable <WebNotification> > ProcessNotificationsInternalAsync(string applicationName, IEnumerable <WebNotificationRequestItem> webNotificationRequestItems)
{
Debug.Assert(!string.IsNullOrWhiteSpace(applicationName), "Missing application name.");
Debug.Assert(webNotificationRequestItems?.Any() ?? false, "Missing web notification request items.");
IEnumerable <WebNotificationItemEntity> notificationEntities = webNotificationRequestItems.Select(wbr => wbr.ToEntity(applicationName)).ToList();
await this.UpdateNotificationEntitiesWithExitingIdsAsync(notificationEntities).ConfigureAwait(false);
notificationEntities = await this.notificationsRepository.UpsertAsync(notificationEntities).ConfigureAwait(false);
IOrderedQueryable <WebNotificationItemEntity> queryableNotifications = notificationEntities.AsQueryable().Where(NotificationsExpressionProvider.PrepareNotificationsFilter(applicationName, NotificationReadStatus.New)).OrderBy(NotificationsExpressionProvider.NotificationsSortOrderExpression);
IEnumerable <WebNotification> notifications = queryableNotifications.Select(we => we.ToWebNotification()).ToList();
return(notifications);
}