/// <summary>
/// Sends event updation notification to the registered users for an event
/// </summary>
/// <param name="eventDetails">The event details for which update notification needs to be sent to user</param>
/// <returns>Returns true if notification sent successfully. Else returns false.</returns>
private async Task <bool> SendEventUpdateNotificationAsync(EventEntity eventDetails)
{
if (eventDetails == null || eventDetails.RegisteredAttendeesCount == 0)
{
return(false);
}
var users = eventDetails.GetAttendees();
await this.categoryHelper.BindCategoryNameAsync(new List <EventEntity>() { eventDetails });
// Get user details from DB using user Ids.
var registeredAttendees = await this.userConfigurationRepository.GetUserConfigurationsAsync(users);
var notificationCard = EventUpdateCard.GetEventUpdateCard(this.localizer, eventDetails, this.botOptions.Value.ManifestId);
await this.notificationHelper.SendNotificationToUsersAsync(registeredAttendees, notificationCard);
return(true);
}