public async Task CreateNotifications(ModelNotification modelNotifications, string type)
{
List <Repository.Models.Notification> newNotifications = new List <Repository.Models.Notification>();
List <Task <Repository.Models.Notification> > tasks = new List <Task <Repository.Models.Notification> >();
List <Repository.Models.FollowingUser> allFollowees = await _repo.GetUserFollowees(modelNotifications.Usernameid);
foreach (string userid in modelNotifications.Followers)
{
if (userid != modelNotifications.Usernameid)
{
tasks.Add(Task.Run(() => Mapper.ModelNotifToRepoNotif(userid, modelNotifications.OtherId, type, null)));
}
}
var results = await Task.WhenAll(tasks);
foreach (var item in results)
{
newNotifications.Add(item);
}
List <Task> repoTasks = new List <Task>();
foreach (var notification in newNotifications)
{
await _repo.AddNotification(notification);
}
List <Repository.Models.Notification> otherNotifications = await Task.Run(() => FolloweeNotifications(modelNotifications.OtherId, type, allFollowees, newNotifications, modelNotifications.Usernameid));
foreach (var notification in otherNotifications)
{
await _repo.AddNotification(notification);
}
}
/// <summary>
/// Returns a list of new notifications that were not created based on a user following another user
/// Goes through the list of newly created notifications and checks if the followeeid + otherid combination is there
/// If not, will make a new notification to be returned
/// </summary>
/// <param name="followeeeid"></param>
/// <param name="otherid"></param>
/// <param name="curNotif"></param>
/// <returns></returns>
private async Task <List <Repository.Models.Notification> > FolloweeNotifications(string otherid, string type, List <Repository.Models.FollowingUser> followees, List <Repository.Models.Notification> curNotif, string creatorid)
{
List <Repository.Models.Notification> newNotifications = new List <Repository.Models.Notification>();
List <Task <Repository.Models.Notification> > tasks = new List <Task <Repository.Models.Notification> >();
foreach (Repository.Models.FollowingUser followee in followees)
{
if (!curNotif.Exists(x => x.UserId == followee.FolloweeUserId))
{
tasks.Add(Task.Run(() => Mapper.ModelNotifToRepoNotif(followee.FolloweeUserId, otherid, type, creatorid)));
}
}
var results = await Task.WhenAll(tasks);
foreach (var item in results)
{
newNotifications.Add(item);
}
return(newNotifications);
}