public void NotifyOthers(NotificationType type, string senderId, int postId)
{
var sender = GetUserById(senderId);
if (sender == null)
{
throw new ArgumentException("Sender doesn't exist");
}
var subscribers = new PostRepository(_context).GetPostSubscriptions(postId).ToList();
foreach (var subscriber in subscribers)
{
if (subscriber.IsOff)
{
continue;
}
var notification = _context.Notifications
.FirstOrDefault(n => n.ReceiverId.Equals(subscriber.UserId) && n.SenderId.Equals(sender.Id) && n.NotificationType == type && n.PostId == postId);
var post = new PostRepository(_context).GetPost(postId);
if (post == null)
{
throw new ArgumentException("Post doesn't exist");
}
if (subscriber.UserId.Equals(sender.Id))
{
continue;
}
if (notification == null || type == NotificationType.Comment)
{
var newNotification = new Notification
{
DateTime = DateTime.UtcNow,
IsRead = false,
PostId = post.Id,
SenderId = sender.Id,
ReceiverId = subscriber.UserId,
NotificationType = type,
OwnershipType = OwnershipType.Other
};
_context.Notifications.Add(newNotification);
NotificationsHub.Notify(subscriber.UserId, sender, newNotification);
}
}
}
public IHttpActionResult NotifyAdmin([FromUri] string email)
{
Notification notification = new Notification();
notification.Text = "New user registrated: " + email;
notification.Date = DateTime.Now;
if (PostNotification(notification))
{
NotificationsHub.Notify(notification);
return(Ok("Success"));
}
NotificationsHub.Notify(null);
return(Ok("Failure"));
}
public IHttpActionResult NotifyAdmin([FromUri] string serviceName, [FromUri] int id)
{
Notification notification = new Notification();
notification.Text = "New service added with name: " + serviceName + " and id: " + id;
notification.Date = DateTime.Now;
if (PostNotification(notification))
{
NotificationsHub.Notify(notification);
return(Ok("Success"));
}
NotificationsHub.Notify(null);
return(Ok("Failure"));
}
public void Notify(string receiverId, NotificationType type, string senderId, int?postId)
{
var sender = GetUserById(senderId);
if (sender == null)
{
throw new ArgumentException("Sender doesn't exist");
}
if (postId != null)
{
var post = new PostRepository(_context).GetPost((int)postId);
if (post == null)
{
throw new ArgumentException("Post doesn't exist");
}
var notification = _context.Notifications.
FirstOrDefault(n => n.ReceiverId.Equals(post.ApplicationUserId) && n.SenderId.Equals(sender.Id) && n.NotificationType == type && n.PostId == postId);
if (!post.ApplicationUserId.Equals(sender.Id) && (notification == null || type == NotificationType.Comment))
{
var newNotification = new Notification
{
DateTime = DateTime.UtcNow,
IsRead = false,
PostId = post.Id,
SenderId = sender.Id,
ReceiverId = post.ApplicationUserId,
NotificationType = type,
OwnershipType = OwnershipType.Owner
};
_context.Notifications.Add(newNotification);
NotificationsHub.Notify(post.ApplicationUserId, sender, newNotification);
}
NotifyOthers(type, senderId, (int)postId);
}
if (!receiverId.IsNullOrWhiteSpace())
{
var receiver = GetUserById(receiverId);
if (receiver == null)
{
throw new ArgumentException("Receiver doesn't exist");
}
var notification = _context.Notifications.FirstOrDefault(n => n.ReceiverId.Equals(receiver.Id) && n.SenderId.Equals(sender.Id) && n.NotificationType == type);
if (notification == null)
{
var newNotification = new Notification
{
DateTime = DateTime.UtcNow,
IsRead = false,
SenderId = sender.Id,
ReceiverId = receiver.Id,
NotificationType = NotificationType.Follow,
OwnershipType = OwnershipType.Owner
};
_context.Notifications.Add(newNotification);
NotificationsHub.Notify(receiver.Id, sender, newNotification);
}
}
}
public void Execute()
{
if (ApplicationDbContext.options != null && !isRunning)
{
isRunning = true;
ApplicationDbContext appDbContext = new ApplicationDbContext(ApplicationDbContext.options);
try
{
// Load relevant constants from Configration file (appSettings)
int minQuestionsRecommend = ConfigurationManager.Instance.GetValue("MIN_QUESTIONS_RECOMMEND", Consts.MIN_QUESTIONS_RECOMMEND);
double maxQuestionRank = ConfigurationManager.Instance.GetValue("MAX_QUESTION_RANK", Consts.MAX_QUESTION_RANK);
double minDaysAfterRejected = ConfigurationManager.Instance.GetValue("NUM_DAYS_AFTER_REJECTED", Consts.NUM_DAYS_AFTER_REJECTED);
// Load relevant candidates (which enabled to send their resume) and solved at least MIN_QUESTIONS_RECOMMEND
IEnumerable <CandidateUser> candidates = appDbContext.Set <CandidateUser>()
.Include("Questions.Question")
.Where(c => c.AllowSendResume &&
c.Questions.Where(q => q.IsDone).Count() >= minQuestionsRecommend);
// Load relevant recruiters (which enabled to receive notifications)
Dictionary <string, RecruiterUser> recruiters = appDbContext.Set <RecruiterUser>()
.Include(r => r.Identity)
.Where(r => r.ReceiveNotifications).ToDictionary(r => r.IdentityId, r => r);
// Load only OPEN positions which created by recruiters who enabled notifications
IEnumerable <Position> positions = appDbContext.Set <Position>()
.Include(p => p.PositionSkills)
.Where(p => p.Status == (int)PositionStatus.Opened && recruiters.ContainsKey(p.CreatedBy));
// Load recommendations which is relevant to filter users
/*
* It is uses in order to prevent from sending recommendations to recruiters
* about candidates which sent a recommendation already
*/
var recommendations = appDbContext.Set <RecommendationNotification>()
.Where(r => !(r.Approved == false && r.DateResponded.Value.AddDays(minDaysAfterRejected) < DateTime.Now))
.ToLookup(r => r.PositionId, r => r);
foreach (Position position in positions)
{
IEnumerable <PositionSkill> positionSkills = position.PositionSkills;
Dictionary <int, double> matchingNumbersOfCandidates = new Dictionary <int, double>();
foreach (CandidateUser candidate in candidates)
{
bool skipToNextCandidate = false;
//if(recommendations.Contains(position.Id))
//{
//}
foreach (RecommendationNotification recommendation in recommendations[position.Id])
{
if (recommendation.CandidateId == candidate.Id)
{
skipToNextCandidate = true;
break;
}
}
if (skipToNextCandidate)
{
continue;
}
double matchingNumber = 0;
foreach (PositionSkill positionSkill in positionSkills)
{
double skillGrade = 0;
double maxTotalRank = 0;
double totalRank = 0;
double sumQuestionsRank = 0;
// Load questions which done by the candidate, and has at least one skill of this position
var relevantQuestions = candidate.Questions.Where(cq => cq.IsDone && cq.Question.Rank > 0);
var questionsWithAtLeastOneRelevantSkill = new List <CandidateQuestion>();
foreach (CandidateQuestion cq in relevantQuestions)
{
if (Utils.ConvertStringIdsToList(cq.Question.TestedSkills).Contains(positionSkill.Id))
{
questionsWithAtLeastOneRelevantSkill.Add(cq);
}
}
relevantQuestions = questionsWithAtLeastOneRelevantSkill;
maxTotalRank = relevantQuestions.Count() * maxQuestionRank;
if (maxTotalRank > 0)
{
foreach (var relevantQuestion in relevantQuestions)
{
sumQuestionsRank += relevantQuestion.Question.Rank / maxQuestionRank;
totalRank += relevantQuestion.Question.Rank;
}
skillGrade = sumQuestionsRank * (totalRank / maxTotalRank) * positionSkill.SkillWeight;
matchingNumber += skillGrade;
}
}
if (matchingNumber > 0)
{
matchingNumbersOfCandidates.Add(candidate.Id, matchingNumber);
}
}
// Getting the recommended candidate which his matching number is the heighest
double max = 0;
int candidateId = -1;
foreach (var matchingNumber in matchingNumbersOfCandidates)
{
if (matchingNumber.Value > max)
{
max = matchingNumber.Value;
candidateId = matchingNumber.Key;
}
}
if (candidateId != -1 && recruiters.ContainsKey(position.CreatedBy))
{
RecruiterUser relevantRecruiter = recruiters[position.CreatedBy];
// Update recommentdation table
Notification notificiation = new Notification()
{
Type = (int)NotificationType.Recommendation,
DateCreated = DateTime.Now,
IsViewed = false,
Recipent = relevantRecruiter.IdentityId,
};
RecommendationNotification recommendation = new RecommendationNotification()
{
Approved = null,
Notification = notificiation,
CandidateId = candidateId,
PositionId = position.Id,
};
var otherDbContext = new ApplicationDbContext(ApplicationDbContext.options);
new RecommendationNotificationsRepository(otherDbContext).Add(recommendation);
otherDbContext.SaveChanges();
var genericNotificationToClient = new GenericNotification()
{
NotificationId = recommendation.Notification.Id,
Type = recommendation.Notification.Type,
DateCreated = recommendation.Notification.DateCreated,
IsViewed = recommendation.Notification.IsViewed,
Approved = recommendation.Approved,
CandidateId = recommendation.CandidateId,
};
// Send the recommendation
NotificationsHub.Notify(relevantRecruiter.Identity.Email, genericNotificationToClient);
}
//double maxMatchingNumber = matchingNumbersOfCandidates.Values.Max();
//int candidateId = matchingNumbersOfCandidates.Where((key, value) => value == maxMatchingNumber).First().Key;
}
}
catch (Exception)
{
// TODO: write to log
}
finally
{
isRunning = false;
}
}
}
