private void AddOrResendInvitation(string inviteeEmail, Invitation i, IQueryable<Invitation> prevSentInvitations)
{
if (prevSentInvitations.Any(o => o.StatusValue == (int) InvitationStatus.Blocked))
throw new Exception("This user blocked invitations from you.");
//check already existing invitation to this project
var prevSentToThisProject = prevSentInvitations.FirstOrDefault(o => o.ProjectId == i.ProjectId);
if (prevSentToThisProject != null)
{
switch (prevSentToThisProject.Status)
{
case InvitationStatus.Sent:
throw new Exception("You have already sent invitation to this user.");
break;
case InvitationStatus.Accepted:
throw new Exception("This user is already in your team.");
break;
case InvitationStatus.Declined:
prevSentToThisProject.LastSentDate = DateTime.UtcNow;
//resend invitation email again
MessageService.SendEmail(inviteeEmail, "Invitation to project", "InviteToProject",
new EmailDTO<Invitation>(prevSentToThisProject));
Database.ObjectContext.ApplyCurrentValues("Invitations", prevSentToThisProject);
Database.SaveChanges();
return;
break;
}
}
i.Project = Database.Projects.FirstOrDefault(p => p.Id == i.ProjectId);
Database.Invitations.Add(i);
Database.SaveChanges();
//sent email
MessageService.SendEmail(inviteeEmail, "Invitation to project", "InviteToProject",
new EmailDTO<Invitation>(i));
}
public void SendInvitation(string inviteeEmail, int senderId, int projectId)
{
var sender = Database.Users.First(u => u.Id == senderId);
var i = new Invitation
{
Sender = sender,
ProjectId = projectId
};
if (string.Compare(sender.Email, inviteeEmail, true) == 0)
throw new Exception("You can't invite yourself.");
IQueryable<Invitation> prevSentInvitations;
var possibleInvitee = Database.Users.FirstOrDefault(u => u.Email == inviteeEmail);
if (possibleInvitee != null)
{
//we have registered user with this email
i.Invitee = possibleInvitee;
prevSentInvitations = Database.Invitations.Where(o => o.Sender.Id == senderId &&
o.Invitee != null &&
o.Invitee.Id == possibleInvitee.Id);
}
else
{
//we don't have registered user. Send him invitation with proposition of registration
i.InviteeEmail = inviteeEmail;
prevSentInvitations = Database.Invitations.Where(o => o.Sender.Id == senderId &&
o.InviteeEmail == inviteeEmail);
}
AddOrResendInvitation(inviteeEmail, i, prevSentInvitations);
}
public void SendInvitation(int inviteeId, int senderId, int projectId)
{
if (inviteeId == senderId)
throw new Exception("You can't invite yourself.");
var sender = Database.Users.First(u => u.Id == senderId);
var invitee = Database.Users.First(u => u.Id == inviteeId);
var i = new Invitation
{
Invitee = invitee,
Sender = sender,
ProjectId = projectId
};
var prevSentInvitations = Database.Invitations.Where(o => o.Sender.Id == senderId &&
o.Invitee != null &&
o.Invitee.Id == invitee.Id);
AddOrResendInvitation(invitee.Email, i, prevSentInvitations);
}
public string ProcessInvitation(Invitation invitation, string verb, int userId)
{
string result = "Error";
switch (verb)
{
case "accept":
Database.TeamMates.Add(new TeamMate
{
ProjectId = invitation.ProjectId,
UserId = userId,
AccessLevel = invitation.AccessLevel
});
invitation.Status = InvitationStatus.Accepted;
result = "You have successfully accepted the invitation";
break;
case "decline":
invitation.Status = InvitationStatus.Declined;
result = "You have declined the invitation";
break;
case "block":
invitation.Status = InvitationStatus.Blocked;
result = "You will not receive more invitations from this user.";
break;
}
Database.SaveChanges();
return result;
}
