public bool FollowUser(string followedUserName, string followingUserName)
{
var userFollowing = GetUserWithName(followingUserName);
if (userFollowing == null)
{
return false;
}
var userToFollow = GetUserWithName(followedUserName);
if (IsFollowing(userFollowing, userToFollow))
{
return false;
}
var friendship = new Relationship()
{
SourceUser = userFollowing,
DestinationUser = userToFollow,
RelationshipType = RelationshipType.Friendship,
TimeStamp = DateTime.Now,
Active = true
};
using (var transaction = _context.Database.BeginTransaction())
{
_context.Relationships.Add(friendship);
_context.SaveChanges();
friendship.AddNotifications();
_context.SaveChanges();
transaction.Commit();
}
return true;
}
private ActionResult GetRelationshipNotificationPartialView(Relationship relationship, bool seen)
{
var model = GetRelationshipNotificationModel(relationship, seen);
return PartialView("RelationshipNotification", model);
}
private FollowedNotificationViewModel.FollowTypeEnum GetRelationshipNotificationType(Relationship relationship, string currentUser)
{
var type = FollowedNotificationViewModel.FollowTypeEnum.NotCurrentUser;
if (IsCurrentUser(relationship.SourceUser.UserName))
{
type = FollowedNotificationViewModel.FollowTypeEnum.CurrentUserFollowing;
}
else if (IsCurrentUser(relationship.DestinationUser.UserName))
{
type = FollowedNotificationViewModel.FollowTypeEnum.CurrentUserFollowed;
}
else if (_notificationsService.IsCurrentFollowing(relationship.SourceUser.UserName) || _notificationsService.IsCurrentFollowing(relationship.DestinationUser.UserName))
{
type = FollowedNotificationViewModel.FollowTypeEnum.FriendRelationship;
}
return type;
}
private FollowedNotificationViewModel GetRelationshipNotificationModel(Relationship relationship, bool seen)
{
var currentUser = _notificationsService.GetCurrentUserName();
FollowedNotificationViewModel.FollowTypeEnum type = GetRelationshipNotificationType(relationship, currentUser);
var model = new FollowedNotificationViewModel(relationship, seen)
{
FollowedBy = GetProfileFor(relationship.SourceUser),
UserFollowed = GetProfileFor(relationship.DestinationUser),
TimeStamp = relationship.TimeStamp,
FollowType = type
};
return model;
}