public async Task <IActionResult> ApplyFollowAction(string contentItemId, string returnUrl)
{
var targetContentItem = await _contentManager.GetAsync(contentItemId, VersionOptions.Published);
if (targetContentItem == null)// || !contentItem.Has(nameof(FollowActionPart)) )
{
// return NotFound();
return(Redirect(returnUrl));
}
if (User == null)
{
// return NotFound();
return(Redirect(returnUrl));
}
var currentVote = (await _votingStore.GetAsync(vote =>
vote.User == User.Identity.Name &&
vote.CorrelationId == targetContentItem.ContentItemId &&
vote.Dimension == Constants.DimensionFollow)).FirstOrDefault();
//also update in content item part so part driver does not require extra queiry
var followingPart = targetContentItem.As <FollowPart>();
if (followingPart == null)
{
var newPart = targetContentItem.Weld(new FollowPart()
{
IsFollowing = false
});
targetContentItem.Apply(newPart);
}
var actualFollowingPart = targetContentItem.As <FollowPart>();
string successMessage;
if (currentVote != null)
{
//already following . so unfollow
await _votingStore.DeleteAsync(currentVote);
actualFollowingPart.IsFollowing = false;
successMessage = "Removed from Following.";
}
else
{
//add new vote
var vote = new VoteItem
{
User = User.Identity.Name,
CorrelationId = targetContentItem?.ContentItemId,
Value = 1,
Dimension = Constants.DimensionFollow,
CreatedUtc = _clock.UtcNow,
Hostname = _httpContextAccessor.HttpContext.Connection.RemoteIpAddress.ToString()
};
await _votingStore.SaveAsync(vote);
actualFollowingPart.IsFollowing = true;
successMessage = "Added to Following.";
//favoritePart.IsFavorite = true;
// _votingStore.Vote(content, currentUser.UserName, _httpContextAccessor.Current().Request.UserHostAddress, 1, Constants.Dimension);
}
targetContentItem.Apply(actualFollowingPart);
_session.Save(targetContentItem);
_notifier.Success(T[successMessage]);
//log notification
await _notificationEventHandlers.InvokeAsync(eventdata => eventdata.LogNotificationAsync(
"Follow",
User.Identity.Name,
targetContentItem?.ContentItemId,
"Followed by user",
$"{User.Identity.Name} followed you"),
Logger);
//send realtime notification to receiver
//push notification to follower about number of his/her FollowerNotification.
await _pushNotificationService.RefreshUserFollowersNotification(targetContentItem?.ContentItemId);
if (returnUrl == null)
{
// return RedirectToAction("Edit", new RouteValueDictionary { { "ContentItemId", contentItem.ContentItemId } });
return(LocalRedirect("/"));
}
// else if (stayOnSamePage)
// {
// return RedirectToAction("Edit", new RouteValueDictionary { { "ContentItemId", contentItem.ContentItemId }, { "returnUrl", returnUrl } });
// }
return(LocalRedirect(returnUrl));
}