public async Task <JsonResult> HasLikedPageAsync(string contentLink,
bool increasePointsIfLiked = false)
{
FacebookPostPage content = context.FacebookPostPages.SingleOrDefault(c => c.Link == contentLink);
string accessToken = CurrentUser.AccessTokens.First(a => a.Provider == "Facebook").AccessTokenValue;
List <string> likers = await content.GetLikersAsync(accessToken);
bool hasLiked = likers.Any(liked => liked == content.PageId);
if (hasLiked && increasePointsIfLiked)
{
lock (CurrentUser)
{
CurrentUser.Points += 10;
}
await context.SaveChangesAsync();
}
return(Json(hasLiked, JsonRequestBehavior.AllowGet));
}
public async Task <JsonResult> GetNumberOfLikes(string link, int numberOfPrevLikes = 0, bool increasePoints = false)
{
FacebookPostPage page = context.FacebookPostPages
.FirstOrDefault(c => c.Link == link);
int count = await page.GetNumberOfLikes();
if (increasePoints)
{
if (count > numberOfPrevLikes)
{
lock (CurrentUser)
{
CurrentUser.Points += 10;
context.SaveChangesAsync();
}
}
}
return(Json(count, JsonRequestBehavior.AllowGet));
}
public async Task <ActionResult> AddPageAsync(FacebookPostPage page, FormCollection form)
{
page.ApplicationUser = CurrentUser;
if (page.ApplicationUser.Points - page.Points < 0)
{
ModelState.AddModelError("points", "You do not have enough points, Please earn points");
}
if (ModelState.IsValid)
{
context.FacebookPostPages.Add(page);
lock (page.ApplicationUser) {
page.ApplicationUser.Points -= (int)page.Points;
}
await context.SaveChangesAsync();
return(RedirectToAction("Pages"));
}
return(View(page));
}