private void UpdateIsLiked(PostedItemViewModel postedItemViewModel, string userId = null)
{
if (postedItemViewModel == null)
{
return;
}
if (!string.IsNullOrEmpty(userId) && postedItemViewModel.OpinionsTokenized != null)
{
Dictionary <string, int> opinions = JsonConvert.DeserializeObject <Dictionary <string, int> >(postedItemViewModel.OpinionsTokenized);
if (opinions == null || opinions.Count == 0 || !opinions.ContainsKey(userId))
{
postedItemViewModel.IsLiked = null;
}
else
{
postedItemViewModel.IsLiked = opinions[userId] == 1 ? true : opinions[userId] == -1 ? default(bool?) : false;
}
}
else
{
postedItemViewModel.IsLiked = null;
}
}
/// <summary>
/// Idea is from here : https://msdn.microsoft.com/en-us/library/mt679037.aspx
/// </summary>
/// <param name="postedItem"></param>
/// <returns></returns>
public static PostedItemViewModel Convert(PostedItem postedItem, string userId = null)
{
object obj = (object)_usedOnlyForLocking;
System.Threading.Monitor.Enter(obj);
try
{
var viewModel = new PostedItemViewModel
{
Title = postedItem.Title,
Id = postedItem.Id,
ApplicationUserId = postedItem.ApplicationUserId,
OpinionsTokenized = postedItem.OpinionsTokenized,
PhotoUrl = postedItem.PhotoUrl,
VideoSourceUrl = postedItem.VideoSourceUrl,
Slug = postedItem.Slug,
Source = postedItem.Source,
MetadataKeywords = string.Join(",", postedItem.Tags.Select(t => t.Name)),
TagsTokenized = postedItem.TagsTokenized,
TotalDislike = postedItem.TotalDislike,
TotalLike = postedItem.TotalLike,
Updated = postedItem.Updated
};
UpdateIsLiked(viewModel, postedItem, userId);
return(viewModel);
}
finally
{
System.Threading.Monitor.Exit(obj);
}
}
public async Task AddPostedItemToCache(string key, PostedItemViewModel postedItem)
{
if (String.IsNullOrEmpty(key) || postedItem == null)
{
return;
}
await RemovePostedItemFromCache(key);
await Cache.StringSetAsync(SafePostedItemKey(key), JsonConvert.SerializeObject(postedItem), TimeSpan.FromDays(7));
}
private static void UpdateIsLiked(PostedItemViewModel postedItemViewModel, PostedItem postedItem, string userId = null)
{
if (string.IsNullOrEmpty(userId))
{
return;
}
if (!postedItem.Opinions.Any(o => o.ApplicationUser.Id == userId) || postedItem.Opinions.Any(o => o.ApplicationUser.Id == userId && o.OpinionType == OpinionType.NoOpinion))
{
postedItemViewModel.IsLiked = default(bool?);
}
else
{
postedItemViewModel.IsLiked = postedItem.Opinions.Any(o => o.ApplicationUser.Id == userId && o.OpinionType == OpinionType.Like);
}
}
public ActionResult RenderPostedItemPartial(PostedItemViewModel postedItemViewModel)
{
var userId = System.Web.HttpContext.Current.User.Identity.GetUserId();
return(PartialView("_PostedItemCardPartial", postedItemViewModel));
}
private async Task <PostedItemWrapperViewModel> GetPostedItemWrapperViewModel(PostedItemViewModel postedItem, string userId)
{
var postedItemWrapperViewModel = new PostedItemWrapperViewModel();
postedItemWrapperViewModel.MainPostedItemViewModel = postedItem;
if (postedItem.Tags != null && postedItem.Tags.Length > 0)
{
var relatedPosts = await _azureSearchService.Search(string.Join(" ", postedItem.Tags), 1, userId, true, true, 4);
postedItemWrapperViewModel.RelatedPostedItems = relatedPosts.Where(r => r.Id != postedItem.Id).ToList();
}
return(postedItemWrapperViewModel);
}
