public IEnumerable <NewsfeedResponseModel> GetUserFeed(string userId, int skip, int take)
{
var userFeedKey = GetEntryKey(FeedPrefix, userId);
List <NewsfeedResponseModel> responseItems = new List <NewsfeedResponseModel>();
var startIndex = skip;
var counter = 0;
using (var client = GetClientInstance())
{
var allPostIds = client.GetAllItemsFromSet(userFeedKey);
if (allPostIds != null && allPostIds.Count > 0)
{
IEnumerable <string> postIds;
if (allPostIds.Count > take)
{
postIds = allPostIds.Skip(skip).Take(take);
}
else
{
postIds = allPostIds.Take(take);
}
foreach (var postId in postIds)
{
//Read post from cache
var currentPost = wallPostRepo.GetPost(postId);
if (currentPost != null)
{
var userActionsOnPostKey = GetEntryKey(FeedPrefix, string.Concat(userId, ":", postId));
//10000 is just a random rank assumed to be the max events on a post
var userActionsOnPost = client.GetRangeFromSortedSet(userActionsOnPostKey, 0, 10000);
if (userActionsOnPost != null && userActionsOnPost.Count > 0)
{
var mappedActions = new List <NewsfeedAction>();
foreach (var action in userActionsOnPost)
{
var values = action.Split(':');
mappedActions.Add(new NewsfeedAction {
Action = (NewsfeedActionType)Convert.ToInt16(values[1]), By = values[0]
});
}
var totalCommentCount = commentCountRepo.GetCommentCount(currentPost.Id);
var totalLikeCount = entryLikeRepo.GetPostLikeCount(currentPost.Id);
var model = new NewsfeedResponseModel
{
Body = currentPost.Body,
CreatedDate = currentPost.CreatedDate,
Id = currentPost.Id,
ModifiedDate = currentPost.ModifiedDate,
PostedBy = currentPost.PostedBy,
PostType = currentPost.PostType,
WallOwner = new WallModel {
OwnerId = currentPost.TargetWall.Id, WallOwnerType = (WallType)currentPost.TargetWall.WallOwnerTypeId
},
FeedDescription = mappedActions,
LikeCount = totalLikeCount,
CommentCount = totalCommentCount
};
responseItems.Add(model);
counter++;
if (counter == take)
{
break;
}
}
else
{
client.RemoveItemFromSet(userFeedKey, postId);
client.RemoveEntry(userActionsOnPostKey);
}
}
else
{
client.RemoveItemFromSet(userFeedKey, postId);
}
}
}
return(responseItems);
}
}
public IEnumerable <NewsfeedResponseModel> GetUserFeed(string userId, int skip, int take)
{
var userFeedKey = GetEntryKey(FeedPrefix, userId);
List <NewsfeedResponseModel> responseItems = new List <NewsfeedResponseModel>();
var startIndex = skip;
var counter = 0;
var db = StackExchangeRedisConnectionProvider.GetDataBase();
var allPostIds = db.SetMembers(userFeedKey).ToList();
if (allPostIds != null && allPostIds.Count > 0)
{
IEnumerable <RedisValue> postIds;
if (allPostIds.Count > take)
{
postIds = allPostIds.Skip(skip).Take(take);
}
else
{
postIds = allPostIds.Take(take);
}
foreach (var postId in postIds)
{
//Read post from cache
var currentPost = wallPostRepo.GetPost(postId);
if (currentPost != null)
{
var userActionsOnPostKey = GetEntryKey(FeedPrefix, string.Concat(userId, ":", postId));
//10000 is just a random rank assumed to be the max events on a post
var userActionsOnPost = db.SortedSetRangeByScoreWithScores(userActionsOnPostKey, 0, 10000);
if (userActionsOnPost != null && userActionsOnPost.Length > 0)
{
var mappedActions = new List <NewsfeedAction>();
foreach (var action in userActionsOnPost)
{
var values = action.Element.ToString().Split(':');
mappedActions.Add(new NewsfeedAction {
Action = (NewsfeedActionType)Convert.ToInt16(values[1]), By = values[0]
});
}
var totalCommentCount = commentCountRepo.GetCommentCount(currentPost.Id);
var totalLikeCount = entryLikeRepo.GetPostLikeCount(currentPost.Id);
var model = new NewsfeedResponseModel
{
Body = currentPost.Body,
CreatedDate = currentPost.CreatedDate,
Id = currentPost.Id,
ModifiedDate = currentPost.ModifiedDate,
PostedBy = currentPost.PostedBy,
PostType = currentPost.PostType,
WallOwner = new WallModel {
OwnerId = currentPost.TargetWall.Id, WallOwnerType = (WallType)currentPost.TargetWall.WallOwnerTypeId
},
FeedDescription = mappedActions,
LikeCount = totalLikeCount,
CommentCount = totalCommentCount
};
responseItems.Add(model);
counter++;
if (counter == take)
{
break;
}
}
else
{
db.SetRemove(userFeedKey, postId);
db.KeyDelete(userActionsOnPostKey);
}
}
else
{
db.SetRemove(userFeedKey, postId);
}
}
}
return(responseItems);
}