public void RemoveEvent(NewsfeedEventModel entry, IEnumerable <string> followers)
{
var activityEntry = MapToActivity(entry);
var keys = MapRedisKeys(entry.ReferencePostId, followers);
var isPostRemoval = entry.ActionType == NewsfeedActionType.wallpost;
var transaction = StackExchangeRedisConnectionProvider.GetTransaction();
if (isPostRemoval)
{
foreach (var key in keys)
{
transaction.SetRemoveAsync(key.PostFeedKey, entry.ReferencePostId);
transaction.KeyDeleteAsync(key.PostActionsKey);
}
}
else
{
foreach (var key in keys)
{
transaction.SortedSetDecrementAsync(key.PostActionsKey, activityEntry, 1);
transaction.SortedSetRemoveRangeByScoreAsync(key.PostActionsKey, -10, 0);
}
}
transaction.Execute();
}
private IEnumerable <NewsfeedEventModel> MapInitialFeed(IEnumerable <GetInitialFeedPosts_Result> procResult)
{
var retVal = new List <NewsfeedEventModel>();
foreach (var record in procResult)
{
var model = new NewsfeedEventModel();
model.ReferencePostId = record.Id;
model.By = record.EventBy;
model.ActionType = (NewsfeedActionType)Enum.Parse(typeof(NewsfeedActionType), record.EventDetail);
retVal.Add(model);
}
return(retVal);
}
public void AddEvent(NewsfeedEventModel entry, IEnumerable <string> followers)
{
var activityEntry = MapToActivity(entry);
var keys = MapRedisKeys(entry.ReferencePostId, followers);
var transaction = StackExchangeRedisConnectionProvider.GetTransaction();
foreach (var key in keys)
{
transaction.SetAddAsync(key.PostFeedKey, entry.ReferencePostId);
transaction.SortedSetIncrementAsync(key.PostActionsKey, activityEntry, 1);
}
transaction.Execute();
}
public void RemovePost(NewsfeedItem newsFeedEntry)
{
var followers = GetFollowers(newsFeedEntry.By, newsFeedEntry.WallOwner);
if (followers.Any())
{
var newsFeedCacheModel = new NewsfeedEventModel
{
By = newsFeedEntry.By,
ActionType = newsFeedEntry.FeedType,
ReferencePostId = newsFeedEntry.ReferencePostId
};
feedCacheRepo.RemoveEvent(newsFeedCacheModel, followers);
}
}
private string MapToActivity(NewsfeedEventModel newsFeedEntry)
{
return(string.Concat(newsFeedEntry.By, ":", (short)newsFeedEntry.ActionType));
}
