private void UpdateMixTokRanks()
{
// The min age a clip can be.
TimeSpan s_minClipAge = new TimeSpan(0, 10, 0);
// For each clip, update the rank
DateTime nowUtc = DateTime.UtcNow;
foreach (KeyValuePair <string, MixerClip> p in m_clipMine)
{
MixerClip clip = p.Value;
// Compute the view rank
double viewRank = (double)clip.ViewCount;
// Decay the view rank by time
TimeSpan age = (nowUtc - clip.UploadDate);
// Clamp by the min age to give all clips some time
// to pick up viewers.
if (age < s_minClipAge)
{
age = s_minClipAge;
}
double decayedRank = viewRank / (Math.Pow(age.TotalDays, 1.5));
clip.MixTokRank = decayedRank;
}
}
private void InsertSort(ref LinkedList <MixerClip> list, MixerClip c, ClipMineSortTypes type)
{
LinkedListNode <MixerClip> node = list.First;
while (node != null)
{
bool result = false;
switch (type)
{
case ClipMineSortTypes.MostRecent:
result = c.UploadDate > node.Value.UploadDate;
break;
case ClipMineSortTypes.MixTokRank:
result = c.MixTokRank > node.Value.MixTokRank;
break;
default:
case ClipMineSortTypes.ViewCount:
result = c.ViewCount > node.Value.ViewCount;
break;
}
if (result)
{
list.AddBefore(node, c);
return;
}
node = node.Next;
}
list.AddLast(c);
}
public List <MixerClip> GetClips(ClipMineSortTypes sortType,
int limit = 100,
DateTime?fromTime = null, DateTime?toTime = null,
int?ViewCountMin = null,
int?channelIdFilter = null, string channelName = null, int?hypeZoneChannelId = null,
bool?currentlyLive = null, bool?partnered = null,
string gameTitle = null, int?gameId = null,
string languageFilter = null)
{
// Get the pre-sorted list we want.
LinkedList <MixerClip> list;
object lockObj;
switch (sortType)
{
default:
case ClipMineSortTypes.ViewCount:
list = m_viewCountSortedList;
lockObj = m_viewCountSortedLock;
break;
case ClipMineSortTypes.MixTokRank:
list = m_mixTockSortedList;
lockObj = m_mixTockSortedLock;
break;
case ClipMineSortTypes.MostRecent:
list = m_mostRecentList;
lockObj = m_mostRecentSortedLock;
break;
}
List <MixerClip> output = new List <MixerClip>();
// Lock the list so it doesn't change while we are using it.
lock (lockObj)
{
// Go through the current sorted list from the highest to the lowest.
// Apply the filtering and then build the output list.
LinkedListNode <MixerClip> node = list.First;
while (output.Count < limit && node != null)
{
// Get the node and advance here, becasue this will continue early
// if the search filters it out.
MixerClip c = node.Value;
node = node.Next;
if (channelIdFilter.HasValue)
{
// Check if this is the channel we want.
if (c.Channel.Id != channelIdFilter.Value)
{
continue;
}
}
if (!String.IsNullOrWhiteSpace(channelName))
{
// Check if the channel name has the current filter.
if (c.Channel.Name.IndexOf(channelName, 0, StringComparison.InvariantCultureIgnoreCase) == -1)
{
continue;
}
}
if (!String.IsNullOrWhiteSpace(gameTitle))
{
// Check if the game title has the current filter string.
if (c.GameTitle.IndexOf(gameTitle, 0, StringComparison.InvariantCultureIgnoreCase) == -1)
{
continue;
}
}
if (gameId.HasValue)
{
if (c.TypeId != gameId)
{
continue;
}
}
if (fromTime.HasValue)
{
// Check if this is in the time range we want.
if (c.UploadDate < fromTime.Value)
{
continue;
}
}
if (toTime.HasValue)
{
// Check if this is in the time range we want.
if (c.UploadDate > toTime.Value)
{
continue;
}
}
if (ViewCountMin.HasValue)
{
if (c.ViewCount < ViewCountMin)
{
continue;
}
}
if (partnered.HasValue)
{
if (partnered.Value != c.Channel.Partnered)
{
continue;
}
}
if (currentlyLive.HasValue)
{
if (currentlyLive.Value != c.Channel.Online)
{
continue;
}
}
if (hypeZoneChannelId.HasValue)
{
if (hypeZoneChannelId.Value != c.HypeZoneChannelId)
{
continue;
}
}
if (!String.IsNullOrWhiteSpace(languageFilter))
{
if (!c.Channel.Language.Equals(languageFilter, StringComparison.OrdinalIgnoreCase))
{
continue;
}
}
// If we got to then end this didn't get filtered.
// So add it.
output.Add(c);
}
}
return(output);
}
public void UpdateFromNewer(MixerClip fresh)
{
ViewCount = fresh.ViewCount;
Channel.UpdateFromNewer(fresh.Channel);
}