private void GenerateVideoWeighting()
{
//get videos user hasn't watched yet
foreach (DataRow dr in Unwatched.Rows)
{
int x = 0;
if (Int32.TryParse(dr["VideoId"].ToString(), out x))
{
DataTable dt = SQL.GetVideoTags(x);
//get tags of each video
VideoWeight vw = new VideoWeight(dr["VideoName"].ToString(), 0, 0, 0);
foreach (DataRow tdr in dt.Rows)
{
int y = 0;
if (Int32.TryParse(tdr["Tag_TagId"].ToString(), out y))
{
//get name from datarow
foreach (UserProfileListItem uli in UserProfileTagList)
{ // if tag ids match 0 = tagId
if (uli.Tag == y)
{
vw.Weight += uli.Occurance;
}
}
}
}
VideoWeights.Add(vw);
}
}
}
private void GenerateVideoMetrics()
{
//get all video records that user hasn't watched
if (Unwatched.Rows.Count > 0)
{
foreach (DataRow dr in Unwatched.Rows)
{
int awt = 0;
Int32.TryParse(dr["AverageWatchTime"].ToString(), out awt);
int pl = 0;
Int32.TryParse(dr["PercentageLiked"].ToString(), out pl);
VideoWeight vp = new VideoWeight(dr["VideoName"].ToString(), -1, -1, awt, pl);
vp.Metric = (vp.AverageWatchTime + (vp.PercentageLiked / 100)) / 60; //
RecommendedVideos.Add(vp);
}
}
RecommendedVideos = RecommendedVideos.OrderByDescending(v => v.Metric).ToList();
}
