public void UpdateTags()
{
char[] sep = { ',' };
List <VideoTag> tags = this.VideoTag;
string[] NewTags = this.Tags.Split(sep);
string FormatedTags = string.Empty;
List <string> TrimmedTags = new List <string>();
List <string> DedupedTags = new List <string>();
//1. Trim all tags
for (int i = 0; i < NewTags.Length; i++)
{
if (NewTags[i].Trim() != string.Empty)
{
TrimmedTags.Add(NewTags[i].Trim());
}
}
//2. dedupe the list
for (int i = 0; i < TrimmedTags.Count; i++)
{
bool Duplicate = false;
for (int j = 0; j < DedupedTags.Count; j++)
{
if (DedupedTags[j] == TrimmedTags[i])
{
Duplicate = true;
}
}
if (!Duplicate)
{
// make sure isnt a blank string
if (FormatedTags != string.Empty)
{
FormatedTags += ", ";
}
DedupedTags.Add(TrimmedTags[i]);
FormatedTags += TrimmedTags[i];
}
}
//3. remove all the tags that arent in the new set
for (int i = 0; i < tags.Count; i++)
{
bool Delete = true;
for (int j = 0; j < DedupedTags.Count; j++)
{
if (DedupedTags[j] == tags[i].Tag)
{
Delete = false;
}
}
if (Delete)
{
tags[i].Delete();
}
}
// 4. insert new tags
for (int j = 0; j < DedupedTags.Count; j++)
{
bool Insert = true;
for (int i = 0; i < tags.Count; i++)
{
if (DedupedTags[j] == tags[i].Tag)
{
Insert = false;
}
}
if (Insert)
{
VideoTag VideoTag = new VideoTag();
VideoTag.VideoID = this.VideoID;
VideoTag.DTCreated = DateTime.Now;
VideoTag.Tag = DedupedTags[j];
VideoTag.Save();
}
}
this.Tags = FormatedTags;
}
/// <summary>
/// Takes an prepopulated IDataReader and creates an array of VideoTags
/// </summary>
public static List<VideoTag> PopulateObject(IDataReader dr)
{
ColumnFieldList list = new ColumnFieldList(dr);
List<VideoTag> arr = new List<VideoTag>();
VideoTag obj;
while (dr.Read())
{
obj = new VideoTag();
if (list.IsColumnPresent("VideoTagID")) { obj._videoTagID = (int)dr["VideoTagID"]; }
if (list.IsColumnPresent("VideoID")) { obj._videoID = (int)dr["VideoID"]; }
if (list.IsColumnPresent("Tag")) { obj._tag = (string)dr["Tag"]; }
if (list.IsColumnPresent("DTCreated")) { obj._dTCreated = (DateTime)dr["DTCreated"]; }
arr.Add(obj);
}
dr.Close();
return arr;
}
public void UpdateTags()
{
char[] sep = { ',' };
List<VideoTag> tags = this.VideoTag;
string[] NewTags = this.Tags.Split(sep);
string FormatedTags = string.Empty;
List<string> TrimmedTags = new List<string>();
List<string> DedupedTags = new List<string>();
//1. Trim all tags
for (int i = 0; i < NewTags.Length; i++)
{
if (NewTags[i].Trim() != string.Empty)
{
TrimmedTags.Add(NewTags[i].Trim());
}
}
//2. dedupe the list
for (int i = 0; i < TrimmedTags.Count; i++)
{
bool Duplicate = false;
for (int j = 0; j < DedupedTags.Count; j++)
{
if (DedupedTags[j] == TrimmedTags[i])
{
Duplicate = true;
}
}
if (!Duplicate)
{
// make sure isnt a blank string
if (FormatedTags != string.Empty)
{
FormatedTags += ", ";
}
DedupedTags.Add(TrimmedTags[i]);
FormatedTags += TrimmedTags[i];
}
}
//3. remove all the tags that arent in the new set
for (int i = 0; i < tags.Count; i++)
{
bool Delete = true;
for (int j = 0; j < DedupedTags.Count; j++)
{
if (DedupedTags[j] == tags[i].Tag)
{
Delete = false;
}
}
if (Delete)
{
tags[i].Delete();
}
}
// 4. insert new tags
for (int j = 0; j < DedupedTags.Count; j++)
{
bool Insert = true;
for (int i = 0; i < tags.Count; i++)
{
if (DedupedTags[j] == tags[i].Tag)
{
Insert = false;
}
}
if (Insert)
{
VideoTag VideoTag = new VideoTag();
VideoTag.VideoID = this.VideoID;
VideoTag.DTCreated = DateTime.Now;
VideoTag.Tag = DedupedTags[j];
VideoTag.Save();
}
}
this.Tags = FormatedTags;
}
