protected override void ProcessItem(IContent content)
{
Type typeOfContent = content.GetType();
string regexMatchText = string.Empty;
if (typeOfContent == typeof(TextContent))
{
regexMatchText = ((TextContent)content).Content;
}
else if (typeOfContent == typeof(HtmlContent))
{
regexMatchText = ((HtmlContent)content).Content.ToString();
}
else if (typeOfContent == typeof(XmlContent))
{
regexMatchText = ((XmlContent)content).Content.ToString();
}
if (!string.IsNullOrEmpty(regexMatchText))
{
List <TChild> childObjs = CheckForMatches(regexMatchText);
DataContext context = DataManager.GetDataContext <TParent>();
context.AddObjects(childObjs);
context.Save();
}
}
/// <summary>
/// Adds new artists to the database
/// </summary>
/// <param name="artists"></param>
public List <Artist> PopulateArtistObjects(IEnumerable <Artist> artists)
{
// get the context for artists
DataContext dataContext = DataManager.GetDataContext <Artist>();
// get list of existing artists in the db
List <Artist> existingArtists = dataContext.GetAll <Artist>(false);
List <Artist> artistsToAdd = new List <Artist>();
List <Artist> populatedArtists = new List <Artist>();
// go through the list of artists and find any that do not already exist in the db
foreach (Artist artist in artists)
{
if (!populatedArtists.Any(a => string.Compare(a.Name, artist.Name, true) == 0))
{
if (!existingArtists.Any(a => string.Compare(a.Name, artist.Name, true) == 0))
{
populatedArtists.Add(artist);
artistsToAdd.Add(artist);
}
else
{
populatedArtists.Add(existingArtists.First(a => string.Compare(a.Name, artist.Name, true) == 0));
}
}
}
// add any new artists found
if (artistsToAdd.Count > 0)
{
dataContext.AddObjects(artistsToAdd);
dataContext.Save();
}
return(populatedArtists);
}
/// <summary>
/// Adds a list of artists for a user
/// </summary>
/// <param name="userID">The ID of the user to add artists for</param>
/// <param name="artists">The list of artists to be added</param>
public void AddArtistsForUser(int userID, IEnumerable <Artist> artistNames)
{
// add records for any artists that do not already exist in the db
List <Artist> artists = PopulateArtistObjects(artistNames);
// get the datacontext for artists
DataContext dataContext = DataManager.GetDataContext <Artist>();
// get the existing artists for this user
IEnumerable <Artist> existingUserArtists = GetArtistsForUser(userID);
// create list of artists that do not already exist for this user
List <UserArtist> newUserArtists =
artists.Where(b => !existingUserArtists.Any(eua => string.Compare(eua.Name, b.Name, true) == 0))
.Select(b => new UserArtist()
{
UserID = userID, ArtistID = b.ID
})
.ToList();
// add the new artists and save
dataContext.AddObjects(newUserArtists);
dataContext.Save();
}