public static void ReadRatings( User[] users, Movie[] movies, string path )
{
using( TextReader r = File.OpenText( path ) )
{
string line;
while( (line = r.ReadLine()) != null )
{
string[] cells = line.Split( CellSeparator, StringSplitOptions.None );
int idUser = int.Parse( cells[0] );
int idMovie = int.Parse( cells[1] );
if( idMovie >= 0 && idMovie < movies.Length
&& idUser >= 0 && idUser < users.Length )
{
users[idUser].Ratings.Add( movies[idMovie], int.Parse( cells[2] ) );
}
}
}
}
public static void ReadMovies( string path, out Dictionary<int, Movie> first, out Dictionary<int, List<Movie>> duplicates )
{
first = new Dictionary<int, Movie>();
duplicates = new Dictionary<int, List<Movie>>();
using( TextReader r = File.OpenText( path ) )
{
string line;
while( (line = r.ReadLine()) != null )
{
Movie exists, u = new Movie( line );
if( first.TryGetValue( u.MovieID, out exists ) )
{
List<Movie> list;
if( !duplicates.TryGetValue( u.MovieID, out list ) )
{
list = new List<Movie>();
duplicates.Add( u.MovieID, list );
}
list.Add( u );
}
else first.Add( u.MovieID, u );
}
}
}