/javaProject/src/models/Books.java

package models;



import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;



import com.google.gson.Gson;

import com.google.gson.JsonObject;

import com.mongodb.BasicDBObject;

import com.mongodb.DB;

import com.mongodb.DBCollection;

import com.mongodb.DBObject;

import com.mongodb.util.JSON;



import config.MongoConnector;

import dto.ArXivDTO;

import dto.CoreDTO;

import dto.GoogleDTO;

import dto.IsbnBdDTO;

import dto.OpenDTO;



public class Books

{

    private String coleccion;

    private CoreDTO core;

    private ArXivDTO arxiv;

    private GoogleDTO googleDTO;

    private IsbnBdDTO isbnBooks;

    private OpenDTO openLibrary;



    public Books( String coleccion )

    {

        int cambio = Integer.parseInt( coleccion );

        switch( cambio )

        {

            case BasesConstantes.COREINT:

                core = new CoreDTO( );

                break;

            case BasesConstantes.ARXIVINT:

                arxiv = new ArXivDTO( );

                break;

            case BasesConstantes.GOOGLEBOOKSINT:

                googleDTO = new GoogleDTO( );

                break;

            case BasesConstantes.OPENLIBRARYINT:

                openLibrary = new OpenDTO( );

                break;

            case BasesConstantes.ISBNDTOINT:

                isbnBooks = new IsbnBdDTO( );

           break;

            default:

                break;

        }



    }   

    



    public OpenDTO getOpenLibrary( )

    {

        return openLibrary;

    }



    public void setOpenLibrary( OpenDTO openLibrary )

    {

        this.openLibrary = openLibrary;

    }



    public String getColeccion( )

    {

        return coleccion;

    }



    public void setColeccion( String coleccion )

    {

        this.coleccion = coleccion;

    }



    public IsbnBdDTO getIsbnBooks( )

    {

        return isbnBooks;

    }



    public void setIsbnBooks( IsbnBdDTO isbnBooks )

    {

        this.isbnBooks = isbnBooks;

    }



    public GoogleDTO getGoogleBooks( )

    {

        return googleDTO;

    }



    public void setGoogleBooks( GoogleDTO googleBooks )

    {

        this.googleDTO = googleBooks;

    }



    public CoreDTO getCore( )

    {

        return core;

    }



    public void setCore( CoreDTO core )

    {

        this.core = core;

    }



    public ArXivDTO getArxiv( )

    {

        return arxiv;

    }



    public void setArxiv( ArXivDTO arxiv )

    {

        this.arxiv = arxiv;

    }



    public static boolean saveBook( Books newBook )

    {

        MongoConnector mc = MongoConnector.getInstance( );

        DB bdConex = mc.getMongoDB( );

        DBCollection booksCollection = bdConex.getCollection( MongoConnector.BOOKS_COLLECTION );

        Gson json = new Gson( );

        Object obj = JSON.parse( json.toJson( newBook ) );

        DBObject objeto = ( DBObject )obj;

        booksCollection.insert( objeto );

        return objeto.get( "_id" ) != null ? true : false;

    }



    public static List<JSON> libros( BasicDBObject query )

    {

        MongoConnector mc = MongoConnector.getInstance( );

        DB bdConex = mc.getMongoDB( );

        DBCollection booksCollection = bdConex.getCollection( MongoConnector.BOOKS_COLLECTION );

        List<JSON> primerosCincuenta = new ArrayList<JSON>( );

        List<DBObject> found = booksCollection.find( query ).limit( 50 ).toArray( );

        for( Iterator<DBObject> iterator = found.iterator( ); iterator.hasNext( ); )

        {

            DBObject dbObject = iterator.next( );

            primerosCincuenta.add( ( JSON )JSON.parse( dbObject.toString( ) ) );

        }

        return primerosCincuenta;

    }



    public static long cantidadLibros( )

    {

        MongoConnector mc = MongoConnector.getInstance( );

        DB bdConex = mc.getMongoDB( );

        DBCollection booksCollection = bdConex.getCollection( MongoConnector.BOOKS_COLLECTION );

        return booksCollection.count( );

    }

    

    public static JsonObject getStatistics(){

        MongoConnector mc = MongoConnector.getInstance( );

        DB bdConex = mc.getMongoDB( );

        DBCollection booksCollection = bdConex.getCollection( MongoConnector.BOOKS_COLLECTION );

        

        BasicDBObject query = new BasicDBObject();

        query.put("coleccion", "");

        

        JsonObject response = new JsonObject();

        

        String[] collections = {BasesConstantes.ARXIV,BasesConstantes.CORE,BasesConstantes.GOOGLEBOOKS,BasesConstantes.ISBNDTO,BasesConstantes.OPENLIBRARY};

        for( int i = 0; i < collections.length; i++ )

        {

            query.put("coleccion", collections[i]);

            response.addProperty( collections[i], booksCollection.count( query ) );

        }

        

        return response;

    }



}