RecommendationRunner.java

/**
 * Write a description of RecommendationRunner here.
 *
 * @author (your name)
 * @version (a version number or a date)
 * extrance link:http://www.dukelearntoprogram.com/capstone/recommender.php?id=m10ZYHs7JxgOdD
 *
 */

import com.sun.org.apache.regexp.internal.RE;

import java.util.*;

public class RecommendationRunner implements Recommender {

    public ArrayList<String> getItemsToRate(){
        ArrayList<String> moviesToRate = new ArrayList<String>();

        String [] movies ={"1126590","1179031","1198156","1216491",
                "1361318","1408253","1430612","1441953",
                "1490017","1528100","1571249","1600196"};
        for(int i=0;i<12;i++){
            moviesToRate.add(movies[i]);
        }
        return moviesToRate;
    }

    public void printRecommendationsFor(String webRaterID){
        FourthRatings fr = new FourthRatings();
        int numSimilarRaters = 5;
        int minimalRaters = 3 ;

        ArrayList<Rating> recList = fr.getSimilarRatings(webRaterID,numSimilarRaters,minimalRaters);

        if(recList.size()==0){
            printError();
        }

        else{
            printUpperPart();
            int i=0;
            for(Rating r: recList){
                i++;
                if((i+1)%2 == 0){
                    System.out.println("<tr class=\"even_rows\"><td>" + i + "</td>");
                }
                else{
                    System.out.println("<tr class=\"odd_rows\"><td>" + i + "</td>");
                }

                String URL = MovieDatabase.getPoster(r.getItem());
                String title = MovieDatabase.getTitle(r.getItem());
                String director = MovieDatabase.getDirector(r.getItem());
                String country = MovieDatabase.getCountry(r.getItem());
                int year = MovieDatabase.getYear(r.getItem());
                String genre = MovieDatabase.getGenres(r.getItem());
                int minutes = MovieDatabase.getMinutes(r.getItem());

                System.out.println("<td><table><tr><td class = \"pic\">");

                if(URL.length()>3){
                    System.out.println("<img src = \""+URL+"\" target=_blank></td>");
                }

                System.out.println("<td><h3>"+ title+"</h3>");
                System.out.println("<b>by "+ genre+"</b><br>");
                System.out.println(year+"<br>");
                System.out.println(country+"<br>");
                System.out.println(minutes+" minutes</td></tr></table></td></tr>");
                if(i>12) break;
            }
            printLowerPart();

        }
    }

    private void printError(){
        System.out.println("This is system error, please try again!");
    }

    private void printUpperPart(){
        System.out.println("<link href=\"https://fonts.googleapis.com/css?family=Syncopate\" rel=\"stylesheet\"><link href=\"https://fonts.googleapis.com/css?family=Roboto|Syncopate\" rel=\"stylesheet\"><div id=\"header\"><h2>Recommended Movies:</h2></div><table class=\"outside_table\"><tr  class=\"table-header\"><th>&nbsp</th><th class=\"movie_title\">Title</th></tr>");
    }

    private void printCSS(){
        System.out.println("<style>* {margin: 0;padding: 0;}img{height: 100px;margin-right:10px;}#header{background-color: #F49F58;margin-top: 0;height: 100px;}h2{padding-left: 15px;padding-top: 40px;color: #FFFFFF;}h3{}body{margin-top: 0;font-family: 'Arial'}th{text-align: left;font-family: 'Arial', sans-serif;padding-top:15px;padding-bottom: 7px;}td{padding-top: 10px;padding-right: 10px;padding-left: 10px;padding-bottom: 5px;}tr{padding-bottom: 10px;}.table-header{background-color: #FFB97F;}.odd_rows{background-color: #FFE4CC;}.even_rows{background-color: #FFFFFF;}.outside_table{width: 100%;border-collapse: collapse;}.movie_title{width = 40%;}</style>");
    }

    private void printLowerPart(){
        System.out.println("</table>");
    }

    public static void main(String[] args) {
//        RecommendationRunner ref = new RecommendationRunner();
//        System.out.println(ref.getItemsToRate());
//        ref.printRecommendationsFor("65");
//        MovieRunnerSimilarRatings f = new MovieRunnerSimilarRatings();
////        f.printSimiliarRatingsByGenreAndMinutes("65");

//        MovieRunnerSimilarRatings ref = new MovieRunnerSimilarRatings();
//        ref.printSimiliarRatingsByDirector();
    }
}