csns.importer.parser.MFTScoreParser.java Source code

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Here is the source code for csns.importer.parser.MFTScoreParser.java

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/*
 * This file is part of the CSNetwork Services (CSNS) project.
 * 
 * Copyright 2013, Chengyu Sun (csun@calstatela.edu).
 * 
 * CSNS is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Affero General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option)
 * any later version.
 * 
 * CSNS is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
 * more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with CSNS. If not, see http://www.gnu.org/licenses/agpl.html.
 */
package csns.importer.parser;

import java.util.Date;
import java.util.List;
import java.util.Scanner;
import java.util.Stack;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import csns.importer.MFTScoreImporter;
import csns.model.academics.Department;
import csns.model.assessment.MFTScore;
import csns.model.assessment.dao.MFTScoreDao;
import csns.model.core.User;
import csns.model.core.dao.UserDao;

@Component
public class MFTScoreParser {

    @Autowired
    private UserDao userDao;

    @Autowired
    private MFTScoreDao mftScoreDao;

    private static final Logger logger = LoggerFactory.getLogger(MFTScoreParser.class);

    public void parse(MFTScoreImporter importer) {
        Department department = importer.getDepartment();
        Date date = importer.getDate();

        Scanner scanner = new Scanner(importer.getText());
        scanner.useDelimiter("\\s+|\\r\\n|\\r|\\n");
        while (scanner.hasNext()) {
            // last name
            String lastName = scanner.next();
            while (!lastName.endsWith(","))
                lastName += " " + scanner.next();
            lastName = lastName.substring(0, lastName.length() - 1);

            // first name
            String firstName = scanner.next();

            // score
            Stack<String> stack = new Stack<String>();
            String s = scanner.next();
            while (!isScore(s)) {
                stack.push(s);
                s = scanner.next();
            }
            int value = Integer.parseInt(s);

            // authorization code
            stack.pop();

            // cin
            String cin = null;
            if (!stack.empty() && isCin(stack.peek()))
                cin = stack.pop();

            // user
            User user = null;
            if (cin != null)
                user = userDao.getUserByCin(cin);
            else {
                List<User> users = userDao.getUsers(lastName, firstName);
                if (users.size() == 1)
                    user = users.get(0);
            }

            if (user != null) {
                MFTScore score = mftScoreDao.getScore(department, date, user);
                if (score == null) {
                    score = new MFTScore();
                    score.setDepartment(department);
                    score.setDate(date);
                    score.setUser(user);
                } else {
                    logger.info(user.getId() + ": " + score.getValue() + " => " + value);
                }
                score.setValue(value);
                importer.getScores().add(score);
            } else {
                User failedUser = new User();
                failedUser.setLastName(lastName);
                failedUser.setFirstName(firstName);
                failedUser.setCin(cin);
                importer.getFailedUsers().add(failedUser);
            }

            logger.debug(lastName + "," + firstName + "," + cin + "," + value);
        }

        scanner.close();
    }

    public boolean isCin(String s) {
        return s.matches("\\d{9}");
    }

    private boolean isScore(String s) {
        return s.matches("\\d{3}");
    }

}