com.idetronic.subur.service.impl.ItemAuthorLocalServiceImpl.java Source code

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Here is the source code for com.idetronic.subur.service.impl.ItemAuthorLocalServiceImpl.java

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/**
 * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library 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 Lesser General Public License for more
 * details.
 */

package com.idetronic.subur.service.impl;

import java.util.Arrays;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.exception.SystemException;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.workflow.WorkflowConstants;
import com.idetronic.subur.NoSuchAuthorException;
import com.idetronic.subur.model.Author;
import com.idetronic.subur.model.ItemAuthor;
import com.idetronic.subur.service.AuthorLocalServiceUtil;
import com.idetronic.subur.service.ItemAuthorLocalServiceUtil;
import com.idetronic.subur.service.base.ItemAuthorLocalServiceBaseImpl;
import com.idetronic.subur.service.persistence.ItemAuthorPK;
import com.idetronic.subur.service.persistence.SuburItemFinderUtil;

/**
 * The implementation of the item author local service.
 *
 * <p>
 * All custom service methods should be put in this class. Whenever methods are added, rerun ServiceBuilder to copy their definitions into the {@link com.idetronic.subur.service.ItemAuthorLocalService} interface.
 *
 * <p>
 * This is a local service. Methods of this service will not have security checks based on the propagated JAAS credentials because this service can only be accessed from within the same VM.
 * </p>
 *
 * @author Mazlan Mat
 * @see com.idetronic.subur.service.base.ItemAuthorLocalServiceBaseImpl
 * @see com.idetronic.subur.service.ItemAuthorLocalServiceUtil
 */
public class ItemAuthorLocalServiceImpl extends ItemAuthorLocalServiceBaseImpl {
    /*
     * NOTE FOR DEVELOPERS:
     *
     * Never reference this interface directly. Always use {@link com.idetronic.subur.service.ItemAuthorLocalServiceUtil} to access the item author local service.
     */
    private static Log logger = LogFactoryUtil.getLog(ItemAuthorLocalServiceImpl.class);

    /***
     * 
     */
    public void add(long itemId, long authorId) throws SystemException {
        ItemAuthorPK itemAuthorPK = new ItemAuthorPK();
        itemAuthorPK.setAuthorId(authorId);
        itemAuthorPK.setItemId(itemId);
        ItemAuthor itemAuthor = ItemAuthorLocalServiceUtil.createItemAuthor(itemAuthorPK);

        itemAuthorPersistence.update(itemAuthor);
    }

    /**
     * Return all author id for a given item id
     * @param itemId Subur Item id
     * @return long array of author id
     * @throws SystemException if author could not be found for the given item id
     */
    public long[] getAuthorId(long itemId) throws SystemException {
        List<ItemAuthor> itemAuthors = itemAuthorPersistence.findByitemId(itemId);
        long[] authors = new long[itemAuthors.size()];
        for (int i = 0; i < itemAuthors.size(); i++) {
            authors[i] = itemAuthors.get(i).getAuthorId();
        }
        return authors;

    }

    /**
     * Get list of author for the given item Id
     * @param itemId
     * @return list of author
     * @throws SystemException 
     * @throws PortalException 
     */

    public List<Author> getAuthors(long itemId) throws PortalException, SystemException {
        long[] authorIds = getAuthorId(itemId);
        return AuthorLocalServiceUtil.getAuthors(authorIds);

    }

    /**
     * Get an array of author for a given item id
     * @param itemId
     * @return array of Author
     * @throws PortalException
     * @throws SystemException
     */
    public Author[] getAuthorArray(long itemId) throws PortalException, SystemException {
        long[] authorIds = getAuthorId(itemId);
        List<Author> authors = AuthorLocalServiceUtil.getAuthors(authorIds);
        Author[] authorArray = new Author[authors.size()];

        for (int i = 0; i < authors.size(); i++)
            authorArray[i] = authors.get(i);

        return authorArray;

    }

    /*
     * 
     */

    public void setItemAuthor(long itemId, long[] authorIds, int itemStatus) throws SystemException {

        Set<Long> newAuthorIds = new HashSet<Long>();
        //ensure no duplicate in authorIds      
        for (int i = 0; i < authorIds.length; i++) {
            newAuthorIds.add(authorIds[i]);
        }
        //ensure author item count is reflected
        List<ItemAuthor> itemAuthors = itemAuthorPersistence.findByitemId(itemId);
        for (ItemAuthor itemAuthor : itemAuthors) {
            if (itemStatus == WorkflowConstants.STATUS_APPROVED)
                AuthorLocalServiceUtil.decrementItemCount(itemAuthor.getAuthorId());
        }
        itemAuthorPersistence.removeByitemId(itemId);

        Iterator<Long> authorIterator = newAuthorIds.iterator();
        while (authorIterator.hasNext()) {
            long authorId = authorIterator.next();
            if (authorId > 0) {
                ItemAuthorPK itemAuthorPK = new ItemAuthorPK();
                itemAuthorPK.setAuthorId(authorId);
                itemAuthorPK.setItemId(itemId);

                ItemAuthor itemAuthor = ItemAuthorLocalServiceUtil.createItemAuthor(itemAuthorPK);

                itemAuthorPersistence.update(itemAuthor);
            }
        }

    }
}