<?php

/**
 * @file CommentForm.inc.php
 *
 * Copyright (c) 2000-2008 John Willinsky
 * Distributed under the GNU GPL v2. For full terms see the file docs/COPYING.
 *
 * @package submission.form
 * @class CommentForm
 *
 * Comment form.
 *
 * $Id: CommentForm.inc.php,v 1.11 2008/04/04 17:06:47 asmecher Exp $
 */

import('form.Form');

class CommentForm extends Form {

	/** @var int the comment type */
	var $commentType;

	/** @var int the role id of the comment poster */
	var $roleId;

	/** @var Paper current paper */
	var $paper;

	/** @var User comment presenter */
	var $user;

	/** @var int the ID of the comment after insertion */
	var $commentId;

	/**
	 * Constructor.
	 * @param $paper object
	 */
	function CommentForm($paper, $commentType, $roleId, $assocId = null) {
		if ($commentType == COMMENT_TYPE_PEER_REVIEW) {
			parent::Form('submission/comment/peerReviewComment.tpl');
		} else if ($commentType == COMMENT_TYPE_DIRECTOR_DECISION) {
			parent::Form('submission/comment/directorDecisionComment.tpl');
		} else {
			parent::Form('submission/comment/comment.tpl');
		}

		$this->paper = $paper;
		$this->commentType = $commentType;
		$this->roleId = $roleId;
		$this->assocId = $assocId == null ? $paper->getPaperId() : $assocId;

		$this->user = &Request::getUser();

		if ($commentType != COMMENT_TYPE_PEER_REVIEW) $this->addCheck(new FormValidator($this, 'comments', 'required', 'director.paper.commentsRequired'));

		$this->addCheck(new FormValidatorPost($this));
	}

	/**
	 * Set the user this comment form is associated with.
	 * @param $user object
	 */
	function setUser(&$user) {
		$this->user =& $user;
	}

	/**
	 * Display the form.
	 */
	function display() {
		$paper = $this->paper;

		$paperCommentDao = &DAORegistry::getDAO('PaperCommentDAO');
		$paperComments = &$paperCommentDao->getPaperComments($paper->getPaperId(), $this->commentType, $this->assocId);

		$templateMgr = &TemplateManager::getManager();
		$templateMgr->assign('paperId', $paper->getPaperId());
		$templateMgr->assign('commentTitle', strip_tags($paper->getPaperTitle()));
		$templateMgr->assign('userId', $this->user->getUserId());
		$templateMgr->assign('paperComments', $paperComments);

		parent::display();
	}

	/**
	 * Assign form data to user-submitted data.
	 */
	function readInputData() {
		$this->readUserVars(
			array(
				'commentTitle',
				'comments',
				'viewable'
			)
		);
	}

	/**
	 * Add the comment.
	 */
	function execute() {
		$commentDao = &DAORegistry::getDAO('PaperCommentDAO');
		$paper = $this->paper;

		// Insert new comment		
		$comment = &new PaperComment();
		$comment->setCommentType($this->commentType);
		$comment->setRoleId($this->roleId);
		$comment->setPaperId($paper->getPaperId());
		$comment->setAssocId($this->assocId);
		$comment->setAuthorId($this->user->getUserId());
		$comment->setCommentTitle($this->getData('commentTitle'));
		$comment->setComments($this->getData('comments'));
		$comment->setDatePosted(Core::getCurrentDate());
		$comment->setViewable($this->getData('viewable'));

		$this->commentId = $commentDao->insertPaperComment($comment);
	}

	/**
	 * Email the comment.
	 * @param $recipients array of recipients (email address => name)
	 */
	function email($recipients) {
		$paper = $this->paper;
		$paperCommentDao = &DAORegistry::getDAO('PaperCommentDAO');
		$schedConf = &Request::getSchedConf();

		import('mail.PaperMailTemplate');
		$email = &new PaperMailTemplate($paper, 'SUBMISSION_COMMENT');
		$email->setFrom($this->user->getEmail(), $this->user->getFullName());

		$commentText = $this->getData('comments');

		// Individually send an email to each of the recipients.
		foreach ($recipients as $emailAddress => $name) {
			$email->addRecipient($emailAddress, $name);

			$paramArray = array(
				'name' => $name,
				'commentName' => $this->user->getFullName(),
				'comments' => $commentText	
			);

			$email->sendWithParams($paramArray);
			$email->clearRecipients();
		}
	}
}

?>