vote.php

<?php
/*
	Question2Answer by Gideon Greenspan and contributors
	http://www.question2answer.org/

	File: qa-include/qa-ajax-vote.php
	Description: Server-side response to Ajax voting requests


	This program is free software; you can redistribute it and/or
	modify it under the terms of the GNU General Public License
	as published by the Free Software Foundation; either version 2
	of the License, or (at your option) any later version.

	This program 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 General Public License for more details.

	More about this license: http://www.question2answer.org/license.php
*/

	require_once QA_INCLUDE_DIR.'app/users.php';
	require_once QA_INCLUDE_DIR.'app/cookies.php';
	require_once QA_INCLUDE_DIR.'app/votes.php';
	require_once QA_INCLUDE_DIR.'app/format.php';
	require_once QA_INCLUDE_DIR.'app/options.php';
	require_once QA_INCLUDE_DIR.'db/selects.php';


	$postid=qa_post_text('postid');
	$vote=qa_post_text('vote');
	$code=qa_post_text('code');

	$userid=qa_get_logged_in_userid();
	$cookieid=qa_cookie_get();

	if (!qa_check_form_security_code('vote', $code))
		$voteerror=qa_lang_html('misc/form_security_reload');

	else {
		$post=qa_db_select_with_pending(qa_db_full_post_selectspec($userid, $postid));
		$voteerror=qa_vote_error_html($post, $vote, $userid, qa_request());
	}

	if ($voteerror===false) {
		qa_vote_set($post, $userid, qa_get_logged_in_handle(), $cookieid, $vote);

		$post=qa_db_select_with_pending(qa_db_full_post_selectspec($userid, $postid));

		$fields=qa_post_html_fields($post, $userid, $cookieid, array(), null, array(
			'voteview' => qa_get_vote_view($post, true), // behave as if on question page since the vote succeeded
		));

		$themeclass=qa_load_theme_class(qa_get_site_theme(), 'voting', null, null);
		$themeclass->initialize();

		echo "QA_AJAX_RESPONSE\n1\n";
		$themeclass->voting_inner_html($fields);

	} else
		echo "QA_AJAX_RESPONSE\n0\n".$voteerror;


/*
	Omit PHP closing tag to help avoid accidental output
*/