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<?php
/*
Question2Answer by Gideon Greenspan and contributors
http://www.question2answer.org/
File: qa-include/qa-ajax-comment.php
Description: Server-side response to Ajax create comment 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/limits.php';
require_once QA_INCLUDE_DIR . 'db/selects.php';
// Load relevant information about this question and the comment parent
$questionid = qa_post_text('c_questionid');
$parentid = qa_post_text('c_parentid');
$userid = qa_get_logged_in_userid();
list($question, $parent, $children) = qa_db_select_with_pending(
qa_db_full_post_selectspec($userid, $questionid),
qa_db_full_post_selectspec($userid, $parentid),
qa_db_full_child_posts_selectspec($userid, $parentid)
);
// Check if the question and parent exist, and whether the user has permission to do this
if (@$question['basetype'] == 'Q' && (@$parent['basetype'] == 'Q' || @$parent['basetype'] == 'A') &&
!qa_user_post_permit_error('permit_post_c', $parent, QA_LIMIT_COMMENTS)
) {
require_once QA_INCLUDE_DIR . 'app/captcha.php';
require_once QA_INCLUDE_DIR . 'app/format.php';
require_once QA_INCLUDE_DIR . 'app/post-create.php';
require_once QA_INCLUDE_DIR . 'app/cookies.php';
require_once QA_INCLUDE_DIR . 'pages/question-view.php';
require_once QA_INCLUDE_DIR . 'pages/question-submit.php';
require_once QA_INCLUDE_DIR . 'util/sort.php';
// Try to create the new comment
$usecaptcha = qa_user_use_captcha(qa_user_level_for_post($question));
$commentid = qa_page_q_add_c_submit($question, $parent, $children, $usecaptcha, $in, $errors);
// If successful, page content will be updated via Ajax
if (isset($commentid)) {
$children = qa_db_select_with_pending(qa_db_full_child_posts_selectspec($userid, $parentid));
$parent = $parent + qa_page_q_post_rules($parent, ($questionid == $parentid) ? null : $question, null, $children);
// in theory we should retrieve the parent's siblings for the above, but they're not going to be relevant
foreach ($children as $key => $child) {
$children[$key] = $child + qa_page_q_post_rules($child, $parent, $children, null);
}
$usershtml = qa_userids_handles_html($children, true);
qa_sort_by($children, 'created');
$c_list = qa_page_q_comment_follow_list($question, $parent, $children, true, $usershtml, false, null);
$themeclass = qa_load_theme_class(qa_get_site_theme(), 'ajax-comments', null, null);
$themeclass->initialize();
echo "QA_AJAX_RESPONSE\n1\n";
// send back the ID of the new comment
echo qa_anchor('C', $commentid) . "\n";
// send back the HTML
$themeclass->c_list_items($c_list['cs']);
return;
}
}
echo "QA_AJAX_RESPONSE\n0\n"; // fall back to non-Ajax submission if there were any problems