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<?php
/*
Question2Answer by Gideon Greenspan and contributors
http://www.question2answer.org/
File: qa-include/qa-ajax-answer.php
Description: Server-side response to Ajax create answer 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
$questionid=qa_post_text('a_questionid');
$userid=qa_get_logged_in_userid();
list($question, $childposts)=qa_db_select_with_pending(
qa_db_full_post_selectspec($userid, $questionid),
qa_db_full_child_posts_selectspec($userid, $questionid)
);
// Check if the question exists, is not closed, and whether the user has permission to do this
if ((@$question['basetype']=='Q') && (!isset($question['closedbyid'])) && !qa_user_post_permit_error('permit_post_a', $question, QA_LIMIT_ANSWERS)) {
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';
// Try to create the new answer
$usecaptcha=qa_user_use_captcha(qa_user_level_for_post($question));
$answers=qa_page_q_load_as($question, $childposts);
$answerid=qa_page_q_add_a_submit($question, $answers, $usecaptcha, $in, $errors);
// If successful, page content will be updated via Ajax
if (isset($answerid)) {
$answer=qa_db_select_with_pending(qa_db_full_post_selectspec($userid, $answerid));
$question=$question+qa_page_q_post_rules($question, null, null, $childposts); // array union
$answer=$answer+qa_page_q_post_rules($answer, $question, $answers, null);
$usershtml=qa_userids_handles_html(array($answer), true);
$a_view=qa_page_q_answer_view($question, $answer, false, $usershtml, false);
$themeclass=qa_load_theme_class(qa_get_site_theme(), 'ajax-answer', null, null);
$themeclass->initialize();
echo "QA_AJAX_RESPONSE\n1\n";
// Send back whether the 'answer' button should still be visible
echo (int)qa_opt('allow_multi_answers')."\n";
// Send back the count of answers
$countanswers=$question['acount']+1;
if ($countanswers==1)
echo qa_lang_html('question/1_answer_title')."\n";
else
echo qa_lang_html_sub('question/x_answers_title', $countanswers)."\n";
// Send back the HTML
$themeclass->a_list_item($a_view);
return;
}
}
echo "QA_AJAX_RESPONSE\n0\n"; // fall back to non-Ajax submission if there were any problems
/*
Omit PHP closing tag to help avoid accidental output
*/