function admin_form(&$qa_content)
{
// Process form input
$ok = null;
if (qa_clicked('book_plugin_process') || qa_clicked('book_plugin_save')) {
qa_opt('book_plugin_active', (bool) qa_post_text('book_plugin_active'));
qa_opt('book_plugin_cats', (bool) qa_post_text('book_plugin_cats'));
qa_opt('book_plugin_catex', qa_post_text('book_plugin_catex'));
qa_opt('book_plugin_sort_q', (int) qa_post_text('book_plugin_sort_q'));
qa_opt('book_plugin_req_sel', (bool) qa_post_text('book_plugin_req_sel'));
qa_opt('book_plugin_req_abest', (bool) qa_post_text('book_plugin_req_abest'));
qa_opt('book_plugin_req_abest_max', (int) qa_post_text('book_plugin_req_abest_max'));
qa_opt('book_plugin_req_qv', (bool) qa_post_text('book_plugin_req_qv'));
qa_opt('book_plugin_req_av', (bool) qa_post_text('book_plugin_req_av'));
qa_opt('book_plugin_req_qv_no', (int) qa_post_text('book_plugin_req_qv_no'));
qa_opt('book_plugin_req_av_no', (int) qa_post_text('book_plugin_req_av_no'));
qa_opt('book_plugin_static', (bool) qa_post_text('book_plugin_static'));
qa_opt('book_plugin_pdf', (bool) qa_post_text('book_plugin_pdf'));
qa_opt('book_plugin_loc', qa_post_text('book_plugin_loc'));
qa_opt('book_plugin_loc_pdf', qa_post_text('book_plugin_loc_pdf'));
qa_opt('book_plugin_refresh', (bool) qa_post_text('book_plugin_refresh'));
qa_opt('book_plugin_refresh_time', (bool) qa_post_text('book_plugin_refresh_time'));
qa_opt('book_plugin_refresh_cron', (bool) qa_post_text('book_plugin_refresh_cron'));
qa_opt('book_plugin_refresh_hours', (int) qa_post_text('book_plugin_refresh_hours'));
qa_opt('book_plugin_request', qa_post_text('book_plugin_request'));
qa_opt('book_plugin_request_pdf', qa_post_text('book_plugin_request_pdf'));
qa_opt('book_plugin_css', qa_post_text('book_plugin_css'));
qa_opt('book_plugin_template', qa_post_text('book_plugin_template'));
qa_opt('book_plugin_template_front', qa_post_text('book_plugin_template_front'));
qa_opt('book_plugin_template_back', qa_post_text('book_plugin_template_back'));
qa_opt('book_plugin_template_toc', qa_post_text('book_plugin_template_toc'));
qa_opt('book_plugin_template_category', qa_post_text('book_plugin_template_category'));
qa_opt('book_plugin_template_questions', qa_post_text('book_plugin_template_questions'));
qa_opt('book_plugin_template_question', qa_post_text('book_plugin_template_question'));
qa_opt('book_plugin_template_answer', qa_post_text('book_plugin_template_answer'));
if (qa_clicked('book_plugin_process') && qa_opt('book_plugin_static')) {
$ok = qa_book_plugin_createBook();
} else {
$ok = qa_lang('admin/options_saved');
}
} else {
if (qa_clicked('book_plugin_reset')) {
foreach ($_POST as $i => $v) {
$def = $this->option_default($i);
if ($def !== null) {
qa_opt($i, $def);
}
}
$ok = qa_lang('admin/options_reset');
}
}
// Create the form for display
$fields = array();
$fields[] = array('label' => 'Activate Plugin', 'tags' => 'NAME="book_plugin_active"', 'value' => qa_opt('book_plugin_active'), 'type' => 'checkbox');
$fields[] = array('type' => 'blank');
$fields[] = array('label' => 'Sort By Categories', 'tags' => 'onchange="if(this.checked) $(\'#book_plugin_cat_div\').show(); else $(\'#book_plugin_cat_div\').hide();" NAME="book_plugin_cats"', 'value' => qa_opt('book_plugin_cats'), 'type' => 'checkbox');
$fields[] = array('value' => '<span style="display:' . (qa_opt('book_plugin_cats') ? 'block' : 'none') . '" id="book_plugin_cat_div"><i>Categories to exclude (comma seperated categoryid list):</i><br/><input name="book_plugin_catex" id="book_plugin_catex" value="' . qa_opt('book_plugin_catex') . '"></span>', 'type' => 'static');
$sort = array('votes', 'date');
$fields[] = array('id' => 'book_plugin_sort_q', 'label' => 'Sort questions by', 'tags' => 'NAME="book_plugin_sort_q" ID="book_plugin_sort_q"', 'type' => 'select', 'options' => $sort, 'value' => @$sort[qa_opt('book_plugin_sort_q')]);
$fields[] = array('type' => 'blank');
$fields[] = array('value' => '<b>Restrict inclusion to:</b>', 'type' => 'static');
$fields[] = array('label' => 'Selected answers', 'tags' => 'NAME="book_plugin_req_sel"', 'value' => qa_opt('book_plugin_req_sel'), 'type' => 'checkbox');
$fields[] = array('label' => 'Highest voted answers', 'tags' => 'onclick="if(this.checked) $(\'#book_plugin_req_abest_max_div\').show(); else $(\'#book_plugin_req_abest_max_div\').hide();" NAME="book_plugin_req_abest"', 'value' => qa_opt('book_plugin_req_abest'), 'type' => 'checkbox');
$fields[] = array('value' => '<span id="book_plugin_req_abest_max_div" style="display:' . (qa_opt('book_plugin_req_abest') ? 'block' : 'none') . '">max number of answers to include: <input name="book_plugin_req_abest_max" size="3" value="' . (qa_opt('book_plugin_req_abest_max') ? qa_opt('book_plugin_req_abest_max') : '') . '"></span>', 'type' => 'static');
$fields[] = array('label' => 'Questions with minimum votes', 'tags' => 'onclick="if(this.checked) $(\'#book_plugin_req_qv_div\').show(); else $(\'#book_plugin_req_qv_div\').hide();" NAME="book_plugin_req_qv"', 'value' => qa_opt('book_plugin_req_qv'), 'type' => 'checkbox');
$fields[] = array('value' => '<span id="book_plugin_req_qv_div" style="display:' . (qa_opt('book_plugin_req_qv') ? 'block' : 'none') . '">min. votes for inclusion: <input name="book_plugin_req_qv_no" size="3" value="' . qa_opt('book_plugin_req_qv_no') . '"></span>', 'type' => 'static');
$fields[] = array('label' => 'Answers with minimum votes', 'tags' => 'onclick="if(this.checked) $(\'#book_plugin_req_av_div\').show(); else $(\'#book_plugin_req_av_div\').hide();" NAME="book_plugin_req_av"', 'value' => qa_opt('book_plugin_req_av'), 'type' => 'checkbox');
$fields[] = array('value' => '<span id="book_plugin_req_av_div" style="display:' . (qa_opt('book_plugin_req_av') ? 'block' : 'none') . '">min. votes for inclusion: <input name="book_plugin_req_av_no" size="3" value="' . qa_opt('book_plugin_req_av_no') . '"></span>', 'type' => 'static');
$fields[] = array('type' => 'blank');
$fields[] = array('label' => 'Create Static Book', 'note' => '<i>if this is unchecked, accessing the book page will recreate the book on every view</i>', 'tags' => 'onclick="if(this.checked) $(\'#book_plugin_loc\').show(); else $(\'#book_plugin_loc\').hide();" NAME="book_plugin_static"', 'value' => qa_opt('book_plugin_static'), 'type' => 'checkbox');
$fields[] = array('value' => '<span id="book_plugin_loc" style="display:' . (qa_opt('book_plugin_static') ? 'block' : 'none') . '">Location (must be writable): <input name="book_plugin_loc" value="' . qa_opt('book_plugin_loc') . '"></span>', 'type' => 'static');
$fields[] = array('type' => 'blank');
$fields[] = array('label' => 'Create Static PDF', 'note' => '<i>requires wkhtmltopdf - see README.rst</i>', 'tags' => 'onclick="if(this.checked) $(\'#book_plugin_loc_pdf\').show(); else $(\'#book_plugin_loc_pdf\').hide();" NAME="book_plugin_pdf"', 'value' => qa_opt('book_plugin_pdf'), 'type' => 'checkbox');
$fields[] = array('value' => '<span id="book_plugin_loc_pdf" style="display:' . (qa_opt('book_plugin_pdf') ? 'block' : 'none') . '">Location (must be writable): <input name="book_plugin_loc_pdf" value="' . qa_opt('book_plugin_loc_pdf') . '"></span>', 'type' => 'static');
$fields[] = array('type' => 'blank');
$fields[] = array('label' => 'Recreate Static Book', 'tags' => 'onclick="if(this.checked) $(\'#book_plugin_refresh_hours\').show(); else $(\'#book_plugin_refresh_hours\').hide();" NAME="book_plugin_refresh"', 'value' => qa_opt('book_plugin_refresh'), 'type' => 'checkbox');
$cron_url = qa_opt('site_url') . qa_opt('book_plugin_request') . '?cron=true';
$fields[] = array('value' => '<div id="book_plugin_refresh_hours" style="display:' . (qa_opt('book_plugin_refresh') ? 'block' : 'none') . '">minimum time to recreate: <input name="book_plugin_refresh_hours" value="' . qa_opt('book_plugin_refresh_hours') . '" size="3"> hours<br/><i>if this is set to zero, the auto-recreate will not run, and the cron url may be called at any time.<br/><br/><input type="checkbox" name="book_plugin_refresh_time" ' . (qa_opt('book_plugin_refresh_time') ? 'checked' : '') . '> recreate on next access after above interval<br/><br/><input type="checkbox" name="book_plugin_refresh_cron" ' . (qa_opt('book_plugin_refresh_cron') ? 'checked' : '') . '>recreate via cron url below<br/><span style="font-style:italic;">url is currently <a href="' . $cron_url . '">' . $cron_url . '</a></span></div>', 'type' => 'static');
$fields[] = array('type' => 'blank');
$fields[] = array('label' => 'Book Permalink', 'note' => '<i>the url used to access the book, either via static file, or on the fly</i>', 'tags' => 'NAME="book_plugin_request"', 'value' => qa_opt('book_plugin_request'));
$fields[] = array('label' => 'Book PDF Permalink', 'note' => '<i>the url used to access the PDF file; should correspond with static PDF location above</i>', 'tags' => 'NAME="book_plugin_request_pdf"', 'value' => qa_opt('book_plugin_request_pdf'));
$fields[] = array('type' => 'blank');
$fields[] = array('label' => 'Book CSS', 'note' => '<i>book.css</i>', 'tags' => 'NAME="book_plugin_css"', 'value' => qa_opt('book_plugin_css'), 'type' => 'textarea', 'rows' => '10');
$fields[] = array('type' => 'blank');
$fields[] = array('label' => 'Book Template', 'note' => '<i>template.html</i>', 'tags' => 'NAME="book_plugin_template"', 'value' => qa_opt('book_plugin_template'), 'type' => 'textarea', 'rows' => '10');
$fields[] = array('label' => 'Front Cover Template', 'note' => '<i>front.html</i>', 'tags' => 'NAME="book_plugin_template_front"', 'value' => qa_opt('book_plugin_template_front'), 'type' => 'textarea', 'rows' => '10');
$fields[] = array('label' => 'Back Cover Template', 'note' => '<i>back.html</i>', 'tags' => 'NAME="book_plugin_template_back"', 'value' => qa_opt('book_plugin_template_back'), 'type' => 'textarea', 'rows' => '10');
$fields[] = array('label' => 'Table of Contents Template', 'note' => '<i>toc.html</i>', 'tags' => 'NAME="book_plugin_template_toc"', 'value' => qa_opt('book_plugin_template_toc'), 'type' => 'textarea', 'rows' => '10');
$fields[] = array('label' => 'Category Template', 'note' => '<i>category.html - used when sorting by categories</i>', 'tags' => 'NAME="book_plugin_template_category"', 'value' => qa_opt('book_plugin_template_category'), 'type' => 'textarea', 'rows' => '10');
$fields[] = array('label' => 'Questions Template', 'note' => '<i>questions.html - used when not sorting by categories</i>', 'tags' => 'NAME="book_plugin_template_questions"', 'value' => qa_opt('book_plugin_template_questions'), 'type' => 'textarea', 'rows' => '10');
$fields[] = array('label' => 'Question Template', 'note' => '<i>question.html</i>', 'tags' => 'NAME="book_plugin_template_question"', 'value' => qa_opt('book_plugin_template_question'), 'type' => 'textarea', 'rows' => '10');
$fields[] = array('label' => 'Answer Template', 'note' => '<i>answer.html</i>', 'tags' => 'NAME="book_plugin_template_answer"', 'value' => qa_opt('book_plugin_template_answer'), 'type' => 'textarea', 'rows' => '10');
return array('ok' => $ok && !isset($error) ? $ok : null, 'fields' => $fields, 'buttons' => array(array('label' => qa_lang_html('admin/save_options_button'), 'tags' => 'NAME="book_plugin_save"'), array('label' => 'Process', 'tags' => 'NAME="book_plugin_process"'), array('label' => qa_lang_html('admin/reset_options_button'), 'tags' => 'NAME="book_plugin_reset"')));
}
function qa_get_request_content()
{
if (qa_opt('book_plugin_active')) {
$requestlower = strtolower(qa_request());
if ($requestlower && $requestlower === qa_opt('book_plugin_request')) {
if (qa_opt('book_plugin_static')) {
// refresh
if (qa_opt('book_plugin_refresh') && (qa_opt('book_plugin_refresh_time') && (int) qa_opt('book_plugin_refresh_hours') || qa_get('cron') == 'true' && qa_opt('book_plugin_refresh_cron')) && time() > qa_opt('book_plugin_refresh_last') + qa_opt('book_plugin_refresh_hours') * 60 * 60) {
qa_book_plugin_createBook();
if (qa_get('cron') == 'true') {
echo "true\n";
return false;
}
} else {
if (qa_get('cron') == 'true') {
if (!qa_opt('book_plugin_refresh_cron')) {
error_log('Q2A Book Recreate Error: cron request not allowed via admin/plugins');
} else {
error_log('Q2A Book Recreate Error: cron request before minimum time elapsed');
}
echo "false\n";
return false;
}
}
include qa_opt('book_plugin_loc');
} else {
echo qa_book_plugin_createBook(true);
}
return false;
} else {
if (qa_opt('book_plugin_pdf') && $requestlower && $requestlower === qa_opt('book_plugin_request_pdf')) {
if (qa_opt('book_plugin_static')) {
// refresh
if (qa_opt('book_plugin_refresh') && (qa_opt('book_plugin_refresh_time') && (int) qa_opt('book_plugin_refresh_hours')) && time() > qa_opt('book_plugin_refresh_last') + qa_opt('book_plugin_refresh_hours') * 60 * 60) {
qa_book_plugin_createBook();
}
$pdf = file_get_contents(qa_opt('book_plugin_loc_pdf'));
header('Content-Description: File Transfer');
header('Cache-Control: public, must-revalidate, max-age=0');
// HTTP/1.1
header('Pragma: public');
header('Expires: Sat, 26 Jul 1997 05:00:00 GMT');
// Date in the past
header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
// force download dialog
header('Content-Type: application/force-download');
header('Content-Type: application/octet-stream', false);
header('Content-Type: application/download', false);
header('Content-Type: application/pdf', false);
// use the Content-Disposition header to supply a recommended filename
header('Content-Disposition: attachment; filename="' . basename(qa_opt('book_plugin_loc_pdf')) . '";');
header('Content-Transfer-Encoding: binary');
header('Content-Length: ' . strlen($pdf));
echo $pdf;
} else {
qa_book_plugin_create_pdf(true);
}
return false;
}
}
}
return qa_get_request_content_base();
}