<?php /* Question2Answer (c) Gideon Greenspan http://www.question2answer.org/ File: qa-include/qa-page-default.php Version: See define()s at top of qa-include/qa-base.php Description: Controller for home page, Q&A listing page, custom pages and plugin pages 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 */ if (!defined('QA_VERSION')) { // don't allow this page to be requested directly from browser header('Location: ../'); exit; } require_once QA_INCLUDE_DIR.'qa-db-selects.php'; require_once QA_INCLUDE_DIR.'qa-app-format.php'; // Determine whether path begins with qa or not (question and answer listing can be accessed either way) $requestparts=explode('/', qa_request()); $explicitqa=(strtolower($requestparts[0])=='qa'); if ($explicitqa) $slugs=array_slice($requestparts, 1); elseif (strlen($requestparts[0])) $slugs=$requestparts; else $slugs=array(); $countslugs=count($slugs); // Get list of questions, other bits of information that might be useful $userid=qa_get_logged_in_userid(); list($questions1, $questions2, $categories, $categoryid, $custompage)=qa_db_select_with_pending( qa_db_qs_selectspec($userid, 'created', 0, $slugs, null, false, false, qa_opt_if_loaded('page_size_activity')), qa_db_recent_a_qs_selectspec($userid, 0, $slugs), qa_db_category_nav_selectspec($slugs, false, false, true), $countslugs ? qa_db_slugs_to_category_id_selectspec($slugs) : null, (($countslugs==1) && !$explicitqa) ? qa_db_page_full_selectspec($slugs[0], false) : null ); // First, if this matches a custom page, return immediately with that page's content if ( isset($custompage) && !($custompage['flags']&QA_PAGE_FLAGS_EXTERNAL) ) { qa_set_template('custom-'.$custompage['pageid']); $qa_content=qa_content_prepare(); $level=qa_get_logged_in_level(); if ( (!qa_permit_value_error($custompage['permit'], $userid, $level, qa_get_logged_in_flags())) || !isset($custompage['permit']) ) { $qa_content['title']=qa_html($custompage['heading']); $qa_content['custom']=$custompage['content']; if ($level>=QA_USER_LEVEL_ADMIN) { $qa_content['navigation']['sub']=array( 'admin/pages' => array( 'label' => qa_lang('admin/edit_custom_page'), 'url' => qa_path_html('admin/pages', array('edit' => $custompage['pageid'])), ), ); } } else $qa_content['error']=qa_lang_html('users/no_permission'); return $qa_content; } // Then, see if we should redirect because the 'qa' page is the same as the home page if ($explicitqa && (!qa_is_http_post()) && !qa_has_custom_home()) qa_redirect(qa_category_path_request($categories, $categoryid), $_GET); // Then, if there's a slug that matches no category, check page modules provided by plugins if ( (!$explicitqa) && $countslugs && !isset($categoryid) ) { $pagemodules=qa_load_modules_with('page', 'match_request'); $request=qa_request(); foreach ($pagemodules as $pagemodule) if ($pagemodule->match_request($request)) { qa_set_template('plugin'); return $pagemodule->process_request($request); } } // Then, check whether we are showing a custom home page if ( (!$explicitqa) && (!$countslugs) && qa_opt('show_custom_home') ) { qa_set_template('custom'); $qa_content=qa_content_prepare(); $qa_content['title']=qa_html(qa_opt('custom_home_heading')); if (qa_opt('show_home_description')) $qa_content['description']=qa_html(qa_opt('home_description')); $qa_content['custom']=qa_opt('custom_home_content'); return $qa_content; } // If we got this far, it's a good old-fashioned Q&A listing page require_once QA_INCLUDE_DIR.'qa-app-q-list.php'; qa_set_template('qa'); $questions=qa_any_sort_and_dedupe(array_merge($questions1, $questions2)); $pagesize=qa_opt('page_size_home'); if ($countslugs) { if (!isset($categoryid)) return include QA_INCLUDE_DIR.'qa-page-not-found.php'; $categorytitlehtml=qa_html($categories[$categoryid]['title']); $sometitle=qa_lang_html_sub('main/recent_qs_as_in_x', $categorytitlehtml); $nonetitle=qa_lang_html_sub('main/no_questions_in_x', $categorytitlehtml); } else { $sometitle=qa_lang_html('main/recent_qs_as_title'); $nonetitle=qa_lang_html('main/no_questions_found'); } // Prepare and return content for theme for Q&A listing page $qa_content=qa_q_list_page_content( $questions, // questions $pagesize, // questions per page 0, // start offset null, // total count (null to hide page links) $sometitle, // title if some questions $nonetitle, // title if no questions $categories, // categories for navigation $categoryid, // selected category id true, // show question counts in category navigation $explicitqa ? 'qa/' : '', // prefix for links in category navigation qa_opt('feed_for_qa') ? 'qa' : null, // prefix for RSS feed paths (null to hide) (count($questions)<$pagesize) // suggest what to do next ? qa_html_suggest_ask($categoryid) : qa_html_suggest_qs_tags(qa_using_tags(), qa_category_path_request($categories, $categoryid)), null, // page link params null // category nav params ); if ( (!$explicitqa) && (!$countslugs) && qa_opt('show_home_description') ) $qa_content['description']=qa_html(qa_opt('home_description')); return $qa_content; /* Omit PHP closing tag to help avoid accidental output */