<?php
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is addons.mozilla.org site.
 *
 * The Initial Developer of the Original Code is
 * The Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2006
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Andrei Hajdukewycz <sancus@off.net> (Original Author)
 *   Justin Scott <fligtar@gmail.com>
 *   Wil Clouser <wclouser@mozilla.com>
 *   Frederic Wenzel <fwenzel@mozilla.com>
 *   Mike Morgan <morgamic@mozilla.com>
 *   Chris Pollett <cpollett@gmail.com>
 *   Ryan Doherty <rdoherty@mozilla.com>
 *   Laura Thomson <lthomson@mozilla.com>
 *   Les Orchard <lorchard@mozilla.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */
class AddonsController extends AppController
{
    var $name = 'Addons';
    var $beforeFilter = array('checkCSRF', 'getNamedArgs', '_checkSandbox');
    var $uses = array('Addon', 'AddonTag', 'Addontype', 'Application',
        'Feature', 'File', 'Platform', 'Preview', 'Tag', 'Translation', 
        'Review', 'Version');
    var $components = array('Amo', 'Image', 'Pagination', 'Session', 'Userfunc');
    var $helpers = array('Html', 'Link', 'Time', 'Localization', 'Ajax', 'Number', 'Pagination');
    var $namedArgs = true;

    var $securityLevel = 'low';

    function beforeFilter() {
        // Disable ACLs because this controller is entirely public.
        $this->SimpleAuth->enabled = false;
        $this->SimpleAcl->enabled = false;

        if (array_key_exists('addons-author-addons-select', $this->params['url']) && ctype_digit($this->params['url']['addons-author-addons-select'])) {
            redirectWithNewLocaleAndExit(array('addon',$this->params['url']['addons-author-addons-select']));
        }
    }
    
    /**
    * Display an addon
    * @param int $id the id of the addon
    */
    function display($id = null) {
        global $valid_status;
        
        $this->Amo->clean($id);

        $this->publish('bigHeader', true);
        $this->publish('bigHeaderText', sprintf(_('addons_home_header_details'), APP_PRETTYNAME));
    
        $this->layout='mozilla';
        
        $loggedIn = $this->Session->check('User')? true : false;
        $this->set('loggedIn', $loggedIn);

        if (!$id || !is_numeric($id)) {
            $this->flash(sprintf(_('error_missing_argument'), 'addon_id'), '/', 3);
            return;
        }
        
        $_conditions = array(
            'Addon.id' => $id,
            'Addon.inactive' => 0,
            'Addon.addontype_id' => array(ADDON_EXTENSION, ADDON_THEME, ADDON_DICT, ADDON_SEARCH, ADDON_LPAPP, ADDON_PLUGIN, ADDON_ACTIVITY),
            'Addon.status' => $valid_status
            );
        $addon_data = $this->Addon->find($_conditions, null , null , 1);
        
        if (empty($addon_data)) {
            $this->flash(_('error_addon_notfound'), '/', 3);
            return;
        }

        if($loggedIn) {
          $isauthor = $this->Amo->checkOwnership($id, $addon_data['Addon'], true);
          $this->publish('isAuthor', $isauthor);
        }
        else {
          $this->publish('isAuthor', false);
        }
        
        // get other addons for the author(s)
        foreach ($addon_data['User'] as $_user)
            $_userids[] = $_user['id'];
        $_addonids = $this->Addon->getAddonsForAuthors($_userids);

        if (!empty($_addonids)) {
            // re-fetch the addons to get the translations too
            $_addoncriteria = array(
                'Addon.id' => $_addonids,
                'Addon.inactive' => 0,
                'Addon.status' => $this->status
            );
            $authorAddons = $this->Addon->findAll($_addoncriteria, null, 'Translation.name');
        } else {
            $authorAddons = array();
        }
        $this->publish('authorAddons',$authorAddons);

        if (in_array($addon_data['Addon']['addontype_id'], array(ADDON_PLUGIN))) {
            $this->redirect('/browse/type:' . $addon_data['Addon']['addontype_id']);
        }
		
        // sandbox check 
        if ($addon_data['Addon']['status'] != STATUS_PUBLIC) {
            $this->publish('addonStatus', STATUS_SANDBOX);
            $this->status = $valid_status;
        }
        
        $_latest_version = $this->Version->getVersionByAddonId($addon_data['Addon']['id'], $this->status);
        if ($_latest_version > 0) {
            $version = $this->Version->findAllById($_latest_version, null, "Version.created DESC", 0);
            $addon_data['Version'] = $version;
            $this->publish('hasversion', true);
            $compat_apps = $this->Version->getCompatibleApps($_latest_version);
            $this->publish('compatible_apps', array_slice($compat_apps, 0, 1));
        } 

        $this->publish('previews', $this->Preview->findAllByAddonId($id, array('id', 'addon_id', 'caption'), 'highlight desc'));

        $this->publish('addon', $addon_data);
        $this->publish('addonIconPath', $this->Image->getAddonIconURL($id), false);
        $this->publish('addonPreviewPath', $this->Image->getHighlightedPreviewURL($id));
        $this->pageTitle = sprintf(_('addons_display_pagetitle'), $addon_data['Translation']['name']['string']). ' :: '.sprintf(_('addons_home_pagetitle'), APP_PRETTYNAME);
        
        // get the tags that are related to the addon, so that they have translation data
        $_related_tag_ids = array();
        foreach ($addon_data['Tag'] as $tagvalue){
            $_related_tag_ids[] = $tagvalue['id'];
        }

        if (!empty($_related_tag_ids))
            $related_tags = $this->Tag->findAll("Tag.id IN (".implode(',', $_related_tag_ids).") AND (Tag.application_id = ".APP_ID." OR Tag.application_id IS NULL)");
        else
            $related_tags = array();

        $this->publish('relatedTags', $related_tags);

        // The platforms section is necessary because of CakePHP bug #1183 (https://trac.cakephp.org/ticket/1183).  We
        // need the translated strings in the model to offer the right platform to users.
        $this->Platform->unbindFully();
        $platforms = $this->Platform->findAll();
        $this->publish('platforms', $platforms);
        
        // Grab the latest 3 reviews by ID, one per user.
        $review_ids = array();
        $_latest_reviews = 
            $this->Review->findLatestReviewsForAddon($addon_data['Addon']['id'], 3, 1);
        foreach($_latest_reviews as $_r) 
            $review_ids[] = $_r['id'];

        // Fetch the actual reviews from IDs
        if (!empty($review_ids))
            $reviews = $this->Review->getReviews($review_ids);
        else
            $reviews = array();

        $this->publish('reviews', $reviews);
        $this->publish('review_count', empty($reviews) ? 
            0 : $this->Review->countLatestReviewsForAddon($addon_data['Addon']['id']));
        
        // does user have a review already?
        $user = $this->Session->read('User');
        if (!empty($user) && $_latest_version > 0) {
            $user_revcount = $this->Review->findCount("Review.user_id = {$user['id']} AND Review.version_id = {$_latest_version}");
            $this->publish('hasreview', ($user_revcount>0));
        } else {
            $this->publish('hasreview', false);
        }
        
        // Collapse categories menu
        $this->publish('collapse_categories', true);
    }
    
    
    /**
     * Display the home page for the entire site.
     */
    function home() {
        $this->forceShadowDb();
        global $valid_status, $app_listedtypes;
        
        $this->layout='mozilla';
        $this->pageTitle = sprintf(_('addons_home_pagetitle'), APP_PRETTYNAME);
        
        $feature_ids = $this->Addon->getRecommendedAddons(7);
        $featureAddons = $this->Addon->getAddonList($feature_ids, array(
            'all_tags', 'authors', 'compatible_apps', 'files', 'latest_version',
            'list_details'));
        $this->publish('featureAddons', $featureAddons);
        unset($feature_ids, $featureAddons);
        
        // Get recommended and popular lists.
        $list_num = 4;
        $associations = array('single_tag');
        
        $rec_addon_ids = $this->Addon->getRecommendedAddons($list_num);
        $rec_addons = $this->Addon->getAddonList($rec_addon_ids, $associations);
        $pop_addon_ids = $this->Addon->getAddonsFromCategory(STATUS_PUBLIC,
            $app_listedtypes[APP_ID], 'all', 'popular', 'DESC', $list_num, 1, '', false);
        $pop_addons = $this->Addon->getAddonList($pop_addon_ids, $associations);
        $new_addon_ids = $this->Addon->getAddonsFromCategory(STATUS_PUBLIC,
            $app_listedtypes[APP_ID], 'all', 'newest', 'DESC', $list_num, 1, '', false);
        $new_addons = $this->Addon->getAddonList($new_addon_ids, $associations);
        $upd_addon_ids = $this->Addon->getAddonsFromCategory(STATUS_PUBLIC,
            $app_listedtypes[APP_ID], 'all', 'updated', 'DESC', $list_num, 1, '', false);
        $upd_addons = $this->Addon->getAddonList($upd_addon_ids, $associations);
        unset($list_num, $rec_addon_ids, $pop_addon_ids, $new_addon_ids, $upd_addon_ids);
        
        $this->publish('recAddons', $rec_addons);
        $this->publish('popAddons', $pop_addons);
        $this->publish('newAddons', $new_addons);
        $this->publish('updAddons', $upd_addons);
		
        // The platforms section is necessary because of CakePHP bug #1183
        // (https://trac.cakephp.org/ticket/1183).  We need the translated
        // strings in the model to offer the right platform to users.
        $this->Platform->unbindFully();
        $platforms = $this->Platform->findAll();
        $this->publish('platforms', $platforms);
        
        $this->publish('baseurl', $this->base);
        $this->publish('bigHeader', true);
        $this->publish('bigHeaderText', sprintf(_('addons_home_header_details'), APP_PRETTYNAME));
        
        // add rss links to global feeds
        // @partial translation fallback, 5/13/08
        $this->publish('rssAdd', array(
            array('/browse/type:1/cat:all/format:rss?sort=newest', _('rss_newestaddons')),
            array('/browse/type:1/cat:all/format:rss?sort=updated', ___('rss_updatedaddons', 'Updated Add-ons')),
            array('/recommended/format:rss', _('rss_featuredaddons')),
            ));
        
        // User name for Welcome message
        if ($session = $this->Session->read('User')) {
            if (!empty($session['firstname']))
                $welcomeName = $session['firstname'];
            elseif (!empty($session['nickname']))
                $welcomeName = $session['nickname'];
            elseif (!empty($session['lastname']))
                $welcomeName = $session['lastname'];
            else
                $welcomeName = '';
            
            $this->publish('welcomeName', $welcomeName);
        }
    }

    /**
     * Build a grid of thumbnails and names, mainly for themes.
     */
    function _browseThumbs() {
        global $valid_status;

        // Get the type of addon, defaulting to themes
        $addontype = isset($this->namedArgs['type']) ? 
            $this->namedArgs['type'] : ADDON_THEME;

        // Get the addon category, defaulting to 'all'
        $category = isset($this->namedArgs['cat']) ?
            $this->namedArgs['cat'] : 'all';

        $this->Tag->unbindFully();
        $this_tag = $this->Tag->findById($category);
        
        // show experimental add-ons?
        if (isset($this->params['url']['exp'])) {
            /* experimental add-ons requested */
            $show_exp = true;
            $this->Userfunc->toggleSandboxPref(true); // store preference
        } elseif (isset($this->params['url']['show'])) {
            $show_exp = false;
            $this->Userfunc->toggleSandboxPref(false); // store preference
        } elseif ($this->Session->check('User')) {
            /* read preference */
            $sessionuser = $this->Session->read('User');
            $show_exp = ($sessionuser['sandboxshown'] == 1);
        } else {
            /* default to experimental add-ons not shown */
            $show_exp = false;
        }
        $this->set('show_exp', $show_exp);
        $displaystatuses = ($show_exp ? $valid_status : array(STATUS_PUBLIC));

        // fetch a list of all subcategories
        $subcats = $this->Amo->getTags(APP_ID, $addontype);

        // fetch counts for all categories
        $subcat_totals = $this->Addon->countAddonsInAllCategories(
            $displaystatuses, $addontype
        );
        $all_total = $this->Addon->countAddonsInCategory(
            $displaystatuses, $addontype
        );
        $subcat_totals['all'] = $all_total;

        // determine list sort order
        if (isset($this->params['url']['sort']))
            $sort_by = $this->params['url']['sort'];
        elseif (isset($this->namedArgs['sort']))
            $sort_by = $this->namedArgs['sort'];
        else
            $sort_by = '';
        
        $allowed_sort_by = array(
            'name', 'updated', 'newest', 'popular', 'rated'
        );
        if (!in_array($sort_by, $allowed_sort_by)) {
            $sort_by = 'updated';
        }

        switch ($sort_by) {
            case 'popular':
            case 'updated':
            case 'newest':
            case 'rated':
                $sort_dir = 'desc';
                break;
            case 'name':
            default:
                $sort_dir = 'asc';
                break;
        }

        // initialize pagination component
        $this->Pagination->total     = $subcat_totals[$category];
        $this->Pagination->sortBy    = $sort_by;
        $this->Pagination->direction = $sort_dir;
        list($_order,$_limit,$_page) = $this->Pagination->init();

        $addons = $this->Addon->getAddonsByCategory(
            null, $displaystatuses, $addontype, $category, 
            $sort_by, $sort_dir, $_limit, $_page, '', true
        );

        $this->set('type',     $addontype);
        $this->set('this_tag', $this_tag);

        $this->publish('addons',        $addons);
        $this->publish('show_limit',    $_limit);
        $this->publish('sort_by',       $sort_by);
        $this->publish('subcats',       $subcats);
        $this->publish('all_total',     $all_total);
        $this->publish('subcat_totals', $subcat_totals);
        
        $format = (isset($this->namedArgs['format']) ? $this->namedArgs['format'] : 'html');
        
        $this->set('content_wide', true); // display 2 features next to each other
        
        $this->publish('collapse_categories', true);
       
        switch($addontype) {
            case ADDON_THEME: 
                $this->pageTitle = sprintf(___('addons_browse_categories_header_theme'), $this_tag['Translation']['name']['string'], APP_PRETTYNAME); 
                break;
            default:
                $this->pageTitle = sprintf(_('addons_home_pagetitle'), APP_PRETTYNAME);
        }

        $this->publish('bigHeader', true);
        $this->publish('bigHeaderText', sprintf(_('addons_home_header_details'), APP_PRETTYNAME));
        
        $this->layout = 'mozilla';

        $this->render('browse_thumbs');
    }

    /**
     * Category listing and landing pages.
     */
    function browse() {
        global $app_listedtypes, $hybrid_categories;
        
        if (!isset($this->namedArgs['type'])) {
            // @TODO throw a 404 error
            $this->redirect('/');
            return;
        }
        $type = $this->namedArgs['type'];

        // allow addontype pages only for applicable types
        if (!in_array($type, $app_listedtypes[APP_ID])) {
            // @TODO throw some error
            $this->redirect('/');
            break;
        }
        
        if (!isset($this->namedArgs['cat'])) {
            switch ($this->namedArgs['type']) {
            case ADDON_SEARCH:
                $this->_searchengines();
                break;
            /* @TODO: Do something with the plugin page; note, if the plugin pages
             * are re-enabled, we need to make sure they are added to the
             * app_listedtypes array in constants.php too.*/
            case ADDON_PLUGIN: // undeleted this -cpollett
                $this->_plugins();
                break;
            
            case ADDON_DICT:
                $this->_dictionaries();
                break;
            case ADDON_THEME:
                $this->_themes();
                break;
            default:
                // @TODO throw some error
                $this->redirect('/');
                break;
            }
            return;
        }
        
        /* redirect category hybrids to respective addontype page
         * (unless we have selected a full listing page (?sort=something)) */
        $cat = $this->namedArgs['cat'];
        if (isset($hybrid_categories[APP_ID][$cat])
            && !isset($_GET['sort']) && !isset($this->namedArgs['sort'])) {
            $this->redirect("/browse/type:{$hybrid_categories[APP_ID][$cat]}");
            return;
        }
        
        /* display generic cat landing page or full category listing page */
        if (isset($_GET['sort']) || isset($this->namedArgs['sort'])) {


            if ($type == ADDON_THEME && (empty($this->namedArgs['format']) || $this->namedArgs['format']!='rss')) {
                return $this->_browseThumbs();
            }

            // category listing page
            $this->_browseAddonsInCategory();
        } else {
            // category landing page
            $this->_categoryLanding();
        }
    }

    /**
     * Generic landing page for a specific add-on category
     *
     * Relevant URL format: /browse/type:1/cat:12
     *
     * @access private
     */
    function _categoryLanding() {
        global $valid_status;
        
        $valid_status = array(STATUS_PUBLIC);

        $format = $this->setLayoutForFormat();
        
        $addontype = $this->namedArgs['type'];
        $this->Amo->clean($addontype);
        
        $category = $this->namedArgs['cat'];
        $this->Amo->clean($category);
        $this->Tag->unbindFully();
        $this_tag = $this->Tag->findById($category);
        
        // fetch 5 recommended add-ons for slider
        $_feat_ids = $this->AddonTag->getRandomAddons($category, true,  5);
        if (!empty($_feat_ids)) {
            $featureAddons = $this->Addon->getListAddons($_feat_ids, $valid_status,
                'FIELD(Addon.id,'.implode(',', $_feat_ids).')', true);
        } else {
            $featureAddons = false;
        }
        
        // fetch another 3 random add-ons
        $_feat_ids = $this->AddonTag->getRandomAddons($category, false, 3);
        if (!empty($_feat_ids)) {
            $randomAddons = $this->Addon->getListAddons($_feat_ids, $valid_status,
                'FIELD(Addon.id,'.implode(',', $_feat_ids).')', false);
        } else {
            $randomAddons = false;
        }
        
        $this->publish('featureAddons', $featureAddons);
        $this->publish('randomAddons', $randomAddons);
        unset($featureAddons);
        unset($randomAddons);
        
        // fetch all platforms
        $this->Platform->unbindFully();
        $platforms = $this->Platform->findAll();
        $this->publish('platforms', $platforms);
        
        // set data available to view
        $this->publish('type_id', $addontype);
        $this->publish('cat_id', $category);
        $this->publish('this_tag', $this_tag);
        $this->set('content_wide', false); // display features next to each other
        $this->publish('collapse_categories', false);
        
        // set layout details
        $this->publish('bigHeader', true);
        $this->publish('bigHeaderText', sprintf(_('addons_home_header_details'), APP_PRETTYNAME));
        
        $this->pageTitle = $this_tag['Translation']['name']['string']. " :: " . sprintf(_('addons_home_pagetitle'), APP_PRETTYNAME);
        $this->publish('rssAdd', array("/browse/type:{$addontype}/cat:{$category}/format:rss?sort=updated"));
        $this->render('category_landing');
    }

    /**
     * Add-on listing page for a specific category
     *
     * Relevant URL format: /browse/type:1/cat:15?sort=name
     * 
     * @access private
     */
    function _browseAddonsInCategory() {
        global $valid_status, $app_listedtypes;
        
        $addontype = $this->namedArgs['type'];
        $category = $this->namedArgs['cat'];
        $format = $this->setLayoutForFormat();
        
        // type:1 && cat:all shows a global add-ons list (not extensions only)
        if ($addontype == ADDON_EXTENSION && $category == 'all') {
            $this_tag = array();
            $addontype = $app_listedtypes[APP_ID];
        } else {
            $this->Tag->unbindFully();
            $this_tag = $this->Tag->findById($category);
        }
        
        // determine list sort order
        if (isset($this->params['url']['sort']))
            $sort_by = $this->params['url']['sort'];
        elseif (isset($this->namedArgs['sort']))
            $sort_by = $this->namedArgs['sort'];
        else
            $sort_by = '';
        $allowed_sort_by = array('name', 'updated', 'newest', 'popular', 'rated');
        if (!in_array($sort_by, $allowed_sort_by)) {
            // default sort order
            $sort_by = 'updated';
        }
        switch ($sort_by) {
        case 'popular':
        case 'updated':
        case 'newest':
        case 'rated':
            $sort_dir = 'desc';
            break;
        case 'name':
        default:
            $sort_dir = 'asc';
            break;
        }
        
        // show experimental add-ons?
        if (isset($this->params['url']['exp'])) {
            /* experimental add-ons requested */
            $show_exp = true;
            $this->Userfunc->toggleSandboxPref(true); // store preference
        } elseif (isset($this->params['url']['show'])) {
            /* intentionally disabled */
            // XXX: checking for "show" to be set is cheesy but the only way
            // to determine if the button was intentionally disabled or if we
            // just followed a link
            $show_exp = false;
            $this->Userfunc->toggleSandboxPref(false); // store preference
        } elseif ($this->Session->check('User')) {
            /* read preference */
            $sessionuser = $this->Session->read('User');
            $show_exp = ($sessionuser['sandboxshown'] == 1);
        } else {
            /* default to experimental add-ons not shown */
            $show_exp = false;
        }
        $this->set('show_exp', $show_exp);
        $displaystatuses = ($show_exp ? $valid_status : array(STATUS_PUBLIC));
        
        if ($format != 'rss') {
            // initialize pagination component
            $this->Pagination->total = $this->Addon->countAddonsInCategory(
                $displaystatuses, $addontype, $category);
            $this->Pagination->sortBy = $sort_by;
            $this->Pagination->direction = $sort_dir;
            list($_order,$_limit,$_page) = $this->Pagination->init();
        } else {
            // display the 20 most recently changed addons
            $_order = '';
            $_limit = 20;
            $_page = 1;
        }
        
        // get enough addons for one page.
        $addons = $this->Addon->getAddonsByCategory(null, $displaystatuses,
            $addontype, $category, $sort_by, $sort_dir, $_limit, $_page, '', true);
        if ($category!='all' && empty($this_tag) || empty($addons)) {
            $this->flash(_('error_browse_no_addons'), '/browse/type:' . $addontype, 3);
            return;
        }
        $this->publish('addons', $addons);
        
        // get platforms (if we are not in RSS mode)
        if ($format != 'rss') {
            $this->Platform->unbindFully();
            $platforms = $this->Platform->findAll();
            $this->publish('platforms', $platforms);
        }
        
        // get other categories list (or all, if this is a complete list)
        $_tags = $this->Tag->query("SELECT DISTINCT t.id FROM tags AS t "
            ."INNER JOIN addons_tags AS at ON (t.id = at.tag_id) "
            ."WHERE ".($category == 'all'?'1':"t.id <> '{$category}'")." "
            ."AND t.addontype_id = '{$addontype}' AND t.application_id = " . APP_ID . ";"
            );
        $tag_list = array();
        if (!empty($_tags)) {
            $_tag_ids = array();
            foreach($_tags as $_tag) $_tag_ids[] = $_tag['t']['id'];
            $this->Tag->unbindFully();
            $tag_list = $this->Tag->findAllById($_tag_ids);
            // sort tags by name
            $_tag_names = array();
            foreach($tag_list as $_tag) $_tag_names[] = $_tag['Translation']['name']['string'];
            array_multisort($_tag_names, SORT_ASC, $tag_list);
        }
        
        // set data available to view
        $this->publish('this_tag', $this_tag);
        $this->set('type', $addontype);
        $this->publish('tagList', $tag_list);
        
        // set layout details and render view
        if ($category == 'all') {
            // @partial translation fallback, 5/13/08
            switch ($sort_by) {
                case 'popular': $_title = ___('browse_addons_popular'); break;
                case 'updated': $_title = ___('browse_addons_updated'); break;
                case 'newest': $_title = ___('browse_addons_newest'); break;
                case 'rated': $_title = ___('browse_addons_rated'); break;
                case 'name': $_title = ___('browse_addons_name'); break;
                default: $_title = ''; break;
            }
        } else {
            $_title = sprintf(_('addons_browse_browse_category'), $this_tag['Translation']['name']['string']);
        }
        if ($format != 'rss') {
            $this->pageTitle = $_title . " :: " . sprintf(_('addons_home_pagetitle'), APP_PRETTYNAME);
            $this->publish('subpagetitle', $_title);
            
            // preserve GET variables in RSS feed URLs
            $_rss_get = array();
            foreach($_GET as $_getkey => $_getitem)
                if ($_getkey != 'url') $_rss_get[] = urlencode($_getkey).'='.urlencode($_getitem);
            $this->publish('rssAdd', array("/browse/type:{$this->namedArgs['type']}/cat:{$category}/format:rss?".implode('&', $_rss_get)));
            
            $this->set('collapse_categories', true);
            
            $this->render('browse');
        } else {
            // RSS feed
            $this->publish('sort_by', $sort_by, false);
            $this->publish('rss_title', $_title . " :: " .  sprintf(_('addons_home_pagetitle'), APP_PRETTYNAME));
            $this->publish('rss_description', '');
            $this->render('rss/addons');
        }
    }

    /**
     * search tools / search engines hybrid landing page
     * @access private
     */
    function _searchengines() {
        global $hybrid_categories, $valid_status;

        $valid_status = array(STATUS_PUBLIC);
        
        $format = (isset($this->namedArgs['format']) ? $this->namedArgs['format'] : 'html');
        
        // fetch the category belonging to this hybrid page
        $category = array_search(ADDON_SEARCH, $hybrid_categories[APP_ID]);
        if ($category) {
            $this->Tag->unbindfully();
            $this_tag = $this->Tag->findById($category);
        } else {
            $this_tag = null;
        }
        $this->publish('this_tag', $this_tag);
        
        // fetch a list of all subcategories
        $subcats = $this->Amo->getTags(APP_ID, ADDON_SEARCH);
        $this->publish('subcats', $subcats);
        
        // make subcategory ID list to grab recommendations from
        $subcat_ids = array();
        foreach ($subcats as $subcat)
            $subcat_ids[] = $subcat['Tag']['id'];
        // add hybrid category for possible other recommendations
        $subcat_ids[] = $this_tag['Tag']['id'];
        
        // fetch up to 2 recommended add-ons
        $_feat_ids = $this->AddonTag->getRandomAddons($subcat_ids, true, 2);
        if (!empty($_feat_ids)) {
            $featureAddons = $this->Addon->getListAddons($_feat_ids, $valid_status,
                null, true);
        } else {
            $featureAddons = array();
        }
        $this->publish('featureAddons', $featureAddons);
        
        // fetch 2 random ones.
        $_feat_ids = $this->AddonTag->getRandomAddons($subcat_ids, false, 2);
        if (!empty($_feat_ids)) {
            $randomAddons = $this->Addon->getListAddons($_feat_ids, $valid_status,
                null, true);
        } else {
            $randomAddons = false;
        }
        $this->publish('randomAddons', $randomAddons);
        
        // fetch all platforms
        $this->Platform->unbindFully();
        $platforms = $this->Platform->findAll();
        $this->publish('platforms', $platforms);
        
        if ($format != 'rss') {
            $this->set('content_wide', true); // display 2 features next to each other
            $this->set('collapse_categories', true);
            $this->pageTitle = _('addons_searchengines_pagetitle').' :: '
                .sprintf(_('addons_home_pagetitle'), APP_PRETTYNAME);
            $this->publish('bigHeader', true);
            $this->publish('bigHeaderText', sprintf(_('addons_home_header_details'), APP_PRETTYNAME));
            $this->layout='mozilla';
            //$this->publish('rssAdd', array("/browse/type:".ADDON_SEARCH."/format:rss"));
            
            $this->render('searchengines');
        } else {
            // RSS feed
            $this->publish('rss_title', _('addons_searchengines_pagetitle'));
            $this->publish('rss_description', '');
            $this->render('rss/searchengines', 'rss');
        }
    }

    /**
     * page to display plugins, which is static for now
     */
    function _plugins() {
        $this->layout = 'mozilla';
        $this->pageTitle = _('addons_plugins_pagetitle').' :: '.sprintf(_('addons_home_pagetitle'), APP_PRETTYNAME);
        $this->publish('subpagetitle', sprintf(_('addons_plugins_main_header'), APP_PRETTYNAME));
        $this->render('plugins');
        return;
    }
    
    /**
     * dictionaries / language tools landing page
     */
    function _dictionaries() {
        global $valid_status, $native_languages;
        
        $format = (isset($this->namedArgs['format']) ? $this->namedArgs['format'] : 'html');
        
        // get list of target locales
        $conditions = array(
            'Addon.addontype_id' => array(ADDON_DICT, ADDON_LPAPP),
            'Addon.status' => STATUS_PUBLIC,
            'Addon.inactive' => 0
        );
        $this->Addon->unbindfully();
        $target_locales_raw = $this->Addon->findAll($conditions, "DISTINCT(LOWER(`target_locale`)) as 'target_locale'");
        $target_locales = array();
        foreach ($target_locales_raw as $tloc) $target_locales[] = $tloc[0]['target_locale'];
        unset($target_locales_raw);
        
        // get list of dictionaries and language packs for each target locale
        $dicts = array();
        foreach($target_locales as $tloc) {
            // prepare results array for this target locale
            $dicts[$tloc] = array(
                ADDON_DICT => array(),
                ADDON_LPAPP  => array()
            );
            
            // get addons for this target locale
            $conditions = array(
                'LOWER(Addon.target_locale)' => $tloc,
                'Addon.addontype_id' => array(ADDON_DICT, ADDON_LPAPP),
                'Addon.status' => STATUS_PUBLIC,
                'Addon.inactive' => 0
            );
            $this->Addon->unbindfully();
            $dicts_raw = $this->Addon->findAll($conditions, null, null, null, null, 2);
            
            $_dict_ids = array();
            foreach ($dicts_raw as $_dict)
                $_dict_ids[] = $_dict['Addon']['id'];
            $tloc_dicts = array();
            $this->Addon->unbindFully();
            $tloc_dicts = $this->Addon->getListAddons($_dict_ids, array(STATUS_PUBLIC), null, true);
            foreach ($tloc_dicts as $dict) { // add add-ons to results array
                if (empty($dict['File'])) continue;
                
                // purge add-ons incompatible with this app
                $compat = $this->Version->getCompatibleApps($dict['Version'][0]['id']);
                $thisapp_compat = false;
                foreach ($compat as $compat_app)
                    $thisapp_compat = $thisapp_compat || ($compat_app['Application']['application_id'] == APP_ID);
                if (!$thisapp_compat) continue;
                
                $dicts[$tloc][$dict['Addon']['addontype_id']][] = $dict;
            }
            unset($dict, $compat, $thisapp_compat, $compat_app);
            
            /* determine the effective display name for this target locale */
            $locale_parts = explode('-', strtolower(str_replace('_', '-', $tloc)));
            // normalize region part
            if (isset($locale_parts[1])) $locale_parts[1] = strtoupper($locale_parts[1]);
            $normalized_locale = implode('-', $locale_parts);
            
            $displayname = false;
            while (true) {
                $locale = strtolower(implode('-', $locale_parts));
                if (in_array($locale, array_map('strtolower', array_keys($native_languages)))) {
                    $_temp = array_change_key_case($native_languages, CASE_LOWER);
                    $displayname = $_temp[$locale]['English'];
                    $localname = $_temp[$locale]['native'];
                    break;
                }
                /* shorten locale code if possible, then try again */
                array_pop($locale_parts);
                if (empty($locale_parts)) break;
            }
            if (!$displayname) {
                /* no locale found, use add-on name and add locale code */
                if (!empty($dicts[$tloc][ADDON_DICT])) {
                    $_dict = $dicts[$tloc][ADDON_DICT][0];
                } elseif (!empty($dicts[$tloc][ADDON_LPAPP])) {
                    $_dict = $dicts[$tloc][ADDON_LPAPP][0];
                } else {
                    // empty locale? shouldn't happen, drop it.
                    unset($dicts[$tloc]);
                    continue;
                }
                $displayname = $_dict['Translation']['name']['string']." ({$normalized_locale})";
                $localname = '';
                unset($_dict);
            }
            /* if we had to shorten the locale, add the code to the local
             * name to disambiguate different regional dialects
             */
            if (!empty($localname) && strtolower($locale) != strtolower($normalized_locale))
                $localname .= " ({$normalized_locale})";
            /* store values in result array for view to use */
            $dicts[$tloc]['displayname'] = $displayname;
            $dicts[$tloc]['localname'] = $localname;
        }
        // sort dictionary list by effective display name
        uasort($dicts, create_function('$a,$b', 'return strcasecmp($a["displayname"],$b["displayname"]);'));
        $this->publish('dicts', $dicts);
        
        // fetch all platforms
        $this->Platform->unbindFully();
        $platforms = $this->Platform->findAll();
        $this->publish('platforms', $platforms);
        
        // set layout details
        $this->pageTitle = _('langtools_header_dicts_and_langpacks') .' :: '
            . sprintf(_('addons_home_pagetitle'), APP_PRETTYNAME);
        $this->publish('bigHeader', true);
        $this->publish('bigHeaderText', sprintf(_('addons_home_header_details'), APP_PRETTYNAME));
        $this->layout = 'mozilla';
        $this->set('collapse_categories', true);
        
        $this->render('dictionaries');
    }

    /**
     * Themes/Interface Customizations landing page
     */
    function _themes() {
        global $valid_status;

        $valid_status = array(STATUS_PUBLIC);
        
        $format = (isset($this->namedArgs['format']) ? $this->namedArgs['format'] : 'html');
        
        // fetch a list of all subcategories
        $subcats = $this->Amo->getTags(APP_ID, ADDON_THEME);
        $this->publish('subcats', $subcats);
        
        // make subcategory ID list to grab recommendations from
        $subcat_ids = array();
        foreach ($subcats as $subcat)
            $subcat_ids[] = $subcat['Tag']['id'];
        
        // fetch up to 2 recommended add-ons
        $_feat_ids = $this->AddonTag->getRandomAddons($subcat_ids, true, 2);
        if (!empty($_feat_ids)) {
            $featureAddons = $this->Addon->getListAddons($_feat_ids, $valid_status,
                null, true);
        } else {
            $featureAddons = array();
        }
        $this->publish('featureAddons', $featureAddons);
        
        // fetch 2 random ones.
        $_feat_ids = $this->AddonTag->getRandomAddons($subcat_ids, false, 2);
        if (!empty($_feat_ids)) {
            $randomAddons = $this->Addon->getListAddons($_feat_ids, $valid_status,
                null, true);
        } else {
            $randomAddons = array();
        }
        $this->publish('randomAddons', $randomAddons);
        
        // fetch all platforms
        $this->Platform->unbindFully();
        $platforms = $this->Platform->findAll();
        $this->publish('platforms', $platforms);
        
        // set layout details
        $this->set('content_wide', true); // display 2 features next to each other
        $this->set('collapse_categories', true);
        $this->pageTitle = sprintf(___('addons_browse_all_themes_title'), APP_PRETTYNAME);
        $this->publish('bigHeader', true);
        $this->publish('bigHeaderText', sprintf(_('addons_home_header_details'), APP_PRETTYNAME));
        $this->layout = 'mozilla';
        
        $this->render('themes_landing');
    }

    /**
     * page with recommended addons
     */
    function recommended() {

        $this->forceShadowDb();

        //override sandbox, recommended page is only public
        $this->publish('addonStatus', array(STATUS_PUBLIC));
        $this->status = array(STATUS_PUBLIC);
        
        $criteria = "Feature.start < NOW() AND Feature.end > NOW() AND Feature.application_id ='" . APP_ID . "' AND "
            ."(Feature.locale = '" . LANG . "' or Feature.locale IS NULL)";
        if (isset($this->namedArgs['format']) && $this->namedArgs['format'] == 'rss') {
            $isrss = true;
            $order = "Addon.name ASC";
        } else {
            $isrss = false;
            $order = "RAND()";
        }
		
        $_addon_ids = array();

		
        if(isset($this->namedArgs['cat']))
        {
           $category = $this->namedArgs['cat'];
           $this->Amo->clean($category);		
           $criteria = "feature > 0 AND tag_id='".$category."'";
           $featAddons = $this->AddonTag->findAll($criteria);

            foreach ($featAddons as $_addon)
               $_addon_ids[] = $_addon['AddonTag']['addon_id'];

        } else {
            $featAddons = $this->Feature->findAll($criteria);		
            foreach ($featAddons as $_addon)
               $_addon_ids[] = $_addon['Addon']['id'];
        }
        if (!empty($_addon_ids))
            $featAddons = $this->Addon->getListAddons($_addon_ids, $this->status, $order, true);
        else
            $featAddons = array();
        
        if (!$isrss) {
            // get platforms (if we are not in RSS mode)
            $this->Platform->unbindFully();
            $platforms = $this->Platform->findAll();
            $this->publish('platforms', $platforms);
            
            $this->layout='mozilla';
            $this->pageTitle = _('addons_recommended_pagetitle').' :: '.sprintf(_('addons_home_pagetitle'), APP_PRETTYNAME);
            $this->publish('addons', $featAddons);
            $this->publish('rssAdd', array('/recommended/format:rss'));
            $this->publish('subpagetitle', _('addons_recommended_title'));
            $this->render();
        } else {
            $this->publish('addons', $featAddons);
            $this->publish('rss_title', _('addons_recommended_pagetitle').' :: '.sprintf(_('addons_home_pagetitle'), APP_PRETTYNAME));
            $this->publish('rss_description', _('addons_recommended_introduction'));
            $this->render('rss/addons', 'rss');
        }
    }
    
    /**
     * page to display eula prior to installation
     */
    function policy($lightbox, $addon_id, $file_id=null) {
        $this->Amo->clean($lightbox);
        $this->Amo->clean($addon_id);
        $this->Amo->clean($file_id);
        
        $this->layout='mozilla';
        if (!$addon_id || !is_numeric($addon_id)) {
            $this->flash(sprintf(_('error_missing_argument'), 'addon_id'), '/', 3);
            return;
        }
    
        $this->Addon->unbindFully();
        $this->Addon->bindModel(
            array(
                'hasAndBelongsToMany' => array(
                    'Tag' => array(
                        'className' => 'Tag',
                        'joinTable'  => 'addons_tags',
                        'foreignKey' => 'addon_id',
                        'associationForeignKey'=> 'tag_id'
                    ),
                    'User' => array(
                        'className'  => 'User',
                        'joinTable'  => 'addons_users',
                        'foreignKey' => 'addon_id',
                        'associationForeignKey'=> 'user_id'
                    )
                )
            )
        );
        
        $this_addon = $this->Addon->findById($addon_id);
        if (empty($this_addon)) {
            $this->flash(_('error_addon_notfound'), '/', 3);
            return;
        }
        
        if (isset($file_id)) {
            $this->File->unbindFully();
            $this_file = $this->File->findById($file_id);
            $this_addon['Version'] =  $this->Version->findAllById($this_file['File']['version_id'], null, null, 0);
            $this->Platform->unbindFully();
            $platforms = $this->Platform->findAllById($this_file['File']['platform_id']);
            $this->publish('platforms', $platforms);
        }
        else { 
            $this->publish('policy', 1);
        }
        // get the tags that are related to the addon, so that they have translation data
        $_related_tag_ids = array();
        foreach ($this_addon['Tag'] as $tagvalue) {
            $_related_tag_ids[] = $tagvalue['id'];
        }
        $related_tags = $this->Tag->findAll(array('Tag.id' => $_related_tag_ids, 'Tag.application_id' => APP_ID));
        unset($_related_tag_ids);
        

        $this->publish('relatedTags', $related_tags);
        $this->publish('addon', $this_addon);
        $this->publish('addonIconPath', $this->Image->getAddonIconURL($addon_id), false);
        $this->pageTitle = sprintf(_('addons_display_pagetitle'), $this_addon['Translation']['name']['string']). ' :: '.sprintf(_('addons_home_pagetitle'), APP_PRETTYNAME);
        

    }

    /**
     * Display previews for an addon
     */
    function previews($id) {
        $this->Amo->clean($id);
        $this->layout = 'mozilla';
        
        if (!$id || !is_numeric($id)) {
            $this->flash(sprintf(_('error_missing_argument'), 'addon_id'), '/', 3);
            return;
        }
        
        $addon_data = $this->Addon->find(array(
            'Addon.id' => $id,
            'Addon.inactive' => '0',
            'Addon.status' => array(STATUS_PUBLIC, STATUS_SANDBOX, STATUS_NOMINATED)), 
            null , null , 1);
        if (empty($addon_data)) {
            $this->flash(_('error_addon_notfound'), '/', 3);
            return;
        }
        if ($addon_data['Addon']['status'] != STATUS_PUBLIC && !$this->sandboxAccess) {
            $this->flash(_('error_addon_notfound'), '/', 3);
            return;
        }

        $previews = $this->Preview->findAllByAddon_Id($id, array('id', 'addon_id', 'caption'));
        $this->publish('previews', $previews);
        $this->publish('addon', $addon_data);
        $_title = sprintf(_('addons_previews_pagetitle'), $addon_data['Translation']['name']['string']);
        $this->pageTitle = $_title. ' :: '.sprintf(_('addons_home_pagetitle'), APP_PRETTYNAME);
        $this->publish('subpagetitle', $_title);

        // Pretty previews
        $this->set('includeSlimbox', 1);
        $this->set('suppressJQuery', 1);

        $this->render();
    }

    /**
     * Display previously released versions of an addon
     */
    function versions($id) {
        global $valid_status;
        
        $this->Amo->clean($id);

        // unbind addon from all references but its authors
        $bindusers = array('hasAndBelongsToMany' => array('User' => $this->Addon->hasAndBelongsToMany['User']));
        $this->Addon->unbindFully();
        $this->Addon->bindModel($bindusers);
        $addon = $this->Addon->findById($id, null, null, null, null, 0);

        // show all valid (even experimental) statuses on versions page
        $version_list = $this->Version->getVersionIdsByAddonId($id, $valid_status);
        //reformat the returned versions array
        $version_ids = array();
		$comp_apps_by_id = array();
        foreach ($version_list as $single_id) {
            $cur_id = $single_id['Version']['id'];		
            $version_ids[] = $cur_id;
            $compat_apps = $this->Version->getCompatibleApps($cur_id);
            $comp_apps_by_id[$cur_id] = array_slice($compat_apps, 0, 1);
        }			
		
        if (!empty($version_ids)) {		
            $versions = $this->Version->findAllById($version_ids, null, "Version.created DESC", null, null, 1);
			
            for($i =0 ; $i < count($versions); $i++) {			
                $versions[$i]['Compatibility'] = $comp_apps_by_id[$versions[$i]['Version']['id'] ];	
	        }					
        }			
        else
            $versions = array();
 		
        $this->Platform->unbindFully();
        $platforms = $this->Platform->findAll();
        $this->publish('addon', $addon);
        $this->publish('versions', $versions);
        $this->publish('platforms', $platforms);
        
        $_title = sprintf(_('addons_versions_pagetitle'), $addon['Translation']['name']['string']);
        if (!isset($this->namedArgs['format']) || $this->namedArgs['format'] != 'rss') {
            $this->publish('addonIconPath', $this->Image->getAddonIconURL($id));
            $this->pageTitle = $_title. ' :: '.sprintf(_('addons_home_pagetitle'), APP_PRETTYNAME);
            $this->publish('subpagetitle', $_title);
            $this->publish('rssAdd', array("/addons/versions/{$id}/format:rss"));
            
            $this->layout = 'mozilla';
            $this->render();
        } else {
            $this->publish('rss_title', $_title);
            $this->publish('rss_description', _('addons_versions_history'));
            $this->render('rss/versions', 'rss');
        }
    }

    /**
     * provide global rss feeds (deprecated)
     */
    function rss($type='') {
        $this->Amo->clean($type);
        $type = strtolower($type);
        
        switch($type) {
        case 'newest':
            $this->redirect('/browse/type:1/cat:all/format:rss?sort=newest');
            return;
            break;
        
        default:
            $this->redirect('/');
            return;
        }
    }
    
}

?>