/** * counts how many ads have each category * @param boolean $location_filter filters by location * @param Model_Location $location * @return array */ public static function get_category_count($location_filter = TRUE, $location = NULL) { //cache by location if ($location_filter === TRUE and $location and $location->loaded()) { $id_location = $location->id_location; } elseif ($location_filter === TRUE and Model_Location::current()->loaded()) { $id_location = Model_Location::current()->id_location; } else { $id_location = 'all'; } //name used in the cache for storage $cache_name = 'get_category_count_' . $id_location; if (($cats_count = Core::cache($cache_name)) === NULL) { $expr_date = is_numeric(core::config('advertisement.expire_date')) ? core::config('advertisement.expire_date') : 0; $db_prefix = Database::instance('default')->table_prefix(); //get the categories that have ads id_category->num ads $count_ads = DB::select('c.id_category', array(DB::expr('COUNT("a.id_ad")'), 'count'))->from(array('categories', 'c'))->join(array('ads', 'a'))->using('id_category')->where('a.id_category', '=', DB::expr($db_prefix . 'c.id_category'))->where(DB::expr('IF(' . $expr_date . ' <> 0, DATE_ADD( published, INTERVAL ' . $expr_date . ' DAY), DATE_ADD( NOW(), INTERVAL 1 DAY))'), '>', Date::unix2mysql())->where('a.status', '=', Model_Ad::STATUS_PUBLISHED); //filter the count by location if ($location_filter === TRUE and $location and $location->loaded()) { $count_ads = $count_ads->where('a.id_location', 'in', $location->get_siblings_ids()); } elseif ($location_filter === TRUE and Model_Location::current()->loaded()) { $count_ads = $count_ads->where('a.id_location', 'in', Model_Location::current()->get_siblings_ids()); } $count_ads = $count_ads->group_by('c.id_category')->order_by('c.order', 'asc')->cached()->execute(); $count_ads = $count_ads->as_array('id_category'); //getting the count of ads into the parents $parents_count = array(); foreach ($count_ads as $count_ad) { $id_category = $count_ad['id_category']; $count = $count_ad['count']; //adding himself if doesnt exists if (!isset($parents_count[$id_category])) { $parents_count[$id_category] = $count_ad; $parents_count[$id_category]['has_siblings'] = FALSE; } $category = new Model_Category($id_category); //for each parent of this category add the count $parents_ids = $category->get_parents_ids(); if (count($parents_ids) > 0) { foreach ($parents_ids as $id) { if (isset($parents_count[$id])) { $parents_count[$id]['count'] += $count_ads[$category->id_category]['count']; } else { $parents_count[$id]['count'] = $count_ads[$category->id_category]['count']; } $parents_count[$id]['has_siblings'] = TRUE; } } } //get all the categories with level 0 and 1 $categories = new self(); $categories = $categories->where('id_category', '!=', 1)->where('parent_deep', 'IN', array(0, 1))->order_by('order', 'asc')->cached()->find_all(); //generating the array $cats_count = array(); foreach ($categories as $category) { $has_siblings = isset($parents_count[$category->id_category]) ? $parents_count[$category->id_category]['has_siblings'] : FALSE; //they may not have counted the siblings since the count was 0 but he actually has siblings... if ($has_siblings === FALSE and $category->has_siblings()) { $has_siblings = TRUE; } $cats_count[$category->id_category] = $category->as_array(); $cats_count[$category->id_category] = array('id_category' => $category->id_category, 'seoname' => $category->seoname, 'name' => $category->name, 'id_category_parent' => $category->id_category_parent, 'parent_deep' => $category->parent_deep, 'order' => $category->order, 'price' => $category->price, 'has_siblings' => $has_siblings, 'count' => isset($parents_count[$category->id_category]) ? $parents_count[$category->id_category]['count'] : 0); } //cache the result is expensive! Core::cache($cache_name, $cats_count); } return $cats_count; }