// Added KPIs in products and categories

controllers/admin/AdminCategoriesController.php

@@ -335,6 +335,40 @@ class AdminCategoriesControllerCore extends AdminController
 				$this->action = 'select_delete';
 	}
 
+	public function renderKpis()
+	{
+		$time = time();
+		$kpis = array();
+
+		/* The data generation is located in AdminStatsControllerCore */
+
+		$helper = new HelperKpi();
+		$helper->id = 'box-disabled-categories';
+		$helper->icon = 'icon-off';
+		$helper->color = 'color1';
+		$helper->title = $this->l('Disabled Categories');
+		if (Configuration::get('PS_KPI_DISABLED_CATS') !== false)
+			$helper->value = Configuration::get('PS_KPI_DISABLED_CATS');
+		if (Configuration::get('PS_KPI_DISABLED_CATS_EXPIRE') < $time)
+			$helper->source = $this->context->link->getAdminLink('AdminStats').'&ajax=1&action=getKpi&kpi=disabled_categories';
+		$kpis[] = $helper->generate();
+		
+		$helper = new HelperKpi();
+		$helper->id = 'box-empty-categories';
+		$helper->icon = 'icon-bookmark-empty';
+		$helper->color = 'color2';
+		$helper->title = $this->l('Empty Categories');
+		if (Configuration::get('PS_KPI_EMPTY_CATS') !== false)
+			$helper->value = Configuration::get('PS_KPI_EMPTY_CATS');
+		if (Configuration::get('PS_KPI_EMPTY_CATS_EXPIRE') < $time)
+			$helper->source = $this->context->link->getAdminLink('AdminStats').'&ajax=1&action=getKpi&kpi=empty_categories';
+		$kpis[] = $helper->generate();
+
+		$helper = new HelperKpiRow();
+		$helper->kpis = $kpis;
+		return $helper->generate();
+	}
+
 	public function renderForm()
 	{
 		$this->initToolbar();

controllers/admin/AdminProductsController.php

@@ -2287,6 +2287,40 @@ class AdminProductsControllerCore extends AdminController
 		parent::initContent();
 	}
 
+	public function renderKpis()
+	{
+		$time = time();
+		$kpis = array();
+
+		/* The data generation is located in AdminStatsControllerCore */
+
+		$helper = new HelperKpi();
+		$helper->id = 'box-products-stock';
+		$helper->icon = 'icon-archive';
+		$helper->color = 'color1';
+		$helper->title = $this->l('Products in Stock');
+		if (Configuration::get('PS_KPI_PRODUCTS_STOCK') !== false)
+			$helper->value = Configuration::get('PS_KPI_PRODUCTS_STOCK');
+		if (Configuration::get('PS_KPI_PRODUCTS_STOCK_EXPIRE') < $time)
+			$helper->source = $this->context->link->getAdminLink('AdminStats').'&ajax=1&action=getKpi&kpi=products_stock';
+		$kpis[] = $helper->generate();
+		
+		$helper = new HelperKpi();
+		$helper->id = 'box-avg-gross-margin';
+		$helper->icon = 'icon-tags';
+		$helper->color = 'color2';
+		$helper->title = $this->l('Average Gross Margin');
+		if (Configuration::get('PS_KPI_AVG_GROSS_MARGIN') !== false)
+			$helper->value = Configuration::get('PS_KPI_AVG_GROSS_MARGIN');
+		if (Configuration::get('PS_KPI_AVG_GROSS_MARGIN_EXPIRE') < $time)
+			$helper->source = $this->context->link->getAdminLink('AdminStats').'&ajax=1&action=getKpi&kpi=avg_gross_margin';
+		$kpis[] = $helper->generate();
+
+		$helper = new HelperKpiRow();
+		$helper->kpis = $kpis;
+		return $helper->generate();
+	}
+
 	public function renderList()
 	{
 		$this->addRowAction('edit');

controllers/admin/AdminStatsController.php

@@ -96,6 +96,51 @@ class AdminStatsControllerCore extends AdminStatsTabController
 				Configuration::updateValue('PS_KPI_ABANDONED_CARTS_EXPIRE', strtotime('+10 min'));
 				break;
 
+			case 'products_stock':
+				$row = Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow('
+				SELECT SUM(IF(IFNULL(stock.quantity, 0) > 0, 1, 0)) as stock, COUNT(*) as total
+				FROM `'._DB_PREFIX_.'product` p
+				'.Shop::addSqlAssociation('product', 'p').'
+				'.Product::sqlStock('p'));
+				$value = round($row['total'] ? $row['stock'] / $row['total'] : 0, 2).'%';
+				Configuration::updateValue('PS_KPI_PRODUCTS_STOCK', $value);
+				Configuration::updateValue('PS_KPI_PRODUCTS_STOCK_EXPIRE', strtotime('+10 min'));
+				break;
+
+			case 'avg_gross_margin':
+				$value = Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
+				SELECT AVG((product_shop.price - product_shop.wholesale_price) / product_shop.price)
+				FROM `'._DB_PREFIX_.'product` p
+				'.Shop::addSqlAssociation('product', 'p'));
+				$value = round(100 * $value, 2).'%';
+				Configuration::updateValue('PS_KPI_AVG_GROSS_MARGIN', $value);
+				Configuration::updateValue('PS_KPI_AVG_GROSS_MARGIN_EXPIRE', strtotime('+6 hour'));
+				break;
+
+			case 'disabled_categories':
+				$value = (int)Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
+				SELECT COUNT(*)
+				FROM `'._DB_PREFIX_.'category` c
+				'.Shop::addSqlAssociation('category', 'c').'
+				WHERE c.active = 0');
+				Configuration::updateValue('PS_KPI_DISABLED_CATS', $value);
+				Configuration::updateValue('PS_KPI_DISABLED_CATS_EXPIRE', strtotime('+2 hour'));
+				break;
+
+			case 'empty_categories':
+				$total = (int)Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
+				SELECT COUNT(*)
+				FROM `'._DB_PREFIX_.'category` c
+				'.Shop::addSqlAssociation('category', 'c'));
+				$used = (int)Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
+				SELECT COUNT(DISTINCT cp.id_category)
+				FROM `'._DB_PREFIX_.'category_product` cp
+				'.Shop::addSqlAssociation('category', 'cp'));
+				$value = intval($total - $used);
+				Configuration::updateValue('PS_KPI_EMPTY_CATS', $value);
+				Configuration::updateValue('PS_KPI_EMPTY_CATS_EXPIRE', strtotime('+2 hour'));
+				break;
+
 			case 'average_order_value':
 				$row = Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow('
 				SELECT