switch get_price() checks to is_purchasable() for displaying Add to Cart button

classes/class-wc-product.php

@@ -605,7 +605,7 @@ class WC_Product {
 		elseif ( $this->get_price() === '' )
 			$purchasable = false;
 
-		return apply_filters( 'woocommerce_is_purchasable', $purchasable );
+		return apply_filters( 'woocommerce_is_purchasable', $purchasable, $this );
 	}
 
 	/** Returns the price (excluding tax) - ignores tax_class filters since the price may *include* tax and thus needs subtracting */

templates/loop/add-to-cart.php

@@ -5,7 +5,7 @@
 
 global $product;
 
-if ( $product->get_price() === '' && $product->product_type != 'external' ) return;
+if ( ! $product->is_purchasable() && $product->product_type != 'external' ) return;
 ?>
 
 <?php if ( ! $product->is_in_stock() ) : ?>

templates/single-product/add-to-cart/simple.php

@@ -5,7 +5,7 @@
 
 global $woocommerce, $product;
 
-if ( $product->get_price() === '' ) return;
+if ( ! $product->is_purchasable() ) return;
 ?>
 
 <?php