first commit

class/Query/XMLFeed.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace Query;
+
+class XMLFeed
+{
+    public static function categorizedProducts()
+    {
+        return function (QueryBuilder $qb) {
+            return $qb->expr()->isNotNull('ps.id_section');
+        };
+    }
+
+    public static function productsInFeed()
+    {
+        return function (QueryBuilder $qb) {
+            return $qb->expr()->eq('p.show_in_feed', '1');
+        };
+    }
+
+    public static function showInStore($in_store_only)
+    {
+        return function (QueryBuilder $qb) use ($in_store_only) {
+            if ($in_store_only && !findModule(\Modules::PRODUCTS_SUPPLIERS)) {
+                $qb->expr()->gt('COALESCE(pv.in_store, p.in_store)', 0);
+            }
+        };
+    }
+
+    public static function limit($count, $offset = null)
+    {
+        return function (QueryBuilder $qb) use ($count, $offset) {
+            if (isset($offset)) {
+                $qb->setFirstResult($offset);
+            }
+            $qb->setMaxResults($count);
+        };
+    }
+}