MDEE-359: Retrieve category permissions from Magento (#216)

* MDEE-359: Retrieve category permissions from Magento

Author: mslabko

DataExporter/Config/Converter.php

@@ -49,6 +49,7 @@ public function convert($source)
         foreach ($configData['config'][0]['record'] as $queryData) {
             $records[$queryData['name']] = [
                 'name' => $queryData['name'],
+                'skipNull' => isset($queryData['skipNull']) && $queryData['skipNull'] == "true"
             ];
             $idField = null;
             foreach ($queryData['field'] as $fieldData) {

DataExporter/Export/Transformer.php

@@ -147,7 +147,7 @@ private function castToFieldType(array $rootField, $value)
                 foreach ($type['field'] as $field) {
                     if (isset($value[$field['name']])) {
                         $result[$field['name']] = $this->castToFieldType($field, $value[$field['name']]);
-                    } else {
+                    } elseif (!$type['skipNull']) {
                         $result[$field['name']] = null;
                     }
                 }

DataExporter/Model/Indexer/FeedIndexMetadata.php

@@ -149,7 +149,7 @@ public function getSourceTableIdentityField(): string
     }
 
     /**
-     * Get feed identity
+     * Feed identity. Used as argument name in Data Provider that holds ids from Source Table
      *
      * @return string
      */
@@ -169,7 +169,7 @@ public function getFeedTableName(): string
     }
 
     /**
-     * Get feed table field
+     * Feed Table Field - part of the feed identity, used to find all feed items and mark entity as "deleted"
      *
      * @return string
      */

DataExporter/etc/et_schema.xsd

@@ -38,6 +38,8 @@
             <xs:element name="field" type="Field"/>
         </xs:choice>
         <xs:attribute name="name" type="xs:string" use="required" />
+        <!-- With skipNull=true fields with null values will be omitted from payload for REST API -->
+        <xs:attribute name="skipNull" type="xs:boolean" use="optional" default="false" />
     </xs:complexType>
     <xs:complexType name="Field">
         <xs:choice minOccurs="0" maxOccurs="unbounded">