WIP: Implement crm selections

src/BusProNet/Model/CrmAttributesResponse.php

@@ -55,4 +55,25 @@ class CrmAttributesResponse
 
         return $this;
     }
+
+    public function toArray(): array
+    {
+        $crmSelections = [];
+
+        foreach ($this->getAttributeGroups() as $group) {
+            /** @var CrmAttributeGroup $group */
+            if (false === isset($crmSelections[$group->getLabel()])) {
+                $crmSelections[$group->getLabel()] = [];
+            }
+            foreach ($group->getAttributes() as $attribute) {
+                /** @var CrmAttribute $attribute */
+                if (false === $attribute->isSelected()) {
+                    continue;
+                }
+                $crmSelections[$group->getLabel()][] = $attribute->getLabel();
+            }
+        }
+
+        return $crmSelections;
+    }
 }