L'ajout des étapes de recette fonctionne.

Reste à faire :
- suppression d'étape
- déplacement d'étape

local/modules/Recettes/Controller/BackController.php

@@ -7,6 +7,7 @@ use Propel\Runtime\ActiveQuery\Criteria;
 use Propel\Runtime\Exception\PropelException;
 use Propel\Runtime\Propel;
 use Recettes\Form\RecetteCreateForm;
+use Recettes\Form\StepCreateForm;
 use Recettes\Model\Recipe;
 use Recettes\Model\RecipeProducts;
 use Recettes\Model\RecipeProductsQuery;
@@ -181,4 +182,36 @@ class BackController extends BaseAdminController
         return $this->render('includes/related-products', [ 'content_id' => $contentId ]);
     }
 
+
+    public function addStep(Request $request)
+    {
+        $form = new StepCreateForm($request);
+        $errorUrl = "";
+        try {
+            $formValidate = $this->validateForm($form);
+            $data = $formValidate->getData();
+
+            $recipeId = $data['recipe_id'];
+            $step = $data['step'];
+            $description = $data['description'];
+            $errorUrl = $data['error_url'];
+            $successUrl = $data['success_url'];
+            if ($recipeId && $step && $description) {
+                (new RecipeSteps())
+                    ->setRecipeId($recipeId)
+                    ->setStep($step)
+                    ->setDescription($description)
+                    ->save();
+
+                return new RedirectResponse(URL::getInstance()->absoluteUrl($successUrl));
+            }
+            else
+                return new RedirectResponse(URL::getInstance()->absoluteUrl($errorUrl));
+
+        } catch (\Exception $e) {
+            $error = $e->getMessage();
+        }
+
+    }
+
 }