Replacing Usage of Deprecated Methods for Message Manager.

Author: tiagosampaio

app/code/Magento/Catalog/Controller/Adminhtml/Category/Delete.php

@@ -44,12 +44,12 @@ public function execute()
                 $this->_eventManager->dispatch('catalog_controller_category_delete', ['category' => $category]);
                 $this->_auth->getAuthStorage()->setDeletedPath($category->getPath());
                 $this->categoryRepository->delete($category);
-                $this->messageManager->addSuccess(__('You deleted the category.'));
+                $this->messageManager->addSuccessMessage(__('You deleted the category.'));
             } catch (\Magento\Framework\Exception\LocalizedException $e) {
-                $this->messageManager->addError($e->getMessage());
+                $this->messageManager->addErrorMessage($e->getMessage());
                 return $resultRedirect->setPath('catalog/*/edit', ['_current' => true]);
             } catch (\Exception $e) {
-                $this->messageManager->addError(__('Something went wrong while trying to delete the category.'));
+                $this->messageManager->addErrorMessage(__('Something went wrong while trying to delete the category.'));
                 return $resultRedirect->setPath('catalog/*/edit', ['_current' => true]);
             }
         }

app/code/Magento/Catalog/Controller/Adminhtml/Product/Action/Attribute.php

@@ -56,7 +56,7 @@ protected function _validateProducts()
         }
 
         if ($error) {
-            $this->messageManager->addError($error);
+            $this->messageManager->addErrorMessage($error);
         }
 
         return !$error;

app/code/Magento/Catalog/Controller/Adminhtml/Product/Action/Attribute/Save.php

@@ -192,7 +192,7 @@ public function execute()
                 $this->_eventManager->dispatch('catalog_product_to_website_change', ['products' => $productIds]);
             }
 
-            $this->messageManager->addSuccess(
+            $this->messageManager->addSuccessMessage(
                 __('A total of %1 record(s) were updated.', count($this->attributeHelper->getProductIds()))
             );
 
@@ -205,9 +205,9 @@ public function execute()
                 $this->_productPriceIndexerProcessor->reindexList($this->attributeHelper->getProductIds());
             }
         } catch (\Magento\Framework\Exception\LocalizedException $e) {
-            $this->messageManager->addError($e->getMessage());
+            $this->messageManager->addErrorMessage($e->getMessage());
         } catch (\Exception $e) {
-            $this->messageManager->addException(
+            $this->messageManager->addExceptionMessage(
                 $e,
                 __('Something went wrong while updating the product(s) attributes.')
             );

app/code/Magento/Catalog/Controller/Adminhtml/Product/Action/Attribute/Validate.php

@@ -68,7 +68,7 @@ public function execute()
             $response->setError(true);
             $response->setMessage($e->getMessage());
         } catch (\Exception $e) {
-            $this->messageManager->addException(
+            $this->messageManager->addExceptionMessage(
                 $e,
                 __('Something went wrong while updating the product(s) attributes.')
             );

app/code/Magento/Catalog/Controller/Adminhtml/Product/Attribute/Delete.php

@@ -21,23 +21,23 @@ public function execute()
             // entity type check
             $model->load($id);
             if ($model->getEntityTypeId() != $this->_entityTypeId) {
-                $this->messageManager->addError(__('We can\'t delete the attribute.'));
+                $this->messageManager->addErrorMessage(__('We can\'t delete the attribute.'));
                 return $resultRedirect->setPath('catalog/*/');
             }
 
             try {
                 $model->delete();
-                $this->messageManager->addSuccess(__('You deleted the product attribute.'));
+                $this->messageManager->addSuccessMessage(__('You deleted the product attribute.'));
                 return $resultRedirect->setPath('catalog/*/');
             } catch (\Exception $e) {
-                $this->messageManager->addError($e->getMessage());
+                $this->messageManager->addErrorMessage($e->getMessage());
                 return $resultRedirect->setPath(
                     'catalog/*/edit',
                     ['attribute_id' => $this->getRequest()->getParam('attribute_id')]
                 );
             }
         }
-        $this->messageManager->addError(__('We can\'t find an attribute to delete.'));
+        $this->messageManager->addErrorMessage(__('We can\'t find an attribute to delete.'));
         return $resultRedirect->setPath('catalog/*/');
     }
 }

app/code/Magento/Catalog/Controller/Adminhtml/Product/Attribute/Edit.php

@@ -25,14 +25,14 @@ public function execute()
             $model->load($id);
 
             if (!$model->getId()) {
-                $this->messageManager->addError(__('This attribute no longer exists.'));
+                $this->messageManager->addErrorMessage(__('This attribute no longer exists.'));
                 $resultRedirect = $this->resultRedirectFactory->create();
                 return $resultRedirect->setPath('catalog/*/');
             }
 
             // entity type check
             if ($model->getEntityTypeId() != $this->_entityTypeId) {
-                $this->messageManager->addError(__('This attribute cannot be edited.'));
+                $this->messageManager->addErrorMessage(__('This attribute cannot be edited.'));
                 $resultRedirect = $this->resultRedirectFactory->create();
                 return $resultRedirect->setPath('catalog/*/');
             }

app/code/Magento/Catalog/Controller/Adminhtml/Product/Attribute/Validate.php

@@ -91,7 +91,7 @@ public function execute()
             $attributeSet->setEntityTypeId($this->_entityTypeId)->load($setName, 'attribute_set_name');
             if ($attributeSet->getId()) {
                 $setName = $this->_objectManager->get(\Magento\Framework\Escaper::class)->escapeHtml($setName);
-                $this->messageManager->addError(__('An attribute set named \'%1\' already exists.', $setName));
+                $this->messageManager->addErrorMessage(__('An attribute set named \'%1\' already exists.', $setName));
 
                 $layout = $this->layoutFactory->create();
                 $layout->initMessages();

app/code/Magento/Catalog/Controller/Adminhtml/Product/Duplicate.php

@@ -43,11 +43,11 @@ public function execute()
         $product = $this->productBuilder->build($this->getRequest());
         try {
             $newProduct = $this->productCopier->copy($product);
-            $this->messageManager->addSuccess(__('You duplicated the product.'));
+            $this->messageManager->addSuccessMessage(__('You duplicated the product.'));
             $resultRedirect->setPath('catalog/*/edit', ['_current' => true, 'id' => $newProduct->getId()]);
         } catch (\Exception $e) {
             $this->_objectManager->get(\Psr\Log\LoggerInterface::class)->critical($e);
-            $this->messageManager->addError($e->getMessage());
+            $this->messageManager->addErrorMessage($e->getMessage());
             $resultRedirect->setPath('catalog/*/edit', ['_current' => true]);
         }
         return $resultRedirect;

app/code/Magento/Catalog/Controller/Adminhtml/Product/Edit.php

@@ -52,12 +52,12 @@ public function execute()
         if (($productId && !$product->getEntityId())) {
             /** @var \Magento\Backend\Model\View\Result\Redirect $resultRedirect */
             $resultRedirect = $this->resultRedirectFactory->create();
-            $this->messageManager->addError(__('This product doesn\'t exist.'));
+            $this->messageManager->addErrorMessage(__('This product doesn\'t exist.'));
             return $resultRedirect->setPath('catalog/*/');
         } elseif ($productId === 0) {
             /** @var \Magento\Backend\Model\View\Result\Redirect $resultRedirect */
             $resultRedirect = $this->resultRedirectFactory->create();
-            $this->messageManager->addError(__('Invalid product id. Should be numeric value greater than 0'));
+            $this->messageManager->addErrorMessage(__('Invalid product id. Should be numeric value greater than 0'));
             return $resultRedirect->setPath('catalog/*/');
         }
 

app/code/Magento/Catalog/Controller/Adminhtml/Product/Group/Save.php

@@ -29,12 +29,12 @@ public function execute()
         );
 
         if ($model->itemExists()) {
-            $this->messageManager->addError(__('A group with the same name already exists.'));
+            $this->messageManager->addErrorMessage(__('A group with the same name already exists.'));
         } else {
             try {
                 $model->save();
             } catch (\Exception $e) {
-                $this->messageManager->addError(__('Something went wrong while saving this group.'));
+                $this->messageManager->addErrorMessage(__('Something went wrong while saving this group.'));
             }
         }
     }