Add canonical url tag

Author: ihorvansach

Block/Archive/PostList.php

@@ -55,6 +55,14 @@ protected function _prepareLayout()
         $title = $this->_getTitle();
         $this->_addBreadcrumbs($title);
         $this->pageConfig->getTitle()->set($title);
+        $this->pageConfig->addRemotePageAsset(
+            $this->_url->getUrl(
+                $this->getYear() . '-' . str_pad($this->getMonth(), 2, '0', STR_PAD_LEFT),
+                \Magefan\Blog\Model\Url::CONTROLLER_ARCHIVE
+            ),
+            'canonical',
+            ['attributes' => ['rel' => 'canonical']]
+        );
 
         return parent::_prepareLayout();
     }

Block/Author/PostList.php

@@ -49,8 +49,11 @@ protected function _prepareLayout()
             $this->_addBreadcrumbs($author);
             $this->pageConfig->addBodyClass('blog-author-' . $author->getIdentifier());
             $this->pageConfig->getTitle()->set($author->getTitle());
-            //$this->pageConfig->setKeywords($author->getMetaKeywords());
-            //$this->pageConfig->setDescription($author->getMetaDescription());
+            $this->pageConfig->addRemotePageAsset(
+                $author->getAuthorUrl(),
+                'canonical',
+                ['attributes' => ['rel' => 'canonical']]
+            );
         }
 
         return parent::_prepareLayout();

Block/Category/View.php

@@ -54,6 +54,11 @@ protected function _prepareLayout()
             $this->pageConfig->getTitle()->set($category->getTitle());
             $this->pageConfig->setKeywords($category->getMetaKeywords());
             $this->pageConfig->setDescription($category->getMetaDescription());
+            $this->pageConfig->addRemotePageAsset(
+                $category->getCategoryUrl(),
+                'canonical',
+                ['attributes' => ['rel' => 'canonical']]
+            );
         }
 
         return parent::_prepareLayout();

Block/Index.php

@@ -26,6 +26,11 @@ protected function _prepareLayout()
         $this->pageConfig->getTitle()->set($this->_getConfigValue('title'));
         $this->pageConfig->setKeywords($this->_getConfigValue('meta_keywords'));
         $this->pageConfig->setDescription($this->_getConfigValue('meta_description'));
+        $this->pageConfig->addRemotePageAsset(
+            $this->_url->getBaseUrl(),
+            'canonical',
+            ['attributes' => ['rel' => 'canonical']]
+        );
 
         return parent::_prepareLayout();
     }

Block/Post/View.php

@@ -28,6 +28,11 @@ protected function _prepareLayout()
             $this->pageConfig->getTitle()->set($post->getTitle());
             $this->pageConfig->setKeywords($post->getMetaKeywords());
             $this->pageConfig->setDescription($post->getMetaDescription());
+            $this->pageConfig->addRemotePageAsset(
+                $post->getPostUrl(),
+                'canonical',
+                ['attributes' => ['rel' => 'canonical']]
+            );
         }
 
         return parent::_prepareLayout();