Merge pull request #312 from magefan/3475-store-emulation-for-alternethreflang

added store emulation

Author: magefan

Model/Url.php

@@ -59,6 +59,11 @@ class Url
      */
     protected $storeId;
 
+    /**
+     * @var mixed
+     */
+    protected $originalStore;
+
     /**
      * Initialize dependencies.
      *
@@ -188,19 +193,16 @@ public function getCanonicalUrl(\Magento\Framework\Model\AbstractModel $object)
 
         $storeChanged = false;
         if ($useOtherStore) {
-            $origStore = $this->_url->getScope();
-            if ($newStore->getId() != $origStore->getId()) {
-                $this->_url->setScope($newStore);
-                $this->setStoreId($newStore->getId());
+            if ($newStore->getId() != $this->_url->getScope()->getId()) {
+                $this->startStoreEmulation($newStore);
                 $storeChanged = true;
             }
         }
 
         $url = $this->getUrl($object, $object->getControllerName());
 
         if ($storeChanged) {
-            $this->_url->setScope($origStore);
-            $this->setStoreId($origStore->getId());
+            $this->stopStoreEmulation();
         }
 
         return $url;
@@ -366,7 +368,7 @@ public function getMediaUrl($file)
         return $this->_storeManager->getStore()
             ->getBaseUrl(\Magento\Framework\UrlInterface::URL_TYPE_MEDIA) . $file;
     }
-    
+
     /**
      * @return int|null
      */
@@ -385,6 +387,37 @@ public function setStoreId($storeId)
         return $this;
     }
 
+    /**
+     * Start blog URL store emulation
+     * @param $store
+     * @throws \Exception
+     */
+    public function startStoreEmulation($store)
+    {
+        if (null !== $this->originalStore) {
+            throw new \Exception('Cannot start Blog URL store emulation, emulation already started.');
+        }
+
+        $this->originalStore = $this->_url->getScope();
+        $this->setStoreId($store->getId());
+        $this->_url->setScope($store);
+    }
+
+    /**
+     * Stop blog URL store emulation
+     */
+    public function stopStoreEmulation()
+    {
+        if ($this->originalStore) {
+            $this->setStoreId($this->originalStore->getId());
+            $this->_url->setScope($this->originalStore);
+        } else {
+            $this->setStoreId(null);
+            $this->_url->setScope(null);
+        }
+        $this->originalStore = null;
+    }
+
     /**
      * Retrieve blog permalink config value
      * @param  string $key

Model/UrlResolver.php

@@ -305,4 +305,4 @@ protected function _isArchiveIdentifier($identifier)
             && is_numeric($info[0])
             && is_numeric($info[1]);
     }
-}
+}