Validate imported entry to avoid error on import

We got some imports with a missing `url` field generating some errors while trying to retrieve an existing entry with that url.
Introducing the `validateEntry` allow us to dismiss a message when it doesn't have an url (or other missing stuff in the future)

src/Wallabag/ImportBundle/Consumer/AbstractConsumer.php

@@ -52,6 +52,13 @@ abstract class AbstractConsumer
 
         $this->import->setUser($user);
 
+        if (false === $this->import->validateEntry($storedEntry)) {
+            $this->logger->warning('Entry is invalid', ['entry' => $storedEntry]);
+
+            // return true to skip message
+            return true;
+        }
+
         $entry = $this->import->parseEntry($storedEntry);
 
         if (null === $entry) {

src/Wallabag/ImportBundle/Import/AbstractImport.php

@@ -118,6 +118,15 @@ abstract class AbstractImport implements ImportInterface
      */
     abstract public function parseEntry(array $importedEntry);
 
+    /**
+     * Validate that an entry is valid (like has some required keys, etc.).
+     *
+     * @param array $importedEntry
+     *
+     * @return bool
+     */
+    abstract public function validateEntry(array $importedEntry);
+
     /**
      * Fetch content from the ContentProxy (using graby).
      * If it fails return the given entry to be saved in all case (to avoid user to loose the content).
@@ -141,9 +150,9 @@ abstract class AbstractImport implements ImportInterface
     /**
      * Parse and insert all given entries.
      *
-     * @param $entries
+     * @param array $entries
      */
-    protected function parseEntries($entries)
+    protected function parseEntries(array $entries)
     {
         $i = 1;
         $entryToBeFlushed = [];
@@ -153,6 +162,10 @@ abstract class AbstractImport implements ImportInterface
                 $importedEntry = $this->setEntryAsRead($importedEntry);
             }
 
+            if (false === $this->validateEntry($importedEntry)) {
+                continue;
+            }
+
             $entry = $this->parseEntry($importedEntry);
 
             if (null === $entry) {

src/Wallabag/ImportBundle/Import/BrowserImport.php

@@ -149,9 +149,9 @@ abstract class BrowserImport extends AbstractImport
     /**
      * Parse and insert all given entries.
      *
-     * @param $entries
+     * @param array $entries
      */
-    protected function parseEntries($entries)
+    protected function parseEntries(array $entries)
     {
         $i = 1;
         $entryToBeFlushed = [];

src/Wallabag/ImportBundle/Import/ChromeImport.php

@@ -30,6 +30,18 @@ class ChromeImport extends BrowserImport
         return 'import.chrome.description';
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function validateEntry(array $importedEntry)
+    {
+        if (empty($importedEntry['url'])) {
+            return false;
+        }
+
+        return true;
+    }
+
     /**
      * {@inheritdoc}
      */

src/Wallabag/ImportBundle/Import/FirefoxImport.php

@@ -30,6 +30,18 @@ class FirefoxImport extends BrowserImport
         return 'import.firefox.description';
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function validateEntry(array $importedEntry)
+    {
+        if (empty($importedEntry['uri'])) {
+            return false;
+        }
+
+        return true;
+    }
+
     /**
      * {@inheritdoc}
      */

src/Wallabag/ImportBundle/Import/InstapaperImport.php

@@ -105,6 +105,18 @@ class InstapaperImport extends AbstractImport
         return true;
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function validateEntry(array $importedEntry)
+    {
+        if (empty($importedEntry['url'])) {
+            return false;
+        }
+
+        return true;
+    }
+
     /**
      * {@inheritdoc}
      */

src/Wallabag/ImportBundle/Import/PinboardImport.php

@@ -80,6 +80,18 @@ class PinboardImport extends AbstractImport
         return true;
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function validateEntry(array $importedEntry)
+    {
+        if (empty($importedEntry['href'])) {
+            return false;
+        }
+
+        return true;
+    }
+
     /**
      * {@inheritdoc}
      */

src/Wallabag/ImportBundle/Import/PocketImport.php

@@ -168,6 +168,18 @@ class PocketImport extends AbstractImport
         $this->client = $client;
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function validateEntry(array $importedEntry)
+    {
+        if (empty($importedEntry['resolved_url']) && empty($importedEntry['given_url'])) {
+            return false;
+        }
+
+        return true;
+    }
+
     /**
      * {@inheritdoc}
      *

src/Wallabag/ImportBundle/Import/ReadabilityImport.php

@@ -80,6 +80,18 @@ class ReadabilityImport extends AbstractImport
         return true;
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function validateEntry(array $importedEntry)
+    {
+        if (empty($importedEntry['article__url'])) {
+            return false;
+        }
+
+        return true;
+    }
+
     /**
      * {@inheritdoc}
      */

src/Wallabag/ImportBundle/Import/WallabagImport.php

@@ -86,6 +86,18 @@ abstract class WallabagImport extends AbstractImport
         return $this;
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function validateEntry(array $importedEntry)
+    {
+        if (empty($importedEntry['url'])) {
+            return false;
+        }
+
+        return true;
+    }
+
     /**
      * {@inheritdoc}
      */