refactoring for fetching content

1 files changed, 92 insertions, 0 deletions

diff --git a/src/Wallabag/CoreBundle/Service/Extractor.php b/src/Wallabag/CoreBundle/Service/Extractor.php
new file mode 100644
index 00000000..790386d4
--- /dev/null
+++ b/src/Wallabag/CoreBundle/Service/Extractor.php
@@ -0,0 +1,92 @@
+<?php
+
+namespace Wallabag\CoreBundle\Service;
+
+use Wallabag\CoreBundle\Helper\Content;
+use Wallabag\Wallabag\Url;
+
+final class Extractor
+{
+    public static function extract($url) {
+        $pageContent = Extractor::getPageContent(new Url(base64_encode($url)));
+        $title = ($pageContent['rss']['channel']['item']['title'] != '') ? $pageContent['rss']['channel']['item']['title'] : _('Untitled');
+        $body = $pageContent['rss']['channel']['item']['description'];
+
+        $content = new Content();
+        $content->setTitle($title);
+        $content->setBody($body);;
+
+        return $content;
+    }
+    /**
+     * Get the content for a given URL (by a call to FullTextFeed)
+     *
+     * @param Url $url
+     * @return mixed
+     */
+    public static function getPageContent(Url $url)
+    {
+        // Saving and clearing context
+        $REAL = array();
+        foreach( $GLOBALS as $key => $value ) {
+            if( $key != 'GLOBALS' && $key != '_SESSION' && $key != 'HTTP_SESSION_VARS' ) {
+                $GLOBALS[$key]  = array();
+                $REAL[$key]     = $value;
+            }
+        }
+        // Saving and clearing session
+        if (isset($_SESSION)) {
+            $REAL_SESSION = array();
+            foreach( $_SESSION as $key => $value ) {
+                $REAL_SESSION[$key] = $value;
+                unset($_SESSION[$key]);
+            }
+        }
+
+        // Running code in different context
+        $scope = function() {
+            extract( func_get_arg(1) );
+            $_GET = $_REQUEST = array(
+                "url" => $url->getUrl(),
+                "max" => 5,
+                "links" => "preserve",
+                "exc" => "",
+                "format" => "json",
+                "submit" => "Create Feed"
+            );
+            ob_start();
+            require func_get_arg(0);
+            $json = ob_get_contents();
+            ob_end_clean();
+            return $json;
+        };
+
+        // Silence $scope function to avoid
+        // issues with FTRSS when error_reporting is to high
+        // FTRSS generates PHP warnings which break output
+        $json = @$scope(__DIR__ . "/../../../../vendor/wallabag/Fivefilters_Libraries/makefulltextfeed.php", array("url" => $url));
+
+        // Clearing and restoring context
+        foreach ($GLOBALS as $key => $value) {
+            if($key != "GLOBALS" && $key != "_SESSION" ) {
+                unset($GLOBALS[$key]);
+            }
+        }
+        foreach ($REAL as $key => $value) {
+            $GLOBALS[$key] = $value;
+        }
+
+        // Clearing and restoring session
+        if (isset($REAL_SESSION)) {
+            foreach($_SESSION as $key => $value) {
+                unset($_SESSION[$key]);
+            }
+
+            foreach($REAL_SESSION as $key => $value) {
+                $_SESSION[$key] = $value;
+            }
+        }
+
+        return json_decode($json, true);
+    }
+}
\ No newline at end of file