add bookmark

app/routes/anpdf.php

@@ -133,6 +133,31 @@ function text_kuri(){
 
 
 
+//закладки - пока только куки
+function bookmark_get($hash){
+    
+    $bookcook = 'book_'.$hash;
+   
+    if (isset($_COOKIE[$bookcook]))
+        return $_COOKIE[$bookcook];
+    else
+        return false;    
+
+}
+
+
+
+function bookmark_set($hash, $page){
+    
+    $bookcook = 'book_'.$hash;
+    $_COOKIE[$bookcook] = $page;
+
+    return true;
+
+}
+
+
+
 function promo_kuri($hash, $page = 1, $promo = true){
 
     # test url http://klan.dv/promo/bac343b41b357fdc8243373a429caa62 (742.pdf source)
@@ -145,6 +170,21 @@ function promo_kuri($hash, $page = 1, $promo = true){
         return False;     
     }
 
+    if ($page == 1){
+        $bookmark = bookmark_get($hash);
+        if ($bookmark !== false and $bookmark > 1){
+            header("HTTP/1.1 301 Moved Permanently"); 
+            header('Location: '.SITE.'read/'.$hash.'/'.$page.'/'.$promo); 
+            exit(); 
+        }
+
+    }
+    else {
+        bookmark_set($hash, $page);
+    }
+    
+
+
     $file = PDFSOURCE."${price['price_id']}.pdf";
     $data = pdfs_init($file, $page);