use ads4books in legimi plugin

src/calibre/gui2/store/stores/legimi_plugin.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 
 from __future__ import (unicode_literals, division, absolute_import, print_function)
-store_version = 3 # Needed for dynamic plugin loading
+store_version = 4 # Needed for dynamic plugin loading
 
 __license__ = 'GPL 3'
 __copyright__ = '2011-2013, Tomasz Długosz <tomek3d@gmail.com>'
@@ -9,6 +9,7 @@ __docformat__ = 'restructuredtext en'
 
 import re
 import urllib
+from base64 import b64encode
 from contextlib import closing
 
 from lxml import html
@@ -25,18 +26,20 @@ from calibre.gui2.store.web_store_dialog import WebStoreDialog
 class LegimiStore(BasicStoreConfig, StorePlugin):
 
     def open(self, parent=None, detail_item=None, external=False):
+        aff_root = 'https://www.a4b-tracking.com/pl/stat-click-text-link/9/58/'
+
+        url = 'http://www.legimi.com/pl/ebooki/'
+
+        aff_url = aff_root + str(b64encode(url))
 
-        plain_url = 'http://www.legimi.com/pl/ebooki/'
-        url = 'https://ssl.afiliant.com/affskrypt,,2f9de2,,11483,,,?u=(' + plain_url + ')'
         detail_url = None
-
         if detail_item:
-            detail_url = 'https://ssl.afiliant.com/affskrypt,,2f9de2,,11483,,,?u=(' + detail_item + ')'
+            detail_url = aff_root + str(b64encode(detail_item))
 
         if external or self.config.get('open_external', False):
-            open_url(QUrl(url_slash_cleaner(detail_url if detail_url else url)))
+            open_url(QUrl(url_slash_cleaner(detail_url if detail_url else aff_url)))
         else:
-            d = WebStoreDialog(self.gui, url, parent, detail_url)
+            d = WebStoreDialog(self.gui, url, parent, detail_url if detail_url else aff_url)
             d.setWindowTitle(self.name)
             d.set_tags(self.config.get('tags', ''))
             d.exec_()