--- a/src/pyams_content/shared/view/interfaces.py	Mon Nov 26 17:06:03 2018 +0100
+++ b/src/pyams_content/shared/view/interfaces.py	Tue Nov 27 08:50:02 2018 +0100
@@ -30,6 +30,7 @@
 VIEW_CONTENT_TYPE = 'view'
 VIEW_CONTENT_NAME = _('View')
 
+RELEVANCE_ORDER = 'relevance'
 CREATION_DATE_ORDER = 'created_date'
 UPDATE_DATE_ORDER = 'modified_date'
 PUBLICATION_DATE_ORDER = 'publication_date'
@@ -46,6 +47,18 @@
                                           for item in VIEW_ORDERS])
 
 
+USER_VIEW_ORDERS = (
+    {'id': RELEVANCE_ORDER, 'title': _("Relevance (on user search)")},
+    {'id': CREATION_DATE_ORDER, 'title': _("Creation date")},
+    {'id': UPDATE_DATE_ORDER, 'title': _("Last update date")},
+    {'id': PUBLICATION_DATE_ORDER, 'title': _("Current publication date")},
+    {'id': FIRSTPUBLICATION_DATE_ORDER, 'title': _("First publication date")}
+)
+
+USER_VIEW_ORDER_VOCABULARY = SimpleVocabulary([SimpleTerm(item['id'], title=item['title'])
+                                               for item in USER_VIEW_ORDERS])
+
+
 class IViewsManager(ISharedTool):
     """Views manager interface"""
 
@@ -101,7 +114,8 @@
 
     is_using_context = Attribute("Check if view is using context settings")
 
-    def get_results(self, context, sort_index=None, reverse=True, limit=None, ignore_cache=False):
+    def get_results(self, context, sort_index=None, reverse=True, limit=None,
+                    start=0, length=999, ignore_cache=False, get_count=False):
         """Get results of catalog query"""
 
 
@@ -122,8 +136,18 @@
 class IViewQuery(Interface):
     """View query interface"""
 
+    def get_params(self, context):
+        """Get static view query params"""
+
     def get_results(self, context, sort_index, reverse, limit):
-        """Get results of catalog query"""
+        """Get tuple of limited results and total results count"""
+
+
+class IViewUserQuery(Interface):
+    """View user search query interface"""
+
+    def get_user_params(self, request):
+        """Get dynamic user query params"""
 
 
 class IViewQueryExtension(Interface):