Upgrade doc - add dependancies

1 files changed, 52 insertions, 0 deletions

diff --git a/chimere/managers.py b/chimere/managers.py
new file mode 100644
index 0000000..7aec72f
--- /dev/null
+++ b/chimere/managers.py
@@ -0,0 +1,52 @@
+# -*- coding: utf-8 -*-
+import sys
+
+from django.contrib.gis.db import models
+
+from logging import getLogger
+from datetime import datetime, date, timedelta
+
+from django.conf import settings
+
+# BASE
+class BaseGeoQuerySet(models.query.QuerySet):
+    """
+    Custom queryset for Geo objects.
+    """
+    def available(self):
+        """ Chainable filter to retrieve only available elements. """
+        return self.filter(status="A")
+    
+    def submited(self):
+        """ Chainable filter to retrieve only submited elements. """
+        return self.filter(status="A")
+    
+    def active(self):
+        """
+        Returns objects where within the active date period of events.
+        """
+        # Fields are not set in the model in this case
+        if not settings.CHIMERE_DAYS_BEFORE_EVENT:
+            return self
+        today = date.today()
+        after = today + timedelta(settings.CHIMERE_DAYS_BEFORE_EVENT)
+        return self.filter(end_date__gte=today, start_date__lte=after)
+    
+class BaseGeoManager(models.GeoManager):
+    """
+    Custom base manager for Geo objects.
+    """
+    def get_query_set(self):
+        """ Use our custom QuerySet. """
+        return BaseGeoQuerySet(self.model)
+    
+    # Methods defined in the queryset that we also want exposed in the
+    # It would be nice to implement it with a magic method instead, later :)
+    def available(self):
+        return self.get_query_set().available()
+    
+    def submited(self):
+        return self.get_query_set().submited()
+    
+    def active(self):
+        return self.get_query_set().active()