X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=ldapdb%2Fmodels%2Fquery.py;h=eb35061ca41e5eb889c34d0e0b90c4425ee9f737;hb=6e4fe5321db424327fb2e85db0acfb8e1ef9b76a;hp=020d4eeb7d4a9bf3d03c6242ad296ade8789e0a2;hpb=3912bd6478e2c17a4ea171840a50d1d78ca2694c;p=matthijs%2Fupstream%2Fdjango-ldapdb.git

diff --git a/ldapdb/models/query.py b/ldapdb/models/query.py
index 020d4ee..eb35061 100644
--- a/ldapdb/models/query.py
+++ b/ldapdb/models/query.py
@@ -75,11 +75,12 @@ class WhereNode(BaseWhereNode):
             obj = Constraint(obj.alias, obj.col, obj.field)
         super(WhereNode, self).add((obj, lookup_type, value), connector)
 
-    def as_sql(self):
+    def as_sql(self, qn=None):
         bits = []
         for item in self.children:
             if isinstance(item, WhereNode):
-                bits.append(item.as_sql())
+                sql, params = item.as_sql()
+                bits.append(sql)
                 continue
 
             constraint, lookup_type, y, values = item
@@ -106,19 +107,44 @@ class WhereNode(BaseWhereNode):
             else:
                 bits.append(clause)
         if len(bits) == 1:
-            return bits[0]
+            sql_string = bits[0]
         elif self.connector == AND:
-            return '(&%s)' % ''.join(bits)
+            sql_string = '(&%s)' % ''.join(bits)
         elif self.connector == OR:
-            return '(|%s)' % ''.join(bits)
+            sql_string = '(|%s)' % ''.join(bits)
         else:
             raise Exception("Unhandled WHERE connector: %s" % self.connector)
+        return sql_string, []
 
 class Query(BaseQuery):
+    def __init__(self, *args, **kwargs):
+        super(Query, self).__init__(*args, **kwargs)
+        self.connection = ldapdb.connection
+
+    def get_count(self):
+        # FIXME: use all object classes
+        filterstr = '(objectClass=%s)' % self.model.object_classes[0]
+        sql, params = self.where.as_sql()
+        filterstr += sql
+        filterstr = '(&%s)' % filterstr
+
+        try:
+            vals = ldapdb.connection.search_s(
+                self.model.base_dn,
+                ldap.SCOPE_SUBTREE,
+                filterstr=filterstr,
+                attrlist=[],
+            )
+        except:
+            raise self.model.DoesNotExist
+
+        return len(vals)
+
     def results_iter(self):
         # FIXME: use all object classes
         filterstr = '(objectClass=%s)' % self.model.object_classes[0]
-        filterstr += self.where.as_sql()
+        sql, params = self.where.as_sql()
+        filterstr += sql
         filterstr = '(&%s)' % filterstr
         attrlist = [ x.db_column for x in self.model._meta.local_fields if x.db_column ]
 
@@ -139,13 +165,21 @@ class Query(BaseQuery):
             ordering = self.order_by
         else:
             ordering = self.order_by or self.model._meta.ordering
-        def getkey(x):
-            keys = []
-            for k in ordering:
-                attr = self.model._meta.get_field(k).db_column
-                keys.append(x[1].get(attr, '').lower())
-            return keys
-        vals = sorted(vals, key=lambda x: getkey(x))
+        def cmpvals(x, y):
+            for field in ordering:
+                if field.startswith('-'):
+                    field = field[1:]
+                    negate = True
+                else:
+                    negate = False
+                attr = self.model._meta.get_field(field).db_column
+                attr_x = x[1].get(attr, '').lower()
+                attr_y = y[1].get(attr, '').lower()
+                val = negate and cmp(attr_y, attr_x) or cmp(attr_x, attr_y)
+                if val:
+                    return val
+            return 0
+        vals = sorted(vals, cmp=cmpvals)
 
         # process results
         for dn, attrs in vals:
@@ -161,12 +195,12 @@ class QuerySet(BaseQuerySet):
     def __init__(self, model=None, query=None, using=None):
         if not query:
             import inspect
-            spec = inspect.getargspec(Query.__init__)
+            spec = inspect.getargspec(BaseQuery.__init__)
             if len(spec[0]) == 3:
                 # django 1.2
                 query = Query(model, WhereNode)
             else:
                 # django 1.1
                 query = Query(model, None, WhereNode)
-        super(QuerySet, self).__init__(model, query)
+        super(QuerySet, self).__init__(model=model, query=query)