X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=ldapdb%2Fmodels%2Ffields.py;h=5e85062407847b2a7735ec0b83eece3c38c7a427;hb=089876639ebce60a85a285d7ab076797fa96c20c;hp=fe91601f6053d8c9c74d27f3e330f880201d242d;hpb=410870e98c85639ac9646f61af06a1667c226ca3;p=matthijs%2Fupstream%2Fdjango-ldapdb.git

diff --git a/ldapdb/models/fields.py b/ldapdb/models/fields.py
index fe91601..5e85062 100644
--- a/ldapdb/models/fields.py
+++ b/ldapdb/models/fields.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # 
 # django-ldapdb
-# Copyright (C) 2009 Bolloré telecom
+# Copyright (C) 2009-2010 Bolloré telecom
 # See AUTHORS file for a full list of contributors.
 # 
 # This program is free software: you can redistribute it and/or modify
@@ -20,33 +20,76 @@
 
 from django.db.models import fields, SubfieldBase
 
+from ldapdb import escape_ldap_filter
+
 class CharField(fields.CharField):
     def __init__(self, *args, **kwargs):
         kwargs['max_length'] = 200
         super(CharField, self).__init__(*args, **kwargs)
 
-    def get_db_prep_value(self, value):
-        """Returns field's value prepared for interacting with the database
-        backend.
+    def get_db_prep_lookup(self, lookup_type, value):
+        "Returns field's value prepared for database lookup."
+        if lookup_type == 'endswith':
+            return ["*%s" % escape_ldap_filter(value)]
+        elif lookup_type == 'startswith':
+            return ["%s*" % escape_ldap_filter(value)]
+        elif lookup_type == 'contains':
+            return ["*%s*" % escape_ldap_filter(value)]
+        elif lookup_type == 'exact':
+            return [escape_ldap_filter(value)]
+        elif lookup_type == 'in':
+            return [escape_ldap_filter(v) for v in value]
+
+        raise TypeError("CharField has invalid lookup: %s" % lookup_type)
 
-        Used by the default implementations of ``get_db_prep_save``and
-        `get_db_prep_lookup```
-        """
-        return value.replace('\\', '\\5c') \
-                    .replace('*', '\\2a') \
-                    .replace('(', '\\28') \
-                    .replace(')', '\\29') \
-                    .replace('\0', '\\00')
+    def get_prep_lookup(self, lookup_type, value):
+        "Perform preliminary non-db specific lookup checks and conversions"
+        if lookup_type == 'endswith':
+            return "*%s" % escape_ldap_filter(value)
+        elif lookup_type == 'startswith':
+            return "%s*" % escape_ldap_filter(value)
+        elif lookup_type == 'contains':
+            return "*%s*" % escape_ldap_filter(value)
+        elif lookup_type == 'exact':
+            return escape_ldap_filter(value)
+        elif lookup_type == 'in':
+            return [escape_ldap_filter(v) for v in value]
+
+        raise TypeError("CharField has invalid lookup: %s" % lookup_type)
 
 class ImageField(fields.Field):
-    pass
+    def get_db_prep_lookup(self, lookup_type, value):
+        "Returns field's value prepared for database lookup."
+        return [self.get_prep_lookup(lookup_type, value)]
+
+    def get_prep_lookup(self, lookup_type, value):
+        "Perform preliminary non-db specific lookup checks and conversions"
+        raise TypeError("ImageField has invalid lookup: %s" % lookup_type)
 
 class IntegerField(fields.IntegerField):
-    pass
+    def get_db_prep_lookup(self, lookup_type, value):
+        "Returns field's value prepared for database lookup."
+        return [self.get_prep_lookup(lookup_type, value)]
+
+    def get_prep_lookup(self, lookup_type, value):
+        "Perform preliminary non-db specific lookup checks and conversions"
+        if lookup_type in ('exact', 'gte', 'lte'):
+            return value
+        raise TypeError("IntegerField has invalid lookup: %s" % lookup_type)
 
 class ListField(fields.Field):
     __metaclass__ = SubfieldBase
 
+    def get_db_prep_lookup(self, lookup_type, value):
+        "Returns field's value prepared for database lookup."
+        return [self.get_prep_lookup(lookup_type, value)]
+
+    def get_prep_lookup(self, lookup_type, value):
+        "Perform preliminary non-db specific lookup checks and conversions"
+        if lookup_type == 'contains':
+            return escape_ldap_filter(value)
+        raise TypeError("ListField has invalid lookup: %s" % lookup_type)
+
     def to_python(self, value):
         if not value:
             return []