some new field types handled

Author: essediweb

elastic_framework/contrib/auth/permissions.py

@@ -0,0 +1,8 @@
+from rest_framework.exceptions import PermissionDenied
+
+def check_user_is_owner(user, request):
+    ''' Check if user request is the owner of the requested entity
+    if not it raise an exception
+    '''
+    if not user == request.user:
+        raise PermissionDenied()

elastic_framework/db/__init__.py

@@ -0,0 +1,57 @@
+''' Here we define all fields type
+
+
+'''
+
+from __future__ import absolute_import
+
+from django.db import models
+from south.modelsinspector import add_introspection_rules
+
+
+class CountryField(models.CharField):
+
+    # XXX TODO: define the list of value for CountrField...
+    # same value must be used for LanguageField
+    def __init__(self, name=None, **kwargs):
+        field_params = {'max_length': 2, 'blank': True, 'null': True}
+        field_params.update(kwargs)
+        super(CountryField, self).__init__(name=name, **field_params)
+
+class CurrencyField(models.CharField):
+
+    # XXX TODO: define the list of value for CurrencyField...
+    def __init__(self, name=None, **kwargs):
+        field_params = {'max_length': 3, 'blank': True, 'null': True}
+        field_params.update(kwargs)
+        super(CurrencyField, self).__init__(name=name, **field_params)
+
+
+class CharListField(models.TextField):
+    ''' In the model this type of field is a list of strings
+    i.e. ['red', 'green', 'yellow']
+    that in db is represented by 'red,green,yellow'
+    
+    '''
+    __metaclass__ = models.SubfieldBase
+
+    def get_prep_value(self, value):
+        '''transform list of strings into comma-separeted string value'''
+        if value is None:
+            return None
+        return u','.join(value)
+
+    def to_python(self, value):
+        ''' '''
+        if value is None:
+            return []
+        if isinstance(value, basestring):
+            return value.split(u',')
+        return value
+
+
+add_introspection_rules([], ["^elastic_frameworks\.db\.fields\.CountryField"])
+
+add_introspection_rules([], ["^elastic_frameworks\.db\.fields\.CurrencyField"])
+
+add_introspection_rules([], ["^elastic_frameworks\.db\.fields\.CharListField"])