Clean business group add

group/forms.py

@@ -1,7 +1,10 @@
+# encoding: utf-8
 import os
 
 from django import forms
 
+from seahub.utils import validate_group_name
+
 class MessageForm(forms.Form):
     message = forms.CharField(max_length=500)
 
@@ -16,3 +19,19 @@ class GroupRecommendForm(MessageForm):
     repo_id = forms.CharField(max_length=40)
     path = forms.CharField()
     attach_type = forms.CharField(max_length=5)
+
+class GroupAddForm(forms.Form):
+    """
+    A form used to add a new group.
+    """
+    group_name = forms.CharField(max_length=255, error_messages={
+            'required': u'小组名称不能为空',
+            'max_length': u'小组名称太长，不超过255个字符',
+            })
+    def clean_group_name(self):
+        group_name = self.cleaned_data['group_name']
+        if not validate_group_name(group_name):
+            error_msg = u'小组名称只能包含中英文字符，数字及下划线。'
+            raise forms.ValidationError(error_msg)
+        else:
+            return group_name