Added a bit of form validation

sso/forms.py

@@ -1,14 +1,24 @@
 from django import forms
 
-from sso.models import ServiceAccount
+from sso.models import ServiceAccount, Service
 
 class EveAPIForm(forms.Form):
     user_id = forms.CharField(max_length=10)
     api_key = forms.CharField(max_length=100)
     description = forms.CharField(max_length=100)
 
-class ServiceAccountForm(forms.ModelForm):
-    class Meta:
-        model = ServiceAccount
-        exclude = ['user', 'active']
+class ServiceUsernameField(forms.CharField):
+    def clean(self, request, initial=None):
+        field = super(ServiceUsernameField, self).clean(request)
+        try:
+            acc = ServiceAccount.objects.get(username=field)
+        except ServiceAccount.DoesNotExist:
+            return field
+        else:
+            raise forms.ValidationError("That username is already taken")
+
+class ServiceAccountForm(forms.Form):
+    service = forms.ModelChoiceField(queryset=Service.objects.filter(active=1), empty_label="Select A Service... ")
+    username = ServiceUsernameField(min_length=4,max_length=50)
+    password = forms.CharField(label = u'Password',widget = forms.PasswordInput(render_value=False))