From 6d2cc584cfaea2c57deb03d658565db3091191bd Mon Sep 17 00:00:00 2001
From: Luke Hatcher <lukeman@gmail.com>
Date: Thu, 30 Aug 2012 23:24:08 -0400
Subject: [PATCH] form for slot scheduling

---
 symposion/schedule/forms.py | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 symposion/schedule/forms.py

diff --git a/symposion/schedule/forms.py b/symposion/schedule/forms.py
new file mode 100644
index 00000000..b7aefc7c
--- /dev/null
+++ b/symposion/schedule/forms.py
@@ -0,0 +1,24 @@
+from django import forms
+
+from symposion.schedule.models import Slot, Presentation
+
+
+class SlotEditForm(forms.Form):
+    
+    presentation = forms.ModelChoiceField(
+        queryset=Presentation.objects.filter(slot__isnull=True),
+        required=True,
+    )
+    slot_pk = forms.CharField(
+        max_length=10,
+        widget=forms.HiddenInput,
+        required=True,
+    )
+    
+    def clean_slot_pk(self):
+        value = self.cleaned_data["slot_pk"]
+        try:
+            Slot.objects.get(pk=value)
+        except Slot.DoesNotExist:
+            raise forms.ValidationError("Invalid slot.")
+        return value