add a delete form model. add custom field for converting unicode to string list

binder/forms.py

@@ -1,14 +1,31 @@
 from django import forms
 from models import Key
 
-RECORD_TYPE_CHOICES = (("A", "A"), ("AAAA", "AAAA"), ("CNAME", "CNAME"))
 TTL_CHOICES = ((300, "5 minutes"),
                (1800, "30 minutes"),
                (3600, "1 hour"),
                (43200, "12 hours"),
                (86400, "1 day"))
 
+RECORD_TYPE_CHOICES = (("A", "A"), ("AAAA", "AAAA"), ("CNAME", "CNAME"))
+
+### Custom Form Fields
+
+class CustomUnicodeListField(forms.CharField):
+    """ Convert unicode item list to list of strings. """
+    def clean(self, value):
+        try:
+            first_parse = eval(value)
+            string_list = [current_item for current_item in first_parse]
+        except:
+            raise ValidationError
+
+        return string_list
+
+### Form Models
+
 class FormAddRecord(forms.Form):
+    """ Form used to add a DNS record. """
     dns_server = forms.CharField(max_length=100)
     record_name = forms.RegexField(max_length=100, regex="^[a-zA-Z0-9-_]+$", required=False)
     record_type = forms.CharField(max_length=10)
@@ -20,9 +37,17 @@ class FormAddRecord(forms.Form):
 
 
 class FormAddCnameRecord(forms.Form):
+    """ Form used to add a CNAME record. """
     dns_server = forms.CharField(max_length=100)
     originating_record = forms.CharField(max_length=100)
     cname = forms.RegexField(max_length=100, regex="^[a-zA-Z0-9-_]+$")
     zone_name = forms.CharField(max_length=256)
     ttl = forms.ChoiceField(choices=TTL_CHOICES)
     key_name = forms.ModelChoiceField(queryset=Key.objects.all(), required=False)
+
+class FormDeleteRecord(forms.Form):
+    """ Final form to delete DNS record(s). """
+    dns_server = forms.CharField(max_length=100)
+    zone_name = forms.CharField(max_length=256)
+    rr_list = CustomUnicodeListField(required=False)
+    key_name = forms.ModelChoiceField(queryset=Key.objects.all(), required=False)