Refactor Workflow Manager

Refactors wf manager according to: https://jira.opnfv.org/browse/LAAS-31

Change-Id: I72b4b0b808bb77846f44787fdd146f1053c047b5
Signed-off-by: Parker Berberian <pberberian@iol.unh.edu>
Signed-off-by: Sawyer Bergeron <sbergeron@iol.unh.edu>

1 files changed, 19 insertions, 0 deletions

diff --git a/src/workflow/forms.py b/src/workflow/forms.py
index ee44ecd..a2746f9 100644
--- a/src/workflow/forms.py
+++ b/src/workflow/forms.py
@@ -15,6 +15,7 @@ from django.template.loader import render_to_string
 from django.forms.widgets import NumberInput
 
 import json
+import urllib
 
 from account.models import Lab
 from account.models import UserProfile
@@ -428,6 +429,24 @@ class ConfirmationForm(forms.Form):
     )
 
 
+def validate_step(value):
+    if value not in ["prev", "next", "current"]:
+        raise ValidationError(str(value) + " is not allowed")
+
+
+def validate_step_form(value):
+    try:
+        urllib.parse.unquote_plus(value)
+    except Exception:
+        raise ValidationError("Value is not url encoded data")
+
+
+class ManagerForm(forms.Form):
+    step = forms.CharField(widget=forms.widgets.HiddenInput, validators=[validate_step])
+    step_form = forms.CharField(widget=forms.widgets.HiddenInput, validators=[validate_step_form])
+    # other fields?
+
+
 class OPNFVSelectionForm(forms.Form):
     installer = forms.ModelChoiceField(queryset=Installer.objects.all(), required=True)
     scenario = forms.ModelChoiceField(queryset=Scenario.objects.all(), required=True)