portal/slicerequestview.py

   1 from django.template.loader      import render_to_string
   2 from django.shortcuts            import render
   3 from django.core.mail            import send_mail
   4
   5 from manifold.core.query         import Query
   6 from manifold.manifoldapi        import execute_query
   7
   8 from portal.models               import PendingSlice
   9 from portal.actions              import authority_get_pi_emails
  10 from portal.forms                import SliceRequestForm
  11 from unfold.loginrequired        import LoginRequiredAutoLogoutView
  12 from myslice.viewutils           import topmenu_items, the_user
  13
  14 class SliceRequestView (LoginRequiredAutoLogoutView):
  15
  16     def authority_hrn_initial (self, request):
  17         authorities_query = Query.get('authority').filter_by('authority_hrn', 'included', ['ple.inria', 'ple.upmc']).select('name', 'authority_hrn')
  18 #        authorities_query = Query.get('authority').select('authority_hrn')
  19         authorities = execute_query(request, authorities_query)
  20
  21         authority_hrn_tuples = [ (authority['authority_hrn'], authority['name'],) for authority in authorities ]
  22         return {'authority_hrn': authority_hrn_tuples}
  23
  24     # because we inherit LoginRequiredAutoLogoutView that is implemented by redefining 'dispatch'
  25     # we cannot redefine dispatch here, or we'd lose LoginRequired and AutoLogout behaviours
  26     def post (self, request):
  27
  28         # The form has been submitted
  29         form = SliceRequestForm(request.POST, initial=self.authority_hrn_initial(request))
  30
  31         if form.is_valid():
  32             slice_name      = form.cleaned_data['slice_name']
  33             authority_hrn   = form.cleaned_data['authority_hrn']
  34             number_of_nodes = form.cleaned_data['number_of_nodes']
  35             type_of_nodes   = form.cleaned_data['type_of_nodes']
  36             purpose         = form.cleaned_data['purpose']
  37
  38             s = PendingSlice(
  39                 slice_name      = slice_name,
  40                 authority_hrn   = authority_hrn,
  41                 number_of_nodes = number_of_nodes,
  42                 type_of_nodes   = type_of_nodes,
  43                 purpose         = purpose
  44             )
  45             s.save()
  46
  47             # All validation rules pass; process data in form.cleaned_data
  48             # slice_name, number_of_nodes, type_of_nodes, purpose
  49             email = form.cleaned_data['email'] # email of the sender
  50             cc_myself = form.cleaned_data['cc_myself']
  51
  52             # The recipients are the PI of the authority
  53             recipients = authority_get_pi_emails(request,authority_hrn)
  54             #recipients = ['yasin.upmc@gmail.com','jordan.auge@lip6.fr']
  55             if cc_myself:
  56                 recipients.append(email)
  57             msg = render_to_string('slice-request-email.txt', form.cleaned_data)
  58             send_mail("Onelab user %s requested a slice"%email , msg, email, recipients)
  59
  60             return render(request,'slice-request-ack-view.html') # Redirect after POST
  61         else:
  62             return self._display (request, form)
  63
  64     def get (self, request):
  65         return self._display (request, SliceRequestForm(initial=self.authority_hrn_initial(request)))
  66
  67     def _display (self, request, form):
  68         return render(request, 'slice-request-view.html', {
  69                 'form': form,
  70                 'topmenu_items': topmenu_items('Request a slice', request),
  71                 'username': the_user (request)
  72                 })
  73
  74