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_admin_query, 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 ui.topmenu                  import topmenu_items, the_user
  13
  14 class SliceRequestView (LoginRequiredAutoLogoutView):
  15
  16     def authority_hrn_initial (self, request):
  17         authorities_query = Query.get('authority').\
  18             select('name', 'authority_hrn')
  19
  20         onelab_enabled_query = Query.get('local:platform').filter_by('platform', '==', 'ple-onelab').filter_by('disabled', '==', 'False')
  21         onelab_enabled = not not execute_admin_query(request, onelab_enabled_query)
  22         if onelab_enabled:
  23             authorities_query = authorities_query.filter_by('authority_hrn', 'included', ['ple.inria', 'ple.upmc', 'ple.ibbtple'])
  24
  25         authorities = execute_admin_query(request, authorities_query)
  26         #authorities = sorted(authorities)
  27
  28         authority_hrn_tuples = [ (authority['authority_hrn'], authority['name'] if authority['name'] else authority['authority_hrn'],) for authority in authorities ]
  29         print "authority_hrn_tuples=", authority_hrn_tuples
  30         return {'authority_hrn': authority_hrn_tuples}
  31
  32     # because we inherit LoginRequiredAutoLogoutView that is implemented by redefining 'dispatch'
  33     # we cannot redefine dispatch here, or we'd lose LoginRequired and AutoLogout behaviours
  34     def post (self, request):
  35
  36         # The form has been submitted
  37         form = SliceRequestForm(request.POST, initial=self.authority_hrn_initial(request))
  38
  39         if form.is_valid():
  40             slice_name      = form.cleaned_data['slice_name']
  41             authority_hrn   = form.cleaned_data['authority_hrn']
  42             number_of_nodes = form.cleaned_data['number_of_nodes']
  43             type_of_nodes   = form.cleaned_data['type_of_nodes']
  44             purpose         = form.cleaned_data['purpose']
  45
  46             s = PendingSlice(
  47                 slice_name      = slice_name,
  48                 authority_hrn   = authority_hrn,
  49                 number_of_nodes = number_of_nodes,
  50                 type_of_nodes   = type_of_nodes,
  51                 purpose         = purpose
  52             )
  53             s.save()
  54
  55             # All validation rules pass; process data in form.cleaned_data
  56             # slice_name, number_of_nodes, type_of_nodes, purpose
  57             email = form.cleaned_data['email'] # email of the sender
  58             cc_myself = form.cleaned_data['cc_myself']
  59
  60             # The recipients are the PI of the authority
  61             recipients = authority_get_pi_emails(request, authority_hrn)
  62
  63             if cc_myself:
  64                 recipients.append(email)
  65             msg = render_to_string('slice-request-email.txt', form.cleaned_data)
  66             print "email, msg, email, recipients", email , msg, email, recipients
  67             send_mail("Onelab user %s requested a slice"%email , msg, email, recipients)
  68
  69             return render(request,'slice-request-ack-view.html') # Redirect after POST
  70         else:
  71             return self._display (request, form)
  72
  73     def get (self, request):
  74         return self._display (request, SliceRequestForm(initial=self.authority_hrn_initial(request)))
  75
  76     def _display (self, request, form):
  77         return render(request, 'slice-request-view.html', {
  78                 'form': form,
  79                 'topmenu_items': topmenu_items('Request a slice', request),
  80                 'username': the_user (request)
  81                 })
  82
  83