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         # Using cache manifold-tables to get the list of authorities
  18         authorities_query = Query.get('authority').\
  19             select('name', 'authority_hrn')
  20
  21         #onelab_enabled_query = Query.get('local:platform').filter_by('platform', '==', 'ple-onelab').filter_by('disabled', '==', 'False')
  22         #onelab_enabled = not not execute_admin_query(request, onelab_enabled_query)
  23         #if onelab_enabled:
  24         #authorities_query = Query.get('ple:authority').select('name', 'authority_hrn').filter_by('authority_hrn', 'included', ['ple.inria', 'ple.upmc', 'ple.ibbtple','ple.nitos'])
  25         # Now using Cache
  26
  27         authorities = execute_admin_query(request, authorities_query)
  28         authorities = sorted(authorities)
  29
  30         authority_hrn_tuples = [ (authority['authority_hrn'], authority['name'] if authority['name'] else authority['authority_hrn'],) for authority in authorities ]
  31         print "authority_hrn_tuples=", authority_hrn_tuples
  32         return {'authority_hrn': authority_hrn_tuples}
  33
  34     # because we inherit LoginRequiredAutoLogoutView that is implemented by redefining 'dispatch'
  35     # we cannot redefine dispatch here, or we'd lose LoginRequired and AutoLogout behaviours
  36     def post (self, request):
  37
  38         # The form has been submitted
  39         form = SliceRequestForm(request.POST, initial=self.authority_hrn_initial(request))
  40
  41         if form.is_valid():
  42             slice_name      = form.cleaned_data['slice_name']
  43             authority_hrn   = form.cleaned_data['authority_hrn']
  44             number_of_nodes = form.cleaned_data['number_of_nodes']
  45             type_of_nodes   = form.cleaned_data['type_of_nodes']
  46             purpose         = form.cleaned_data['purpose']
  47
  48             s = PendingSlice(
  49                 slice_name      = slice_name,
  50                 authority_hrn   = authority_hrn,
  51                 number_of_nodes = number_of_nodes,
  52                 type_of_nodes   = type_of_nodes,
  53                 purpose         = purpose
  54             )
  55             s.save()
  56
  57             # All validation rules pass; process data in form.cleaned_data
  58             # slice_name, number_of_nodes, type_of_nodes, purpose
  59             email = form.cleaned_data['email'] # email of the sender
  60             cc_myself = form.cleaned_data['cc_myself']
  61
  62             # The recipients are the PI of the authority
  63             recipients = authority_get_pi_emails(request, authority_hrn)
  64
  65             if cc_myself:
  66                 recipients.append(email)
  67             msg = render_to_string('slice-request-email.txt', form.cleaned_data)
  68             print "email, msg, email, recipients", email , msg, email, recipients
  69             send_mail("Onelab user %s requested a slice"%email , msg, email, recipients)
  70
  71             return render(request,'slice-request-ack-view.html') # Redirect after POST
  72         else:
  73             return self._display (request, form)
  74
  75     def get (self, request):
  76         return self._display (request, SliceRequestForm(initial=self.authority_hrn_initial(request)))
  77
  78     def _display (self, request, form):
  79         return render(request, 'slice-request-view.html', {
  80                 'form': form,
  81                 'topmenu_items': topmenu_items('Request a slice', request),
  82                 'username': the_user (request)
  83                 })
  84
  85