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 unfold.page                import Page
   6
   7 from manifold.core.query         import Query
   8 from manifold.manifoldapi        import execute_admin_query, execute_query
   9
  10 from portal.models               import PendingSlice
  11 from portal.actions              import authority_get_pi_emails
  12 from portal.forms                import SliceRequestForm
  13 from unfold.loginrequired        import LoginRequiredAutoLogoutView
  14 from ui.topmenu                  import topmenu_items_live, the_user
  15
  16 import json
  17
  18 class SliceRequestView (LoginRequiredAutoLogoutView):
  19     def __init__ (self):
  20         self.user_email = ''
  21         self.errors = []
  22
  23     # because we inherit LoginRequiredAutoLogoutView that is implemented by redefining 'dispatch'
  24     # we cannot redefine dispatch here, or we'd lose LoginRequired and AutoLogout behaviours
  25     def post (self, request):
  26         return self.get_or_post (request, 'POST')
  27
  28     def get (self, request):
  29         return self.get_or_post (request, 'GET')
  30
  31     def get_or_post  (self, request, method):
  32         # Using cache manifold-tables to get the list of authorities faster
  33         authorities_query = Query.get('authority').select('name', 'authority_hrn')
  34         authorities = execute_admin_query(request, authorities_query)
  35         if authorities is not None:
  36             authorities = sorted(authorities)
  37
  38         user_query  = Query().get('local:user').select('email')
  39         user_email = execute_query(self.request, user_query)
  40         self.user_email = user_email[0].get('email')
  41
  42
  43         account_query  = Query().get('local:account').select('user_id','platform_id','auth_type','config')
  44         account_details = execute_query(self.request, account_query)
  45
  46         platform_query  = Query().get('local:platform').select('platform_id','platform','gateway_type','disabled')
  47         platform_details = execute_query(self.request, platform_query)
  48
  49         # getting user_hrn from local:account
  50         for account_detail in account_details:
  51             for platform_detail in platform_details:
  52                 if platform_detail['platform_id'] == account_detail['platform_id']:
  53                     # taking user_hrn only from myslice account
  54                     # NOTE: we should later handle accounts filter_by auth_type= managed OR user
  55                     if 'myslice' in platform_detail['platform']:
  56                         account_config = json.loads(account_detail['config'])
  57                         user_hrn = account_config.get('user_hrn','N/A')
  58
  59
  60         #user_query  = Query().get('user').select('user_hrn').filter_by('user_hrn','==','$user_hrn')
  61         #user_hrn = execute_query(self.request, user_query)
  62         #self.user_hrn = user_hrn[0].get('user_hrn')
  63
  64
  65         page = Page(request)
  66         page.add_css_files ( [ "http://code.jquery.com/ui/1.10.3/themes/smoothness/jquery-ui.css" ] )
  67
  68         if method == 'POST':
  69             self.errors = []
  70
  71             # The form has been submitted
  72             slice_name = request.POST.get('slice_name', '')
  73             authority_hrn = request.POST.get('authority_hrn', '')
  74             number_of_nodes = request.POST.get('number_of_nodes', '')
  75             purpose = request.POST.get('purpose', '')
  76             email = self.user_email
  77             user_hrn = user_hrn
  78             cc_myself = True
  79
  80             if (authority_hrn is None or authority_hrn == ''):
  81                 self.errors.append('Please, select an authority')
  82             # What kind of slice name is valid?
  83             if (slice_name is None or slice_name == ''):
  84                 self.errors.append('Slice Name is mandatory')
  85
  86             if (purpose is None or purpose == ''):
  87                 self.errors.append('Purpose is mandatory')
  88
  89             if not self.errors:
  90                 ctx = {
  91                     'email': email,
  92                     'slice_name': slice_name,
  93                     'authority_hrn': authority_hrn,
  94                     'number_of_nodes': number_of_nodes,
  95                     'purpose': purpose,
  96                 }
  97                 s = PendingSlice(
  98                     slice_name      = slice_name,
  99                     user_hrn        = user_hrn,
 100                     authority_hrn   = authority_hrn,
 101                     number_of_nodes = number_of_nodes,
 102                     purpose         = purpose
 103                 )
 104                 s.save()
 105
 106                 # The recipients are the PI of the authority
 107                 recipients = authority_get_pi_emails(request, authority_hrn)
 108
 109                 if cc_myself:
 110                     recipients.append(email)
 111                 msg = render_to_string('slice-request-email.txt', ctx)
 112                 #print "email, msg, email, recipients", email , msg, email, recipients
 113                 send_mail("Onelab user %s requested a slice"%email , msg, email, recipients)
 114
 115                 return render(request,'slice-request-ack-view.html') # Redirect after POST
 116
 117         template_env = {
 118           'topmenu_items': topmenu_items_live('Request a slice', page),
 119           'errors': self.errors,
 120           'slice_name': request.POST.get('slice_name', ''),
 121           'authority_hrn': request.POST.get('authority_hrn', ''),
 122           'number_of_nodes': request.POST.get('number_of_nodes', ''),
 123           'purpose': request.POST.get('purpose', ''),
 124           'email': self.user_email,
 125           'user_hrn': user_hrn,
 126           'cc_myself': True,
 127           'authorities': authorities,
 128         }
 129         template_env.update(page.prelude_env ())
 130         return render(request, 'slicerequest_view.html',template_env)