portal/slicerequestview.py

   1 from django.shortcuts           import render
   2 from django.contrib.sites.models import Site
   3
   4
   5 from unfold.page                import Page
   6
   7 from manifold.core.query        import Query
   8 from manifoldapi.manifoldapi    import execute_admin_query, execute_query
   9
  10 from portal.actions             import is_pi, create_slice, create_pending_slice
  11 #from portal.forms               import SliceRequestForm
  12 from unfold.loginrequired       import LoginRequiredAutoLogoutView
  13 from ui.topmenu                 import topmenu_items_live, the_user
  14
  15 from myslice.theme import ThemeView
  16
  17 import json, time, re
  18
  19 class SliceRequestView (LoginRequiredAutoLogoutView, ThemeView):
  20     template_name = 'slicerequest_view.html'
  21
  22     # because we inherit LoginRequiredAutoLogoutView that is implemented by redefining 'dispatch'
  23     # we cannot redefine dispatch here, or we'd lose LoginRequired and AutoLogout behaviours
  24     def post (self, request):
  25         return self.get_or_post (request, 'POST')
  26
  27     def get (self, request):
  28         return self.get_or_post (request, 'GET')
  29
  30     def get_or_post  (self, wsgi_request, method):
  31         """
  32         """
  33         errors = []
  34         slice_name =''
  35         purpose=''
  36         exp_url=''
  37         # Retrieve the list of authorities
  38         authorities_query = Query.get('authority').select('name', 'authority_hrn')
  39         authorities = execute_admin_query(wsgi_request, authorities_query)
  40         if authorities is not None:
  41             authorities = sorted(authorities)
  42
  43         # Get user_email (XXX Would deserve to be simplified)
  44         user_query  = Query().get('local:user').select('email','config')
  45         user_details = execute_query(wsgi_request, user_query)
  46         user_email = user_details[0].get('email')
  47         # getting user_hrn
  48         for user_detail in user_details:
  49             user_config = json.loads(user_detail['config'])
  50             user_authority = user_config.get('authority','N/A')
  51         # getting the org from authority
  52         for authority in authorities:
  53             if authority['authority_hrn'] == user_authority:
  54                 authority_name = authority['name']
  55
  56         #
  57         account_query  = Query().get('local:account').select('user_id','platform_id','auth_type','config')
  58         account_details = execute_query(wsgi_request, account_query)
  59         #
  60         platform_query  = Query().get('local:platform').select('platform_id','platform','gateway_type','disabled')
  61         platform_details = execute_query(wsgi_request, platform_query)
  62         user_hrn = None
  63         # getting user_hrn from local:account
  64         for account_detail in account_details:
  65             for platform_detail in platform_details:
  66                 if platform_detail['platform_id'] == account_detail['platform_id']:
  67                     # taking user_hrn only from myslice account
  68                     # NOTE: we should later handle accounts filter_by auth_type= managed OR user
  69                     if 'myslice' in platform_detail['platform']:
  70                         account_config = json.loads(account_detail['config'])
  71                         user_hrn = account_config.get('user_hrn','N/A')
  72                         acc_auth_cred = account_config.get('delegated_authority_credentials','N/A')
  73
  74
  75         # checking if pi or not
  76         if acc_auth_cred == {} or acc_auth_cred == 'N/A':
  77             pi = "is_not_pi"
  78         else:
  79             pi = "is_pi"
  80
  81
  82         # Page rendering
  83         page = Page(wsgi_request)
  84         page.add_js_files  ( [ "js/jquery.validate.js", "js/jquery-ui.js" ] )
  85         page.add_css_files ( [ "https://code.jquery.com/ui/1.10.3/themes/smoothness/jquery-ui.css" ] )
  86         page.expose_js_metadata()
  87
  88         if method == 'POST':
  89             # The form has been submitted
  90
  91             # get the domain url
  92             current_site = Site.objects.get_current()
  93             current_site = current_site.domain
  94
  95             # getting the authority_hrn from the selected organization
  96             for authority in authorities:
  97                 if authority['name'] == wsgi_request.POST.get('org_name', ''):
  98                     authority_hrn = authority['authority_hrn']
  99
 100             # Handle the case when the template uses only hrn and not name
 101             if not authority_hrn:
 102                 authority_hrn = wsgi_request.POST.get('org_name', '')
 103
 104             slice_request = {
 105                 'type'              : 'slice',
 106                 'id'                : None,
 107                 'user_hrn'          : user_hrn,
 108                 'email'             : user_email,
 109                 'timestamp'         : time.time(),
 110                 'authority_hrn'     : authority_hrn,
 111                 'organization'      : wsgi_request.POST.get('org_name', ''),
 112                 'slice_name'        : wsgi_request.POST.get('slice_name', ''),
 113                 'exp_url'           : wsgi_request.POST.get('exp_url', ''),
 114                 'purpose'           : wsgi_request.POST.get('purpose', ''),
 115                 'current_site'      : current_site
 116             }
 117
 118             # create slice_hrn based on authority_hrn and slice_name
 119             slice_name = slice_request['slice_name']
 120             req_slice_hrn = authority_hrn + '.' + slice_name
 121             # comparing requested slice_hrn with the existing slice_hrn
 122             slice_query  = Query().get('slice').select('slice_hrn','parent_authority').filter_by('parent_authority','==',authority_hrn)
 123             slice_details_sfa = execute_admin_query(wsgi_request, slice_query)
 124             for _slice in slice_details_sfa:
 125                 if _slice['slice_hrn'] == req_slice_hrn:
 126                     errors.append('Slice already exists. Please use a different slice name.')
 127
 128
 129             # What kind of slice name is valid?
 130             if (slice_name is None or slice_name == ''):
 131                 errors.append('Slice name is mandatory')
 132
 133             if (re.search(r'^[A-Za-z0-9_]*$', slice_name) == None):
 134                 errors.append('Slice name may contain only letters, numbers, and underscore.')
 135
 136             organization = slice_request['organization']
 137             if (organization is None or organization == ''):
 138                 errors.append('Organization is mandatory')
 139
 140
 141
 142             purpose = slice_request['purpose']
 143             if (purpose is None or purpose == ''):
 144                 errors.append('Experiment purpose is mandatory')
 145
 146             exp_url = slice_request['exp_url']
 147
 148             if not errors:
 149                 if is_pi(wsgi_request, user_hrn, authority_hrn):
 150                     # PIs can directly create slices in their own authority...
 151                     create_slice(wsgi_request, slice_request)
 152                     self.template_name = 'slice-request-done-view.html'
 153                 else:
 154                     # Otherwise a wsgi_request is sent to the PI
 155                     create_pending_slice(wsgi_request, slice_request, user_email)
 156                     self.template_name = 'slice-request-ack-view.html'
 157
 158                 return render(wsgi_request, self.template, {'theme': self.theme}) # Redirect after POST
 159         else:
 160             slice_request = {}
 161
 162         template_env = {
 163             'username': wsgi_request.user.email,
 164             'topmenu_items': topmenu_items_live('Request a slice', page),
 165             'errors': errors,
 166             'slice_name': slice_name,
 167             'purpose': purpose,
 168             'email': user_email,
 169             'user_hrn': user_hrn,
 170             'exp_url': exp_url,
 171             'pi': pi,
 172             'authority_name': authority_name,
 173             'authority_hrn': user_authority,
 174             'cc_myself': True,
 175             'authorities': authorities,
 176             'theme': self.theme,
 177             'section': "Slice request"
 178         }
 179         template_env.update(slice_request)
 180         template_env.update(page.prelude_env())
 181         return render(wsgi_request, self.template, template_env)