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, clear_user_creds, authority_check_pis
  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 import activity.user
  20
  21 class SliceRequestView (LoginRequiredAutoLogoutView, ThemeView):
  22     template_name = 'slicerequest_view.html'
  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         return self.get_or_post (request, 'POST')
  28
  29     def get (self, request):
  30         return self.get_or_post (request, 'GET')
  31
  32     def get_or_post  (self, wsgi_request, method):
  33         """
  34         """
  35         errors = []
  36         slice_name =''
  37         purpose=''
  38         url=''
  39         authority_hrn = None
  40         authority_name = None
  41         # Retrieve the list of authorities
  42         authorities_query = Query.get('authority').select('name', 'authority_hrn')
  43         authorities = execute_admin_query(wsgi_request, authorities_query)
  44         if authorities is not None:
  45             authorities = sorted(authorities, key=lambda k: k['authority_hrn'])
  46             authorities = sorted(authorities, key=lambda k: k['name'])
  47
  48         # Get user_email (XXX Would deserve to be simplified)
  49         user_query  = Query().get('local:user').select('email','config')
  50         user_details = execute_query(wsgi_request, user_query)
  51         user_email = user_details[0].get('email')
  52         # getting user_hrn
  53         for user_detail in user_details:
  54             user_config = json.loads(user_detail['config'])
  55             user_authority = user_config.get('authority','N/A')
  56         # getting the org from authority
  57         for authority in authorities:
  58             if authority['authority_hrn'] == user_authority:
  59                 authority_name = authority['name']
  60
  61         # Handle the case when we use only hrn and not name
  62         if authority_name is None:
  63             authority_name = user_authority
  64
  65         account_query  = Query().get('local:account').select('user_id','platform_id','auth_type','config')
  66         account_details = execute_query(wsgi_request, account_query)
  67
  68         platform_query  = Query().get('local:platform').select('platform_id','platform','gateway_type','disabled')
  69         platform_details = execute_query(wsgi_request, platform_query)
  70         user_hrn = None
  71         #getting user_hrn from local:account
  72         for account_detail in account_details:
  73             for platform_detail in platform_details:
  74                 if platform_detail['platform_id'] == account_detail['platform_id']:
  75                     # taking user_hrn only from myslice account
  76                     # NOTE: we should later handle accounts filter_by auth_type= managed OR user
  77                     if 'myslice' in platform_detail['platform']:
  78                         account_config = json.loads(account_detail['config'])
  79                         user_hrn = account_config.get('user_hrn','N/A')
  80         #                acc_auth_cred = account_config.get('delegated_authority_credentials','N/A')
  81
  82
  83         # checking if pi or not
  84         #if acc_auth_cred == {} or acc_auth_cred == 'N/A':
  85         #    pi = "is_not_pi"
  86         #else:
  87         #    pi = "is_pi"
  88
  89         pi = authority_check_pis (wsgi_request, user_email)
  90         print "SLICEREQUESTVIEW.PY -----  pi=",pi
  91
  92         # Page rendering
  93         page = Page(wsgi_request)
  94         page.add_js_files  ( [ "js/jquery.validate.js", "js/jquery-ui.js" ] )
  95         page.add_css_files ( [ "css/jquery-ui.css" ] )
  96         page.expose_js_metadata()
  97
  98         if method == 'POST':
  99             # The form has been submitted
 100
 101             # get the domain url
 102             current_site = Site.objects.get_current()
 103             current_site = current_site.domain
 104
 105             # getting the authority_hrn from the selected organization
 106             for authority in authorities:
 107                 if authority['name'] == wsgi_request.POST.get('org_name', ''):
 108                     authority_hrn = authority['authority_hrn']
 109
 110             # Handle the case when we use only hrn and not name
 111             if authority_hrn is None:
 112                 authority_hrn = wsgi_request.POST.get('org_name', '')
 113
 114             # Handle project if used
 115             project = wsgi_request.POST.get('project', None)
 116             if project is not None and project != '':
 117                 authority_hrn = project
 118
 119             slice_request = {
 120                 'type'              : 'slice',
 121                 'id'                : None,
 122                 'user_hrn'          : user_hrn,
 123                 'email'             : user_email,
 124                 'timestamp'         : time.time(),
 125                 'authority_hrn'     : authority_hrn,
 126                 'organization'      : wsgi_request.POST.get('org_name', ''),
 127                 'slice_name'        : wsgi_request.POST.get('slice_name', ''),
 128                 'url'               : wsgi_request.POST.get('url', ''),
 129                 'purpose'           : wsgi_request.POST.get('purpose', ''),
 130                 'current_site'      : current_site
 131             }
 132
 133             # create slice_hrn based on authority_hrn and slice_name
 134             slice_name = slice_request['slice_name']
 135             req_slice_hrn = authority_hrn + '.' + slice_name
 136             # comparing requested slice_hrn with the existing slice_hrn
 137             slice_query  = Query().get('myslice:slice').select('slice_hrn','parent_authority').filter_by('parent_authority','==',authority_hrn)
 138             slice_details_sfa = execute_admin_query(wsgi_request, slice_query)
 139             for _slice in slice_details_sfa:
 140                 if _slice['slice_hrn'] == req_slice_hrn:
 141                     errors.append('Slice already exists. Please use a different slice name.')
 142
 143
 144             # What kind of slice name is valid?
 145             if (slice_name is None or slice_name == ''):
 146                 errors.append('Slice name is mandatory')
 147
 148             if (re.search(r'^[A-Za-z0-9_]*$', slice_name) == None):
 149                 errors.append('Slice name may contain only letters, numbers, and underscore.')
 150
 151             organization = slice_request['organization']
 152             if (organization is None or organization == ''):
 153                 errors.append('Organization is mandatory')
 154
 155
 156
 157             purpose = slice_request['purpose']
 158             if (purpose is None or purpose == ''):
 159                 errors.append('Experiment purpose is mandatory')
 160
 161             url = slice_request['url']
 162
 163             if not errors:
 164                 if is_pi(wsgi_request, user_hrn, authority_hrn):
 165                     # PIs can directly create slices in their own authority...
 166                     create_slice(wsgi_request, slice_request)
 167                     clear_user_creds(wsgi_request, user_email)
 168                     self.template_name = 'slice-request-done-view.html'
 169                 else:
 170                     # Otherwise a wsgi_request is sent to the PI
 171                     create_pending_slice(wsgi_request, slice_request, user_email)
 172                     self.template_name = 'slice-request-ack-view.html'
 173
 174                 # log user activity
 175                 activity.user.slice(wsgi_request)
 176
 177                 return render(wsgi_request, self.template, {'theme': self.theme}) # Redirect after POST
 178         else:
 179             slice_request = {}
 180
 181         template_env = {
 182             'username': wsgi_request.user.email,
 183             'topmenu_items': topmenu_items_live('Request a slice', page),
 184             'errors': errors,
 185             'slice_name': slice_name,
 186             'purpose': purpose,
 187             'email': user_email,
 188             'user_hrn': user_hrn,
 189             'url': url,
 190             'pi': pi,
 191             'authority_name': authority_name,
 192             'authority_hrn': user_authority,
 193             'cc_myself': True,
 194             'authorities': authorities,
 195             'theme': self.theme,
 196             'section': "Slice request"
 197         }
 198         template_env.update(slice_request)
 199         template_env.update(page.prelude_env())
 200         return render(wsgi_request, self.template, template_env)