portal/slicerequestview.py

   1 import json
   2 import time
   3 import re
   4
   5 from django.shortcuts           import render
   6 from django.shortcuts           import render_to_response
   7 from django.template                    import RequestContext
   8 from django.contrib.sites.models import Site
   9
  10 from unfold.page                import Page
  11
  12 from manifold.core.query        import Query
  13 from manifoldapi.manifoldapi    import execute_admin_query, execute_query
  14
  15 from portal.actions             import is_pi, create_slice, create_pending_slice, clear_user_creds, authority_check_pis
  16 #from portal.forms               import SliceRequestForm
  17 from unfold.loginrequired       import LoginRequiredAutoLogoutView
  18 from ui.topmenu                 import topmenu_items_live, the_user
  19
  20 from myslice.theme import ThemeView
  21 from myslice.settings import logger
  22
  23 import activity.user
  24 theme = ThemeView()
  25
  26 class SliceRequestView (LoginRequiredAutoLogoutView, ThemeView):
  27     template_name = 'slicerequest_view.html'
  28
  29     # because we inherit LoginRequiredAutoLogoutView that is implemented by redefining 'dispatch'
  30     # we cannot redefine dispatch here, or we'd lose LoginRequired and AutoLogout behaviours
  31     def post (self, request):
  32         return self.get_or_post (request, 'POST')
  33
  34     def get (self, request):
  35         return self.get_or_post (request, 'GET')
  36
  37     def get_or_post  (self, request, method):
  38         """
  39         """
  40
  41         errors = []
  42         slice_name =''
  43         purpose=''
  44         url=''
  45         authority_hrn = None
  46         authority_name = None
  47         # Retrieve the list of authorities
  48         authorities_query = Query.get('authority').select('name', 'authority_hrn')
  49         authorities = execute_admin_query(request, authorities_query)
  50         if authorities is not None:
  51             authorities = sorted(authorities, key=lambda k: k['authority_hrn'])
  52             authorities = sorted(authorities, key=lambda k: k['name'])
  53
  54         # Get user_email (XXX Would deserve to be simplified)
  55         user_query  = Query().get('local:user').select('email','config')
  56         user_details = execute_query(request, user_query)
  57         user_email = user_details[0].get('email')
  58         # getting user_hrn
  59         for user_detail in user_details:
  60             user_config = json.loads(user_detail['config'])
  61             user_authority = user_config.get('authority','N/A')
  62         # getting the org from authority
  63         for authority in authorities:
  64             if authority['authority_hrn'] == user_authority:
  65                 authority_name = authority['name']
  66
  67         # Handle the case when we use only hrn and not name
  68         if authority_name is None:
  69             authority_name = user_authority
  70
  71         account_query  = Query().get('local:account').select('user_id','platform_id','auth_type','config')
  72         account_details = execute_query(request, account_query)
  73
  74         platform_query  = Query().get('local:platform').select('platform_id','platform','gateway_type','disabled')
  75         platform_details = execute_query(request, platform_query)
  76         user_hrn = None
  77         #getting user_hrn from local:account
  78         for account_detail in account_details:
  79             for platform_detail in platform_details:
  80                 if platform_detail['platform_id'] == account_detail['platform_id']:
  81                     # taking user_hrn only from myslice account
  82                     # NOTE: we should later handle accounts filter_by auth_type= managed OR user
  83                     if 'myslice' in platform_detail['platform']:
  84                         account_config = json.loads(account_detail['config'])
  85                         user_hrn = account_config.get('user_hrn','N/A')
  86         #                acc_auth_cred = account_config.get('delegated_authority_credentials','N/A')
  87
  88
  89         # checking if pi or not
  90         #if acc_auth_cred == {} or acc_auth_cred == 'N/A':
  91         #    pi = "is_not_pi"
  92         #else:
  93         #    pi = "is_pi"
  94
  95         pi = authority_check_pis (request, user_email)
  96         logger.debug("SLICEREQUESTVIEW.PY -----  pi= {}".format(pi))
  97
  98         # Page rendering
  99         page = Page(request)
 100         page.add_js_files  ( [ "js/jquery.validate.js", "js/jquery-ui.js" ] )
 101         page.add_css_files ( [ "css/jquery-ui.css" ] )
 102         page.expose_js_metadata()
 103
 104         if method == 'POST':
 105             # The form has been submitted
 106
 107             # get the domain url
 108             current_site = Site.objects.get_current()
 109             current_site = current_site.domain
 110
 111             # getting the authority_hrn from the selected organization
 112             for authority in authorities:
 113                 if authority['name'] == request.POST.get('org_name', ''):
 114                     authority_hrn = authority['authority_hrn']
 115
 116             # Handle the case when we use only hrn and not name
 117             if authority_hrn is None:
 118                 authority_hrn = request.POST.get('org_name', '')
 119
 120             # Handle project if used
 121             project = request.POST.get('project', None)
 122             if project is not None and project != '':
 123                 authority_hrn = project
 124
 125             slice_name = request.POST.get('slice_name', '')
 126             if not slice_name or len(slice_name) == 0 :
 127                 errors.append('Slice name can\'t be empty')
 128
 129             # accept only lowercase names
 130             slice_name = slice_name.lower()
 131
 132             slice_request = {
 133                 'type'              : 'slice',
 134                 'id'                : None,
 135                 'user_hrn'          : user_hrn,
 136                 'email'             : user_email,
 137                 'timestamp'         : time.time(),
 138                 'authority_hrn'     : authority_hrn,
 139                 'organization'      : request.POST.get('org_name', ''),
 140                 'slice_name'        : slice_name,
 141                 'url'               : request.POST.get('url', ''),
 142                 'purpose'           : request.POST.get('purpose', ''),
 143                 'current_site'      : current_site
 144             }
 145
 146             # slice name is unique among all authorities
 147             slice_query = Query().get('myslice:slice').select('slice_hrn')
 148             slice_details_sfa = execute_admin_query(request, slice_query)
 149             for _slice in slice_details_sfa:
 150                 split_list = _slice['slice_hrn'].split('.')
 151                 sfa_slice_name = split_list[-1]
 152                 if sfa_slice_name == slice_name:
 153                     errors.append('Slice already exists. Please use a different slice name.')
 154
 155
 156             # What kind of slice name is valid?
 157             if slice_name is None or slice_name == '':
 158                 errors.append('Slice name is mandatory')
 159
 160             if re.search(r'^[A-Za-z0-9_]*$', slice_name) is None:
 161                 errors.append('Slice name may contain only letters, numbers, and underscore.')
 162
 163             organization = slice_request['organization']
 164             if theme.theme == 'fed4fire':
 165                 if organization is None or organization == '':
 166                     errors.append('Selecting project is mandatory')
 167             else:
 168                 if organization is None or organization == '':
 169                     errors.append('Organization is mandatory')
 170
 171             slice_length= len(slice_request['slice_name'])
 172             if slice_length >19:
 173                 errors.append('Slice name can be maximum 19 characters long')
 174
 175
 176
 177             purpose = slice_request['purpose']
 178             if purpose is None or purpose == '':
 179                 errors.append('Experiment purpose is mandatory')
 180
 181             url = slice_request['url']
 182
 183             if not errors:
 184                 if is_pi(request, user_hrn, authority_hrn):
 185                     # PIs can directly create slices in their own authority...
 186                     create_slice(request, slice_request)
 187                     clear_user_creds(request, user_email)
 188                     self.template_name = 'slice-request-done-view.html'
 189                 else:
 190                     # Otherwise a request is sent to the PI
 191                     create_pending_slice(request, slice_request, user_email)
 192                     self.template_name = 'slice-request-ack-view.html'
 193
 194                 # log user activity
 195                 activity.user.slice(request)
 196                 return render_to_response(self.template, {'theme': self.theme, 'request':request}, context_instance=RequestContext(request))
 197                 #return render(request, self.template, {'theme': self.theme}) # Redirect after POST
 198         else:
 199             slice_request = {}
 200
 201         template_env = {
 202             'username': request.user.email,
 203             'topmenu_items': topmenu_items_live('Request a slice', page),
 204             'errors': errors,
 205             'slice_name': slice_name,
 206             'purpose': purpose,
 207             'email': user_email,
 208             'user_hrn': user_hrn,
 209             'url': url,
 210             'pi': pi,
 211             'authority_name': authority_name,
 212             'authority_hrn': user_authority,
 213             'cc_myself': True,
 214             'authorities': authorities,
 215             'theme': self.theme,
 216             'section': "Slice request",
 217             'request': request,
 218         }
 219         template_env.update(slice_request)
 220         template_env.update(page.prelude_env())
 221
 222         return render_to_response(self.template,template_env, context_instance=RequestContext(request))
 223         #return render(request, self.template, template_env)