def bind_resources(offering, data, provider): # Check that the offering supports binding if offering.state != 'uploaded' and not (offering.open and offering.state == 'published'): raise PermissionDenied('This offering cannot be modified') added_resources = [] offering_resources = [] for of_res in offering.resources: offering_resources.append(of_res) for res in data: try: resource = Resource.objects.get(name=res['name'], version=res['version'], provider=provider.userprofile.current_organization) except: raise ValueError('Resource not found: ' + res['name'] + ' ' + res['version']) # Check resource state if resource.state == 'deleted': raise PermissionDenied('Invalid resource, the resource ' + res['name'] + ' ' + res['version'] + ' is deleted') # Check open if not resource.open and offering.open: raise PermissionDenied('It is not allowed to include not open resources in an open offering') if not ObjectId(resource.pk) in offering_resources: added_resources.append(resource.pk) else: offering_resources.remove(ObjectId(resource.pk)) # added_resources contains the resources to be added to the offering # and offering_resources the resources to be deleted from the offering for add_res in added_resources: resource = Resource.objects.get(pk=add_res) resource.offerings.append(offering.pk) resource.save() offering.resources.append(ObjectId(add_res)) for del_res in offering_resources: resource = Resource.objects.get(pk=del_res) resource.offerings.remove(offering.pk) resource.save() offering.resources.remove(del_res) offering.offering_description['modified'] = unicode(datetime.now()) offering.save() # Update USDL document if needed if offering.open and offering.state == 'published' and len(offering.description_url): usdl_generator = USDLGenerator() repository_adaptor = unreg_repository_adaptor_factory(offering.description_url) if settings.OILAUTH: repository_adaptor.set_credentials(provider.userprofile.access_token) repository_adaptor.upload( 'application/rdf+xml', usdl_generator.generate_offering_usdl(offering)[0] )
def _aggregate_text(self, offering): """ Create a single string for creating the index by extracting text fields from the USDL document of the offering """ graph = rdflib.ConjunctiveGraph() generator = USDLGenerator() graph.parse(data=generator.generate_offering_usdl(offering)[0], format='application/rdf+xml') text = offering.name for s, p, o in graph: if isinstance(o, rdflib.Literal): text += ' ' + unicode(o) return text
def _aggregate_text(self, offering): """ Create a single string for creating the index by extracting text fields from the USDL document of the offering """ graph = rdflib.ConjunctiveGraph() generator = USDLGenerator() graph.parse( data=generator.generate_offering_usdl(offering)[0], format='application/rdf+xml' ) text = offering.name for s, p, o in graph: if isinstance(o, rdflib.Literal): text += ' ' + unicode(o) return text
def publish_offering(user, offering, data): # Validate data if 'marketplaces' not in data: raise ValueError('Publication error: missing required field, marketplaces') # Validate the state of the offering if not offering.state == 'uploaded': raise PermissionDenied('Publication error: The offering ' + offering.name + ' ' + offering.version + ' cannot be published') # Validate the offering has enough content to be published # Open offerings cannot be published in they do not contain # digital assets (applications or resources) if offering.open and not len(offering.resources) and not len(offering.applications): raise PermissionDenied('Publication error: Open offerings cannot be published if they do not contain at least a digital asset (resource or application)') # Check if it possible to publish the offering in a Marketplace if not len(Repository.objects.all()) > 0 and len(data['marketplaces']) > 0: raise PermissionDenied('Publication error: It is not possible to publish an offering in a Markteplace if no Repositories has been registered') # Upload the USDL description of the offering to the repository if len(Repository.objects.all()) > 0: repository = Repository.objects.get(is_default=True) # Generate the USDL of the offering generator = USDLGenerator() usdl, offering_uri = generator.generate_offering_usdl(offering) repository_adaptor = repository_adaptor_factory(repository) offering_id = offering.owner_organization.name + '__' + offering.name + '__' + offering.version repository_adaptor.set_uri(offering_uri) if settings.OILAUTH: repository_adaptor.set_credentials(user.userprofile.access_token) offering.description_url = repository_adaptor.upload('application/rdf+xml', usdl, name=offering_id) # Publish the offering in the selected marketplaces for market in data['marketplaces']: try: m = Marketplace.objects.get(name=market) except: raise ValueError('Publication error: The marketplace ' + market + ' does not exist') market_adaptor = marketadaptor_factory(m, user) off_market_name = market_adaptor.add_service(offering) offering.marketplaces.append(MarketOffering( marketplace=m, offering_name=off_market_name )) # Create revenue sharing models if needed build_rs_model(offering) offering.state = 'published' offering.publication_date = datetime.now() offering.save() # Update offering indexes index_path = os.path.join(settings.BASEDIR, 'wstore') index_path = os.path.join(index_path, 'search') index_path = os.path.join(index_path, 'indexes') se = SearchEngine(index_path) se.update_index(offering)
def update_offering(user, offering, data): # Check if the offering has been published, # if published the offering cannot be updated if offering.state != 'uploaded' and not offering.open: raise PermissionDenied('The offering cannot be edited') dir_name = offering.owner_organization.name + '__' + offering.name + '__' + offering.version path = os.path.join(settings.MEDIA_ROOT, dir_name) # Update the logo if 'image' in data: logo_path = offering.image_url logo_path = os.path.join(settings.BASEDIR, logo_path[1:]) # Remove the old logo os.remove(logo_path) # Save the new logo _save_encoded_image(path, data['image']['name'], data['image']['data']) offering.image_url = settings.MEDIA_URL + dir_name + '/' + data['image']['name'] # Update the related images if 'related_images' in data: # Delete old related images for img in offering.related_images: old_image = os.path.join(settings.BASEDIR, img[1:]) os.remove(old_image) offering.related_images = [] # Create new images for img in data['related_images']: _save_encoded_image(path, img['name'], img['data']) offering.related_images.append(settings.MEDIA_URL + dir_name + '/' + img['name']) if 'offering_description' in data: # Create offering USDL offering_info = deepcopy(data['offering_description']) offering_info['image_url'] = offering.image_url offering_info['name'] = offering.name offering_info['version'] = offering.version offering_info['organization'] = offering.owner_organization.name offering_info['base_id'] = offering.pk offering_info['created'] = unicode(offering.creation_date) mod = unicode(datetime.now()) offering_info['modified'] = mod usdl_generator = USDLGenerator() usdl_generator.validate_info(offering_info, offering.owner_organization, open_=offering.open) data['offering_description']['modified'] = mod offering.offering_description = data['offering_description'] if offering.open and offering.state == 'published' and len(offering.description_url): repository_adaptor = unreg_repository_adaptor_factory(offering.description_url) if settings.OILAUTH: repository_adaptor.set_credentials(user.userprofile.access_token) repository_adaptor.upload( 'application/rdf+xml', usdl_generator.generate_offering_usdl(offering)[0] ) offering.save() # Update offering indexes index_path = os.path.join(settings.BASEDIR, 'wstore') index_path = os.path.join(index_path, 'search') index_path = os.path.join(index_path, 'indexes') se = SearchEngine(index_path) se.update_index(offering)