def upload_create_resource_form(request, project, prefix='create_form'): """ Render a form that uses StorageFile field to upload files. It creates a resource after the form ve validated, extract the file strings as sourceentities on the fly. The parameter 'prefix' can be used to add a prefix to the form name and its sub-fields. """ resource = None if request.method == 'POST' and request.POST.get('create_resource', None): create_resource_form = CreateResourceForm(request.POST, prefix=prefix) if create_resource_form.is_valid(): resource = create_resource_form.save(commit=False) display_form=True # If we have a resource in the creation form, check if a we already # have a resource with this slug in the db. if resource: try: Resource.objects.get( slug = slugify(resource.source_file.name), project = project ) except Resource.DoesNotExist: pass else: # if the resource exists, modify slug in order to force the # creation of a new resource. slug = slugify(resource.source_file.name) identifier = Resource.objects.filter(project=project, slug__icontains = "%s_" % slug ).count() + 1 resource.slug = "%s_%s" % (slug, identifier) else: create_resource_form = CreateResourceForm(prefix=prefix, initial={'source_file':['en', ""]}) display_form=False api_project_files = get_url_pattern('api_project_files') return { 'project' : project, 'resource': resource, 'create_resource_form': create_resource_form, 'display_form': display_form, 'api_project_files': api_project_files, }