def ajax_upload(self, request, folder_id=None): """ Receives an upload from the uploader. Receives only one file at a time. """ mimetype = "application/json" if request.is_ajax() else "text/html" content_type_key = 'mimetype' if DJANGO_1_4 else 'content_type' response_params = {content_type_key: mimetype} try: upload, filename, is_raw = handle_upload(request) # Get clipboad clipboard = Clipboard.objects.get_or_create(user=request.user)[0] # find the file type for filer_class in filer_settings.FILER_FILE_MODELS: FileSubClass = load_object(filer_class) # TODO: What if there are more than one that qualify? if FileSubClass.matches_file_type(filename, upload, request): FileForm = modelform_factory( model=FileSubClass, fields=('original_filename', 'owner', 'file') ) break uploadform = FileForm({'original_filename': filename, 'owner': request.user.pk}, {'file': upload}) if uploadform.is_valid(): file_obj = uploadform.save(commit=False) # Enforce the FILER_IS_PUBLIC_DEFAULT file_obj.is_public = filer_settings.FILER_IS_PUBLIC_DEFAULT file_obj.save() clipboard_item = ClipboardItem( clipboard=clipboard, file=file_obj) clipboard_item.save() json_response = { 'thumbnail': file_obj.icons['32'], 'alt_text': '', 'label': str(file_obj), } return HttpResponse(json.dumps(json_response), **response_params) else: form_errors = '; '.join(['%s: %s' % ( field, ', '.join(errors)) for field, errors in list( uploadform.errors.items()) ]) raise UploadException( "AJAX request not valid: form invalid '%s'" % ( form_errors,)) except UploadException as e: return HttpResponse(json.dumps({'error': str(e)}), **response_params)
def ajax_upload(self, request, folder_id=None): """ Receives an upload from the uploader. Receives only one file at a time. """ mimetype = "application/json" if request.is_ajax() else "text/html" content_type_key = 'mimetype' if DJANGO_1_4 else 'content_type' response_params = {content_type_key: mimetype} try: upload, filename, is_raw = handle_upload(request) # Get clipboad clipboard = Clipboard.objects.get_or_create(user=request.user)[0] # find the file type for filer_class in filer_settings.FILER_FILE_MODELS: FileSubClass = load_object(filer_class) # TODO: What if there are more than one that qualify? if FileSubClass.matches_file_type(filename, upload, request): FileForm = modelform_factory(model=FileSubClass, fields=('original_filename', 'owner', 'file')) break uploadform = FileForm( { 'original_filename': filename, 'owner': request.user.pk }, {'file': upload}) if uploadform.is_valid(): file_obj = uploadform.save(commit=False) # Enforce the FILER_IS_PUBLIC_DEFAULT file_obj.is_public = filer_settings.FILER_IS_PUBLIC_DEFAULT file_obj.save() clipboard_item = ClipboardItem(clipboard=clipboard, file=file_obj) clipboard_item.save() json_response = { 'thumbnail': file_obj.icons['32'], 'alt_text': '', 'label': str(file_obj), } return HttpResponse(json.dumps(json_response), **response_params) else: form_errors = '; '.join([ '%s: %s' % (field, ', '.join(errors)) for field, errors in list(uploadform.errors.items()) ]) raise UploadException( "AJAX request not valid: form invalid '%s'" % (form_errors, )) except UploadException as e: return HttpResponse(json.dumps({'error': str(e)}), **response_params)
def upload_thumbnail(self, request, blog_entry_id=None): try: blog_entry = BlogEntryPage.objects.get(id=blog_entry_id) # hold the initial file name in order to delete it after the # uploaded file is saved. Deletion takes place in the model's # save method blog_entry._old_poster_image = blog_entry.poster_image.name except BlogEntryPage.DoesNotExist: raise UploadException( "Blog entry with id %s does not exist" % blog_entry_id) mimetype = "application/json" if request.is_ajax() else "text/html" upload = None try: upload, full_filename, _ = handle_upload(request) filename, extension = os.path.splitext( os.path.basename(full_filename)) # check if it's an image type we can handle extension = (imghdr.what(upload) or extension).lstrip('.') if extension not in ALLOWED_THUMBNAIL_IMAGE_TYPES: displayed_extension = extension or "Unknown" raise UploadException( displayed_extension + " file type not allowed." " Please upload one of the following file types: " + ", ".join(ALLOWED_THUMBNAIL_IMAGE_TYPES)) if not all(get_image_dimensions(upload)): raise UploadException( "Image width and height should be greater than 0px") try: upload.name = ''.join((filename, os.path.extsep, extension)) blog_entry.poster_image = resize_image(upload) except Exception as e: raise UploadException("Cannot resize image: %s" % e.message) # save new image blog_entry.save() json_response = { 'label': unicode(blog_entry.poster_image.name), 'url': blog_entry.poster_image.url, } return HttpResponse( json.dumps(json_response), mimetype=mimetype) except UploadException as e: return HttpResponse( json.dumps({'error': unicode(e)}), mimetype=mimetype) finally: if upload: upload.close()
def ajax_upload(self, request, folder_id=None): """ receives an upload from the uploader. Receives only one file at the time. """ mimetype = "application/json" if request.is_ajax() else "text/html" try: upload, filename, is_raw = handle_upload(request) # Get clipboad clipboard = Clipboard.objects.get_or_create(user=request.user)[0] # find the file type for filer_class in filer_settings.FILER_FILE_MODELS: FileSubClass = load_object(filer_class) #TODO: What if there are more than one that qualify? if FileSubClass.matches_file_type(filename, upload, request): FileForm = modelform_factory(model=FileSubClass, fields=('original_filename', 'owner', 'file')) break uploadform = FileForm( { 'original_filename': filename, 'owner': request.user.pk }, {'file': upload}) if uploadform.is_valid(): file_obj = uploadform.save(commit=False) # Enforce the FILER_IS_PUBLIC_DEFAULT file_obj.is_public = filer_settings.FILER_IS_PUBLIC_DEFAULT file_obj.save() clipboard_item = ClipboardItem(clipboard=clipboard, file=file_obj) clipboard_item.save() try: json_response = { 'thumbnail': file_obj.icons['32'], 'alt_text': '', 'label': unicode(file_obj), } except Exception, e: json_response = { 'thumbnail': None, 'alt_text': '', 'label': unicode(file_obj), } return HttpResponse(simplejson.dumps(json_response), mimetype=mimetype) else:
def ajax_upload(self, request, folder_id=None): """ receives an upload from the uploader. Receives only one file at the time. """ mimetype = "application/json" if request.is_ajax() else "text/html" try: upload, filename, is_raw = handle_upload(request) # Get clipboad clipboard = Clipboard.objects.get_or_create(user=request.user)[0] # find the file type for filer_class in filer_settings.FILER_FILE_MODELS: FileSubClass = load_object(filer_class) #TODO: What if there are more than one that qualify? if FileSubClass.matches_file_type(filename, upload, request): FileForm = modelform_factory( model = FileSubClass, fields = ('original_filename', 'owner', 'file') ) break uploadform = FileForm({'original_filename': filename, 'owner': request.user.pk}, {'file': upload}) if uploadform.is_valid(): file_obj = uploadform.save(commit=False) # Enforce the FILER_IS_PUBLIC_DEFAULT file_obj.is_public = filer_settings.FILER_IS_PUBLIC_DEFAULT file_obj.save() clipboard_item = ClipboardItem( clipboard=clipboard, file=file_obj) clipboard_item.save() try: json_response = { 'thumbnail': file_obj.icons['32'], 'alt_text': '', 'label': unicode(file_obj), } except Exception, e: json_response = { 'thumbnail': None, 'alt_text': '', 'label': unicode(file_obj), } return HttpResponse(simplejson.dumps(json_response), mimetype=mimetype) else:
def ajax_upload(request, folder_id=None): """ Receives an upload from the uploader. Receives only one file at a time. """ mimetype = 'application/json' if request.is_ajax() else 'text/html' content_type_key = 'content_type' response_params = {content_type_key: mimetype} folder = None if folder_id: try: # Get folder folder = Folder.objects.get(pk=folder_id) except Folder.DoesNotExist: return HttpResponse(json.dumps({'error': NO_FOLDER_ERROR}), **response_params) # check permissions if folder and not folder.has_add_children_permission(request): return HttpResponse( json.dumps({'error': NO_PERMISSIONS_FOR_FOLDER}), **response_params) try: if len(request.FILES) == 1: # dont check if request is ajax or not, just grab the file upload, filename, is_raw = handle_request_files_upload(request) else: # else process the request as usual upload, filename, is_raw = handle_upload(request) FileForm = None # find the file type for filer_class in filer_settings.FILER_FILE_MODELS: FileSubClass = load_object(filer_class) if FileSubClass.matches_file_type(filename, upload, request): FileForm = modelform_factory( model=FileSubClass, fields=('original_filename', 'owner', 'file') ) break uploadform = FileForm({'original_filename': filename, 'owner': request.user.pk}, {'file': upload}) if uploadform.is_valid(): file_obj = uploadform.save(commit=False) # Enforce the FILER_IS_PUBLIC_DEFAULT file_obj.is_public = filer_settings.FILER_IS_PUBLIC_DEFAULT file_obj.folder = folder file_obj.save() # Try to generate thumbnails. if not file_obj.icons: # There is no point to continue, as we can't generate # thumbnails for this file. Usual reasons: bad format or # filename. file_obj.delete() # This would be logged in BaseImage._generate_thumbnails() # if FILER_ENABLE_LOGGING is on. return HttpResponse( json.dumps({'error': 'failed to generate icons for file'}), status=500, **response_params ) thumbnail = None # Backwards compatibility: try to get specific icon size (32px) # first. Then try medium icon size (they are already sorted), # fallback to the first (smallest) configured icon. for size in (['32'] + filer_settings.FILER_ADMIN_ICON_SIZES[1::-1]): try: thumbnail = file_obj.icons[size] break except KeyError: # pragma: no cover continue json_response = { 'thumbnail': thumbnail, 'alt_text': '', 'label': str(file_obj), 'file_id': file_obj.pk, } # prepare preview thumbnail if type(file_obj) == Image: thumbnail_180_options = { 'size': (180, 180), 'crop': True, 'upscale': True, } thumbnail_180 = get_thumbnail_lazy(file_obj, thumbnail_180_options) json_response['thumbnail_180'] = thumbnail_180.url json_response['original_image'] = file_obj.url return HttpResponse(json.dumps(json_response), **response_params) else: form_errors = '; '.join( ['%s: %s' % (field, ', '.join(errors)) for field, errors in list( uploadform.errors.items())] ) raise UploadException('AJAX request not valid: form invalid "%s"' % (form_errors,)) except UploadException as e: # pragma: no cover return HttpResponse(json.dumps({'error': str(e)}), status=500, **response_params) except Exception as e: # pragma: no cover return HttpResponse(json.dumps({'error': str(e)}), status=500, **response_params)
def ajax_upload(self, request, folder_id=None): """ Receives an upload from the uploader. Receives only one file at a time. """ mimetype = "application/json" if request.is_ajax() else "text/html" content_type_key = "mimetype" if DJANGO_1_4 else "content_type" response_params = {content_type_key: mimetype} folder = None if folder_id: try: # Get folder folder = Folder.objects.get(pk=folder_id) except Folder.DoesNotExist: return HttpResponse(json.dumps({"error": NO_FOLDER_ERROR}), **response_params) # check permissions if folder and not folder.has_add_children_permission(request): return HttpResponse(json.dumps({"error": NO_PERMISSIONS_FOR_FOLDER}), **response_params) try: if len(request.FILES) == 1: # dont check if request is ajax or not, just grab the file upload, filename, is_raw = handle_request_files_upload(request) else: # else process the request as usual upload, filename, is_raw = handle_upload(request) # TODO: Deprecated/refactor # Get clipboad # clipboard = Clipboard.objects.get_or_create(user=request.user)[0] # find the file type for filer_class in filer_settings.FILER_FILE_MODELS: FileSubClass = load_object(filer_class) # TODO: What if there are more than one that qualify? if FileSubClass.matches_file_type(filename, upload, request): FileForm = modelform_factory(model=FileSubClass, fields=("original_filename", "owner", "file")) break uploadform = FileForm({"original_filename": filename, "owner": request.user.pk}, {"file": upload}) if uploadform.is_valid(): file_obj = uploadform.save(commit=False) # Enforce the FILER_IS_PUBLIC_DEFAULT file_obj.is_public = filer_settings.FILER_IS_PUBLIC_DEFAULT file_obj.folder = folder file_obj.save() # TODO: Deprecated/refactor # clipboard_item = ClipboardItem( # clipboard=clipboard, file=file_obj) # clipboard_item.save() # Try to generate thumbnails. if not file_obj.icons: # There is no point to continue, as we can't generate # thumbnails for this file. Usual reasons: bad format or # filename. file_obj.delete() # This would be logged in BaseImage._generate_thumbnails() # if FILER_ENABLE_LOGGING is on. return HttpResponse( json.dumps({"error": "failed to generate icons for file"}), status=500, **response_params ) thumbnail = None # Backwards compatibility: try to get specific icon size (32px) # first. Then try medium icon size (they are already sorted), # fallback to the first (smallest) configured icon. for size in ["32"] + filer_settings.FILER_ADMIN_ICON_SIZES[1::-1]: try: thumbnail = file_obj.icons[size] break except KeyError: continue json_response = {"thumbnail": thumbnail, "alt_text": "", "label": str(file_obj), "file_id": file_obj.pk} # prepare preview thumbnail if type(file_obj) == Image: thumbnail_180_options = {"size": (180, 180), "crop": True, "upscale": True} thumbnail_180 = file_obj.file.get_thumbnail(thumbnail_180_options) json_response["thumbnail_180"] = thumbnail_180.url return HttpResponse(json.dumps(json_response), **response_params) else: form_errors = "; ".join( ["%s: %s" % (field, ", ".join(errors)) for field, errors in list(uploadform.errors.items())] ) raise UploadException("AJAX request not valid: form invalid '%s'" % (form_errors,)) except UploadException as e: return HttpResponse(json.dumps({"error": str(e)}), **response_params)
def ajax_upload(request, folder_id=None): """ Receives an upload from the uploader. Receives only one file at a time. """ mimetype = "application/json" if request.is_ajax() else "text/html" content_type_key = 'mimetype' if DJANGO_1_4 else 'content_type' response_params = {content_type_key: mimetype} folder = None if folder_id: try: # Get folder folder = Folder.objects.get(pk=folder_id) except Folder.DoesNotExist: return HttpResponse(json.dumps({'error': NO_FOLDER_ERROR}), **response_params) # check permissions if folder and not folder.has_add_children_permission(request): return HttpResponse(json.dumps({'error': NO_PERMISSIONS_FOR_FOLDER}), **response_params) try: if len(request.FILES) == 1: # dont check if request is ajax or not, just grab the file upload, filename, is_raw = handle_request_files_upload(request) else: # else process the request as usual upload, filename, is_raw = handle_upload(request) # TODO: Deprecated/refactor # Get clipboad # clipboard = Clipboard.objects.get_or_create(user=request.user)[0] # find the file type for filer_class in filer_settings.FILER_FILE_MODELS: FileSubClass = load_object(filer_class) # TODO: What if there are more than one that qualify? if FileSubClass.matches_file_type(filename, upload, request): FileForm = modelform_factory(model=FileSubClass, fields=('original_filename', 'owner', 'file')) break uploadform = FileForm( { 'original_filename': filename, 'owner': request.user.pk }, {'file': upload}) if uploadform.is_valid(): file_obj = uploadform.save(commit=False) # Enforce the FILER_IS_PUBLIC_DEFAULT file_obj.is_public = filer_settings.FILER_IS_PUBLIC_DEFAULT file_obj.folder = folder file_obj.save() # TODO: Deprecated/refactor # clipboard_item = ClipboardItem( # clipboard=clipboard, file=file_obj) # clipboard_item.save() # Try to generate thumbnails. if not file_obj.icons: # There is no point to continue, as we can't generate # thumbnails for this file. Usual reasons: bad format or # filename. file_obj.delete() # This would be logged in BaseImage._generate_thumbnails() # if FILER_ENABLE_LOGGING is on. return HttpResponse(json.dumps( {'error': 'failed to generate icons for file'}), status=500, **response_params) thumbnail = None # Backwards compatibility: try to get specific icon size (32px) # first. Then try medium icon size (they are already sorted), # fallback to the first (smallest) configured icon. for size in (['32'] + filer_settings.FILER_ADMIN_ICON_SIZES[1::-1]): try: thumbnail = file_obj.icons[size] break except KeyError: continue json_response = { 'thumbnail': thumbnail, 'alt_text': '', 'label': str(file_obj), 'file_id': file_obj.pk, } # prepare preview thumbnail if type(file_obj) == Image: thumbnail_180_options = { 'size': (180, 180), 'crop': True, 'upscale': True, } thumbnail_180 = file_obj.file.get_thumbnail( thumbnail_180_options) json_response['thumbnail_180'] = thumbnail_180.url json_response['original_image'] = file_obj.url return HttpResponse(json.dumps(json_response), **response_params) else: form_errors = '; '.join([ '%s: %s' % (field, ', '.join(errors)) for field, errors in list(uploadform.errors.items()) ]) raise UploadException("AJAX request not valid: form invalid '%s'" % (form_errors, )) except UploadException as e: return HttpResponse(json.dumps({'error': str(e)}), status=500, **response_params)
def ajax_upload(request, folder_id=None): folder = None path = request.POST.get('path') path_split = path.split('/') if path else [] # check permissions and data error_msg = None if not request.user.is_authenticated: # User is not logged in. Return a generic message that gives # no data info (such as whether a folder exists or not) error_msg = filer.admin.clipboardadmin.NO_PERMISSIONS_FOR_FOLDER elif folder_id: try: folder = Folder.objects.get(pk=folder_id) except Folder.DoesNotExist: # A folder with id=folder_id does not exist so return # an error message specifying this error_msg = filer.admin.clipboardadmin.NO_FOLDER_ERROR else: # Now check if the user has sufficient permissions to # upload a file to the folder with id=folder_id and return # an error message if not no_folder_perms = (not folder.has_add_children_permission(request) or (path and not folder.can_have_subfolders)) if no_folder_perms: error_msg = filer.admin.clipboardadmin.NO_PERMISSIONS_FOR_FOLDER elif (not request.user.is_superuser and path_split and not filer.settings.FILER_ALLOW_REGULAR_USERS_TO_ADD_ROOT_FOLDERS): # If uploading the file to Unsorted Uploads (i.e. no folder_id) # but filer is set to disallow regular users to add # folders there and the user is not a superuser and is uploading # folders that aren't yet created on the server (i.e. # specifying the path param with folders that don't yet exist) # return an error message if not Folder.objects.filter(name=path_split[0], parent=None).exists(): error_msg = filer.admin.clipboardadmin.NO_PERMISSIONS_FOR_FOLDER if error_msg: return JsonResponse({'error': error_msg}) try: if len(request.FILES) == 1: # dont check if request is ajax or not, just grab the file upload, filename, is_raw = handle_request_files_upload(request) else: # else process the request as usual upload, filename, is_raw = handle_upload(request) # find the file type for filer_class in filer_settings.FILER_FILE_MODELS: FileSubClass = load_model(filer_class) # TODO: What if there are more than one that qualify? if FileSubClass.matches_file_type(filename, upload, request): FileForm = modelform_factory(model=FileSubClass, fields=('original_filename', 'owner', 'file')) break uploadform = FileForm( { 'original_filename': filename, 'owner': request.user.pk }, {'file': upload}) if uploadform.is_valid(): file_obj = uploadform.save(commit=False) # Enforce the FILER_IS_PUBLIC_DEFAULT file_obj.is_public = filer_settings.FILER_IS_PUBLIC_DEFAULT # Set the file's folder current_folder = folder for segment in path_split: try: current_folder = Folder.objects.get(name=segment, parent=current_folder) except Folder.DoesNotExist: # If the current_folder can't have subfolders then # return a permission error if current_folder and not current_folder.can_have_subfolders: error_msg = filer.admin.clipboardadmin.NO_PERMISSIONS_FOR_FOLDER return JsonResponse({'error': error_msg}) current_folder = Folder.objects.create( name=segment, parent=current_folder) else: # If the folder already exists, check the user is # allowed to upload here if not current_folder.has_add_children_permission(request): error_msg = filer.admin.clipboardadmin.NO_PERMISSIONS_FOR_FOLDER return JsonResponse({'error': error_msg}) file_obj.folder = current_folder same_name_file_qs = get_files_distinct_grouper_queryset().annotate( _name=NullIfEmptyStr('name'), _original_filename=NullIfEmptyStr('original_filename'), ).annotate( # seperate annotate is needed to get it work on python<36 # see PEP 468 for more details _label=Coalesce('_name', '_original_filename', Value('unnamed file')), ).filter( folder=folder, _label=file_obj.label) existing_file_obj = same_name_file_qs.first() if existing_file_obj: file_grouper = existing_file_obj.grouper new_file_grouper = False existing_file_version = Version.objects.get_for_content( existing_file_obj) if existing_file_version.state == DRAFT and not all([ existing_file_version.can_be_archived(), existing_file_version.check_archive.as_bool( request.user), ]): return JsonResponse({ 'error': ('Cannot archive existing {} file version'.format( existing_file_obj)) }) else: new_file_grouper = True file_grouper = FileGrouper.objects.create() file_obj.grouper = file_grouper file_obj.save() create_file_version(file_obj, request.user) # Try to generate thumbnails. if not file_obj.icons: # There is no point to continue, as we can't generate # thumbnails for this file. Usual reasons: bad format or # filename. file_obj.delete() if new_file_grouper: file_grouper.delete() # This would be logged in BaseImage._generate_thumbnails() # if FILER_ENABLE_LOGGING is on. return JsonResponse( {'error': 'failed to generate icons for file'}, status=500, ) thumbnail = None # Backwards compatibility: try to get specific icon size (32px) # first. Then try medium icon size (they are already sorted), # fallback to the first (smallest) configured icon. for size in (['32'] + filer_settings.FILER_ADMIN_ICON_SIZES[1::-1]): try: thumbnail = file_obj.icons[size] break except KeyError: continue data = { 'thumbnail': thumbnail, 'alt_text': '', 'label': str(file_obj), 'file_id': file_obj.pk, 'grouper_id': file_grouper.pk, } # prepare preview thumbnail if type(file_obj) == Image: thumbnail_180_options = { 'size': (180, 180), 'crop': True, 'upscale': True, } thumbnail_180 = file_obj.file.get_thumbnail( thumbnail_180_options) data['thumbnail_180'] = thumbnail_180.url data['original_image'] = file_obj.url return JsonResponse(data) else: form_errors = '; '.join([ '%s: %s' % (field, ', '.join(errors)) for field, errors in list(uploadform.errors.items()) ]) raise UploadException("AJAX request not valid: form invalid '%s'" % (form_errors, )) except UploadException as e: # TODO: Test return JsonResponse({'error': str(e)}, status=500)
def ajax_upload(request, folder_id=None): folder = None if folder_id: try: # Get folder folder = Folder.objects.get(pk=folder_id) except Folder.DoesNotExist: return JsonResponse({'error': filer.admin.clipboardadmin.NO_FOLDER_ERROR}) # check permissions if folder and not folder.has_add_children_permission(request): return JsonResponse({'error': filer.admin.clipboardadmin.NO_PERMISSIONS_FOR_FOLDER}) try: if len(request.FILES) == 1: # dont check if request is ajax or not, just grab the file upload, filename, is_raw = handle_request_files_upload(request) else: # else process the request as usual upload, filename, is_raw = handle_upload(request) # find the file type for filer_class in filer_settings.FILER_FILE_MODELS: FileSubClass = load_model(filer_class) # TODO: What if there are more than one that qualify? if FileSubClass.matches_file_type(filename, upload, request): FileForm = modelform_factory( model=FileSubClass, fields=('original_filename', 'owner', 'file') ) break uploadform = FileForm({'original_filename': filename, 'owner': request.user.pk}, {'file': upload}) if uploadform.is_valid(): file_obj = uploadform.save(commit=False) # Enforce the FILER_IS_PUBLIC_DEFAULT file_obj.is_public = filer_settings.FILER_IS_PUBLIC_DEFAULT file_obj.folder = folder same_name_file_qs = get_files_distinct_grouper_queryset().annotate( _name=NullIfEmptyStr('name'), _original_filename=NullIfEmptyStr('original_filename'), ).annotate( # seperate annotate is needed to get it work on python<36 # see PEP 468 for more details _label=Coalesce('_name', '_original_filename', Value('unnamed file')), ).filter(folder=folder, _label=file_obj.label) existing_file_obj = same_name_file_qs.first() if existing_file_obj: file_grouper = existing_file_obj.grouper new_file_grouper = False existing_file_version = Version.objects.get_for_content(existing_file_obj) if existing_file_version.state == DRAFT and not all([ existing_file_version.can_be_archived(), existing_file_version.check_archive.as_bool(request.user), ]): return JsonResponse({'error': ( 'Cannot archive existing {} file version'.format(existing_file_obj) )}) else: new_file_grouper = True file_grouper = FileGrouper.objects.create() file_obj.grouper = file_grouper file_obj.save() create_file_version(file_obj, request.user) # Try to generate thumbnails. if not file_obj.icons: # There is no point to continue, as we can't generate # thumbnails for this file. Usual reasons: bad format or # filename. file_obj.delete() if new_file_grouper: file_grouper.delete() # This would be logged in BaseImage._generate_thumbnails() # if FILER_ENABLE_LOGGING is on. return JsonResponse( {'error': 'failed to generate icons for file'}, status=500, ) thumbnail = None # Backwards compatibility: try to get specific icon size (32px) # first. Then try medium icon size (they are already sorted), # fallback to the first (smallest) configured icon. for size in (['32'] + filer_settings.FILER_ADMIN_ICON_SIZES[1::-1]): try: thumbnail = file_obj.icons[size] break except KeyError: continue data = { 'thumbnail': thumbnail, 'alt_text': '', 'label': str(file_obj), 'file_id': file_obj.pk, 'grouper_id': file_grouper.pk, } # prepare preview thumbnail if type(file_obj) == Image: thumbnail_180_options = { 'size': (180, 180), 'crop': True, 'upscale': True, } thumbnail_180 = file_obj.file.get_thumbnail( thumbnail_180_options) data['thumbnail_180'] = thumbnail_180.url data['original_image'] = file_obj.url return JsonResponse(data) else: form_errors = '; '.join(['%s: %s' % ( field, ', '.join(errors)) for field, errors in list( uploadform.errors.items()) ]) raise UploadException( "AJAX request not valid: form invalid '%s'" % ( form_errors,)) except UploadException as e: return JsonResponse({'error': str(e)}, status=500)