def process_file(): if not request.json or not request.json['fileId']: requestData = request.json or str(request.form) or request.data return make_response('Invalid content: ' + requestData, 400) db = MongoInit().initialize() payload = { 'fileId': request.json['fileId'], 'user': get_current_user().id } fileService = FileService(db) messageService = MessageService(db) chunks = fileService.getChunksByFileId(payload['fileId']) messages = [] if all(c.user == payload['user'] for c in chunks): messages = messageService.parseFileChunks(chunks) topMessages = [] for message in messages[:50]: topMessages.append({'subject': message.subject, 'sender': message.sender, 'content': message.content, 'date': message.date}) result = {'fileId': payload['fileId'], 'messages': topMessages} return make_response(jsonify(result))