Exemple #1
0
def clean_messages(user_email=None, password=None, chunk_ids=list(),
                   retry_count=0, process_id=None):
    cleaned_successfully = []
    remaining = []
    if len(chunk_ids) <= 0:
        process = CleanUserProcess.get_by_id(process_id)
        process.status = constants.FINISHED
        process.put()
        return True

    try:
        process = CleanUserProcess.get_by_id(process_id)
        imap = IMAPHelper()
        imap.login(email=user_email, password=process.source_password)
        imap.select()

        domain_name = user_email.split('@')[1]
        primary_domain = PrimaryDomain.get_or_create(
                domain_name)

        try:
            drive = DriveHelper(credentials_json=primary_domain.credentials,
                                admin_email=primary_domain.admin_email,
                                refresh_token=primary_domain.refresh_token)
            folder = drive.get_folder(constants.ATTACHMENT_FOLDER)
            if not folder:
                folder = drive.create_folder(constants.ATTACHMENT_FOLDER)
            sub_folder = drive.get_folder(user_email)
            if not sub_folder:
                sub_folder = drive.create_folder(user_email,
                                                 [{'id': folder['id']}])
        except Exception as e:
            logging.error(
                "Couldn't authenticate drive for user %s" % user_email)
            raise e

        try:
            migration = MigrationHelper(
                credentials_json=primary_domain.credentials,
                refresh_token=primary_domain.refresh_token)
        except Exception as e:
            logging.error(
                "Couldn't authenticate migration api for user %s" % user_email)
            raise e

        for message_id in chunk_ids:
            try:
                result = clean_message(msg_id=message_id, imap=imap,
                                       drive=drive,
                                       migration=migration,
                                       folder_id=sub_folder['id'],
                                       user_email=user_email,
                                       process_id=process_id)
                if result:
                    counter.load_and_increment_counter(
                        'cleaning_%s_ok_count' % (user_email),
                        namespace=str(process_id))
                    cleaned_successfully.append(message_id)
                else:
                    counter.load_and_increment_counter(
                        'cleaning_%s_error_count' % user_email,
                        namespace=str(process_id))
                    logging.error(
                        'Error cleaning message ID [%s] for user [%s]: [%s] ',
                        message_id, user_email, result)
            except Exception as e:
                logging.exception(
                    'Failed cleaning individual message ID [%s] for user [%s]',
                    message_id, user_email)
                remaining = []
                if retry_count < constants.MAX_CLEAN_RETRIES:
                    for chunk_msg in chunk_ids:
                        if chunk_msg not in cleaned_successfully:
                            remaining.append(chunk_msg)
                    logging.info(
                        'Scheduling [%s] remaining cleaning messages for user [%s]',
                        len(remaining), user_email)
                    deferred.defer(clean_messages, user_email=user_email,
                                   chunk_ids=remaining,
                                   process_id=process_id,
                                   retry_count=retry_count + 1)
                else:
                    for chunk_msg in chunk_ids:
                        if message_id == chunk_msg:
                            continue
                        if chunk_msg not in cleaned_successfully:
                            remaining.append(chunk_msg)
                    logging.info(
                        'Giving up cleaning message [%s] for '
                        'user [%s]', message_id,
                        user_email)
                    counter.load_and_increment_counter(
                        'cleaning_%s_error_count' % user_email,
                        delta=1,
                        namespace=str(process_id))
                    deferred.defer(clean_messages, user_email=user_email,
                                   chunk_ids=remaining,
                                   process_id=process_id)
                break

    except Exception as e:
        logging.exception('Failed cleaning messages chunk')
        raise e
    finally:
        if imap:
            imap.close()
        if len(chunk_ids) < 10 or (len(cleaned_successfully) + 10 > len(chunk_ids)):
            process.status = constants.FINISHED
            process.put()