Source code for invenio_oaiharvester.models

# -*- coding: utf-8 -*-
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# This file is part of Invenio.
# Copyright (C) 2011, 2012, 2013, 2014, 2015, 2016 CERN.
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# Invenio is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the
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# General Public License for more details.
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"""OAI harvest database models."""

from __future__ import absolute_import, print_function

import datetime

from invenio_db import db


class OAIHarvestConfig(db.Model):
    """Represents a OAIHarvestConfig record."""

    __tablename__ = 'oaiharvester_configs'

    id = db.Column(db.Integer, primary_key=True)
    baseurl = db.Column(db.String(255), nullable=False, server_default='')
    metadataprefix = db.Column(db.String(255), nullable=False,
                               server_default='oai_dc')
    comment = db.Column(db.Text, nullable=True)
    name = db.Column(db.String(255), nullable=False)
    lastrun = db.Column(db.DateTime, default=datetime.datetime(
        year=1900, month=1, day=1
    ), nullable=True)
    setspecs = db.Column(db.Text, nullable=False)

    def save(self):
        """Save object to persistent storage."""
        with db.session.begin_nested():
            db.session.merge(self)

    def update_lastrun(self, new_date=None):
        """Update the 'lastrun' attribute of object to now."""
        self.lastrun = new_date or datetime.datetime.now()


__all__ = ('OAIHarvestConfig',)