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models.py
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models.py
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# -*- coding: utf-8 -*-
##
## This file is part of Invenio.
## Copyright (C) 2012, 2014 CERN.
##
## 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
## License, or (at your option) any later version.
##
## Invenio is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Invenio; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
"""
BibSort database models.
"""
# General imports.
from flask import g
from sqlalchemy import and_
from invenio.ext.sqlalchemy import db
from invenio.base.globals import cfg
# Create your models here.
from invenio.modules.search.models import Collection
class BsrMETHOD(db.Model):
"""Represents a BsrMETHOD record."""
__tablename__ = 'bsrMETHOD'
id = db.Column(db.MediumInteger(9, unsigned=True),
primary_key=True, nullable=False)
name = db.Column(db.String(20), nullable=False, unique=True)
definition = db.Column(db.String(255), nullable=False)
washer = db.Column(db.String(255), nullable=False)
def get_name_ln(self, ln=None):
"""Return localized method name."""
try:
if ln is None:
ln = g.ln
return self.names.filter_by(ln=g.ln, type='ln').one().value
except:
return self.name
class BsrMETHODDATA(db.Model):
"""Represents a BsrMETHODDATA record."""
__tablename__ = 'bsrMETHODDATA'
id_bsrMETHOD = db.Column(db.MediumInteger(9, unsigned=True),
db.ForeignKey(BsrMETHOD.id),
primary_key=True, nullable=False,
autoincrement=False)
data_dict = db.Column(db.LargeBinary)
data_dict_ordered = db.Column(db.LargeBinary)
data_list_sorted = db.Column(db.LargeBinary)
last_updated = db.Column(db.DateTime)
class BsrMETHODDATABUCKET(db.Model):
"""Represents a BsrMETHODDATABUCKET record."""
__tablename__ = 'bsrMETHODDATABUCKET'
id_bsrMETHOD = db.Column(db.MediumInteger(9, unsigned=True),
db.ForeignKey(BsrMETHOD.id), autoincrement=False,
primary_key=True, nullable=False)
bucket_no = db.Column(db.TinyInteger(2), primary_key=True, nullable=False,
autoincrement=False)
bucket_data = db.Column(db.LargeBinary)
bucket_last_value = db.Column(db.String(255))
last_updated = db.Column(db.DateTime)
class BsrMETHODNAME(db.Model):
"""Represents a BsrMETHODNAME record."""
__tablename__ = 'bsrMETHODNAME'
id_bsrMETHOD = db.Column(db.MediumInteger(9, unsigned=True),
db.ForeignKey(BsrMETHOD.id),
primary_key=True, nullable=False,
autoincrement=False)
ln = db.Column(db.String(5), primary_key=True, nullable=False)
type = db.Column(db.String(3), primary_key=True, nullable=False)
value = db.Column(db.String(255), nullable=False)
method = db.relationship(BsrMETHOD, backref=db.backref('names',
lazy='dynamic'))
class Collection_bsrMETHOD(db.Model):
"""Represents a Collection_bsrMETHOD record."""
__tablename__ = 'collection_bsrMETHOD'
id_collection = db.Column(db.MediumInteger(9, unsigned=True),
db.ForeignKey(Collection.id),
primary_key=True, nullable=False,
autoincrement=False)
id_bsrMETHOD = db.Column(db.MediumInteger(9, unsigned=True),
db.ForeignKey(BsrMETHOD.id),
primary_key=True, nullable=False,
autoincrement=False)
score = db.Column(db.TinyInteger(4, unsigned=True), server_default='0',
nullable=False)
collection = db.relationship(Collection, backref='bsrMETHODs')
bsrMETHOD = db.relationship(BsrMETHOD, backref='collections')

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