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Audit database

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This commit is contained in:
Tim Bentley 2009-09-22 20:37:36 +01:00
parent 3821af30b7
commit b44b7e404b
4 changed files with 219 additions and 0 deletions
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104
openlp/plugins/audit/lib/manager.py Normal file
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# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
###############################################################################
# OpenLP - Open Source Lyrics Projection #
# --------------------------------------------------------------------------- #
# Copyright (c) 2008-2009 Raoul Snyman #
# Portions copyright (c) 2008-2009 Martin Thompson, Tim Bentley, Carsten #
# Tinggaard, Jon Tibble, Jonathan Corwin, Maikel Stuivenberg, Scott Guerrieri #
# --------------------------------------------------------------------------- #
# This program 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; version 2 of the License. #
# #
# This program 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 this program; if not, write to the Free Software Foundation, Inc., 59 #
# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
###############################################################################
import os, os.path
import sys
from sqlalchemy import asc, desc
from openlp.plugins.audit.lib.models import init_models, metadata, session, \
engine, audit_table, Audit
import logging
class AuditManager():
"""
The Song Manager provides a central location for all database code. This
class takes care of connecting to the database and running all the queries.
"""
global log
log = logging.getLogger(u'AuditManager')
log.info(u'Audit manager loaded')
def __init__(self, config):
"""
Creates the connection to the database, and creates the tables if they
don't exist.
"""
self.config = config
log.debug(u'Audit Initialising')
self.db_url = u''
db_type = self.config.get_config(u'db type', u'sqlite')
if db_type == u'sqlite':
self.db_url = u'sqlite:///%s/Audit.sqlite' % \
self.config.get_data_path()
else:
self.db_url = db_type + 'u://' + \
self.config.get_config(u'db username') + u':' + \
self.config.get_config(u'db password') + u'@' + \
self.config.get_config(u'db hostname') + u'/' + \
self.config.get_config(u'db database')
self.session = init_models(self.db_url)
metadata.create_all(checkfirst=True)
log.debug(u'AuditInitialised')
def get_audits(self):
"""
Returns a list of all the audits
"""
return self.session.query(audit).order_by(audit.whensung).all()
def get_audit(self, id):
"""
Details of the audit
"""
return self.session.query(audit).get(id)
def save_audit(self, audit):
"""
Save the audit and refresh the cache
"""
try:
self.session.add(audit)
self.session.commit()
return True
except:
self.session.rollback()
log.exception(u'Could not save audit to song database')
return False
def delete_audit(self, auditid):
"""
Delete the audit
"""
audit = self.get_audit(auditid)
try:
self.session.delete(audit)
self.session.commit()
return True
except:
self.session.rollback()
log.exception(u'Could not delete audit from song database')
return False

38
openlp/plugins/audit/lib/meta.py Normal file
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# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
###############################################################################
# OpenLP - Open Source Lyrics Projection #
# --------------------------------------------------------------------------- #
# Copyright (c) 2008-2009 Raoul Snyman #
# Portions copyright (c) 2008-2009 Martin Thompson, Tim Bentley, Carsten #
# Tinggaard, Jon Tibble, Jonathan Corwin, Maikel Stuivenberg, Scott Guerrieri #
# --------------------------------------------------------------------------- #
# This program 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; version 2 of the License. #
# #
# This program 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 this program; if not, write to the Free Software Foundation, Inc., 59 #
# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
###############################################################################
from sqlalchemy import MetaData
from sqlalchemy.orm import scoped_session, sessionmaker
__all__ = ['session', 'metadata', 'engine']
# SQLAlchemy database engine. Updated by model.init_model()
engine = None
# SQLAlchemy session manager. Updated by model.init_model()
session = None
# Global metadata. If you have multiple databases with overlapping table
# names, you'll need a metadata for each database
metadata = MetaData()

37
openlp/plugins/audit/lib/models.py Normal file
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# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
###############################################################################
# OpenLP - Open Source Lyrics Projection #
# --------------------------------------------------------------------------- #
# Copyright (c) 2008-2009 Raoul Snyman #
# Portions copyright (c) 2008-2009 Martin Thompson, Tim Bentley, Carsten #
# Tinggaard, Jon Tibble, Jonathan Corwin, Maikel Stuivenberg, Scott Guerrieri #
# --------------------------------------------------------------------------- #
# This program 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; version 2 of the License. #
# #
# This program 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 this program; if not, write to the Free Software Foundation, Inc., 59 #
# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
###############################################################################
from sqlalchemy import create_engine
from sqlalchemy.orm import scoped_session, sessionmaker, mapper, relation
from openlp.plugins.audit.lib.meta import session, metadata, engine
from openlp.plugins.audit.lib.tables import *
def init_models(url):
engine = create_engine(url)
metadata.bind = engine
session = scoped_session(sessionmaker(autoflush=False,
autocommit=False, bind=engine))
mapper(Audit, audit_table)
return session

40
openlp/plugins/audit/lib/tables.py Normal file
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# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
###############################################################################
# OpenLP - Open Source Lyrics Projection #
# --------------------------------------------------------------------------- #
# Copyright (c) 2008-2009 Raoul Snyman #
# Portions copyright (c) 2008-2009 Martin Thompson, Tim Bentley, Carsten #
# Tinggaard, Jon Tibble, Jonathan Corwin, Maikel Stuivenberg, Scott Guerrieri #
# --------------------------------------------------------------------------- #
# This program 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; version 2 of the License. #
# #
# This program 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 this program; if not, write to the Free Software Foundation, Inc., 59 #
# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
###############################################################################
from datetime import now
from sqlalchemy import *
from sqlalchemy import Column, Table, ForeignKey, types
from openlp.plugins.audit.lib.meta import metadata
# Definition of the "audits" table
audit_table = Table(u'audits', metadata,
Column(u'id', types.Integer, primary_key=True),
Column('whensung', types.DateTime, nullable=False, default=datetime.now()),
Column(u'authors', types.Unicode(255)),
Column(u'ccli_number', types.Unicode(64)),
)
Index(u'audits_id',audit_table.c.timestamp, audit_table.c.id)