"""
ARCHES - a program developed to inventory and manage immovable cultural heritage.
Copyright (C) 2013 J. Paul Getty Trust and World Monuments Fund
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
import couchdb
from arches.app.models.system_settings import settings
class Couch(object):
def __init__(self):
self.couch = couchdb.Server(settings.COUCHDB_URL)
def create_db(self, name):
# return reference to db
try:
return self.couch.create(name)
except couchdb.PreconditionFailed:
return self.couch[name]
def delete_db(self, name):
return self.couch.delete(name)
def update_doc(self, db, doc, doc_id):
try:
x = db.get(doc_id)
x.update(doc)
db.save(x)
except:
db[doc_id] = doc
return db.get(doc_id)
def read_doc(self, db, doc_id, rev=None):
if rev is None:
doc = db.get(doc_id)
else:
doc = db.get(doc_id, rev)
if doc is not None:
return doc
else:
return False
def all_docs(self, db):
return db.view("_all_docs", include_docs=True, conflicts=True)
