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R3600/modules/bibmerge/lib/bibmerge_webinterface.py
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bibmerge_webinterface.py
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## This file is part of Invenio.
## Copyright (C) 2009, 2010, 2011,  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.
# pylint: disable=C0103
"""Invenio BibMerge Administrator Interface."""
__revision__ = "$Id$"
__lastupdated__ = """$Date$"""
import sys
if sys.hexversion < 0x2060000:
try:
import simplejson as json
except ImportError:
# Okay, no Ajax app will be possible, but continue anyway,
# since this package is only recommended, not mandatory.
pass
else:
import json
from invenio.access_control_engine import acc_authorize_action
from invenio.config import CFG_SITE_LANG, CFG_SITE_URL
from invenio.search_engine import guess_primary_collection_of_a_record
from invenio.webpage import page
from invenio.webuser import getUid, page_not_authorized, collect_user_info
from invenio.urlutils import redirect_to_url
from invenio.webinterface_handler import WebInterfaceDirectory
from invenio.bibedit_utils import json_unicode_to_utf8
from invenio.bibmerge_engine import perform_request_init, \
perform_request_ajax
navtrail = (' <a class="navtrail" href=\"%s/help/admin\">Admin Area</a> '
) % CFG_SITE_URL
class WebInterfaceMergePages(WebInterfaceDirectory):
"""Defines the set of /merge pages."""
_exports = ['']
def __init__(self, recid=None):
"""Initialize."""
self.recid = recid
def index(self, req, form):
"""Handle all BibMerge requests.
The responsibilities of this functions are:
* JSON decoding and encoding.
* Redirection, if necessary.
* Authorization.
* Calling the appropriate function from the engine.
"""
# If it is an Ajax request, extract any JSON data.
ajax_request, recid1, recid2 = False, None, None
if form.has_key('jsondata'):
json_data = json.loads(str(form['jsondata']))
# Deunicode all strings (Invenio doesn't have unicode
# support).
json_data = json_unicode_to_utf8(json_data)
ajax_request = True
json_response = {}
if json_data.has_key('recID1'):
recid1 = json_data['recID1']
if json_data.has_key('recID2'):
recid2 = json_data['recID2']
# Authorization.
user_info = collect_user_info(req)
if user_info['email'] == 'guest':
# User is not logged in.
if not ajax_request:
# Do not display the introductory recID selection box to guest
# users (as it used to be with v0.99.0):
auth_code, auth_message = acc_authorize_action(req, 'runbibmerge')
referer = '/merge/'
return page_not_authorized(req=req, referer=referer,
text=auth_message, navtrail=navtrail)
else:
# Session has most likely timed out.
json_response.update({'resultCode': 1,
'resultText': 'Error: Not logged in'})
return json.dumps(json_response)
elif self.recid:
# Handle RESTful call by storing recid and redirecting to
# generic URL.
redirect_to_url(req, '%s/record/merge/' % CFG_SITE_URL )
if recid1 is not None:
# Authorize access to record 1.
auth_code, auth_message = acc_authorize_action(req, 'runbibmerge',
collection=guess_primary_collection_of_a_record(recid1))
if auth_code != 0:
json_response.update({'resultCode': 1, 'resultText': 'No access to record %s' % recid1})
return json.dumps(json_response)
if recid2 is not None:
# Authorize access to record 2.
auth_code, auth_message = acc_authorize_action(req, 'runbibmerge',
collection=guess_primary_collection_of_a_record(recid2))
if auth_code != 0:
json_response.update({'resultCode': 1, 'resultText': 'No access to record %s' % recid2})
return json.dumps(json_response)
# Handle request.
uid = getUid(req)
if not ajax_request:
# Show BibEdit start page.
body, errors, warnings = perform_request_init()
metaheaderadd = """<script type="text/javascript" src="%(site)s/js/jquery.min.js"></script>
<script type="text/javascript" src="%(site)s/js/json2.js"></script>
<script type="text/javascript" src="%(site)s/js/bibmerge_engine.js"></script>""" % {'site': CFG_SITE_URL}
title = 'Record Merger'
ln = CFG_SITE_LANG
return page(title = title,
metaheaderadd = metaheaderadd,
body = body,
errors = errors,
warnings = warnings,
uid = uid,
language = ln,
navtrail = navtrail,
lastupdated = __lastupdated__,
req = req)
else:
# Handle AJAX request.
json_response = perform_request_ajax(req, uid, json_data)
return json.dumps(json_response)
def __call__(self, req, form):
"""Redirect calls without final slash."""
redirect_to_url(req, '%s/record/merge/' % CFG_SITE_URL)
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