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webjournal.py
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webjournal.py
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# -*- coding: utf-8 -*-
##
## This file is part of Invenio.
## Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 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.
"""
WebJournal - Main Public interface of the WebJournals
"""
import datetime
import time
from invenio.bibformat_engine import \
BibFormatObject, \
format_with_format_template
from invenio.errorlib import register_exception
from invenio.config import \
CFG_SITE_URL, \
CFG_ACCESS_CONTROL_LEVEL_SITE
from invenio.urlutils import redirect_to_url
from invenio.webuser import collect_user_info
from invenio.webjournal_config import \
InvenioWebJournalTemplateNotFoundError
from invenio.webjournal_utils import \
get_article_page_from_cache, \
cache_article_page, \
get_current_issue, \
get_journal_template, \
get_release_datetime, \
get_journal_articles, \
get_unreleased_issue_hiding_mode, \
issue_is_later_than, \
datetime_to_issue
def perform_request_index(req, journal_name, issue_number, ln,
category, editor=False, verbose=0):
"""
Central logic function for index pages.
Brings together format templates and MARC rules from the config, with
the requested index page, given by the url parameters.
From config:
- page template for index pages -> formatting
- MARC rule list -> Category Navigation
- MARC tag used for issue numbers -> search (later in the format
elements)
Uses BibFormatObject and format_with_format_template to produce the
required HTML.
"""
current_issue = get_current_issue(ln, journal_name)
if not get_release_datetime(issue_number, journal_name):
# Unreleased issue. Display latest released issue?
unreleased_issues_mode = get_unreleased_issue_hiding_mode(journal_name)
if not editor and \
(unreleased_issues_mode == 'all' or \
(unreleased_issues_mode == 'future' and \
issue_is_later_than(issue_number, current_issue))):
redirect_to_url(req, "%s/journal/%s/%s/%s?ln=%s" % \
(CFG_SITE_URL,
journal_name,
current_issue.split('/')[1],
current_issue.split('/')[0],
ln))
try:
index_page_template = get_journal_template('index',
journal_name,
ln)
except InvenioWebJournalTemplateNotFoundError, e:
register_exception(req=req)
return e.user_box()
temp_marc = '''<record>
<controlfield tag="001">0</controlfield>
</record>'''
temp_marc = temp_marc.decode('utf-8').encode('utf-8')
# create a record and get HTML back from bibformat
user_info = collect_user_info(req)
bfo = BibFormatObject(0, ln=ln, xml_record=temp_marc,
user_info=user_info)
bfo.req = req
verbosity = 0
if editor:
# Increase verbosity only for editors/admins
verbosity = verbose
html = format_with_format_template(index_page_template,
bfo,
verbose=verbosity)[0]
return html
def perform_request_article(req, journal_name, issue_number, ln,
category, recid, editor=False, verbose=0):
"""
Central logic function for article pages.
Loads the format template for article display and displays the requested
article using BibFormat.
'Editor' mode generates edit links on the article view page and disables
caching.
"""
current_issue = get_current_issue(ln, journal_name)
if not get_release_datetime(issue_number, journal_name):
# Unreleased issue. Display latest released issue?
unreleased_issues_mode = get_unreleased_issue_hiding_mode(journal_name)
if not editor and \
(unreleased_issues_mode == 'all' or \
(unreleased_issues_mode == 'future' and \
issue_is_later_than(issue_number, current_issue))):
redirect_to_url(req, "%s/journal/%s/%s/%s?ln=%s" % \
(CFG_SITE_URL,
journal_name,
current_issue.split('/')[1],
current_issue.split('/')[0],
ln))
try:
index_page_template = get_journal_template('detailed',
journal_name,
ln)
except InvenioWebJournalTemplateNotFoundError, e:
register_exception(req=req)
return e.user_box()
cached_html = get_article_page_from_cache(journal_name, category,
recid, issue_number, ln)
if cached_html and not editor:
return cached_html
# Check that this recid is indeed an article
is_article = False
articles = get_journal_articles(journal_name, issue_number, category)
for order, recids in articles.iteritems():
if recid in recids:
is_article = True
break
if not is_article:
redirect_to_url(req, "%s/journal/%s/%s/%s?ln=%s" % \
(CFG_SITE_URL,
journal_name,
issue_number.split('/')[1],
issue_number.split('/')[0],
ln))
# create a record and get HTML back from bibformat
user_info = collect_user_info(req)
bfo = BibFormatObject(recid, ln=ln, user_info=user_info)
bfo.req = req
verbosity = 0
if editor:
# Increase verbosity only for editors/admins
verbosity = verbose
html_out = format_with_format_template(index_page_template,
bfo,
verbose=verbosity)[0]
# cache if not in editor mode, and if database is not down
if not editor and not CFG_ACCESS_CONTROL_LEVEL_SITE == 2:
cache_article_page(html_out, journal_name, category,
recid, issue_number, ln)
return html_out
def perform_request_contact(req, ln, journal_name, verbose=0):
"""
Display contact information
"""
try:
contact_page_template = get_journal_template('contact',
journal_name,
ln)
except InvenioWebJournalTemplateNotFoundError, e:
register_exception(req=req)
return e.user_box()
user_info = collect_user_info(req)
temp_marc = '''<record>
<controlfield tag="001">0</controlfield>
</record>'''
bfo = BibFormatObject(0,
ln=ln,
xml_record=temp_marc,
user_info=user_info)
bfo.req = req
html = format_with_format_template(contact_page_template,
bfo)[0]
return html
def perform_request_popup(req, ln, journal_name, record):
"""
Display the popup window
"""
try:
popup_page_template = get_journal_template('popup',
journal_name,
ln)
except InvenioWebJournalTemplateNotFoundError, e:
register_exception(req=req)
return e.user_box()
user_info = collect_user_info(req)
bfo = BibFormatObject(record, ln=ln, user_info=user_info)
bfo.req = req
html = format_with_format_template(popup_page_template,
bfo)[0]
return html
def perform_request_search(req, journal_name, ln,
archive_issue, archive_select,
archive_date, archive_search, verbose=0):
"""
Logic for the search / archive page.
"""
try:
search_page_template = get_journal_template('search',
journal_name,
ln)
except InvenioWebJournalTemplateNotFoundError, e:
register_exception(req=req)
return e.user_box()
if archive_select == "False" and archive_search == "False":
temp_marc = '''<record>
<controlfield tag="001">0</controlfield>
</record>'''
user_info = collect_user_info(req)
bfo = BibFormatObject(0,
ln=ln,
xml_record=temp_marc,
user_info=user_info)
bfo.req = req
html = format_with_format_template(search_page_template,
bfo,
verbose=verbose)[0]
return html
elif archive_select == "Go":
redirect_to_url(req, "%s/journal/%s/%s/%s?ln=%s" % (CFG_SITE_URL,
journal_name,
archive_issue.split('/')[1],
archive_issue.split('/')[0],
ln))
elif archive_search == "Go":
try:
archive_issue_time = datetime.datetime(*time.strptime(archive_date, "%d/%m/%Y")[0:5])
archive_issue = datetime_to_issue(archive_issue_time, journal_name)
if not archive_issue:
archive_issue = get_current_issue(ln, journal_name)
except ValueError:
archive_issue = get_current_issue(ln, journal_name)
redirect_to_url(req, "%s/journal/%s/%s/%s?ln=%s" % (CFG_SITE_URL,
journal_name,
archive_issue.split('/')[1],
archive_issue.split('/')[0],
ln))

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