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bfe_webjournal_articles.py
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Sat, Jun 29, 06:41

bfe_webjournal_articles.py
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# -*- coding: utf-8 -*-
# $Id: bfe_webjournal_MainArticleOverview.py,v 1.28 2009/02/12 10:00:57 jerome Exp $
#
# 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.
"""
WebJournal Element - Creates an overview of all the articles of a
certain category in one specific issue.
"""
from invenio.bibformat_engine import BibFormatObject
from invenio.messages import gettext_set_language
from invenio.config import CFG_ACCESS_CONTROL_LEVEL_SITE
from invenio.webjournal_utils import \
parse_url_string, \
get_journal_articles, \
cache_index_page, \
get_index_page_from_cache, \
get_journal_categories, \
issue_is_later_than, \
get_current_issue
def format_element(bfo, new_articles_first='yes',
subject_to_css_class_kb="WebJournalSubject2CSSClass",
display_all_category_articles='no', display_category_title='no'):
"""
List all articles one after the other, on the same page.
Similar to bfe_webjournal_articles_overview, but displays full articles.
Note that you cannot use both bfe_webjournal_articles_overview and
bfe_webjournal_articles: you have to choose one of them, as they
use the same cache location (It would also not make sense to use
both...).
@param new_articles_first: if 'yes', display new articles before other articles
@param subject_to_css_class_kb: knowledge base that maps 595__a to a CSS class
@param display_all_category_articles: if yes, display all articles, whatever category is selected
@param display_category_title: if yes, display category title (useful if display_all_category_articles is enabled)
@see: bfe_webjournal_articles_overview.py
"""
args = parse_url_string(bfo.user_info['uri'])
journal_name = args["journal_name"]
this_issue_number = args["issue"]
category_name = args["category"]
verbose = args["verbose"]
ln = bfo.lang
_ = gettext_set_language(ln)
# Try to get the page from cache. Only if issue is older or equal
# to latest release.
latest_released_issue = get_current_issue(ln, journal_name)
if verbose == 0 and not issue_is_later_than(this_issue_number,
latest_released_issue):
cached_html = get_index_page_from_cache(journal_name, category_name,
this_issue_number, ln)
if cached_html:
return cached_html
# Shall we display current category, or all?
categories = [category_name]
if display_all_category_articles.lower() == 'yes':
categories = get_journal_categories(journal_name,
this_issue_number)
out = ''
for category_name in categories:
if display_category_title.lower() == 'yes':
out += '<h2>' + _(category_name) + '</h2>'
out += '<table border="0" cellpadding="0" cellspacing="0">'
# Get the id list
ordered_articles = get_journal_articles(journal_name,
this_issue_number,
category_name,
newest_first=new_articles_first.lower() == 'yes')
new_articles_only = False
if ordered_articles.keys() and max(ordered_articles.keys()) < 0:
# If there are only new articles, don't bother marking them as
# new
new_articles_only = True
order_numbers = ordered_articles.keys()
order_numbers.sort()
for order_number in order_numbers:
for article_id in ordered_articles[order_number]:
# A record is considered as new if its position is
# negative and there are some non-new articles
article_is_new = (order_number < 0 and not new_articles_only)
temp_rec = BibFormatObject(article_id)
title = ''
if ln == "fr":
title = temp_rec.field('246_1a')
if title == '':
title = temp_rec.field('245__a')
else:
title = temp_rec.field('245__a')
if title == '':
title = temp_rec.field('246_1a')
# Get CSS class (if relevant)
notes = temp_rec.fields('595__a')
css_classes = [temp_rec.kb(subject_to_css_class_kb, note, None) \
for note in notes]
css_classes = [css_class for css_class in css_classes \
if css_class is not None]
if article_is_new:
css_classes.append('new')
# Finally create the output. Two different outputs
# depending on if we have text to display or not
text = []
if ln == "fr":
text = temp_rec.fields('590__b')
if not text or \
(len(text) == 1 and \
(text[0].strip() in ['', '<br />', '<!--HTML--><br />'])):
text = temp_rec.fields('520__b')
else:
text = temp_rec.fields('520__b')
if not text or \
(len(text) == 1 and \
(text[0].strip() in ['', '<br />', '<!--HTML--><br />'])):
text = temp_rec.fields('590__b')
text = '<br/>'.join(text)
out += '''
<tr><td class="article">
<h%(header_tag_size)s class="%(css_classes)s articleTitle" style="clear:both;">
%(title)s
</h%(header_tag_size)s>
<div class="articleBody">
<div class="articleText">
%(text)s
</div>
</div>
</td></tr>
''' % {'title': title,
'text': text,
'header_tag_size': (display_category_title.lower() == 'yes') and '3' or '2',
'css_classes': ' '.join(css_classes)}
out += '</table>'
if verbose == 0 and not CFG_ACCESS_CONTROL_LEVEL_SITE == 2 :
cache_index_page(out, journal_name, category_name,
this_issue_number, ln)
return out
def escape_values(bfo):
"""
Called by BibFormat in order to check if output of this element
should be escaped.
"""
return 0

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