brotherton-erpnext/erpnext/website/web_page.py

82 lines
2.8 KiB
Python

# ERPNext - web based ERP (http://erpnext.com)
# Copyright (C) 2012 Web Notes Technologies Pvt Ltd
#
# 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, 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from __future__ import unicode_literals
import webnotes
import website.utils
import website.web_cache
class Page(object):
def __init__(self, doctype):
self.doctype = doctype
def autoname(self):
"""name from title"""
self.doc.name = website.utils.page_name(self.doc.title)
def validate(self):
if self.doc.name:
self.old_page_name = webnotes.conn.get_value(self.doctype, self.doc.name, 'page_name')
def on_update(self):
# page name updates with the title
self.update_page_name()
self.clear_web_cache()
self.doc.save()
def on_trash(self):
"""delete Web Cache entry"""
self.delete_web_cache(self.doc.page_name)
def update_page_name(self):
"""set page_name and check if it is unique"""
self.doc.page_name = website.utils.page_name(self.doc.title)
res = webnotes.conn.sql("""\
select count(*) from `tab%s`
where page_name=%s and name!=%s""" % (self.doctype, '%s', '%s'),
(self.doc.page_name, self.doc.name))
if res and res[0][0] > 0:
webnotes.msgprint("""A %s with the same title already exists.
Please change the title of %s and save again."""
% (self.doctype, self.doc.name), raise_exception=1)
def clear_web_cache(self):
"""
if web cache entry doesn't exist, it creates one
if duplicate entry exists for another doctype, it raises exception
"""
# delete web cache entry of old name
if hasattr(self, 'old_page_name') and self.old_page_name and \
self.old_page_name != self.doc.page_name:
self.delete_web_cache(self.old_page_name)
website.web_cache.create_cache(self.doc.page_name, self.doc.doctype, self.doc.name)
website.web_cache.clear_cache(self.doc.page_name, self.doc.doctype, self.doc.name)
def delete_web_cache(self, page_name):
"""delete entry of page name from Web Cache"""
website.web_cache.delete_cache(page_name)
def markdown_to_html(self, fields_list):
"""convert fields from markdown to html"""
import markdown2
for f in fields_list:
field_name = "%s_html" % f
self.doc.fields[field_name] = markdown2.markdown(self.doc.fields.get(f) or '', \
extras=["wiki-tables"])