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#
# Copyright (C) 2010 Wikkid Developers
#
# This software is licensed under the GNU Affero General Public License
# version 3 (see the file LICENSE).
"""View classes to control the rendering of text pages."""
import logging
from webob.exc import HTTPSeeOther
from wikkid.filestore import UpdateConflicts
from wikkid.interface.resource import ITextFile
from wikkid.view.edit import BaseEditView
from wikkid.view.wiki import format_content
class EditTextFile(BaseEditView):
"""The page shows the text content in a large edit field."""
for_interface = ITextFile
@property
def rev_id(self):
return self.context.last_modified_in_revision
@property
def content(self):
# We want to pass unicode to the view.
byte_string = self.context.get_bytes()
try:
return byte_string.decode('utf-8')
except UnicodeDecodeError:
try:
return byte_string.decode('latin-1')
except UnicodeDecodeError:
return byte_string.decode('ascii', 'replace')
class SaveNewTextContent(BaseEditView):
"""Update the text of a file."""
name = 'save'
def _render(self, skin):
"""Save the text file.
If it conflicts, render the edit, otherwise render the page (ideally
redirect back to the plain page.
"""
# TODO: barf on a GET
# TODO: barf if there is no user.
params = self.request.params
content = params['content']
description = params['description']
rev_id = (
params['rev-id'].encode('utf-8') if 'rev-id' in params else None)
preview = params.get('preview', None)
if preview is not None:
self.rev_id = rev_id
self.description = description
self.content = content
default_format = self.execution_context.default_format
self.preview_content = format_content(
content, self.context.base_name, default_format)
else:
try:
self.context.put_bytes(
content.encode('utf-8'), self.user.committer_id, rev_id,
description)
location = self.canonical_url(self.context)
raise HTTPSeeOther(location=location)
except UpdateConflicts as e:
# Show the edit page again.
logger = logging.getLogger('wikkid')
logger.info('Conflicts detected: \n%r\n', e.content)
self.rev_id = e.basis_rev
self.content = e.content
self.message = "Conflicts detected during merge."
self.description = description
return super(SaveNewTextContent, self)._render(skin)
class UpdateTextFile(SaveNewTextContent):
for_interface = ITextFile
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