wcs/wcs/wf/attachment.py

218 lines
9.1 KiB
Python

# w.c.s. - web application for online forms
# Copyright (C) 2005-2010 Entr'ouvert
#
# 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 2 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 django.utils.six.moves.urllib import parse as urllib
from quixote import redirect
from ..qommon import _, N_
from wcs.workflows import *
from ..qommon import get_cfg
from ..qommon.errors import *
from ..qommon.misc import get_document_type_value_options
from wcs.forms.common import FormStatusPage, FileDirectory
from wcs.portfolio import has_portfolio, push_document
def lookup_wf_attachment(self, filename):
# supports for URLs such as /$formdata/$id/files/attachment/test.txt
# and /$formdata/$id/files/attachment-$file-reference/test.txt
if self.reference.split('-')[0] != 'attachment':
return
if '-' in self.reference:
file_reference = self.reference.split('-', 1)[1]
else:
file_reference = None
filenames = [filename, urllib.unquote(filename)]
for p in self.formdata.iter_evolution_parts():
if not isinstance(p, AttachmentEvolutionPart):
continue
if file_reference and os.path.basename(p.filename) != file_reference:
continue
if p.base_filename in filenames:
return p
def form_attachment(self):
self.check_receiver()
try:
fn = get_request().form['f']
except (KeyError, ValueError):
raise TraversalError()
for evo in self.filled.evolution:
if evo.parts:
for p in evo.parts:
if not isinstance(p, AttachmentEvolutionPart):
continue
if os.path.basename(p.filename) == fn:
return redirect( '%sfiles/attachment-%s/%s' % (
self.filled.get_url(), fn, urllib.quote(p.base_filename)))
raise TraversalError()
class AddAttachmentWorkflowStatusItem(WorkflowStatusItem):
description = N_('Attachment')
key = 'addattachment'
category = 'interaction'
endpoint = False
waitpoint = True
ok_in_global_action = False
title = None
display_title = True
button_label = None
display_button = True
required = False
hint = None
by = []
backoffice_info_text = None
varname = None
backoffice_filefield_id = None
attach_to_history = True # legacy choice
push_to_portfolio = False
document_type = None
max_file_size = None
def __init__(self, *args, **kwargs):
super(AddAttachmentWorkflowStatusItem, self).__init__(*args, **kwargs)
self.document_type = self.document_type or {}
@classmethod
def init(cls):
FormStatusPage._q_extra_exports.append('attachment')
FormStatusPage.attachment = form_attachment
if not 'lookup_wf_attachment' in FileDirectory._lookup_methods:
FileDirectory._lookup_methods.append('lookup_wf_attachment')
FileDirectory.lookup_wf_attachment = lookup_wf_attachment
def get_line_details(self):
if self.by:
return _('by %s') % self.render_list_of_roles(self.by)
else:
return _('not completed')
def fill_form(self, form, formdata, user, **kwargs):
if self.display_title:
title = self.title or _('Upload File')
else:
title = None
file_type = (self.document_type or {}).get('mimetypes')
form.add(FileWithPreviewWidget, 'attachment%s' % self.id, title=title,
required=self.required, hint=self.hint, file_type=file_type,
max_file_size=self.max_file_size)
if self.display_button:
form.add_submit('button%s' % self.id, self.button_label or _('Upload File'))
form.get_widget('button%s' % self.id).backoffice_info_text = self.backoffice_info_text
def submit_form(self, form, formdata, user, evo):
if form.get_widget('attachment%s' % self.id):
f = form.get_widget('attachment%s' % self.id).parse()
if f is None:
if self.required:
form.set_error('attachment%s' % self.id, _('Missing file'))
return
outstream = f.fp
filename = f.base_filename
content_type = f.content_type or 'application/octet-stream'
if self.push_to_portfolio:
push_document(formdata.get_user(), filename, outstream)
if self.backoffice_filefield_id:
outstream.seek(0)
self.store_in_backoffice_filefield(
formdata,
self.backoffice_filefield_id,
filename,
content_type,
outstream.read())
if self.attach_to_history:
f.fp.seek(0)
evo.add_part(AttachmentEvolutionPart.from_upload(f, varname=self.varname))
def get_parameters(self):
parameters = ('by', 'required', 'title', 'display_title', 'button_label',
'display_button', 'hint', 'backoffice_info_text',
'backoffice_filefield_id', 'varname', 'attach_to_history', 'document_type',
'max_file_size')
if has_portfolio():
parameters += ('push_to_portfolio',)
parameters += ('condition',)
return parameters
def add_parameters_widgets(self, form, parameters, prefix='', formdef=None):
super(AddAttachmentWorkflowStatusItem, self).add_parameters_widgets(
form, parameters, prefix=prefix, formdef=formdef)
if 'by' in parameters:
form.add(WidgetList, '%sby' % prefix, title = _('By'),
element_type = SingleSelectWidget,
value = self.by,
add_element_label=self.get_add_role_label(),
element_kwargs={'render_br': False,
'options': [(None, '---', None)] + self.get_list_of_roles()})
if 'required' in parameters:
form.add(CheckboxWidget, '%srequired' % prefix, title = _('Required'), value = self.required)
if 'title' in parameters:
form.add(StringWidget, '%stitle' % prefix, size=40, title=_('Title'), value=self.title or _('Upload File'))
if 'display_title' in parameters:
form.add(CheckboxWidget, '%sdisplay_title' % prefix, title = _('Display Title'), value = self.display_title)
if 'button_label' in parameters:
form.add(StringWidget, '%sbutton_label' % prefix, title=_('Button Label'),
value=self.button_label or _('Upload File'))
if 'display_button' in parameters:
form.add(CheckboxWidget, '%sdisplay_button' % prefix, title = _('Display Button'), value = self.display_button)
if 'hint' in parameters:
form.add(StringWidget, '%shint' % prefix, size=40, title=_('Hint'), value=self.hint)
if 'backoffice_info_text' in parameters:
form.add(WysiwygTextWidget, '%sbackoffice_info_text' % prefix,
title=_('Information Text for Backoffice'),
value=self.backoffice_info_text)
if 'backoffice_filefield_id' in parameters:
options = self.get_backoffice_filefield_options()
if options:
form.add(SingleSelectWidget, '%sbackoffice_filefield_id' % prefix,
title=_('Store in a backoffice file field'),
value=self.backoffice_filefield_id,
options=[(None, '---', None)] + options)
if 'varname' in parameters:
form.add(VarnameWidget, '%svarname' % prefix,
title=_('Identifier'), value=self.varname,
hint=_('This is used to get attachment in expressions.'))
if 'attach_to_history' in parameters:
form.add(CheckboxWidget, '%sattach_to_history' % prefix,
title=_('Include in form history'),
value=self.attach_to_history)
if 'push_to_portfolio' in parameters:
form.add(CheckboxWidget, '%spush_to_portfolio' % prefix,
title=_('Push to portfolio'),
value=self.push_to_portfolio)
if 'document_type' in parameters:
value, options = get_document_type_value_options(self.document_type)
form.add(SingleSelectWidget, 'document_type', title=_('File type suggestion'),
value=value, options=options,
advanced=not(value))
if 'max_file_size' in parameters:
form.add(FileSizeWidget, 'max_file_size', title=_('Max file size'),
value=self.max_file_size,
advanced=not(self.max_file_size))
register_item_class(AddAttachmentWorkflowStatusItem)