wcs/wcs/forms/actions.py

265 lines
10 KiB
Python

# w.c.s. - web application for online forms
# Copyright (C) 2005-2018 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 quixote import get_publisher, get_request, get_response, get_session, redirect
from quixote.directory import Directory
from quixote.errors import PublishError
from wcs.carddef import CardDef
from wcs.formdef import FormDef
from wcs.forms.common import FormTemplateMixin
from wcs.qommon import _, errors, misc, template
from wcs.qommon.afterjobs import AfterJob
from wcs.qommon.form import Form
from wcs.qommon.http_request import HTTPRequest
from wcs.wf.jump import jump_and_perform
from wcs.workflows import perform_items, push_perform_workflow
class MissingOrExpiredToken(PublishError):
status_code = 404
title = _('Error')
description = _('This action link has already been used or has expired.')
class MissingFormdata(PublishError):
status_code = 404
title = _('Error')
description = _('This action link is no longer valid as the attached form has been removed.')
class ActionsDirectory(Directory):
def _q_lookup(self, component):
try:
token = get_publisher().token_class.get(component)
except KeyError:
raise MissingOrExpiredToken()
if token.type == 'action':
return ActionDirectory(token)
if token.type == 'global-interactive-action':
return GlobalInteractiveActionDirectory(token)
raise errors.TraversalError()
class ActionDirectory(Directory, FormTemplateMixin):
_q_exports = ['']
templates = ['wcs/action.html']
def __init__(self, token):
self.token = token
formdef_type = self.token.context.get('form_type', 'formdef')
if formdef_type == 'carddef':
formdef_class = CardDef
elif formdef_type == 'formdef':
formdef_class = FormDef
else:
raise errors.TraversalError()
self.formdef = formdef_class.get_by_urlname(self.token.context['form_slug'])
try:
self.formdata = self.formdef.data_class().get(self.token.context['form_number_raw'])
except KeyError:
raise MissingFormdata()
self.action = None
status = self.formdata.get_status()
for item in status.items:
if getattr(item, 'identifier', None) == self.token.context['action_id']:
self.action = item
break
else:
raise MissingOrExpiredToken()
def _q_index(self):
get_response().set_title(self.formdef.name)
form = Form()
form.add_submit('submit', misc.site_encode(self.token.context['label']))
if form.is_submitted() and not form.has_errors():
return self.submit()
context = {
'view': self,
'form': form,
'html_form': form,
'message': self.token.context.get('message'),
}
return template.QommonTemplateResponse(
templates=list(self.get_formdef_template_variants(self.templates)), context=context
)
def submit(self):
self.formdata.record_workflow_event('email-button', action_item_id=self.action.id)
url = jump_and_perform(self.formdata, self.action)
done_message = self.token.context.get('done_message')
self.token.remove_self()
if url:
return redirect(url)
context = {
'view': self,
'done': True,
'done_message': done_message,
}
return template.QommonTemplateResponse(
templates=list(self.get_formdef_template_variants(self.templates)), context=context
)
class GlobalInteractiveActionDirectory(Directory, FormTemplateMixin):
_q_exports = ['']
def __init__(self, token):
self.token = token
formdef_type = self.token.context.get('form_type', 'formdef')
if formdef_type == 'carddef':
formdef_class = CardDef
elif formdef_type == 'formdef':
formdef_class = FormDef
else:
raise errors.TraversalError()
self.formdef = formdef_class.get_by_urlname(self.token.context['form_slug'])
try:
self.formdata = self.formdef.data_class().get(self.token.context['form_ids'][0])
except KeyError:
raise MissingFormdata()
self.action = None
for action in self.formdef.workflow.global_actions or []:
if action.id == self.token.context['action_id']:
self.action = action
break
else:
raise MissingOrExpiredToken()
def _q_index(self):
get_response().set_title(self.formdef.name)
if get_request().is_in_backoffice():
get_response().breadcrumb.append(('', self.action.name))
template_name = 'wcs/backoffice/global-interactive-action.html'
else:
template_name = 'wcs/global-interactive-action.html'
if len(self.token.context['form_ids']) == 1:
get_publisher().substitutions.feed(self.formdata)
form = self.action.get_action_form(self.formdata, user=get_request().user)
if not form:
# empty form, nothing to do
get_session().message = ('error', _('Error: empty action'))
return redirect(self.token.context['return_url'])
if not form.is_submitted() or form.has_errors():
messages = self.action.get_messages()
context = {
'html_form': form,
'action': self.action,
'ids': self.token.context['form_ids'],
'formdata': self.formdata,
'workflow_messages': messages,
}
return template.QommonTemplateResponse(templates=[template_name], context=context)
if len(self.token.context['form_ids']) > 1:
# mass action
job = get_response().add_after_job(
GlobalInteractiveMassActionAfterJob(
label=_('Executing task "%s" on forms') % self.action.name,
formdef=self.formdef,
request_form=get_request().form,
user_id=get_request().user.id,
action_id=self.action.id,
item_ids=self.token.context['form_ids'],
session_id=get_session().id,
return_url=self.token.context['return_url'],
)
)
job.store()
self.token.remove_self()
return redirect(job.get_processing_url())
url = GlobalInteractiveMassActionAfterJob.execute_one(
get_publisher(), self.formdata, self.action, get_request().user, afterjob=False
)
if not url:
url = self.formdata.get_url(backoffice=bool(get_request().is_in_backoffice()))
self.token.remove_self()
return redirect(url)
class GlobalInteractiveMassActionAfterJob(AfterJob):
def __init__(self, formdef, **kwargs):
super().__init__(formdef_class=formdef.__class__, formdef_id=formdef.id, **kwargs)
def execute(self):
self.total_count = len(self.kwargs['item_ids'])
# restore request form
publisher = get_publisher()
req = HTTPRequest(None, {'SERVER_NAME': publisher.tenant.hostname, 'SCRIPT_NAME': ''})
req.form = self.kwargs['request_form']
formdef = self.kwargs['formdef_class'].get(self.kwargs['formdef_id'])
data_class = formdef.data_class()
for action in formdef.workflow.global_actions or []:
if action.id == self.kwargs['action_id']:
break
else:
# maybe action got removed from workflow?
return
user = publisher.user_class.get(self.kwargs['user_id'])
for item_id in self.kwargs['item_ids']:
publisher._set_request(req)
req.session = publisher.session_class.get(self.kwargs['session_id'])
formdata = data_class.get(item_id)
self.execute_one(publisher, formdata, action, user)
self.increment_count()
@classmethod
def execute_one(cls, publisher, formdata, action, user, afterjob=True):
publisher.reset_formdata_state()
publisher.substitutions.feed(user)
publisher.substitutions.feed(formdata.formdef)
publisher.substitutions.feed(formdata)
status = formdata.status
form = action.get_action_form(formdata, user=user)
form.method = 'get'
url = action.handle_form(form, formdata, user=user)
if afterjob:
# reset request to avoid emails being created as afterjobs
publisher._set_request(None)
with push_perform_workflow(formdata):
if formdata.status == status:
# if there's no status change run non-interactive items from global action
formdata.record_workflow_event('global-interactive-action', global_action_id=action.id)
url = perform_items(action.items, formdata, global_action=True) or url
else:
# run actions from new status
wf_status = formdata.get_status()
formdata.record_workflow_event('global-interactive-action', global_action_id=action.id)
url = perform_items(wf_status.items, formdata) or url
# return url, it is used when the action is performed on a single item
return url
def done_action_url(self):
return self.kwargs['return_url']
def done_action_label(self):
return _('Back to Listing')
def done_button_attributes(self):
return {'data-redirect-auto': 'true'}