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# Copyright 2009 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
"""Views for linking bugs and questions."""
__metaclass__ = type
__all__ = []
from lazr.lifecycle.event import ObjectModifiedEvent
from lazr.lifecycle.snapshot import Snapshot
from zope.event import notify
from zope.interface import providedBy
from canonical.launchpad import _
from canonical.launchpad.webapp.publisher import canonical_url
from lp.app.browser.launchpadform import (
action,
LaunchpadFormView,
)
from lp.bugs.interfaces.bug import (
CreateBugParams,
IBug,
)
class QuestionMakeBugView(LaunchpadFormView):
"""Browser class for adding a bug from a question."""
schema = IBug
field_names = ['title', 'description']
def initialize(self):
"""Initialize the view when a Bug may be reported for the Question."""
question = self.context
if question.bugs:
# we can't make a bug when we have linked bugs
self.request.response.addErrorNotification(
_('You cannot create a bug report from a question'
'that already has bugs linked to it.'))
self.request.response.redirect(canonical_url(question))
return
LaunchpadFormView.initialize(self)
@property
def page_title(self):
return 'Create bug report based on question #%s' % self.context.id
@property
def label(self):
return 'Create a bug based on a question'
@property
def initial_values(self):
"""Return the initial form values."""
question = self.context
return {'title': '',
'description': question.description}
@action(_('Create Bug Report'), name='create')
def create_action(self, action, data):
"""Create a Bug from a Question."""
question = self.context
unmodifed_question = Snapshot(
question, providing=providedBy(question))
params = CreateBugParams(
owner=self.user, title=data['title'], comment=data['description'])
bug = question.target.createBug(params)
question.linkBug(bug)
bug.subscribe(question.owner, self.user)
bug_added_event = ObjectModifiedEvent(
question, unmodifed_question, ['bugs'])
notify(bug_added_event)
self.request.response.addNotification(
_('Thank you! Bug #$bugid created.', mapping={'bugid': bug.id}))
self.next_url = canonical_url(bug)
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