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Viewing changes to lib/lp/extensions/answersbugs/browser.py

  • Committer: Francis J. Lacoste
  • Date: 2009-03-14 01:40:44 UTC
  • mto: This revision was merged to the branch mainline in revision 8007.
  • Revision ID: francis.lacoste@canonical.com-20090314014044-v2kj19v230gk4109
Moved ZCML, templates and adapters. Split out karma and notifications.

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lib/lp/extensions/answersbugs/browser.py
 
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# Copyright 2006-2009 Canonical Ltd.  All rights reserved.
 
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"""Views for linking bugs and questions."""
 
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__metaclass__ = type
 
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__all__ = []
 
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from zope.event import notify
 
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from canonical.launchpad import _
 
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from zope.interface import providedBy
 
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from lazr.lifecycle.event import ObjectModifiedEvent
 
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from lazr.lifecycle.snapshot import Snapshot
 
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from canonical.launchpad.interfaces.bug import CreateBugParams,  IBug
 
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from canonical.launchpad.webapp.publisher import canonical_url
 
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from canonical.launchpad.webapp.launchpadform import action, LaunchpadFormView
 
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class QuestionMakeBugView(LaunchpadFormView):
 
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    """Browser class for adding a bug from a question."""
 
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    schema = IBug
 
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    field_names = ['title', 'description']
 
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    def initialize(self):
 
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        """Initialize the view when a Bug may be reported for the Question."""
 
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        question = self.context
 
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        if question.bugs:
 
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            # we can't make a bug when we have linked bugs
 
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            self.request.response.addErrorNotification(
 
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                _('You cannot create a bug report from a question'
 
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                  'that already has bugs linked to it.'))
 
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            self.request.response.redirect(canonical_url(question))
 
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            return
 
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        LaunchpadFormView.initialize(self)
 
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    @property
 
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    def initial_values(self):
 
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        """Return the initial form values."""
 
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        question = self.context
 
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        return {'title': '',
 
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                'description': question.description}
 
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    @action(_('Create Bug Report'), name='create')
 
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    def create_action(self, action, data):
 
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        """Create a Bug from a Question."""
 
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        question = self.context
 
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        unmodifed_question = Snapshot(
 
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            question, providing=providedBy(question))
 
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        params = CreateBugParams(
 
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            owner=self.user, title=data['title'], comment=data['description'])
 
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        bug = question.target.createBug(params)
 
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        question.linkBug(bug)
 
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        bug.subscribe(question.owner, self.user)
 
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        bug_added_event = ObjectModifiedEvent(
 
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            question, unmodifed_question, ['bugs'])
 
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        notify(bug_added_event)
 
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        self.request.response.addNotification(
 
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            _('Thank you! Bug #$bugid created.', mapping={'bugid': bug.id}))
 
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        self.next_url = canonical_url(bug)
 
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