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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).
"""Browser view classes for BugBranch-related objects."""
__metaclass__ = type
__all__ = [
'BranchLinkToBugView',
'BugBranchAddView',
'BugBranchDeleteView',
'BugBranchPrimaryContext',
'BugBranchView',
]
from lazr.restful.interfaces import IWebServiceClientRequest
from zope.component import (
adapts,
getMultiAdapter,
)
from zope.interface import (
implements,
Interface,
)
from canonical.launchpad import _
from canonical.launchpad.webapp import (
canonical_url,
LaunchpadView,
)
from canonical.launchpad.webapp.interfaces import IPrimaryContext
from canonical.lazr.utils import smartquote
from lp.app.browser.launchpadform import (
action,
LaunchpadEditFormView,
LaunchpadFormView,
)
from lp.bugs.interfaces.bugbranch import IBugBranch
from lp.code.browser.branchmergeproposal import (
latest_proposals_for_each_branch,
)
from lp.code.enums import BranchLifecycleStatus
from lp.services.propertycache import cachedproperty
class BugBranchPrimaryContext:
"""The primary context is the bug branch link is that of the branch."""
implements(IPrimaryContext)
def __init__(self, bug_branch):
self.context = IPrimaryContext(bug_branch.branch).context
class BugBranchAddView(LaunchpadFormView):
"""Browser view for linking a bug to a branch."""
schema = IBugBranch
# In order to have the branch field rendered using the appropriate
# widget, we set the LaunchpadFormView attribute for_input to True
# to get the read only fields rendered as input widgets.
for_input = True
field_names = ['branch']
@action(_('Continue'), name='continue')
def continue_action(self, action, data):
branch = data['branch']
self.context.bug.linkBranch(
branch=branch, registrant=self.user)
self.request.response.addNotification(
"Successfully registered branch %s for this bug." %
branch.name)
@property
def next_url(self):
return canonical_url(self.context)
@property
def label(self):
return 'Add a branch to bug #%i' % self.context.bug.id
cancel_url = next_url
class BugBranchDeleteView(LaunchpadEditFormView):
"""View to update a BugBranch."""
schema = IBugBranch
field_names = []
def initialize(self):
LaunchpadEditFormView.initialize(self)
@property
def next_url(self):
return canonical_url(self.context.bug)
cancel_url = next_url
@action('Remove link', name='delete')
def delete_action(self, action, data):
self.context.bug.unlinkBranch(self.context.branch, self.user)
label = 'Remove bug branch link'
class BugBranchView(LaunchpadView):
"""Simple view to cache related branch information."""
@cachedproperty
def merge_proposals(self):
"""Return a list of active proposals for the branch."""
branch = self.context.branch
return latest_proposals_for_each_branch(branch.landing_targets)
@property
def show_branch_status(self):
"""Show the branch status if merged and there are no proposals."""
lifecycle_status = self.context.branch.lifecycle_status
return (len(self.merge_proposals) == 0 and
lifecycle_status == BranchLifecycleStatus.MERGED)
class BranchLinkToBugView(LaunchpadFormView):
"""The view to create bug-branch links."""
schema = IBugBranch
# In order to have the bug field rendered using the appropriate
# widget, we set the LaunchpadFormView attribute for_input to True
# to get the read only fields rendered as input widgets.
for_input = True
field_names = ['bug']
@property
def label(self):
return "Link to a bug report"
@property
def page_title(self):
return smartquote(
'Link branch "%s" to a bug report' % self.context.displayname)
@property
def next_url(self):
return canonical_url(self.context)
cancel_url = next_url
@action(_('Continue'), name='continue')
def continue_action(self, action, data):
bug = data['bug']
bug.linkBranch(branch=self.context, registrant=self.user)
class BugBranchXHTMLRepresentation:
adapts(IBugBranch, IWebServiceClientRequest)
implements(Interface)
def __init__(self, branch, request):
self.branch = branch
self.request = request
def __call__(self):
"""Render `BugBranch` as XHTML using the webservice."""
branch_view = getMultiAdapter(
(self.branch, self.request), name="+bug-branch")
return branch_view()
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