def createDelta(self, user=None, **kwargs):
if user is None:
user = self.user
return BugDelta(bug=self.bug,
bugurl=canonical_url(self.bug),
user=user,
**kwargs)
def notify_bugtask_edited(modified_bugtask, event):
"""Notify CC'd subscribers of this bug that something has changed
on this task.
modified_bugtask must be an IBugTask. event must be an
IObjectModifiedEvent.
"""
bugtask_delta = event.object.getDelta(event.object_before_modification)
bug_delta = BugDelta(bug=event.object.bug,
bugurl=canonical_url(event.object.bug),
bugtask_deltas=bugtask_delta,
user=IPerson(event.user))
event_creator = IPerson(event.user)
previous_subscribers = event.object_before_modification.bug_subscribers
current_subscribers = event.object.bug_subscribers
prev_subs_set = set(previous_subscribers)
cur_subs_set = set(current_subscribers)
new_subs = cur_subs_set.difference(prev_subs_set)
add_bug_change_notifications(bug_delta,
old_bugtask=event.object_before_modification,
new_subscribers=new_subs)
send_bug_details_to_new_bug_subscribers(event.object.bug,
previous_subscribers,
current_subscribers,
event_creator=event_creator)
def get_bug_delta(old_bug, new_bug, user):
"""Compute the delta from old_bug to new_bug.
old_bug and new_bug are IBug's. user is an IPerson. Returns an
IBugDelta if there are changes, or None if there were no changes.
"""
changes = {}
fields = [
"title", "description", "name", "information_type", "duplicateof",
"tags"
]
for field_name in fields:
# fields for which we show old => new when their values change
old_val = getattr(old_bug, field_name)
new_val = getattr(new_bug, field_name)
if old_val != new_val:
changes[field_name] = {}
changes[field_name]["old"] = old_val
changes[field_name]["new"] = new_val
if changes:
changes["bug"] = new_bug
changes["bug_before_modification"] = old_bug
changes["bugurl"] = canonical_url(new_bug)
changes["user"] = user
return BugDelta(**changes)
else:
return None
def notify_bug_attachment_removed(bugattachment, event):
"""Notify that an attachment has been removed."""
bug = bugattachment.bug
bug_delta = BugDelta(bug=bug,
bugurl=canonical_url(bug),
user=IPerson(event.user),
attachment={
'old': bugattachment,
'new': None
})
add_bug_change_notifications(bug_delta)
def notify_bug_attachment_added(bugattachment, event):
"""Notify CC'd list that a new attachment has been added.
bugattachment must be an IBugAttachment. event must be an
IObjectCreatedEvent.
"""
bug = bugattachment.bug
bug_delta = BugDelta(bug=bug,
bugurl=canonical_url(bug),
user=IPerson(event.user),
attachment={
'new': bugattachment,
'old': None
})
add_bug_change_notifications(bug_delta)