I'm using Swampdragon to provide real time updates to the system since I
don't want users to keep refreshing their page to get them. I used the
*ModelPublisherRouter* which causes me to get any updates to a particular
model.
I currently have an Events model with the following attributes:
class Event(SelfPublishModel, models.Model):
serializer_class = EventSerializer
name = models.CharField(max_length=250)
description = models.CharField(max_length=250)
location = models.CharField(max_length=250)
privacy = models.CharField(max_length=250)
startDate = models.DateField()
endDate = models.DateField()
allDay = models.BooleanField(default=False)
noOfAttendees = models.IntegerField(default=0)
noOfNonAttendees = models.IntegerField(default=0)
noOfInvitees = models.IntegerField(default=0)
eventOwner = models.ForeignKey(User, related_name='eventsOwned')
eventInvitees = models.ManyToManyField(User,
related_name='eventInvitees')
eventAttendees = models.ManyToManyField(User,
related_name='eventAttendees')
eventNonAttendees = models.ManyToManyField(User,
related_name='eventNonAttendees')
As you can see, there are three many to many relationships with the User
table. If I edit an event's name and description without doing any
changes to eventInvitees, eventAttendees or eventNonAttendees, I was
expecting just one "publish" from Swampdragon since there is a change
in the Events row. However, it "publishes" the update, 6 more times and I
suspect it is because of the rows in the join tables as it does not publish
6 times when I comment out these relationships.
I then checked the join tables and every time I do an update through the
admin UI, even if I did not add or remove users, it changes the primary key
of the rows, causing the publish from Swampdragon to be done. Is there any
way I can avoid having the IDs change?
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