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annotate gpp/bio/signals.py @ 480:1a7ca5fa494f

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Fixing #229: Download details view with a bogus download ID produces internal server error isntead of a 404.
author Brian Neal <bgneal@gmail.com>
date Wed, 05 Oct 2011 00:09:30 +0000
parents d83296cac940
children 98b373ca09f3
rev   line source
bgneal@44 1 """
bgneal@471 2 Signal handlers & signals for the bio application.
bgneal@471 3
bgneal@44 4 """
bgneal@44 5 from django.db.models.signals import post_save
bgneal@44 6 from django.contrib.auth.models import User
bgneal@471 7 import django.dispatch
bgneal@204 8
bgneal@204 9 import bio.badges
bgneal@44 10 from bio.models import UserProfile
bgneal@204 11 from donations.models import Donation
bgneal@204 12 from weblinks.models import Link
bgneal@204 13 from downloads.models import Download
bgneal@204 14 from news.models import Story
bgneal@400 15 from potd.models import Photo
bgneal@204 16
bgneal@44 17
bgneal@44 18 def on_user_save(sender, **kwargs):
bgneal@44 19 """
bgneal@44 20 This signal handler ensures that every User has a corresonding
bgneal@44 21 UserProfile. It is called after User instance is saved. It creates
bgneal@44 22 a UserProfile for the User if the created argument is True.
bgneal@400 23
bgneal@44 24 """
bgneal@44 25 created = kwargs['created']
bgneal@44 26 if created:
bgneal@44 27 user = kwargs['instance']
bgneal@204 28 profile = bio.models.UserProfile()
bgneal@44 29 profile.user = user
bgneal@44 30 profile.save()
bgneal@44 31
bgneal@44 32
bgneal@204 33 def on_donation_save(sender, **kwargs):
bgneal@400 34 """
bgneal@400 35 This function is called after a Donation is saved.
bgneal@204 36 If the Donation was newly created and not anonymous,
bgneal@204 37 award the user a contributor pin.
bgneal@400 38
bgneal@204 39 """
bgneal@204 40 if kwargs['created']:
bgneal@204 41 donation = kwargs['instance']
bgneal@204 42 if not donation.is_anonymous and donation.user:
bgneal@204 43 bio.badges.award_badge(bio.badges.CONTRIBUTOR_PIN, donation.user)
bgneal@204 44
bgneal@204 45
bgneal@204 46 def on_link_save(sender, **kwargs):
bgneal@400 47 """
bgneal@400 48 This function is called after a Link is saved. If the Link was newly
bgneal@204 49 created, award the user a link pin.
bgneal@400 50
bgneal@204 51 """
bgneal@204 52 if kwargs['created']:
bgneal@204 53 link = kwargs['instance']
bgneal@204 54 bio.badges.award_badge(bio.badges.LINK_PIN, link.user)
bgneal@204 55
bgneal@204 56
bgneal@204 57 def on_download_save(sender, **kwargs):
bgneal@400 58 """
bgneal@400 59 This function is called after a Download is saved. If the Download was
bgneal@204 60 newly created, award the user a download pin.
bgneal@400 61
bgneal@204 62 """
bgneal@204 63 if kwargs['created']:
bgneal@204 64 download = kwargs['instance']
bgneal@204 65 bio.badges.award_badge(bio.badges.DOWNLOAD_PIN, download.user)
bgneal@204 66
bgneal@204 67
bgneal@204 68 def on_story_save(sender, **kwargs):
bgneal@400 69 """
bgneal@400 70 This function is called after a Story is saved. If the Story was
bgneal@204 71 newly created, award the user a news pin.
bgneal@400 72
bgneal@204 73 """
bgneal@204 74 if kwargs['created']:
bgneal@204 75 story = kwargs['instance']
bgneal@204 76 bio.badges.award_badge(bio.badges.NEWS_PIN, story.submitter)
bgneal@204 77
bgneal@204 78
bgneal@400 79 def on_photo_save(sender, **kwargs):
bgneal@400 80 """
bgneal@400 81 This function is called after a Photo is saved. If the Photo was
bgneal@400 82 newly created, award the user a POTD pin.
bgneal@400 83
bgneal@400 84 """
bgneal@400 85 if kwargs['created']:
bgneal@400 86 photo = kwargs['instance']
bgneal@400 87 bio.badges.award_badge(bio.badges.POTD_PIN, photo.user)
bgneal@400 88
bgneal@400 89
bgneal@260 90 post_save.connect(on_user_save, sender=User, dispatch_uid='bio.signals')
bgneal@260 91 post_save.connect(on_donation_save, sender=Donation, dispatch_uid='bio.signals')
bgneal@260 92 post_save.connect(on_link_save, sender=Link, dispatch_uid='bio.signals')
bgneal@260 93 post_save.connect(on_download_save, sender=Download, dispatch_uid='bio.signals')
bgneal@260 94 post_save.connect(on_story_save, sender=Story, dispatch_uid='bio.signals')
bgneal@400 95 post_save.connect(on_photo_save, sender=Photo, dispatch_uid='bio.signals')
bgneal@471 96
bgneal@471 97 # Signals for the bio application
bgneal@471 98 #
bgneal@471 99 # This signal is sent whenever a profile has had its textual content updated.
bgneal@471 100 # The provided arguments to the receiver function are:
bgneal@471 101 # - sender - the profile model instance
bgneal@471 102
bgneal@471 103 profile_content_update = django.dispatch.Signal(providing_args=[])
bgneal@471 104
bgneal@471 105
bgneal@471 106 def notify_profile_content_update(profile):
bgneal@471 107 """
bgneal@471 108 Convenience function to send the profile content update signal.
bgneal@471 109
bgneal@471 110 """
bgneal@471 111 profile_content_update.send_robust(profile)