def delete_review(sender, instance, **kwargs):
"""
Deletes all related activities, agrees, and thanks.
Undo the updates when the review was created.
"""
signalAPI.filter_then_delete(
model_name="activity",
content_type=signalAPI.get_content_type("review"),
object_id=instance.pk)
signalAPI.filter_then_delete(model_name="agree", review=instance.pk)
signalAPI.filter_then_delete(model_name="thank", review=instance.pk)
signalAPI.update_statistics(model_name="userstatistics",
obj_id=instance.user_id,
reviews=-1,
karma=-5)
rating = utils.get_rating_field(instance.rating)
signalAPI.update_statistics(model_name="item",
obj_id=instance.item_id,
**{
rating: -1,
'reviews': -1
})
signalAPI.update_statistics(model_name="popularity",
obj_id=instance.item_id,
**utils.decrement_popularities(
instance.created_at, instance.rating))
agrees = signalAPI.filter_then_order_by(model_name="agree",
order_criteria="-created_at",
giver=instance.user_id,
review__item=instance.item_id)
if agrees:
rating = utils.get_rating_field(agrees[0].review.rating)
signalAPI.update_statistics(model_name="item",
obj_id=instance.item_id,
**{rating: 1})
def delete_agree(sender, instance, **kwargs):
"""
Undo the updates when the agree was created.
"""
try:
instance.review
except ObjectDoesNotExist:
return False
signalAPI.remove_activity(sender_id=instance.giver_id,
verb="re-raved",
model_name="review",
obj_id=instance.review_id)
signalAPI.remove_karma_action(
recipient_id=instance.review.user_id,
giver_id=instance.giver_id,
karma=2,
time_range=(instance.created_at,
instance.created_at + dt.timedelta(hours=1)))
signalAPI.remove_karma_action(
recipient_id=instance.giver_id,
giver_id=instance.giver_id,
karma=1,
time_range=(instance.created_at,
instance.created_at + dt.timedelta(hours=1)))
signalAPI.update_statistics(model_name="userstatistics",
obj_id=instance.giver_id,
agrees_out=-1,
karma=-1)
signalAPI.update_statistics(model_name="userstatistics",
obj_id=instance.review.user_id,
agrees_in=-1,
karma=-2)
signalAPI.update_statistics(model_name="review",
obj_id=instance.review_id,
agrees=-1)
signalAPI.update_statistics(model_name="popularity",
obj_id=instance.review.item_id,
**utils.decrement_popularities(
instance.created_at,
instance.review.rating))
reviews = signalAPI.filter_then_count(model_name="review",
user=instance.giver_id,
item=instance.review.item_id)
if reviews == 0:
remaining = signalAPI.filter_then_order_by(
model_name="agree",
order_criteria="-created_at",
giver=instance.giver_id,
review__item=instance.review.item_id)
if (not remaining or remaining[0].created_at < instance.created_at):
old_rating = utils.get_rating_field(instance.review.rating)
signalAPI.update_statistics(model_name="item",
obj_id=instance.review.item_id,
**{old_rating: -1})
if remaining:
new_rating = utils.get_rating_field(remaining[0].review.rating)
signalAPI.update_statistics(model_name="item",
obj_id=instance.review.item_id,
**{new_rating: 1})
def create_review(sender, instance, created, **kwargs):
"""
Queue an activity for the review.
Create a karma action for the review.
Increment the user's reviews by one and karma by five.
Update the item's ratings by the review's rating.
Update the item's popularity by the review's rating.
"""
if created:
signalAPI.queue_activity(
sender_id=instance.user_id,
verb="raved about",
model_name="review",
obj_id=instance.pk
)
signalAPI.add_karma_action(
recipient_id=instance.user_id,
giver_id=instance.user_id,
karma=5
)
signalAPI.update_statistics(
model_name="userstatistics",
obj_id=instance.user_id,
reviews=1,
karma=5
)
rating = utils.get_rating_field(instance.rating)
signalAPI.update_statistics(
model_name="item",
obj_id=instance.item_id,
**{ rating: 1, 'reviews': 1 }
)
signalAPI.update_statistics(
model_name="popularity",
obj_id=instance.item_id,
today=instance.rating,
week=instance.rating,
month=instance.rating,
alltime=instance.rating
)
agrees = signalAPI.filter_then_order_by(
model_name="agree",
order_criteria="-created_at",
giver=instance.user_id,
review__item=instance.item_id
)
if agrees:
rating = utils.get_rating_field(agrees[0].review.rating)
signalAPI.update_statistics(
model_name="item",
obj_id=instance.item_id,
**{ rating: -1}
)
def delete_review(sender, instance, **kwargs):
"""
Deletes all related activities, agrees, and thanks.
Undo the updates when the review was created.
"""
signalAPI.filter_then_delete(
model_name="activity",
content_type=signalAPI.get_content_type("review"),
object_id=instance.pk
)
signalAPI.filter_then_delete(model_name="agree", review=instance.pk)
signalAPI.filter_then_delete(model_name="thank", review=instance.pk)
signalAPI.update_statistics(
model_name="userstatistics",
obj_id=instance.user_id,
reviews=-1,
karma=-5
)
rating = utils.get_rating_field(instance.rating)
signalAPI.update_statistics(
model_name="item",
obj_id=instance.item_id,
**{ rating: -1, 'reviews': -1 }
)
signalAPI.update_statistics(
model_name="popularity",
obj_id=instance.item_id,
**utils.decrement_popularities(instance.created_at,
instance.rating)
)
agrees = signalAPI.filter_then_order_by(
model_name="agree",
order_criteria="-created_at",
giver=instance.user_id,
review__item=instance.item_id
)
if agrees:
rating = utils.get_rating_field(agrees[0].review.rating)
signalAPI.update_statistics(
model_name="item",
obj_id=instance.item_id,
**{ rating: 1 }
)
def create_review(sender, instance, created, **kwargs):
"""
Queue an activity for the review.
Create a karma action for the review.
Increment the user's reviews by one and karma by five.
Update the item's ratings by the review's rating.
Update the item's popularity by the review's rating.
"""
if created:
signalAPI.queue_activity(sender_id=instance.user_id,
verb="raved about",
model_name="review",
obj_id=instance.pk)
signalAPI.add_karma_action(recipient_id=instance.user_id,
giver_id=instance.user_id,
karma=5)
signalAPI.update_statistics(model_name="userstatistics",
obj_id=instance.user_id,
reviews=1,
karma=5)
rating = utils.get_rating_field(instance.rating)
signalAPI.update_statistics(model_name="item",
obj_id=instance.item_id,
**{
rating: 1,
'reviews': 1
})
signalAPI.update_statistics(model_name="popularity",
obj_id=instance.item_id,
today=instance.rating,
week=instance.rating,
month=instance.rating,
alltime=instance.rating)
agrees = signalAPI.filter_then_order_by(model_name="agree",
order_criteria="-created_at",
giver=instance.user_id,
review__item=instance.item_id)
if agrees:
rating = utils.get_rating_field(agrees[0].review.rating)
signalAPI.update_statistics(model_name="item",
obj_id=instance.item_id,
**{rating: -1})
def delete_agree(sender, instance, **kwargs):
"""
Undo the updates when the agree was created.
"""
try:
instance.review
except ObjectDoesNotExist:
return False
signalAPI.remove_activity(
sender_id=instance.giver_id,
verb="re-raved",
model_name="review",
obj_id=instance.review_id
)
signalAPI.remove_karma_action(
recipient_id=instance.review.user_id,
giver_id=instance.giver_id,
karma=2,
time_range=(instance.created_at,
instance.created_at+dt.timedelta(hours=1))
)
signalAPI.remove_karma_action(
recipient_id=instance.giver_id,
giver_id=instance.giver_id,
karma=1,
time_range=(instance.created_at,
instance.created_at+dt.timedelta(hours=1))
)
signalAPI.update_statistics(
model_name="userstatistics",
obj_id=instance.giver_id,
agrees_out=-1,
karma=-1
)
signalAPI.update_statistics(
model_name="userstatistics",
obj_id=instance.review.user_id,
agrees_in=-1,
karma=-2
)
signalAPI.update_statistics(
model_name="review",
obj_id=instance.review_id,
agrees=-1
)
signalAPI.update_statistics(
model_name="popularity",
obj_id=instance.review.item_id,
**utils.decrement_popularities(instance.created_at,
instance.review.rating)
)
reviews = signalAPI.filter_then_count(
model_name="review",
user=instance.giver_id,
item=instance.review.item_id
)
if reviews == 0:
remaining = signalAPI.filter_then_order_by(
model_name="agree",
order_criteria="-created_at",
giver=instance.giver_id,
review__item=instance.review.item_id
)
if (not remaining or
remaining[0].created_at < instance.created_at):
old_rating = utils.get_rating_field(instance.review.rating)
signalAPI.update_statistics(
model_name="item",
obj_id=instance.review.item_id,
**{ old_rating: -1 }
)
if remaining:
new_rating = utils.get_rating_field(
remaining[0].review.rating)
signalAPI.update_statistics(
model_name="item",
obj_id=instance.review.item_id,
**{ new_rating: 1 }
)
