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:
api.queue_activity(
sender_id=instance.user_id,
verb="raved about",
model_name="review",
obj_id=instance.pk
)
api.add_karma_action(
recipient_id=instance.user_id,
giver_id=instance.user_id,
karma=5
)
api.update_statistics(
model_name="userstatistics",
obj_id=instance.user_id,
reviews=1,
karma=5
)
rating = utils.get_rating_field(instance.rating)
api.update_statistics(
model_name="item",
obj_id=instance.item_id,
**{ rating: 1, 'reviews': 1 }
)
api.update_statistics(
model_name="popularity",
obj_id=instance.item_id,
today=instance.rating,
week=instance.rating,
month=instance.rating,
alltime=instance.rating
)
agrees = api.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)
api.update_statistics(
model_name="item",
obj_id=instance.item_id,
**{ rating: -1}
)
def create_thank(sender, instance, created, **kwargs):
"""
Create a notification for the writer of the review.
Create a karma action for the agree.
Increment the giver's thanks by one and karma by one.
Increment the receiver's thanks by one and karma by two.
"""
if created:
api.queue_notification(
sender_id=instance.giver_id,
recipient_id=instance.review.user_id,
model_name="thank",
obj_id=instance.pk
)
api.add_karma_action(
recipient_id=instance.review.user_id,
giver_id=instance.giver_id,
karma=1
)
api.update_statistics(
model_name="userstatistics",
obj_id=instance.giver_id,
thanks_out=1
)
api.update_statistics(
model_name="userstatistics",
obj_id=instance.review.user_id,
thanks_in=1,
karma=1
)
api.update_statistics(
model_name="review",
obj_id=instance.review_id,
thanks=1
)
api.update_statistics(
model_name="popularity",
obj_id=instance.review.item_id,
today=instance.review.rating,
week=instance.review.rating,
month=instance.review.rating,
alltime=instance.review.rating
)
def delete_review(sender, instance, **kwargs):
"""
Deletes all related activities, agrees, and thanks.
Undo the updates when the review was created.
"""
api.filter_then_delete(
model_name="activity",
content_type=api.get_content_type("review"),
object_id=instance.pk
)
api.filter_then_delete(model_name="agree", review=instance.pk)
api.filter_then_delete(model_name="thank", review=instance.pk)
api.update_statistics(
model_name="userstatistics",
obj_id=instance.user_id,
reviews=-1,
karma=-5
)
rating = utils.get_rating_field(instance.rating)
api.update_statistics(
model_name="item",
obj_id=instance.item_id,
**{ rating: -1, 'reviews': -1 }
)
api.update_statistics(
model_name="popularity",
obj_id=instance.item_id,
**utils.decrement_popularities(instance.created_at,
instance.rating)
)
agrees = api.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)
api.update_statistics(
model_name="item",
obj_id=instance.item_id,
**{ rating: 1 }
)
def delete_thank(sender, instance, **kwargs):
"""
Undo the updates when the thank was created.
"""
api.remove_notification(
sender_id=instance.giver_id,
recipient_id=instance.review.user_id,
model_name="thank",
obj_id=instance.pk
)
api.remove_karma_action(
recipient_id=instance.review.user_id,
giver_id=instance.giver_id,
karma=1,
time_range=(instance.created_at,
instance.created_at+dt.timedelta(hours=1))
)
api.update_statistics(
model_name="userstatistics",
obj_id=instance.giver_id,
thanks_out=-1
)
api.update_statistics(
model_name="userstatistics",
obj_id=instance.review.user_id,
thanks_in=-1,
karma=-1
)
api.update_statistics(
model_name="review",
obj_id=instance.review_id,
thanks=-1
)
api.update_statistics(
model_name="popularity",
obj_id=instance.review.item_id,
**utils.decrement_popularities(instance.created_at,
instance.review.rating)
)
def delete_agree(sender, instance, **kwargs):
"""
Undo the updates when the agree was created.
"""
api.remove_activity(
sender_id=instance.giver_id,
verb="re-raved",
model_name="review",
obj_id=instance.review_id
)
api.remove_notification(
sender_id=instance.giver_id,
recipient_id=instance.review.user_id,
model_name="agree",
obj_id=instance.pk
)
api.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))
)
api.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))
)
api.update_statistics(
model_name="userstatistics",
obj_id=instance.giver_id,
agrees_out=-1,
karma=-1
)
api.update_statistics(
model_name="userstatistics",
obj_id=instance.review.user_id,
agrees_in=-1,
karma=-2
)
api.update_statistics(
model_name="review",
obj_id=instance.review_id,
agrees=-1
)
api.update_statistics(
model_name="popularity",
obj_id=instance.review.item_id,
**utils.decrement_popularities(instance.created_at,
instance.review.rating)
)
reviews = api.filter_then_count(
model_name="review",
user=instance.giver_id,
item=instance.review.item_id
)
if reviews == 0:
remaining = api.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)
api.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)
api.update_statistics(
model_name="item",
obj_id=instance.review.item_id,
**{ new_rating: 1 }
)
def create_agree(sender, instance, created, **kwargs):
"""
Creates a notification for the writer of the review.
Create two karma actions for the agree.
Increment the giver's agrees by one and karma by one.
Increment the receiver's agrees by one and karma by two.
Increment the item's rating count by one.
"""
if created:
api.queue_activity(
sender_id=instance.giver_id,
verb="re-raved",
model_name="review",
obj_id=instance.review_id
)
api.queue_notification(
sender_id=instance.giver_id,
recipient_id=instance.review.user_id,
model_name="agree",
obj_id=instance.pk
)
api.add_karma_action(
recipient_id=instance.review.user_id,
giver_id=instance.giver_id,
karma=2
)
api.add_karma_action(
recipient_id=instance.giver_id,
giver_id=instance.giver_id,
karma=1
)
api.update_statistics(
model_name="userstatistics",
obj_id=instance.giver_id,
agrees_out=1,
karma=1
)
api.update_statistics(
model_name="userstatistics",
obj_id=instance.review.user_id,
agrees_in=1,
karma=2
)
api.update_statistics(
model_name="review",
obj_id=instance.review_id,
agrees=1
)
api.update_statistics(
model_name="popularity",
obj_id=instance.review.item_id,
today=instance.review.rating,
week=instance.review.rating,
month=instance.review.rating,
alltime=instance.review.rating
)
reviews = api.filter_then_count(
model_name="review",
user=instance.giver_id,
item=instance.review.item_id
)
if reviews == 0:
rating = utils.get_rating_field(instance.review.rating)
api.update_statistics(
model_name="item",
obj_id=instance.review.item_id,
**{ rating: 1}
)
old_agrees = api.filter_excluding_me_then_order_by(
model_name="agree",
obj_id=instance.pk,
order_criteria="-created_at",
giver=instance.giver_id,
review__item=instance.review.item_id
)
if old_agrees:
rating = utils.get_rating_field(
old_agrees[0].review.rating)
api.update_statistics(
model_name="item",
obj_id=instance.review.item_id,
**{ rating: -1 }
)
