Files
polylan-submitter/polylan_submitter/submissions/signals.py
T

68 lines
1.9 KiB
Python

import json
from django.db.models.signals import post_save
from django.dispatch import receiver
from asgiref.sync import async_to_sync
from channels.layers import get_channel_layer
from submissions.models import Submission, SubmissionFile, ImageCrop
from submissions.schemas import SubmissionOut, SubmissionFileOut, ImageCropOut
channel_layer = get_channel_layer()
@receiver(post_save, sender=Submission)
def broadcast_submission_update(sender, instance, created, **kwargs):
if not instance.user:
return
user_group_name = f"submissions_user_{instance.user.id}"
schema = SubmissionOut.model_validate(instance)
submission_data = schema.model_dump(mode="json")
async_to_sync(channel_layer.group_send)(
user_group_name,
{
"type": "submission.updated",
"submission": submission_data,
}
)
@receiver(post_save, sender=SubmissionFile)
def broadcast_submission_file_update(sender, instance, created, **kwargs):
submission = instance.submission
if not submission.user:
return
user_group_name = f"submissions_user_{submission.user.id}"
schema = SubmissionFileOut.model_validate(instance)
file_data = schema.model_dump(mode="json")
async_to_sync(channel_layer.group_send)(
user_group_name,
{
"type": "submission.file.updated",
"file": file_data,
}
)
@receiver(post_save, sender=ImageCrop)
def broadcast_image_crop_update(sender, instance, created, **kwargs):
submission = instance.submission_file.submission
if not submission.user:
return
user_group_name = f"submissions_user_{submission.user.id}"
schema = ImageCropOut.model_validate(instance)
crop_data = schema.model_dump(mode="json")
async_to_sync(channel_layer.group_send)(
user_group_name,
{
"type": "submission.crop.updated",
"crop": crop_data,
}
)