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49 lines
1.7 KiB
Python
49 lines
1.7 KiB
Python
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import os
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from passfinder.common.tasks import crop_model_image
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def create_cropped_model_image(sender, instance, created, **kwargs):
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model = sender
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if created:
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if instance.image:
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crop_model_image.apply_async(
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kwargs={
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"pk": instance.pk,
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"app_label": model._meta.app_label,
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"model_name": model._meta.model_name,
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},
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countdown=2,
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)
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instance.save(update_fields=["image_cropped"])
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def update_cropped_model_image(sender, instance, **kwargs):
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model = sender
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if instance.id:
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previous = model.objects.get(id=instance.id)
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if previous.image != instance.image:
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# delete previous cropped image
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if instance.image_cropped:
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if os.path.isfile(instance.image_cropped.path):
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os.remove(instance.image_cropped.path)
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# run task to create new cropped image
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if kwargs["update_fields"] != frozenset({"image_cropped"}) and instance:
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if instance.image:
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crop_model_image.apply_async(
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kwargs={
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"pk": instance.pk,
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"app_label": model._meta.app_label,
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"model_name": model._meta.model_name,
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},
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countdown=2,
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)
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else:
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instance.image_cropped = None
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def delete_cropped_model_image(sender, instance, **kwargs):
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if instance.image_cropped:
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if os.path.isfile(instance.image_cropped.path):
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os.remove(instance.image_cropped.path)
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