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Populate event feed images from the pre-v4-migration thumbnails
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@haydngreatnews
haydngreatnews committed Aug 20, 2024
1 parent 2cd1aea commit 1c79715
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278 changes: 278 additions & 0 deletions cdhweb/events/management/commands/image-mapping.json
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61 changes: 61 additions & 0 deletions cdhweb/events/management/commands/populate_event_thumbnails.py
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from django.core.management.base import BaseCommand
import json
from pathlib import Path
from cdhweb.events.models import Event
from wagtail.images.models import Image


class Command(BaseCommand):
def handle(self, *args, **options):
"""
Update event images from the v3 version of the site
We renamed/replaced the image fields on the Events
for v4, but didn't make a migration to transfer the
data -- this command populates any events that still
have unset images to those from the latest database
dump we have (approx 2024-04-25) -- see
`image-mapping.json`
Mapping prepared with
```
image_mapping = {e.page_ptr_id: e.thumbnail_id for e in Event.objects.filter(thumbnail__isnull=False)}
```
"""
mapping_path = Path(__file__).parent / "image-mapping.json"
image_mapping = json.load(open(mapping_path))
for page_id, thumbnail_id in image_mapping.items():
if not thumbnail_id:
continue

event = Event.objects.filter(page_ptr_id=page_id).first()
if not event:
self.stderr.write(
f"Event page missing for page_id {page_id}",
style_func=self.style.WARNING,
)
continue

thumbnail = Image.objects.filter(pk=thumbnail_id).first()
if not thumbnail:
self.stderr.write(
f"Image ({thumbnail_id=}) missing for page {event.title}({page_id=})",
style_func=self.style.WARNING,
)
continue

if event.feed_image is None:
event.feed_image = thumbnail
self.stdout.write(
f"Page {event.title}({page_id=}) updated with feed image {thumbnail.title}({thumbnail_id})",
style_func=self.style.SUCCESS,
)

if event.image is None:
event.image = thumbnail
self.stdout.write(
f"Page {event.title}({page_id=}) updated with hero image {thumbnail.title}({thumbnail_id})",
style_func=self.style.SUCCESS,
)

event.save()

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