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1.3 KiB
Python

from django.views import View
from django.shortcuts import render
from django.http import JsonResponse
from django.contrib.contenttypes.models import ContentType
import pghistory
def serialize_event(event):
"""Serialize a history event for JSON response"""
return {
'label': event.pgh_label,
'created_at': event.pgh_created_at.isoformat(),
'context': event.pgh_context,
'data': event.pgh_data,
}
class HistoryTimelineView(View):
"""View for displaying object history timeline"""
def get(self, request, content_type_id, object_id):
# Get content type and object
content_type = ContentType.objects.get_for_id(content_type_id)
obj = content_type.get_object_for_this_type(id=object_id)
# Get history events
events = pghistory.models.Event.objects.filter(
pgh_obj_model=content_type.model_class(),
pgh_obj_id=object_id
).order_by('-pgh_created_at')[:25]
context = {
'events': events,
'content_type': content_type,
'object': obj,
}
if request.htmx:
return render(request, "history/partials/history_timeline.html", context)
return JsonResponse({
'history': [serialize_event(e) for e in events]
})