sg101: gpp/forums/views/attachments.py annotate

Fixing #189; 500 error when deleting forum topic subscription.

rev	line source
bgneal@285	1 """
bgneal@285	2 This module contains views for working with post attachments.
bgneal@285	3 """
bgneal@285	4 from django.http import HttpResponse
bgneal@285	5 from django.http import HttpResponseForbidden
bgneal@285	6 from django.http import HttpResponseBadRequest
bgneal@285	7 from django.http import HttpResponseNotFound
bgneal@285	8 import django.utils.simplejson as json
bgneal@285	9
bgneal@285	10 from forums.models import Post
bgneal@285	11
bgneal@285	12
bgneal@285	13 def fetch_attachments(request):
bgneal@285	14 """
bgneal@285	15 This view is the target of an AJAX GET request to retrieve the
bgneal@285	16 attachment embed data for a given forum post.
bgneal@285	17
bgneal@285	18 """
bgneal@285	19 if not request.user.is_authenticated():
bgneal@285	20 return HttpResponseForbidden('Please login or register.')
bgneal@285	21
bgneal@285	22 post_id = request.GET.get('pid')
bgneal@285	23 if post_id is None:
bgneal@285	24 return HttpResponseBadRequest('Missing post ID.')
bgneal@285	25
bgneal@285	26 try:
bgneal@285	27 post = Post.objects.get(pk=post_id)
bgneal@285	28 except Post.DoesNotExist:
bgneal@285	29 return HttpResponseNotFound("That post doesn't exist.")
bgneal@286	30
bgneal@285	31 embeds = post.attachments.all().select_related('embed')
bgneal@285	32 data = [{'id': embed.id, 'html': embed.html} for embed in embeds]
bgneal@285	33
bgneal@285	34 return HttpResponse(json.dumps(data), content_type='application/json')
bgneal@285	35

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