sg101: forums/views/attachments.py annotate

Fix size of NSSR top 101 banner and link it to forum topic.

rev	line source
bgneal@285	1 """
bgneal@285	2 This module contains views for working with post attachments.
bgneal@679	3
bgneal@285	4 """
bgneal@679	5 import json
bgneal@679	6
bgneal@285	7 from django.http import HttpResponse
bgneal@285	8 from django.http import HttpResponseForbidden
bgneal@285	9 from django.http import HttpResponseBadRequest
bgneal@285	10 from django.http import HttpResponseNotFound
bgneal@285	11
bgneal@285	12 from forums.models import Post
bgneal@285	13
bgneal@285	14
bgneal@285	15 def fetch_attachments(request):
bgneal@285	16 """
bgneal@285	17 This view is the target of an AJAX GET request to retrieve the
bgneal@285	18 attachment embed data for a given forum post.
bgneal@285	19
bgneal@285	20 """
bgneal@285	21 if not request.user.is_authenticated():
bgneal@285	22 return HttpResponseForbidden('Please login or register.')
bgneal@285	23
bgneal@285	24 post_id = request.GET.get('pid')
bgneal@285	25 if post_id is None:
bgneal@285	26 return HttpResponseBadRequest('Missing post ID.')
bgneal@285	27
bgneal@285	28 try:
bgneal@285	29 post = Post.objects.get(pk=post_id)
bgneal@285	30 except Post.DoesNotExist:
bgneal@285	31 return HttpResponseNotFound("That post doesn't exist.")
bgneal@286	32
bgneal@285	33 embeds = post.attachments.all().select_related('embed')
bgneal@285	34 data = [{'id': embed.id, 'html': embed.html} for embed in embeds]
bgneal@285	35
bgneal@285	36 return HttpResponse(json.dumps(data), content_type='application/json')
bgneal@285	37

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