sg101: forums/views/attachments.py annotate

Prepare to detach V3 post box from GCalendar.

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@1037	12 from forums.models import Attachment
bgneal@285	13 from forums.models import Post
bgneal@285	14
bgneal@285	15
bgneal@285	16 def fetch_attachments(request):
bgneal@285	17 """
bgneal@285	18 This view is the target of an AJAX GET request to retrieve the
bgneal@285	19 attachment embed data for a given forum post.
bgneal@285	20
bgneal@285	21 """
bgneal@285	22 if not request.user.is_authenticated():
bgneal@285	23 return HttpResponseForbidden('Please login or register.')
bgneal@285	24
bgneal@285	25 post_id = request.GET.get('pid')
bgneal@285	26 if post_id is None:
bgneal@285	27 return HttpResponseBadRequest('Missing post ID.')
bgneal@285	28
bgneal@285	29 try:
bgneal@285	30 post = Post.objects.get(pk=post_id)
bgneal@285	31 except Post.DoesNotExist:
bgneal@285	32 return HttpResponseNotFound("That post doesn't exist.")
bgneal@286	33
bgneal@1037	34 attachments = Attachment.objects.filter(post=post).select_related('embed')
bgneal@1037	35 data = [{'id': a.embed.id, 'html': a.embed.html} for a in attachments]
bgneal@285	36
bgneal@285	37 return HttpResponse(json.dumps(data), content_type='application/json')
bgneal@285	38

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