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