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comparison oembed/views.py @ 581:ee87ea74d46b

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For Django 1.4, rearranged project structure for new manage.py.
author Brian Neal <bgneal@gmail.com>
date Sat, 05 May 2012 17:10:48 -0500
parents gpp/oembed/views.py@6d6fdc58487c
children 89b240fe9297
comparison
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580:c525f3e0b5d0 581:ee87ea74d46b
1 """
2 Views for the oembed application.
3 """
4 import re
5 import urllib2
6
7 from django.http import HttpResponse
8 from django.http import HttpResponseBadRequest
9 from django.http import HttpResponseForbidden
10 import django.utils.simplejson as json
11 from django.conf import settings
12
13 from oembed.models import Provider
14 from oembed.models import Oembed
15 from oembed.core import get_oembed
16
17
18 def fetch_media(request):
19 """
20 This view returns the HTML media of an embeddable resource as
21 JSON. This view is the target of an AJAX request.
22 """
23 if not request.user.is_authenticated():
24 return HttpResponseForbidden('Please login or register.')
25
26 url = request.POST.get('q')
27
28 if not url:
29 return HttpResponseBadRequest('Please provide a valid URL.')
30
31 # Is this already in our database?
32 try:
33 oembed = Oembed.objects.get(url=url)
34 except Oembed.DoesNotExist:
35 pass
36 else:
37 data = dict(id=oembed.id, embed=oembed.html)
38 return HttpResponse(json.dumps(data), content_type='application/json')
39
40 # It isn't in the database, try to find it from our providers
41 providers = Provider.objects.all()
42 for provider in providers:
43 if re.match(provider.url_regex, url):
44 try:
45 data = get_oembed(provider.api_endpoint,
46 url,
47 maxwidth=settings.OEMBED_MAXWIDTH,
48 maxheight=settings.OEMBED_MAXHEIGHT)
49 except IOError, e:
50 return HttpResponseBadRequest(
51 "Sorry, we could not retrieve your video (%s)" % e)
52
53 if 'type' not in data or data['type'] != 'video':
54 return HttpResponseBadRequest(
55 "Hey, this doesn't look like a video..??")
56
57 oembed = Oembed(url=url,
58 type=Oembed.VIDEO,
59 title=data.get('title', ''),
60 width=int(data.get('width', 0)),
61 height=int(data.get('height', 0)),
62 html=data.get('html', ''))
63 oembed.save()
64
65 data = dict(id=oembed.id, embed=oembed.html)
66 return HttpResponse(json.dumps(data),
67 content_type='application/json')
68
69 return HttpResponseBadRequest("Sorry, we couldn't find that video.")
70
71
72 def fetch_saved_media(request):
73 """
74 This view returns the HTML embed information for previously saved Oembed
75 objects as JSON. This view is the target of an AJAX request.
76 """
77 if not request.user.is_authenticated():
78 return HttpResponseForbidden('Please login or register.')
79
80 embed_ids = request.GET.getlist('embeds')
81 if not embed_ids:
82 return HttpResponseBadRequest('Missing embed list.')
83
84 embeds = Oembed.objects.in_bulk(embed_ids)
85
86 # build results in order
87 results = []
88 for pk in embeds:
89 results.append(dict(id=pk, html=embeds[pk].html))
90
91 return HttpResponse(json.dumps(results), content_type='application/json')