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bgneal@285
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1 """
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bgneal@285
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2 Views for the oembed application.
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bgneal@679
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3
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bgneal@285
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4 """
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bgneal@679
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5 import json
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bgneal@285
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6 import re
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bgneal@285
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7
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bgneal@285
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8 from django.http import HttpResponse
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bgneal@285
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9 from django.http import HttpResponseBadRequest
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bgneal@285
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10 from django.http import HttpResponseForbidden
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bgneal@361
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11 from django.conf import settings
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bgneal@285
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12
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bgneal@285
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13 from oembed.models import Provider
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bgneal@285
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14 from oembed.models import Oembed
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bgneal@285
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15 from oembed.core import get_oembed
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bgneal@285
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16
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bgneal@285
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17
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bgneal@285
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18 def fetch_media(request):
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bgneal@285
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19 """
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bgneal@286
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20 This view returns the HTML media of an embeddable resource as
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bgneal@286
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21 JSON. This view is the target of an AJAX request.
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bgneal@285
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22 """
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bgneal@285
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23 if not request.user.is_authenticated():
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bgneal@285
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24 return HttpResponseForbidden('Please login or register.')
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bgneal@285
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25
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bgneal@285
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26 url = request.POST.get('q')
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bgneal@285
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27
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bgneal@285
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28 if not url:
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bgneal@285
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29 return HttpResponseBadRequest('Please provide a valid URL.')
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bgneal@285
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30
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bgneal@285
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31 # Is this already in our database?
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bgneal@285
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32 try:
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bgneal@285
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33 oembed = Oembed.objects.get(url=url)
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bgneal@285
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34 except Oembed.DoesNotExist:
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bgneal@285
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35 pass
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bgneal@285
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36 else:
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bgneal@285
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37 data = dict(id=oembed.id, embed=oembed.html)
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bgneal@285
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38 return HttpResponse(json.dumps(data), content_type='application/json')
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bgneal@285
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39
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bgneal@285
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40 # It isn't in the database, try to find it from our providers
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bgneal@285
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41 providers = Provider.objects.all()
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bgneal@285
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42 for provider in providers:
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bgneal@285
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43 if re.match(provider.url_regex, url):
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bgneal@285
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44 try:
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bgneal@361
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45 data = get_oembed(provider.api_endpoint,
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bgneal@907
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46 url,
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bgneal@907
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47 maxwidth=settings.OEMBED_MAXWIDTH,
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bgneal@907
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48 maxheight=settings.OEMBED_MAXHEIGHT,
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bgneal@907
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49 scheme='https')
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bgneal@285
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50 except IOError, e:
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bgneal@285
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51 return HttpResponseBadRequest(
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bgneal@285
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52 "Sorry, we could not retrieve your video (%s)" % e)
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bgneal@285
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53
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bgneal@907
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54 if data.get('type') != 'video':
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bgneal@285
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55 return HttpResponseBadRequest(
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bgneal@285
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56 "Hey, this doesn't look like a video..??")
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bgneal@285
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57
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bgneal@285
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58 oembed = Oembed(url=url,
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bgneal@907
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59 type=Oembed.VIDEO,
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bgneal@907
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60 title=data.get('title', ''),
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bgneal@907
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61 width=int(data.get('width', 0)),
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bgneal@907
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62 height=int(data.get('height', 0)),
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bgneal@907
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63 html=data.get('html', ''))
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bgneal@285
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64 oembed.save()
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bgneal@285
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65
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bgneal@285
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66 data = dict(id=oembed.id, embed=oembed.html)
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bgneal@285
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67 return HttpResponse(json.dumps(data),
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bgneal@285
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68 content_type='application/json')
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bgneal@285
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69
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bgneal@287
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70 return HttpResponseBadRequest("Sorry, we couldn't find that video.")
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bgneal@286
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71
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bgneal@286
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72
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bgneal@286
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73 def fetch_saved_media(request):
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bgneal@286
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74 """
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bgneal@286
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75 This view returns the HTML embed information for previously saved Oembed
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bgneal@286
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76 objects as JSON. This view is the target of an AJAX request.
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bgneal@286
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77 """
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bgneal@286
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78 if not request.user.is_authenticated():
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bgneal@286
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79 return HttpResponseForbidden('Please login or register.')
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bgneal@286
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80
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bgneal@286
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81 embed_ids = request.GET.getlist('embeds')
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bgneal@286
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82 if not embed_ids:
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bgneal@286
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83 return HttpResponseBadRequest('Missing embed list.')
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bgneal@286
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84
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bgneal@286
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85 embeds = Oembed.objects.in_bulk(embed_ids)
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bgneal@286
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86
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bgneal@286
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87 # build results in order
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bgneal@286
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88 results = []
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bgneal@286
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89 for pk in embeds:
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bgneal@286
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90 results.append(dict(id=pk, html=embeds[pk].html))
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bgneal@286
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91
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bgneal@286
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92 return HttpResponse(json.dumps(results), content_type='application/json')
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