def get_movie(request, pk):
"""
function to handle request for a particular movie
GET => uesd to query
POST w/o id, to insert and return inserted value
POST w/ id, to update existing record
:param request: incomming http request
:param pk: primary key of the movie requested
:return:
"""
#check the incomming method
try:
if request.method == "GET":
if pk != '':
_movie = Movie.objects.get(pk=pk).json()
response = HttpResponse(_movie, content_type="application/json")
return response
else:
response = search_movie(request)
return response
raise Movie.MultipleObjectsReturned()
elif request.method == 'POST':
#check if user is authenticated to touch it
#if pk='', insert, else overwrite
if pk == '' and has_perm(request, 'IMDB.create_movie'):
_m = Movie()
elif pk != '' and has_perm(request, 'IMDB.change_movie'):
_m = get_object_or_404(Movie, pk=pk)
else:
raise PermissionDenied()
_m.add_using_json(request.body)
_m.save()
return HttpResponse(_m.json(), content_type="application/json", status=201)
elif request.method == 'DELETE':
if pk != '':
if has_perm(request, 'delete_movie'):
_m = get_object_or_404(Movie, pk=pk)
_m.delete()
return HttpResponse('delete successful', content_type="application/json", status=200)
else:
raise PermissionDenied()
else:
raise Movie.MultipleObjectsReturned()
else:
raise Movie.MultipleObjectsReturned() #avoiding modification to the entire series
except IntegrityError as ie:
return HttpResponseBadRequest("{'status':400,'message':'Bad Request -- Integrity violation:" + ie.message + "'}",
content_type="application/json")
except KeyError as k:
return HttpResponseBadRequest("{'status':400,'message':'Bad Request -- Key violation:" + k.message + "'}",
content_type="application/json")
except Movie.MultipleObjectsReturned as e:
return HttpResponseNotFound(json.dumps({'status': 404, 'message': 'movie not found'}),
content_type="application/json")
except (Movie.DoesNotExist, Http404):
return HttpResponseNotFound(json.dumps({'status': 404, 'message': 'movie not found'}),
content_type="application/json")
except PermissionDenied as p:
return HttpResponseForbidden(json.dumps({'status': 403, 'message': 'Permission Denied{0:s}'.format(p.message)}),
content_type="application/json")
def test_add_movie_using_json_model(self):
f = open('single_movie.json', 'r')
m = Movie()
m.add_using_json(f.read())
m.save()
self.assertEqual(Movie.objects.get(movie_name='three little pigs'),m)
