def material_thumbnail(request, object_id):
obj = get_object_or_404(Material, pk=object_id)
if not request.user.is_authenticated() and not obj.is_public:
raise Http403
mimetype = obj.mimetype
filetype = obj.filetype
width = int(request.GET.get('width', 320))
height = int(request.GET.get('height', 240))
if "image" == filetype:
return utils.image_response(Image.open(obj.file), (width, height))
else:
response = HttpResponse(obj.file, mimetype=mimetype)
return response
def material_preview(request, object_id):
qs = Material.objects.all()
obj = get_object_or_404(qs, pk=object_id)
if not request.user.is_authenticated() and not obj.is_public:
raise Http403
if obj.filetype == 'image':
w = settings.STORAGE_PREVIEW_WIDTH
h = settings.STORAGE_PREVIEW_HEIGHT
img = Image.open(obj.file)
if settings.STORAGE_WATERMARK_PATH:
return utils.watermark_response(img, Image.open(settings.STORAGE_WATERMARK_PATH), size=(w, h))
else:
return utils.image_response(img, size=(w, h))
else:
response = HttpResponse(obj.file, mimetype=obj.mimetype)
return response
def material_digest(request, object_id):
PATH = {
'image': r'image/storage/Image.png',
'audio': r'image/storage/Headphone.png',
'archive': r'image/storage/Box.png',
'text': r'image/storage/File.png',
'application': r'image/storage/Software.png',
'unknown': r'image/storage/Question 4.png',
}
SIZE = (172, 129)
obj = get_object_or_404(Material, pk=object_id)
if not request.user.is_authenticated() and not obj.is_public:
raise Http403
filetype = obj.filetype
if filetype == 'image':
img = Image.open(obj.file)
else:
filename = os.path.join(settings.MEDIA_ROOT, PATH[filetype])
img = Image.open(filename)
return utils.image_response(img, SIZE)
