head.py 文件源码

def session_settings(request: HttpRequest) -> HttpResponse:
    if request.method == 'POST':
        data = json.loads(request.body.decode("utf-8"))
        if 'viewer_parameters' in data:
            if "viewer_parameters" not in request.session:
                request.session["viewer_parameters"] = {}
            for k, v in data.items():
                if not k == 'viewer_parameters':
                    request.session["viewer_parameters"][k] = v
            request.session.modified = True
        return HttpResponse(json.dumps({'result': "ok"}), content_type="application/json; charset=utf-8")
    elif request.method == 'GET':
        data = json.loads(request.body.decode("utf-8"))
        if 'viewer_parameters' in data:
            if "viewer_parameters" not in request.session:
                request.session["viewer_parameters"] = {}
                request.session["viewer_parameters"]["image_width"] = 900
                request.session.modified = True
            return HttpResponse(
                json.dumps(request.session["viewer_parameters"]), content_type="application/json; charset=utf-8"
            )
        return HttpResponse(json.dumps({'result': "error"}), content_type="application/json; charset=utf-8")
    else:
        return HttpResponse(json.dumps({'result': "error"}), content_type="application/json; charset=utf-8")


# TODO: Generalize this script for several providers.