handlers.py 文件源码

def get(self):
        if self.isAuthenticated():
            fromTime = tornado.escape.xhtml_escape(self.get_argument("fromTime", (datetime.datetime.now() - datetime.timedelta(days=2)).strftime('%Y-%m-%d')))
            toTime = tornado.escape.xhtml_escape(self.get_argument("toTime", (datetime.datetime.now() + datetime.timedelta(days=1)).strftime('%Y-%m-%d')))
            aggregation = tornado.escape.xhtml_escape(self.get_argument("aggregation", "minutes"))
            sensors = []
            chartData = []
            chartSensors = []
            showChart = False
            for deviceId, conf in self.iotManager.deviceConfig.items():
                if "values" in conf:
                    for id, varConf in conf["values"].items():
                        parameterName = "{0}.{1}".format(deviceId, id)
                        selected = self.get_argument(parameterName, default=None)
                        sensorObj = SensorFilter(deviceId, conf["name"], id, varConf.get("label", id), varConf.get("type", "number"), selected)
                        sensors.append(sensorObj)
                        if selected:
                            showChart = True
                            chartSensors.append(sensorObj)
            fromTimeParsed = datetime.datetime.strptime(fromTime, '%Y-%m-%d')
            toTimeParsed = datetime.datetime.strptime(toTime, '%Y-%m-%d')
            if showChart:
                self.logger.debug("Showing chart for period {0} - {1} aggregated to {2} for sensors {3}".format(fromTimeParsed, toTimeParsed, aggregation, chartSensors))
                chartData = self.iotManager.database.getChartData(chartSensors, fromTimeParsed, toTimeParsed, aggregation)
                finalChartSensors = []
                for sensor in chartSensors:
                    if not all(sensor.fullId not in record for record in chartData):
                      finalChartSensors.append(sensor)
                chartSensors = finalChartSensors
            self.render("views/history.html", sensors=sensors, fromTime=fromTime, toTime=toTime, aggregation=aggregation, showChart=showChart, chartData=chartData, chartSensors=chartSensors)      
        else:
            self.redirect("/login?"+urllib.urlencode({"returnUrl":self.request.uri}))