tempestas

commit 37a74914f4cbe39a9f292482f60d2b23fea0cf10
parent aeba88e67eec07f946cbf562b710d3d900ce0c7d
Author: Chris Bracken <chris@bracken.jp>
Date:   Fri, 12 Nov 2021 23:53:19 -0800

Eliminate hardcoded sensors list

We now fetch the sensors and descriptions from the backend.

Diffstat:
M
static/tempestas.js
 | 
24
+++++++++++++++---------

1 file changed, 15 insertions(+), 9 deletions(-)
diff --git a/static/tempestas.js b/static/tempestas.js
@@ -4,11 +4,9 @@
 // The JSON API server base URL.
 const API_SERVER = 'http://minerva'
 
-var sensors = [
-	{id: '8558074',  name: 'Back yard', color: 'rgb(75, 192, 192)'},
-	{id: '10714323', name: 'Master bedroom', color: 'rgb(255, 99, 132)'},
-	{id: '6497060',  name: 'Dining room', color: 'rgb(255, 159, 64)'},
-];
+// TODO: automate colour generation.
+var colors = ['rgb(75, 192, 192)', 'rgb(255, 99, 132)', 'rgb(255, 159, 64)'];
+var sensors = [];
 var charts = [
 	{id: 'chart-temperature', title: 'Temperature (°C)', readingType: 'BME280_temperature'},
 	{id: 'chart-humidity',    title: 'Humidity (%)',     readingType: 'BME280_humidity'},
@@ -16,10 +14,18 @@ var charts = [
 ];
 var sensorReadings = {};
 
-charts.forEach((chart, i) => sensorReadings[chart.id] = {});
-sensors.forEach((sensor, i) => fetchSensorData(sensor.id, charts[0]));
-sensors.forEach((sensor, i) => fetchSensorData(sensor.id, charts[1]));
-sensors.forEach((sensor, i) => fetchSensorData(sensor.id, charts[2]));
+var sensorUrl = API_SERVER + '/sensor/sensors/';
+fetch(sensorUrl)
+  .then((response) => { return response.json(); })
+  .then((data) => {
+    data.forEach((sensor, i) => {
+      sensors.push({id: sensor.sensor_id, name: sensor.name, color: colors[i]});
+    });
+    charts.forEach((chart, i) => sensorReadings[chart.id] = {});
+    sensors.forEach((sensor, i) => fetchSensorData(sensor.id, charts[0]));
+    sensors.forEach((sensor, i) => fetchSensorData(sensor.id, charts[1]));
+    sensors.forEach((sensor, i) => fetchSensorData(sensor.id, charts[2]));
+});
 
 function fetchSensorData(sensorId, chart) {
   var url = API_SERVER + '/sensor/reading/' + sensorId + '/' + chart.readingType;