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feature: add support to enable/disable track recording via a PUT #72

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feature: add support to enable/disable track recording via a PUT #72

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35 changes: 33 additions & 2 deletions src/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@
* limitations under the License.
*/

const { deltaToPointsConverter, influxClientP, pruneTimestamps } = require('./skToInflux')
const { deltaToPointsConverter, influxClientP, pruneTimestamps, enableRecordTrack } = require('./skToInflux')

import {registerHistoryApiRoute} from './HistoryAPI'

Expand Down Expand Up @@ -381,6 +381,20 @@ module.exports = function (app) {
clearInterval(pruneInterval)
})

sendEnableRecordTrack(app, options.recordTrack)
app.registerPutHandler(
'vessels.self',
'navigation.trackRecordingEnabled.state',
(context, path, value, cb) => {
enableRecordTrack(value ? true : false)
sendEnableRecordTrack(app, value)
return {
state: 'SUCCESS',
statusCode: 200
}
}
)

registerHistoryApiRoute(app, clientP, app.selfId, app.debug)
},
stop: function () {
Expand Down Expand Up @@ -524,4 +538,21 @@ function endTimeExpression(timespanValue, offsetValue) {
let tKey= timespanValue.slice(-1) // timespan Y value
return `now() - ${Math.abs( Number(offsetValue) ) + influxDurationKeys[ tKey ]}`
}
}
}

function sendEnableRecordTrack(app, value)
{
let delta = {
updates: [
{
values: [
{
path: 'navigation.trackRecordingEnabled.state',
value: value ? 1 : 0
}
]
}
]
}
app.handleMessage('signalk-to-influxdb', delta);
}
7 changes: 6 additions & 1 deletion src/skToInflux.js
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@ const { getSourceId } = require('@signalk/signalk-schema')

var lastUpdates = {}
var lastPositionStored = {}
var recordTrackEnabled = false

function addSource(update, tags) {
if (update['$source']) {
Expand All @@ -39,6 +40,7 @@ module.exports = {
storeOthers,
honorDeltaTimestamp = true
) => {
recordTrackEnabled = recordTrack
return delta => {

if (delta.context === 'vessels.self') {
Expand All @@ -55,7 +57,7 @@ module.exports = {
update.values.reduce((acc, pathValue) => {

if (pathValue.path === 'navigation.position') {
if (recordTrack && shouldStorePositionNow(delta, tags.source, time)) {
if (recordTrackEnabled && shouldStorePositionNow(delta, tags.source, time)) {
const point = {
measurement: pathValue.path,
tags: tags,
Expand Down Expand Up @@ -179,6 +181,9 @@ module.exports = {
pruneTimestamps(maxAge) {
clearContextTimestamps(lastUpdates, maxAge)
clearContextTimestamps(lastPositionStored, maxAge)
},
enableRecordTrack(enabled) {
recordTrackEnabled = enabled
}
}

Expand Down