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ha_mqtt.js
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ha_mqtt.js
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'use strict'
const log = require(`:lib/log`)
const logPrefix = `[HA MQTT]`
const mqtt = require(':lib/mqtt')
const presentInterval = require(`#ha_mqtt.present`)
const measures = require(':lib/measures')
const broadcasterFactory = (target) => {
const broadcaster = {}
broadcaster.stoping = false
broadcaster.presented = {}
const topic = (tag, measure) => {
return `${target.topic}/sensor/${tag.id}/${measure}`
}
const cleanup = (prefix) => {
log.debug(`${logPrefix} Unpresent device measure ${prefix}`)
broadcaster.mqtt.publish(`${prefix}/state`, ``)
broadcaster.mqtt.publish(`${prefix}/attributes`, ``)
broadcaster.mqtt.publish(`${prefix}/config`, ``)
}
const present = (tag) => {
if (!tag || !tag.id) {
return
}
const device = {
ids: `ruuvitag-${tag.id}`,
mf: `Ruuvi Innovations Ltd`,
mdl: `RuuviTag`,
name: `${tag.name}`,
// sw: `${data.dataFormat}`,
}
// console.log(device)
log.debug(`${logPrefix} Search device measures to present for tag ${JSON.stringify(tag)}`)
for (const availableMeasure of measures.all()) {
const prefix = topic(tag, availableMeasure.field)
if (tag.measures[availableMeasure.field] !== undefined) {
const measure = tag.measures[availableMeasure.field]
// const attributes = {
// RuuviTag: tag.id,
// Measure: measure.label,
// }
const entry = {
stat_t: `${prefix}/state`,
json_attr_t: `${prefix}/attributes`,
name: `${tag.name} ${measure.label}`,
unit_of_meas: availableMeasure.unit ? `${availableMeasure.unit}` : ``,
dev_cla: availableMeasure.type ? `${availableMeasure.type}` : undefined,
// expire_after: 1 * target.interval === 0 ? 60 : 2 * target.interval,
uniq_id: `ruuvitag_${tag.id}_${availableMeasure.field}`,
icon: availableMeasure.icon ? `mdi:${availableMeasure.icon}` : undefined,
// battery_level: Math.round(data.battery * 100 / 3200),
device,
}
broadcaster.mqtt.publish(`${prefix}/config`, JSON.stringify(entry))
log.debug(`${logPrefix} Present device measure: ${JSON.stringify(entry)}`)
// broadcaster.mqtt.publish(`${prefix}/attributes`, JSON.stringify(attributes))
} else {
cleanup(prefix)
}
}
}
const unpresent = (tag) => {
for (const availableMeasure of measures.all()) {
const prefix = topic(tag, availableMeasure.field)
cleanup(prefix)
}
}
mqtt.reset(broadcaster)
broadcaster.start = (server) => {
broadcaster.stoping = false
const state = mqtt.start(broadcaster, target, server)
if (state === `connect`) {
for (const tag in target.tags) {
present(target.tags[tag])
}
}
}
broadcaster.stop = async () => {
broadcaster.stoping = true
if (broadcaster.mqtt) {
for (const tag in target.tags) {
unpresent(target.tags[tag])
}
}
await mqtt.stop(broadcaster, target)
broadcaster.stoping = false
return
}
broadcaster.send = (tag) => {
if (broadcaster.stoping) {
return
}
broadcaster.start()
tag.measures = measures.update(tag.measures)
if (broadcaster.presented[tag.id] === undefined) {
broadcaster.presented[tag.id] = Date.now() - presentInterval
}
if (Date.now() - broadcaster.presented[tag.id] >= presentInterval) {
broadcaster.presented[tag.id] = Date.now()
present(target.tags[tag.id])
}
for (const measure of tag.measures) {
const prefix = topic(tag, measure.measure)
broadcaster.mqtt.publish(`${prefix}/state`, `${measure.value}`)
log.debug(`${logPrefix} Publish on topic "${prefix}/state" message: ${measure.value}`)
const attributes = {
RuuviTag: tag.id,
Measure: measure.label,
}
const measureConfig = measures.find(measure.measure)
if (measureConfig) {
attributes.Unit = measureConfig.unit
}
broadcaster.mqtt.publish(`${prefix}/attributes`, JSON.stringify(attributes))
log.debug(`${logPrefix} Publish on topic "${prefix}/attributes" message: ${JSON.stringify(attributes)}`)
}
// console.log(tag)
}
return broadcaster
}
module.exports = broadcasterFactory