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index.js
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/*
* Copyright 2017 Joachim Bakke
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
const Bacon = require("baconjs")
const util = require("util")
const utilSK = require("@signalk/nmea0183-utilities")
const express = require("express")
const _ = require("lodash")
const Database = require("better-sqlite3")
const uuidv4 = require("uuid/v4")
const parse = require("csv-parse")
const fs = require("fs")
const path = require("path")
var db, json
var pushInterval
var vmg, rot, stw, awa, twa, aws, tws, eng, sog, cog, tack
var engineRunning = true
var engineSKPath = ""
var rateOfTurnLimit
var twsInterval //Wind speed +-x m/s
var twaInterval //Wind angle +-x radians
var stableCourse = false
var trimPolars = false //not implemented, can't see how...
var vmgTimeSeconds = (rotTimeSeconds = stwTimeSeconds = twaTimeSeconds = twsTimeSeconds = vmgTimeSeconds = awaTimeSeconds = awsTimeSeconds = engTimeSeconds = cogTimeSeconds = sogTimeSeconds = 0)
var lastStored = 1
var storeRecord
var secondsSincePush = 100
var mainPolarUuid
var mainwindData
var polarName
var polarDescription
var twaInterval, windSpeedIndex, windAngleIndex
var twsInterval
var maxWind
var allPolars, polarList
var polarArray = []
var polarObject = {} //move polarArray over here
var stmt
var csvList = ["ignore"]
const keyPaths = [
"performance.velocityMadeGood", // if empty, populate from this plugin
"navigation.rateOfTurn", // if above threshold, vessel is turning and no data is stored
"navigation.speedThroughWater",
"environment.wind.angleApparent",
"environment.wind.speedApparent",
"navigation.courseOverGroundTrue",
"navigation.speedOverGround"
]
const maxInterval = 2 //max interval in seconds between updates for all keyPaths to avoid updating on stale data
var plugin = {}
plugin.id = "signalk-polar"
module.exports = function(app, options) {
"use strict"
var client
var selfContext = "vessels." + app.selfId
var userDir = app.config.configPath
var plugin = {}
plugin.id = "signalk-polar"
var unsubscribes = []
var shouldStore = function(path) {
return true
}
function listPolarTables() {
return new Promise((resolve, reject) => {
const polarList = db.prepare("select * from tableUuids").all()
resolve(polarList)
})
}
function deletePolarTable(uuid){
app.debug(`DROP TABLE IF EXISTS '${uuid}'`)
app.debug(`DELETE FROM 'tableUuids' WHERE EXISTS (SELECT * FROM 'tableUuids' WHERE uuid='${uuid}')`)
const info1 = db.prepare(`DROP TABLE IF EXISTS '${uuid}'`).run()
const info2 = db.prepare(`DELETE FROM 'tableUuids' WHERE EXISTS (SELECT * FROM 'tableUuids' WHERE uuid='${uuid}')`).run()
polarList = _.remove(polarList, function(n) {
return n.uuid == uuid
})
return{info1, info2}
}
function getPolarTable(uuid) {
var windspeed,
windSpeedArray,
windangle,
tableName,
uuid,
description,
response,
info,
query
function getTableInfo(uuid) {
return new Promise((resolve, reject) => {
var query = `SELECT * FROM 'tableUuids' WHERE uuid = ?`
const queryLine = db.prepare(query)
const table = queryLine.get(uuid)
resolve(table)
})
}
var getInfo = async uuid => {
info = await getTableInfo(uuid)
tableName = info.name
description = info.description
response = {
[uuid]: {
id: uuid,
name: tableName,
$description: description,
source: {
label: plugin.id
},
windData: []
}
}
//app.debug(JSON.stringify(response))
return response
}
function getWindSpeedArray(uuid) {
return options.entered //@TODO options out of scope
}
/*{
return new Promise((resolve, reject) => {
var query = `SELECT DISTINCT ROUND(environmentWindSpeedTrue+0.01, 2) AS windspeed from '${uuid}' ORDER BY windSpeed ASC`
app.debug(query)
const tables = db.prepare(query).all()//@TODO this does not return anything
app.debug("tables: " + util.inspect(tables))
var windSpeeds = []
tables.forEach(speed => {
app.debug("wind speed inside loop: " + speed.windspeed)
windSpeeds.push(speed.windspeed)
})
resolve(windSpeeds)
})
}*/
function getWindAngleArray(uuid, wsp, wspLow) {
return new Promise((resolve, reject) => {
var query = `SELECT environmentWindAngleTrueGround AS angles from '${uuid}' WHERE environmentWindSpeedTrue < ${wsp} AND environmentWindSpeedTrue > ${wspLow} ORDER BY angles ASC`
app.debug(query)
const queryLine = db.prepare(query)
const tables = queryLine.all()//@TODO this does not work
var windAngles = []
tables.forEach(angle => {
windAngles.push(angle.angles)
})
app.debug("windangles: " + windAngles)
resolve(windAngles)
})
}
function getPerf(uuid, wsp, wspLow) {
var perfPromises = []
query =
`SELECT environmentWindAngleTrueGround, navigationSpeedThroughWater FROM '` +
uuid +
`' WHERE environmentWindSpeedTrue < ` +
wsp +
` AND environmentWindSpeedTrue > ` +
wspLow +
` AND environmentWindAngleTrueGround < ` +
Math.PI +
` AND environmentWindAngleTrueGround > 0 ORDER BY performanceVelocityMadeGood DESC LIMIT 1`
//app.debug(query)
perfPromises.push(db.prepare(query).get())
query =
`SELECT environmentWindAngleTrueGround, navigationSpeedThroughWater FROM '` +
uuid +
`' WHERE environmentWindSpeedTrue < ` +
wsp +
` AND environmentWindSpeedTrue > ` +
wspLow +
` AND environmentWindAngleTrueGround < 0 AND environmentWindAngleTrueGround > ` +
-Math.PI +
` ORDER BY performanceVelocityMadeGood DESC LIMIT 1`
perfPromises.push(db.prepare(query).get())
query =
`SELECT environmentWindAngleTrueGround, navigationSpeedThroughWater FROM '` +
uuid +
`' WHERE environmentWindSpeedTrue < ` +
wsp +
` AND environmentWindSpeedTrue > ` +
wspLow +
` AND environmentWindAngleTrueGround < ` +
Math.PI +
` AND environmentWindAngleTrueGround > 0 ORDER BY performanceVelocityMadeGood ASC LIMIT 1`
perfPromises.push(db.prepare(query).get())
query =
`SELECT environmentWindAngleTrueGround, navigationSpeedThroughWater FROM '` +
uuid +
`' WHERE environmentWindSpeedTrue < ` +
wsp +
` AND environmentWindSpeedTrue > ` +
wspLow +
` AND environmentWindAngleTrueGround < 0 AND environmentWindAngleTrueGround > ` +
-Math.PI +
` ORDER BY performanceVelocityMadeGood ASC LIMIT 1`
perfPromises.push(db.prepare(query).get())
var p = Promise.all(perfPromises).catch(error =>
console.log(`Error in getPerf: ${error}`)
)
return p
}
var windData
const speedLoop = async uuid => {
response = await getInfo(uuid)
var windSpeedArray
if (uuid == mainPolarUuid) {
windSpeedArray = []
for (var windspeed = twsInterval;windspeed < maxWind+twsInterval;windspeed += twsInterval) {
windSpeedArray.push(windspeed)
}
} else {
windSpeedArray = await getWindSpeedArray(uuid)
}
let windPromises = []
windSpeedArray.forEach(function(element, index, array) {
let wsp = element
var wspLow
index >= 1 ? (wspLow = array[index - 1]) : (wspLow = 0)
windData = []
const angleLoop = async wsp => {
let anglePromises = []
var data = await getPerf(uuid, wsp, wspLow).then(values => {
var data = {
trueWindSpeed: wsp,
optimalBeats: [],
optimalGybes: [],
angleData: [],
polarSpeeds: [],
velocitiesMadeGood: []
}
//app.debug(JSON.stringify(values))
if (
values[0] !== null &&
values[0] != "null" &&
values[0] !== undefined &&
values[0] != "undefined"
) {
var value = JSON.parse(JSON.stringify(values[0]))
data.optimalBeats.push([value.environmentWindAngleTrueGround,value.navigationSpeedThroughWater])
}
if (
values[1] !== null &&
values[1] != "null" &&
values[1] !== undefined &&
values[1] != "undefined"
) {
var value = JSON.parse(JSON.stringify(values[1]))
data.optimalBeats.push([value.environmentWindAngleTrueGround,value.navigationSpeedThroughWater])
}
if (
values[2] !== null &&
values[2] != "null" &&
values[2] !== undefined &&
values[2] != "undefined"
) {
var value = JSON.parse(JSON.stringify(values[2]))
data.optimalGybes.push([value.environmentWindAngleTrueGround,value.navigationSpeedThroughWater])
}
if (
values[3] !== null &&
values[3] != "null" &&
values[3] !== undefined &&
values[3] != "undefined"
) {
var value = JSON.parse(JSON.stringify(values[3]))
data.optimalGybes.push([value.environmentWindAngleTrueGround,value.navigationSpeedThroughWater])
}
//app.debug("getPerfAsync: ", JSON.stringify(data))
return data
})
var windAngleArray = []
if (uuid == mainPolarUuid) {
//If at the dynamic polar, we still want to produce polars with angles to set interval
for (var angle = -Math.PI; angle < Math.PI; angle += twaInterval) {
//app.debug(wsp + " m/s, angle: " + angle)
windAngleArray.push(angle)
}
} else {
var windAngleArray = await getWindAngleArray(uuid, wsp, wspLow)
}
windAngleArray.forEach(function(angle, index, array) {
data.angleData.push([angle])
var angleHigh = angle + twaInterval * 0.5
var angleLow = angle - twaInterval * 0.5
//wspLow = wsp - twsInterval
var query =
`SELECT performanceVelocityMadeGood AS vmg, navigationSpeedThroughWater AS speed FROM '` +
uuid +
`' WHERE environmentWindSpeedTrue < ` +
wsp +
` AND environmentWindSpeedTrue > ` +
wspLow +
` AND environmentWindAngleTrueGround < ` +
angleHigh +
` AND environmentWindAngleTrueGround > ` +
angleLow +
` ORDER BY navigationSpeedThroughWater DESC`
//app.debug(query)
anglePromises.push(db.prepare(query).get())
//}
})
//app.debug(util.inspect(anglePromises))
const results = await Promise.all(anglePromises)
//app.debug(JSON.stringify(results))
results.forEach(angleFunction)
function angleFunction(result, index) {
if (result != undefined) {
result.speed
? data.angleData[index].push(result.speed)
: data.angleData[index].push(null)
result.vmg
? data.angleData[index].push(result.vmg)
: data.angleData[index].push(null)
} else {
data.angleData[index].push(null,null)
}
}
windData = data
return windData
}
windPromises.push(angleLoop(wsp))
})
const windResults = await Promise.all(windPromises)
//app.debug("windPromises: " + JSON.stringify(windResults))
windResults.forEach(windFunction)
function windFunction(windData, index) {
//app.debug(JSON.stringify(response))
response[uuid].windData.push(windData)
}
function countNonEmpty(array) {
return array.filter(Boolean).length
}
function trimPolar() {
var trimmedPolar = []
response[uuid].windData.forEach(data => {
var arraysToCheck = [
data.optimalBeats,
data.optimalGybes,
data.beatSpeeds,
data.gybeSpeeds,
data.polarSpeeds,
data.velocitiesMadeGood
]
var arrayNum = 6
arraysToCheck.forEach(x => {
if (countNonEmpty(x) <= 0) {
arrayNum -= 1
}
})
if (arrayNum != 0) {
trimmedPolar.push(data)
}
})
//app.debug("trim polar finished")
return trimmedPolar
}
if (false) {
//Not implemented, would mess with dynamic comparisons
var trimmedPolar = trimPolar()
response[uuid].windData = trimmedPolar
}
return response
}
return new Promise((resolve, reject) => {
var res = speedLoop(uuid)
resolve(res)
})
}
function handleDelta(delta, options) {
if (delta.updates && delta.context === selfContext) {
delta.updates.forEach(update => {
//app.debug('update: ' + util.inspect(update))
if (
update.values &&
typeof update.$source != "undefined" &&
update.$source != "signalk-polar"
) {
var points = update.values.reduce((acc, pathValue, options) => {
//app.debug('found ' + pathValue.path)
if (typeof pathValue.value === "number" && engineSKPath != "doNotStore") {
//propulsion.*.state is not number!
var storeIt = shouldStore(pathValue.path)
if (storeIt) {
app.debug(update.timestamp + " " + pathValue.path + " " + pathValue.value)
if (pathValue.path == "navigation.rateOfTurn") {
var rotTime = new Date(update.timestamp)
rotTimeSeconds = rotTime.getTime() / 1000 //need to convert to seconds for comparison
rot = pathValue.value
}
if (pathValue.path == "navigation.speedThroughWater") {
var stwTime = new Date(update.timestamp)
stwTimeSeconds = stwTime.getTime() / 1000
stw = pathValue.value
}
if (pathValue.path == "environment.wind.angleApparent") {
var awaTime = new Date(update.timestamp)
awaTimeSeconds = awaTime.getTime() / 1000
awa = pathValue.value
}
if (pathValue.path == "environment.wind.angleTrueGround") {
twa = pathValue.value
var twaTime = new Date(update.timestamp)
twaTimeSeconds = twaTime.getTime() / 1000
}
if (pathValue.path == "environment.wind.speedApparent") {
var awsTime = new Date(update.timestamp)
awsTimeSeconds = awsTime.getTime() / 1000
aws = pathValue.value
}
if (pathValue.path == "environment.wind.speedTrue") {
tws = pathValue.value
var twsTime = new Date(update.timestamp)
twsTimeSeconds = twsTime.getTime() / 1000
}
if (pathValue.path == "navigation.courseOverGroundTrue") {
var cogTime = new Date(update.timestamp)
cogTimeSeconds = cogTime.getTime() / 1000
cog = pathValue.value
}
if (pathValue.path == "navigation.speedOverGround") {
var sogTime = new Date(update.timestamp)
sogTimeSeconds = sogTime.getTime() / 1000
sog = pathValue.value
}
if (pathValue.path == "performance.velocityMadeGood") {
vmg = pathValue.value
var vmgTime = new Date(update.timestamp)
vmgTimeSeconds = vmgTime.getTime() / 1000
}
var engTime
if (
engineSKPath != "AlwaysOff" &&
engineSKPath != "doNotStore"
) {
if (pathValue.path == engineSKPath) {
engTime = new Date(update.timestamp)
engTimeSeconds = engTime.getTime() / 1000
eng = pathValue.value
}
} else {
engTime = new Date(update.timestamp) //take the last timestamp
engTimeSeconds = engTime.getTime() / 1000
}
//app.debug("times: " /*+ rotTimeSeconds + " "*/ + stwTimeSeconds + " " + awaTimeSeconds + " " + engTimeSeconds)
//app.debug("rot: " +rot + " stw: " + stw + " awa: " + awa+ " eng: " + eng)
var timeMax = Math.max(
/*rotTimeSeconds,*/ stwTimeSeconds,
awaTimeSeconds,
awsTimeSeconds,
cogTimeSeconds
)
var timeMin = Math.min(
/*rotTimeSeconds,*/ stwTimeSeconds,
awaTimeSeconds,
awsTimeSeconds,
cogTimeSeconds
)
var timediff = timeMax - timeMin //check that values are fairly concurrent
//app.debug("time diff " + timediff)
if (engineSKPath.indexOf(".state") > -1 &&(eng != "[object Object]" && eng == "started")) {
engineRunning = true
} else if (engineSKPath.indexOf(".revolutions") > -1 && eng >= 1) {
//RPM
engineRunning = true
} else if (engineSKPath == "doNotStore") {
engineRunning = true
} else {
engineRunning = false
}
//app.debug("engine running? " + engineRunning)
if (Math.abs(rot * 3437) < rateOfTurnLimit) {
stableCourse = false
} else {
stableCourse = true //also if no Rate of Turn available
}
//app.debug("stable course? " + stableCourse +" "+ Math.abs(rot*3437) + " deg/min compared to " + rateOfTurnLimit)
app.debug("timediff " + timediff + " , engine running? " + engineRunning + " stable? " + stableCourse + " last store " + lastStored)
if (timediff < maxInterval && !engineRunning && stableCourse && lastStored < timeMax - 1) {
app.debug("sailing")
if (timeMax - twsTimeSeconds > 1) {
//app.debug("finding tws")
tws = getTrueWindSpeed(stw, aws, awa)
//twsTimeSeconds = new Date()/ 1000
}
if (timeMax - twaTimeSeconds > 1) {
//app.debug("finding twa")
twa = getTrueWindAngle(stw, tws, aws, awa)
//twaTimeSeconds = new Date()/ 1000
}
if (timeMax - vmgTimeSeconds > 1) {
//app.debug("finding vmg of " + stw + " and " + twa)
vmg = getVelocityMadeGood(stw, twa)
//vmgTimeSeconds = new Date()/ 1000
}
//app.debug(secondsSincePush, timeMax)
if (secondsSincePush < timeMax - 1) {
//app.debug("time to push")
pushDelta(app, "environment.wind.speedTrue", tws)
pushDelta(app, "environment.wind.angleTrueWater", twa)
pushDelta(app, "performance.velocityMadeGood", vmg)
secondsSincePush = timeMax
}
//tack is implicit in wind angle, no need to check (or store)
windSpeedIndex = Math.ceil(tws / twsInterval) - 1
//app.debug(windSpeedIndex + " as index for tws: " + tws)
windAngleIndex = Math.round((Math.PI + twa) / twaInterval)
//app.debug(windAngleIndex + " as index for twa: " + twa)
var storedSpeed = mainwindData[windSpeedIndex].polarSpeeds[windAngleIndex]
app.debug(typeof(storedSpeed), storedSpeed + " as stored speed")
if (storedSpeed === null) {
app.debug("nothing stored, should store")
storeRecord = true
} else if (storedSpeed < stw) {
app.debug("stored " + storedSpeed + " > actual " + stw + " , storing!")
storeRecord = true
} else {
app.debug("stored " + storedSpeed + " < actual " + stw + " , nothing to do here!")
storeRecord = false
}
var timeMaxIso = new Date(timeMax * 1000).toISOString()
twa < 0 ? (tack = "starboard") : (tack = "port")
if (storeRecord == true) {
stmt = db.prepare(
`INSERT INTO '${mainPolarUuid}'(timestamp, environmentWindSpeedApparent, environmentWindSpeedTrue, environmentWindAngleApparent, environmentWindAngleTrueGround, navigationSpeedThroughWater, performanceVelocityMadeGood, tack)VALUES ('${timeMaxIso}', ${aws}, ${tws}, ${awa}, ${twa}, ${stw}, ${vmg}, '${tack}' )`
)
var info = stmt.run()
app.debug(info.changes + " changes to db")
mainwindData[windSpeedIndex].polarSpeeds[windAngleIndex] = stw
mainwindData[windSpeedIndex].velocitiesMadeGood[windAngleIndex] = vmg
storeRecord = false
}
}
} else {
app.debug('storeit false for ' + pathValue.path)
}
}
return acc
}, [])
}
})
}
}
return {
id: "signalk-polar",
name: "Polar storage and retrieval",
description:
"Signal K server plugin that stores and retrieves polar data from sqlite3 database",
uiSchema: {
mainPolarUuid: { "ui:widget": "hidden" },
entered: {
items: {
polarUuid: { "ui:widget": "hidden" },
csvTable: { "ui:widget": "textarea" },
jsonFormat: { "ui:widget": "hidden" }
}
}
},
schema: {
type: "object",
title:
"A Signal K (node) plugin to maintain polar diagrams in a sqlite3 database",
description: "",
required: ["engine", "sqliteFile"],
properties: {
engine: {
type: "string",
title:
"How is engine status monitored - stores to polar only when engine off",
default: "doNotStore",
enum: [
"alwaysOff",
"propulsion.*.revolutions",
"propulsion.*.state",
"doNotStore"
],
enumNames: [
"assume engine always off",
"propulsion.*.revolutions > 0",
"propulsion.*.state is not 'started'",
"do not store dynamic polar"
]
},
additional_info: {
type: "string",
title:
"replace * in 'propulsion.*.revolutions' or 'propulsion.*.state' with [ ]"
},
sqliteFile: {
type: "string",
title: "File for storing sqlite3 data, ",
default: "polarDatabase.db"
},
polarName: {
type: "string",
title: "Name of the polar diagram",
default: "dynamicPolar"
},
polarDescription: {
type: "string",
title: "Description of the polar diagram",
default: "Dynamic polar diagram from actual sailing"
},
mainPolarUuid: {
type: "string",
title: "Main polar UUID"
},
angleResolution: {
type: "number",
title: "angle resolution in degrees",
default: 1
},
twsInterval: {
type: "number",
title: "wind speed resolution in m/s",
default: 4
},
maxWind: {
type: "number",
title: "max wind speed to record/display, in m/s",
default: 15
},
rateOfTurnLimit: {
type: "number",
title:
"Store in database if rate of turn is unavailable or less than [ ] deg/min (inertia gives false reading while turning vessel)",
default: 5
},
entered: {
type: "array",
title: "User input polars",
items: {
title: "",
type: "object",
properties: {
mirror: {
type: "boolean",
title: "Mirror polar port and stbd?",
default: true
},
polarName: {
type: "string",
title: "Name of polar ('design', 'lastYear' etc)",
default: "Design"
},
description: {
type: "string",
title: "further description of the polar"
},
polarUuid: {
type: "string",
title: "UUID of polar"
},
angleUnit: {
type: "string",
title: "Unit for wind angle",
default: "deg",
enum: ["rad", "deg"],
enumNames: ["Radians", "Degrees"]
},
windSpeedUnit: {
type: "string",
title: "Unit for wind speed",
default: "knots",
enum: ["knots", "ms", "kph", "mph"],
enumNames: ["Knots", "m/s", "km/h", "mph"]
},
boatSpeedUnit: {
type: "string",
title: "Unit for boat speed",
default: "knots",
enum: ["knots", "ms", "kph", "mph"],
enumNames: ["Knots", "m/s", "km/h", "mph"]
},
csvPreset: {
type: "string",
title: "Preset polars from https://github.com/seandepagnier/weather_routing_pi (server restart...?)",
default: "ignore",
enum: csvList,
enumNames: csvList
},
csvTable: {
type: "string",
title:
"OR enter csv with polar in http://jieter.github.io/orc-data/site/ style"
},
jsonFormat: {
type: "string",
title: "polar table as JSON string"
}
}
}
}
}
},
start: function(options) {
app.debug('started plugin')
var csvFolder = path.join(userDir, '/node_modules/', plugin.id, '/seandepagnier')
if (!fs.existsSync(csvFolder)) {
fs.mkdirSync(csvFolder)
}
fs.readdirSync(csvFolder).forEach(file => {
if (file != 'Example'){
csvList.push(file)
}
})
//app.debug(csvList)
twaInterval = options.angleResolution * Math.PI / 180
twsInterval = options.twsInterval
secondsSincePush = 10
app.debug("twsInterval: " + twsInterval)
polarDescription = options.polarDescription
maxWind = options.maxWind
if (options.mainPolarUuid) {
mainPolarUuid = options.mainPolarUuid
app.debug("Polar uuid exists: " + mainPolarUuid, typeof mainPolarUuid)
} else {
mainPolarUuid = uuidv4()
options.mainPolarUuid = mainPolarUuid
app.debug("Polar uuid does not exist, creating " + mainPolarUuid)
app.savePluginOptions(options, function(err, result) {
if (err) {
console.log(err)
}
})
}
const dbFile = path.join(app.getDataDirPath(), options.sqliteFile)
db = new Database(dbFile, { timeout: 10000})
polarName = options.polarName.replace(/ /gi, "_")
app.debug("polar name is " + polarName)
var create
create = db
.prepare(
`CREATE TABLE IF NOT EXISTS tableUuids (uuid TEXT UNIQUE NOT NULL, name TEXT, description TEXT)`
)
.run()
create = db
.prepare(
`CREATE TABLE IF NOT EXISTS '${mainPolarUuid}' (timestamp TEXT, environmentWindSpeedApparent DOUBLE DEFAULT NULL, environmentWindSpeedTrue DOUBLE DEFAULT NULL, environmentWindAngleApparent DOUBLE DEFAULT NULL, environmentWindAngleTrueGround DOUBLE DEFAULT NULL, navigationSpeedThroughWater DOUBLE DEFAULT NULL, performanceVelocityMadeGood DOUBLE DEFAULT NULL, tack TEXT, navigationRateOfTurn DOUBLE DEFAULT NULL)`
)
.run()
db
.prepare(
"INSERT OR REPLACE INTO tableUuids (`uuid`, `name`, `description`) VALUES( ?,?,?)"
)
.run([mainPolarUuid, polarName, polarDescription])
db
.prepare(
`CREATE INDEX IF NOT EXISTS main_wst ON '${mainPolarUuid}' (environmentWindSpeedTrue)`
)
.run()
db
.prepare(
`CREATE INDEX IF NOT EXISTS main_watg ON '${mainPolarUuid}' (environmentWindAngleTrueGround)`
)
.run()
if (options.entered && options.entered.length > 0) {
var counter = 0
options.entered.forEach(table => {
var tableName = table.polarName.replace(/ /gi, "_")
var tableUuid
if (table.polarUuid) {
tableUuid = table.polarUuid
//app.debug("Polar uuid exists: '" + tableUuid + "'", typeof(tableUuid))
} else {
tableUuid = uuidv4()
options.entered[counter].polarUuid = tableUuid
//app.debug("Polar uuid does not exist, creating '" + tableUuid + "'")
app.savePluginOptions(options, function(err, result) {
if (err) {
console.log(err)
}
})
}
var description
if (table.description) {
description = table.description
} else {
description = ''
}
app.debug("polar name is " + tableName)
create = db.prepare(`DROP TABLE IF EXISTS '${tableUuid}'`).run()
db
.prepare(
`CREATE TABLE IF NOT EXISTS '${tableUuid}' (environmentWindSpeedTrue DOUBLE DEFAULT NULL, environmentWindAngleTrueGround DOUBLE DEFAULT NULL, navigationSpeedThroughWater DOUBLE DEFAULT NULL, performanceVelocityMadeGood DOUBLE DEFAULT NULL)`
)
.run()
db
.prepare(
"INSERT OR REPLACE INTO tableUuids (`uuid`, `name`, `description`) VALUES( ?,?,?)"
)
.run([tableUuid, tableName, table.description])
db
.prepare(
`CREATE INDEX IF NOT EXISTS ${tableName}_wst ON '${tableUuid}' (environmentWindSpeedTrue)`
)
.run()
db
.prepare(
`CREATE INDEX IF NOT EXISTS ${tableName}_watg ON '${tableUuid}' (environmentWindAngleTrueGround)`
)
.run()
var output = []
var delimiter, lineBreak, csvTable
if(!table.csvTable && table.csvPreset && table.csvPreset != "ignore"){
console.log(table.csvPreset)
var extension = path.extname(table.csvPreset)
//app.debug("extension: " + extension)
var data = fs.readFileSync(path.join(userDir, '/node_modules/', plugin.id, '/seandepagnier/', table.csvPreset), 'utf8', function (err, data) {
if (err) {
console.log(err);
process.exit(1);
}
})
var csvStrBack
if (extension == '.txt'){
csvStrBack = data.split('\n').slice(1).join('\n')
}
else if (extension == '.pol'){
csvStrBack = data
} else {
}
console.log(csvStrBack)
var csvStr = csvStrBack.replace(/\\/g, '/')
console.log(csvStr)
if (extension == '.csv'){
var csvTab = csvStrBack.trim().replace(/\°/g, '')
csvTable = csvTab.replace(/( [\r,\n]+)|(;\D*\n)|(;\D*[\r,\n]+)/g, '\r\n')
}
else {
csvTable = csvStr.trim().replace(/(\t+|\t| |\t\t| )(?!\n| \n|$)/g, ";")
}
//app.debug(csvTable)
options.entered[counter].csvTable = csvTable
app.savePluginOptions(options, function(err, result) {
if (err) {
console.log(err)
}
})
}
else {
csvTable = table.csvTable
}
delimiter = ";"
var windData = []
parse(csvTable, {
trim: true,
skip_empty_lines: true,
delimiter: delimiter,
record_delimiter: lineBreak
}).on("readable", function() {
let record
while ((record = this.read())) {
output.push(record)
}
//app.debug(JSON.stringify(output))
var windSpeeds = []
var windSpeed
var angleData = []
output[0].forEach(listSpeeds)
function listSpeeds(item, index) {
if (index > 0) {
//first is "twa/tws"
//@TODO reading line by line, how to combine by wind speed?
var windSpeedItem = utilSK.transform(item,table.windSpeedUnit,"ms")
windSpeeds.push(Number(windSpeedItem))
}
}
//app.debug("windspeeds: " + JSON.stringify(windSpeeds))
output.forEach(storeSpeeds)
function storeSpeeds(item, index) {
if (index > 0) {
//first row is header, and already parsed
var itemAngle = utilSK.transform(Number(item[0]),table.angleUnit,"rad")
//app.debug("itemAngle: " +itemAngle)
item.forEach(storeSpeed)
function storeSpeed(speedItem, index) {
if (!angleData[index]){
angleData[index] = []
}
var speed = utilSK.transform(speedItem,table.boatSpeedUnit, "ms" )
if (index > 0 && speedItem > 0) {
//first item is angle, already parsed
var vmg = getVelocityMadeGood(speed, itemAngle)
windSpeed = windSpeeds[index-1]
//app.debug(`INSERT INTO '${tableUuid} '(environmentWindSpeedTrue, environmentWindAngleTrueGround, navigationSpeedThroughWater, performanceVelocityMadeGood ) VALUES (${windSpeeds[index-1]}, ${itemAngle}, ${speed}, ${vmg})`)
db.prepare(
`INSERT INTO '${tableUuid}'(environmentWindSpeedTrue, environmentWindAngleTrueGround, navigationSpeedThroughWater, performanceVelocityMadeGood ) VALUES (${windSpeed}, 0, 0, 0)`
)
.run()
db.prepare(
`INSERT INTO '${tableUuid}'(environmentWindSpeedTrue, environmentWindAngleTrueGround, navigationSpeedThroughWater, performanceVelocityMadeGood ) VALUES (${windSpeed}, ${itemAngle}, ${speed}, ${vmg})`
)
.run()
angleData[index].push([itemAngle, speed, vmg])
//console.log(index + ' : ' + util.inspect(angleData[index]))
if(table.mirror){
db.prepare(
`INSERT INTO '${tableUuid}'(environmentWindSpeedTrue, environmentWindAngleTrueGround, navigationSpeedThroughWater, performanceVelocityMadeGood ) VALUES (${windSpeed}, ${-itemAngle}, ${speed}, ${vmg})`
)
.run()
angleData[index].push([-itemAngle, speed, vmg])
}
//app.debug("windspeed: " + windSpeeds[index-1] + " angle: " + itemAngle + " boatspeed: " + speed)
}
}
}
}
windSpeeds.forEach(pushWindData)
function pushWindData(wind, index){
windData.push({
"trueWindSpeed": windSpeeds[index],
"angleData": angleData[index]
})
}
var jsonFormat = {
[tableUuid]: {
"id": tableUuid,
"name": tableName,
"description": description,
"source": {
"label": "signalk-polar"
},
"windData": windData
}
}
options.entered[counter-1].jsonFormat = jsonFormat
app.savePluginOptions(options, function(err, result) {
if (err) {
console.log(err)
} else {
console.log(result)
}
})
})
counter += 1
})
}