lamassu-server/lib/notifier/email.js
2021-07-23 20:17:31 +01:00

90 lines
2.5 KiB
JavaScript

const _ = require('lodash/fp')
const utils = require('./utils')
const email = require('../email')
const {
PING,
STALE,
LOW_CRYPTO_BALANCE,
HIGH_CRYPTO_BALANCE,
CASH_BOX_FULL,
LOW_CASH_OUT,
SECURITY
} = require('./codes')
function alertSubject (alertRec, config) {
let alerts = []
if (config.balance) {
alerts = _.concat(alerts, alertRec.general)
}
_.forEach(device => {
alerts = _.concat(alerts, utils.deviceAlerts(config, alertRec, device))
}, _.keys(alertRec.devices))
if (alerts.length === 0) return null
const alertTypes = _.flow(_.map('code'), _.uniq, _.map(utils.codeDisplay), _.sortBy(o => o))(alerts)
return '[Lamassu] Errors reported: ' + alertTypes.join(', ')
}
function printEmailAlerts (alertRec, config) {
let body = 'Errors were reported by your Lamassu Machines.\n'
if (config.balance && alertRec.general.length !== 0) {
body += '\nGeneral errors:\n'
body += emailAlerts(alertRec.general) + '\n'
}
_.forEach(device => {
const deviceName = alertRec.deviceNames[device]
body += '\nErrors for ' + deviceName + ':\n'
const alerts = utils.deviceAlerts(config, alertRec, device)
body += emailAlerts(alerts)
}, _.keys(alertRec.devices))
return body
}
function emailAlerts (alerts) {
return _.join('\n', _.map(emailAlert, alerts)) + '\n'
}
function emailAlert (alert) {
switch (alert.code) {
case PING:
if (alert.age) {
const pingAge = utils.formatAge(alert.age, { compact: true, verbose: true })
return `Machine down for ${pingAge}`
}
return 'Machine down for a while.'
case STALE: {
const stuckAge = utils.formatAge(alert.age, { compact: true, verbose: true })
return `Machine is stuck on ${alert.state} screen for ${stuckAge}`
}
case LOW_CRYPTO_BALANCE: {
const balance = utils.formatCurrency(alert.fiatBalance.balance, alert.fiatCode)
return `Low balance in ${alert.cryptoCode} [${balance}]`
}
case HIGH_CRYPTO_BALANCE: {
const highBalance = utils.formatCurrency(
alert.fiatBalance.balance,
alert.fiatCode
)
return `High balance in ${alert.cryptoCode} [${highBalance}]`
}
case CASH_BOX_FULL:
return `Cash box full on ${alert.machineName} [${alert.notes} banknotes]`
case LOW_CASH_OUT:
return `Cassette for ${alert.denomination} ${alert.fiatCode} low [${alert.notes} banknotes]`
case SECURITY:
return `Cashbox removed on ${alert.machineName}`
}
}
const sendMessage = email.sendMessage
module.exports = { alertSubject, printEmailAlerts, sendMessage }