Feat: code refactoring and jest tests

chore: More refactoring

chore: More tests and refactors

fix: Fixed age not getting calculated properly

chore: Implemented mocking in jest

chore: More mock tests

chore: checkStuckScreen tests

lib/notifier/sms.js

@@ -0,0 +1,53 @@
+const _ = require('lodash/fp')
+const utils = require('./utils')
+
+function printSmsAlerts(alertRec, config) {
+  let alerts = []
+
+  if (config.balance) {
+    alerts = _.concat(alerts, alertRec.general)
+  }
+
+  _.keys(alertRec.devices).forEach(function (device) {
+    if (config.balance) {
+      alerts = _.concat(alerts, alertRec.devices[device].balanceAlerts)
+    }
+
+    if (config.errors) {
+      alerts = _.concat(alerts, alertRec.devices[device].deviceAlerts)
+    }
+  })
+
+  if (alerts.length === 0) return null
+
+  const alertsMap = _.groupBy('code', alerts)
+
+  const alertTypes = _.map(entry => {
+    const code = entry[0]
+    const machineNames = _.filter(
+      _.negate(_.isEmpty),
+      _.map('machineName', entry[1])
+    )
+
+    return {
+      codeDisplay: utils.codeDisplay(code),
+      machineNames
+    }
+  }, _.toPairs(alertsMap))
+
+  const mapByCodeDisplay = _.map(it =>
+    _.isEmpty(it.machineNames)
+      ? it.codeDisplay
+      : `${it.codeDisplay} (${it.machineNames.join(', ')})`
+  )
+
+  const displayAlertTypes = _.compose(
+    _.uniq,
+    mapByCodeDisplay,
+    _.sortBy('codeDisplay')
+  )(alertTypes)
+
+  return '[Lamassu] Errors reported: ' + displayAlertTypes.join(', ')
+}
+
+module.exports = { printSmsAlerts }