refactor: move sms receipt content to server

lib/routes/customerRoutes.js

@@ -119,10 +119,12 @@ function updateTxCustomerPhoto (req, res, next) {
 
 function sendSmsReceipt (req, res, next) {
   const receiptOptions = _.omit(['active', 'sms'], configManager.getReceipt(req.settings.config))
-  const smsRequest = sms.formatSmsRequest(req.body.data, receiptOptions)
+  sms.buildSms(req.body.data, receiptOptions)
+    .then(smsRequest => {
       sms.sendMessage(req.settings, smsRequest)
         .then(() => respond(req, res, {}))
         .catch(next)
+    })
 }
 
 router.patch('/:id', updateCustomer)

lib/sms.js

@@ -1,5 +1,11 @@
+const { BigNumber } = require('bignumber.js')
 const ph = require('./plugin-helper')
 const argv = require('minimist')(process.argv.slice(2))
+const { getTx } = require('./new-admin/services/transactions.js')
+const { getCustomerById } = require('./customers')
+const configManager = require('./new-config-manager')
+const machineLoader = require('./machine-loader')
+const { utils: coinUtils } = require('lamassu-coins')
 
 function getPlugin (settings) {
   const pluginCode = argv.mockSms ? 'mock-sms' : 'twilio'
@@ -24,6 +30,46 @@ function getLookup (settings, number) {
       return plugin.getLookup(account, number)
     })
 }
+const toCryptoUnits = (cryptoAtoms, cryptoCode) => {
+  const unitScale = coinUtils.getCryptoCurrency(cryptoCode).unitScale
+  return cryptoAtoms.shift(-unitScale)
+}
+
+function buildSms (data, receiptOptions) {
+  return getTx(data.session, data.txClass)
+    .then(tx => {
+      Promise.all([getCustomerById(tx.customer_id), machineLoader.getConfig(), machineLoader.getMachine()])
+        .then(([customer, config, deviceConfig]) => {
+          const localeConfig = configManager.getLocale(tx.device_id, config)
+          const timezone = localeConfig.timezone.split(':')
+          const dstOffset = timezone[1]
+
+          const cashInCommission = BigNumber(1).add(BigNumber(tx.commissionPercentage))
+
+          const rate = BigNumber(tx.rawTickerPrice).mul(cashInCommission).round(2)
+          const date = new Date()
+          date.setMinutes(date.getMinutes() + parseInt(dstOffset))
+          const dateString = `${date.toISOString().replace('T', ' ').slice(0, 19)}`
+
+          const data = {
+            operatorInfo: configManager.getOperatorInfo(config),
+            location: deviceConfig.machineLocation,
+            customerName: customer.name,
+            customerPhone: customer.phone,
+            session: tx.id,
+            time: dateString,
+            direction: tx.direction === 'cashIn' ? 'Cash-in' : 'Cash-out',
+            fiat: `${tx.fiat.toString()} ${tx.fiatCode}`,
+            crypto: `${toCryptoUnits(tx.cryptoAtoms, tx.cryptoCode)} ${tx.cryptoCode}`,
+            rate: `1 ${tx.cryptoCode} = ${rate} ${tx.fiatCode}`,
+            address: tx.toAddress,
+            txId: tx.txHash
+          }
+
+          return formatSmsReceipt(data, receiptOptions)
+        })
+    })
+}
 
 function formatSmsReceipt (data, options) {
   var message = `RECEIPT\n`
@@ -86,4 +132,4 @@ function formatSmsReceipt (data, options) {
   return request
 }
 
-module.exports = { sendMessage, formatSmsReceipt, getLookup }
+module.exports = { sendMessage, formatSmsReceipt, getLookup, buildSms }