Sms integration fix (#130)

* Twilio integration error handling improvement

* Mock-sms error triggering added

dev/send-message.js

@@ -1,29 +1,30 @@
 require('es6-promise').polyfill()
 
-var config = require('../lib/config')
-var plugins = require('../lib/plugins')
+var config = require('../lib/settings-loader')
+var sms = require('../lib/sms')
 
 var rand = Math.floor(Math.random() * 1e6)
-
+var db = config.connection
 var rec = {
   email: {
     subject: 'Test email ' + rand,
     body: 'This is a test email from lamassu-server'
   },
   sms: {
+    toNumber: '666',
     body: '[Lamassu] This is a test sms ' + rand
   }
 }
 
-var db = config.connection
-config.loadConfig(db)
+config.loadLatest(db)
   .then(function (config) {
-    plugins.configure(config)
-    plugins.sendMessage(rec)
+    sms.sendMessage(config, rec)
       .then(function () {
         console.log('Success.')
+        process.exit(0)
       })
       .catch(function (err) {
         console.log(err.stack)
+        process.exit(1)
       })
   })

lib/plugins/sms/mock-sms/mock-sms.js

@@ -1,8 +1,14 @@
+const _ = require('lodash/fp')
+
 exports.NAME = 'MockSMS'
 
 exports.sendMessage = function sendMessage (account, rec) {
   console.log('Sending SMS: %j', rec)
-  return new Promise(resolve => {
-    setTimeout(resolve, 10)
+  return new Promise((resolve, reject) => {
+    if (_.endsWith('666', _.getOr(false, 'sms.toNumber', rec))) {
+      reject(new Error(`${exports.NAME} mocked error!`))
+    } else {
+      setTimeout(resolve, 10)
+    }
   })
 }

lib/plugins/sms/twilio/twilio.js

@@ -7,17 +7,22 @@ const BAD_NUMBER_CODES = [21201, 21202, 21211, 21214, 21216, 21217, 21219, 21408
   21610, 21612, 21614, 21608]
 
 function sendMessage (account, rec) {
-  const client = twilio(account.accountSid, account.authToken)
-  const body = rec.sms.body
-  const _toNumber = rec.sms.toNumber || account.toNumber
+  return Promise.resolve()
+    .then(() => {
+      // to catch configuration errors like
+      // "Error: username is required"
+      const client = twilio(account.accountSid, account.authToken)
+      const body = rec.sms.body
+      const _toNumber = rec.sms.toNumber || account.toNumber
 
-  const opts = {
-    body: body,
-    to: _toNumber,
-    from: account.fromNumber
-  }
+      const opts = {
+        body: body,
+        to: _toNumber,
+        from: account.fromNumber
+      }
 
-  return client.messages.create(opts)
+      return client.messages.create(opts)
+    })
     .catch(err => {
       if (_.includes(err.code, BAD_NUMBER_CODES)) {
         const badNumberError = new Error(err.message)
@@ -25,7 +30,7 @@ function sendMessage (account, rec) {
         throw badNumberError
       }
 
-      throw new Error(err.message)
+      throw new Error(`Twilio error: ${err.message}`)
     })
 }