Changes to get working on tessel

constants.js

@@ -1,6 +1,6 @@
 const path = require('path')
 
-require('dotenv').config({ path: path.join(__dirname, '..', '.env') })
+require('dotenv').config({ path: path.join(__dirname, '.env') })
 
 const ENV = process.env.NODE_ENV || 'development'
 const USB_MOUNT_PATH = process.env.USB_MOUNT_PATH || '/mnt/sda1'

doorlock.js

@@ -1,27 +1,170 @@
-const chalk = require('chalk')
+'use strict'
-const Cobot = require('./cobot')
+
+// const axios = require('axios')
+const https = require('https')
 const fs = require('fs')
 const SerialPort = require('serialport')
 const tessel = require('tessel')
 const {
   CARD_UPDATE_INTERVAL,
   CARDS_PATH,
+  COBOT_CARDS_API,
+  COBOT_CLIENT_ID,
+  COBOT_CLIENT_SECRET,
+  COBOT_SCOPE,
+  COBOT_USER_EMAIL,
+  COBOT_USER_PASSWORD,
   DOOR_OPEN_DELAY,
+  ENV,
   RFID_READER_SERIAL_NUMBER,
 } = require('./constants')
 
-const TEST = process.env.NODE_ENV === 'test'
+const TEST = ENV === 'test'
+
+class Cobot {
+  constructor(token) {
+    this.token = token
+  }
+
+  cards() {
+    if (!COBOT_CARDS_API)
+      throw new Error('missing "COBOT_CARDS_API" env variable!')
+    return new Promise((resolve, reject) => {
+      const req = https.request(
+        {
+          headers: {
+            Authorization: `Bearer ${this.token}`,
+          },
+          hostname: 'chimera.cobot.me',
+          method: 'GET',
+          path: '/api/check_in_tokens',
+        },
+        res => {
+          const { statusCode, headers } = res
+          console.log('\n----------------------------------------------------')
+          console.log('COBOT CARDS RESPONSE:')
+          console.log(JSON.stringify({ statusCode, headers }, null, 2))
+          res.setEncoding('utf8')
+
+          let cards = ''
+          res.on('data', chunk => {
+            cards += chunk
+          })
+
+          res.on('end', () => {
+            cards = JSON.parse(cards)
+            console.log(JSON.stringify(cards, null, 2))
+            if (!cards || !cards.length) {
+              throw new Error('No cards received from API!')
+            }
+            resolve(
+              cards.map(card => ({
+                name: card.membership.name,
+                number: card.token,
+              }))
+            )
+            console.log(
+              '----------------------------------------------------\n'
+            )
+          })
+        }
+      )
+      req.on('data', console.log)
+      req.on('error', e => {
+        console.error(e)
+        reject(e)
+      })
+      req.end()
+    })
+    // return axios
+    //   .get(COBOT_CARDS_API, {
+    //     headers: {
+    //       Authorization: `Bearer ${this.token}`,
+    //     },
+    //   })
+    //   .then(resp =>
+    //     resp.data.map(card => ({
+    //       name: card.membership.name,
+    //       number: card.token,
+    //     }))
+    //   )
+  }
+
+  static authorize() {
+    console.log('Authorizing Cobot application...')
+    if (!COBOT_SCOPE) throw new Error('missing "COBOT_SCOPE" env variable!')
+    if (!COBOT_USER_EMAIL)
+      throw new Error('missing "COBOT_USER_EMAIL" env variable!')
+    if (!COBOT_USER_PASSWORD)
+      throw new Error('missing "COBOT_USER_PASSWORD" env variable!')
+    if (!COBOT_CLIENT_ID)
+      throw new Error('missing "COBOT_CLIENT_ID" env variable!')
+    if (!COBOT_CLIENT_SECRET)
+      throw new Error('missing "COBOT_CLIENT_SECRET" env variable!')
+
+    const qs = [
+      `scope=${COBOT_SCOPE}`,
+      `grant_type=password`,
+      `username=${COBOT_USER_EMAIL}`,
+      `password=${encodeURI(COBOT_USER_PASSWORD)}`,
+      `client_id=${COBOT_CLIENT_ID}`,
+      `client_secret=${COBOT_CLIENT_SECRET}`,
+    ].join('&')
+
+    return new Promise((resolve, reject) => {
+      const req = https.request(
+        {
+          hostname: 'www.cobot.me',
+          method: 'POST',
+          path: `/oauth/access_token?${qs}`,
+        },
+        res => {
+          const { statusCode, headers } = res
+          console.log('\n----------------------------------------------------')
+          console.log('COBOT AUTHORIZATION RESPONSE:')
+          console.log(JSON.stringify({ statusCode, headers }, null, 2))
+
+          res.setEncoding('utf8')
+
+          let cobot
+          res.on('data', chunk => {
+            const body = JSON.parse(chunk)
+            console.log(JSON.stringify({ body }, null, 2))
+            const token = body.access_token
+            if (!token) {
+              console.error(`Expected access token, got: ${body}`)
+              throw new Error('Error getting access token')
+            }
+            cobot = new Cobot(token)
+          })
+
+          res.on('end', () => {
+            resolve(cobot)
+            console.log(
+              '----------------------------------------------------\n'
+            )
+          })
+        }
+      )
+      req.on('error', e => reject(e))
+      req.end()
+    })
+    // return axios
+    //   .post(`https://www.cobot.me/oauth/access_token?${qs}`)
+    //   .then(resp => new Cobot(resp.data.access_token))
+  }
+}
 
 class DoorLock {
   constructor() {
-    this.log(chalk.gray('Initializing doorlock'))
+    this.log('Initializing doorlock')
 
     if (!RFID_READER_SERIAL_NUMBER) {
       throw new Error('No serial number set!')
     }
 
     this.cards = []
-    // this.fetchCardListFromCobot()
+    this.fetchCardListFromCobot()
     this.initializeRFIDReader()
   }
 
@@ -37,8 +180,8 @@ class DoorLock {
 
   getListOfSerialDevices() {
     return (SerialPort.list() || Promise.resolve([])).then(devices => {
-      this.log(chalk.green('Available serial devices:'))
+      this.log('Available serial devices:')
-      this.log(chalk.gray(JSON.stringify(devices.map(d => d.comName), null, 2)))
+      this.log(JSON.stringify(devices.map(d => d.comName), null, 2))
       return devices
     })
   }
@@ -56,7 +199,7 @@ class DoorLock {
   }
 
   connectToRFIDReaderDevice(port) {
-    this.log(chalk.green('Connected to device:'), chalk.gray(port))
+    this.log('Connected to device:', port)
     const device = new SerialPort(port, { baudRate: 9600 })
     const Readline = SerialPort.parsers.Readline
     const parser = new Readline()
@@ -76,24 +219,24 @@ class DoorLock {
       16
     )
 
-    this.log(chalk.green('Scanned card:'), chalk.gray(scanned))
+    this.log('Scanned card:', scanned)
 
     return this.readCardsFromSDCard().then(cards => {
       const card = cards.find(c => parseInt(c.number) === scanned)
 
       if (card) {
         const name = card.name.split(' ')[0]
-        this.log(chalk.green(`Welcome in ${name}!`), chalk.gray(scanned))
+        this.log(`Welcome in ${name}!`, scanned)
         this.openDoor()
       } else {
-        this.log(chalk.red('Card is invalid:'), chalk.gray(scanned))
+        this.log('Card is invalid:', scanned)
       }
     })
   }
 
   openDoor() {
     return new Promise(resolve => {
-      this.log(chalk.green('Opening door!'))
+      this.log('Opening door!')
 
       // TODO: trigger door opening...
       if (tessel.led) tessel.led[3].on()
@@ -107,26 +250,24 @@ class DoorLock {
   }
 
   closeDoor() {
-    this.log(chalk.green('Closing door!'))
+    this.log('Closing door!')
     if (tessel.led) tessel.led[3].off()
   }
 
   fetchCardListFromCobot() {
-    this.log(chalk.gray('Updating cards...'))
+    this.log('Updating cards...')
     Cobot.authorize()
       .then(cobot => cobot.cards())
       .then(cards => {
-        this.log(chalk.green('UPDATED CARDS:', cards.length, 'cards'))
+        this.log('UPDATED CARDS:', cards.length, 'cards')
         this.writeCardsToSDCard(cards)
         this.cards = cards
       })
       .then(() => {
         this.log(
-          chalk.gray(
+          'Updating card list in',
-            'Updating card list in',
+          CARD_UPDATE_INTERVAL / 1000,
-            CARD_UPDATE_INTERVAL / 1000,
+          'seconds...'
-            'seconds...'
-          )
         )
         setTimeout(this.fetchCardListFromCobot.bind(this), CARD_UPDATE_INTERVAL)
       })
@@ -137,7 +278,6 @@ class DoorLock {
     const sorted = cards.sort(
       (a, b) => (a.name.toLowerCase() < b.name.toLowerCase() ? -1 : 1)
     )
-    this.log(chalk.green('CARDS:'), sorted)
     return sorted
   }
 
@@ -145,8 +285,6 @@ class DoorLock {
     const json = JSON.stringify(this.sortCardsByName(cards))
     return new Promise((resolve, reject) => {
       fs.writeFile(CARDS_PATH, json, err => {
-        console.log(json)
-        console.log('JSON', json)
         if (err) return reject(err)
         resolve()
       })
@@ -164,8 +302,8 @@ class DoorLock {
 
   logErrorMessage(error) {
     if (TEST) return
-    console.error(chalk.red(error.message))
+    console.error(error.message)
-    console.error(chalk.gray(error.stack))
+    console.error(error.stack)
     process.exit
   }
 

package.json

@@ -1,10 +1,10 @@
 {
   "name": "doorlock",
   "version": "0.1.0",
-  "main": "src/boot.js",
+  "main": "doorlock.js",
   "scripts": {
-    "deploy": "t2 run src/boot.js",
+    "deploy": "t2 run doorlock.js",
-    "start": "node src/boot.js",
+    "start": "node doorlock.js",
     "test": "jest",
     "watch-test": "npm test -- --watch"
   },