old logger was blocking indefinitely. made new logger.

src/models/door.js

@@ -7,12 +7,12 @@ module.exports = class Door {
     return new Promise(success => {
       console.log('OPEN DOOR!')
       const board = new Board(2)
-      board.allOn()
       setTimeout(() => {
         console.log('CLOSING DOOR!')
         board.allOff()
         success()
       }, DELAY)
+      return board.allOn()
     })
   }
 

src/models/logger.js

@@ -0,0 +1,65 @@
+var winston = require('winston'); // for transports.Console
+const fs = require('fs')
+const path = require('path')
+const LOGS_PATH = path.join(process.cwd(), 'logs.log')
+
+var winston = winston.createLogger({
+    transports: [
+        new (winston.transports.Console)({ level: 'debug' }),
+        new (winston.transports.File)({ filename: 'logs.log', level: 'debug' })
+    ]
+});
+
+winston.logError = function(card, message) {
+  winston.log({
+    level: 'error',
+    message: message,
+    timestamp: new Date().getTime(),
+    card: card,
+  })
+}
+
+winston.logGrantedCard = function(card) {
+  winston.log({
+    level: 'info',
+    message: 'granted',
+    timestamp: new Date().getTime(),
+    card: card
+  })
+}
+
+winston.logRejectedCard = function(card) {
+  winston.log({
+    level: 'info',
+    message: 'rejected',
+    timestamp: new Date().getTime(),
+    card: card
+  })
+}
+
+winston.readLogs = function () {
+  return new Promise((resolve, reject) => {
+    // specify "utf8" to return a string
+    fs.readFile(LOGS_PATH, "utf8", (err, data) => {
+      if (err) return resolve(JSON.parse("[]"))
+      var out = []
+      var split = data.split("\n")
+      // console.log(split)
+      for(var i=0; i<split.length; i++){
+        var line=split[i]
+        if (line) {
+          // console.log(line)
+          myLine = JSON.parse(line);
+          // console.log(myLine)
+          if (myLine.timestamp) {
+            out.push(myLine)
+          }
+        }
+      }
+      // console.log(out)
+      resolve(out)
+    })
+  })
+}
+
+module.exports = winston