implement firebase addParticipant & updateKarma

README.md

@@ -1,6 +1,19 @@
 # lit-pics
 🐱 Simple app to make sure me and my girlfriend are cleaning the damn litter box.
 
+### Initial Setup
+Initial Firebase setup (1 time only):
+1. Navigate to 'rules' tab on database (https://console.firebase.google.com/u/0/project/:id/database/:id/rules)
+2. Set:
+```
+{
+  "rules": {
+     ".read": true,
+     ".write": true
+  }
+}
+```
+
 ### Setup
 1. Create a `config.json` file in app's root directory based off of `config.template.json`
 2. Replace the info in the participants array matching this format:

config.template.json

@@ -16,9 +16,17 @@
         "alertTime": "0 19 * * *",
         "timezone": "America/Chicago"
     },
+    "firebase": {
+      "apiKey": "",
+      "authDomain": "",
+      "databaseURL": "",
+      "projectId": "",
+      "storageBucket": "",
+      "messagingSenderId": ""
+    },
     "twilio": {
         "number": "+17777777777",
-        "accountSid": "xyz",
-        "authToken": "xyz"
+        "accountSid": "",
+        "authToken": ""
     }
 }

index.js

@@ -9,6 +9,7 @@ const CronJob = require('cron').CronJob
 const { alertTime, timezone } = require('./config').preferences
 const { participants, port } = require('./config')
 const { deleteImage, sendMessage } = require('./lib/messenger')
+const { addParticipant, updateKarma } = require('./lib/firebase')
 
 app.use(parser.urlencoded({ extended: false }))
 
@@ -49,7 +50,7 @@ app.post('/incoming', wrap(async (req, res) => {
     if (isImage) {
         await sendMessage(getNextParticipant().number, { body: 'Does this litter look fit for a critter? If so, respond with "ok".', mediaUrl: MediaUrl0 })
         await sendMessage(From, { body: 'Lit pic successfully sent...hopefully you did a good job :)' })
-        await setTimeout(() => await deleteImage(MessageSid, MediaSid), 10000)
+        await setTimeout(() => deleteImage(MessageSid, MediaSid), 10000)
     }
     if (isConfirmation) {
         const prevParticipant = currentParticipant

lib/firebase.js

@@ -0,0 +1,29 @@
+const firebase = require('firebase')
+const config = require('../config').firebase
+firebase.initializeApp(config)
+const db = firebase.database()
+
+module.exports.addParticipant = function addParticipant(name, phoneNumber) {
+    const uid = db.ref().child('participants').push().key
+    const newParticipant = db.ref().child(`participants/${uid}`)
+    newParticipant.set({
+        uid,
+        name,
+        phoneNumber,
+        karma: 0
+    })
+    .catch(err => console.log(err))
+    return uid
+}
+
+module.exports.updateKarma = function updateKarma(uid, increaseBy) {
+    const ref = db.ref().child(`participants/${uid}`)
+    const karmaRef = db.ref().child(`participants/${uid}/karma`)
+
+    ref.once('value').then(snapshot => {
+        let { karma } = snapshot.val()
+        karma += increaseBy
+        return karmaRef.set(karma)
+    })
+    .catch(err => console.log(err))
+}