Backend

crabfit-backend/.gcloudignore

@@ -3,4 +3,6 @@
 .git
 .gitignore
 
+.env
+
 node_modules/

crabfit-backend/.gitignore

@@ -1,6 +1,7 @@
 /node_modules
 
 .DS_Store
+.env
 .env.local
 .env.development.local
 .env.test.local

crabfit-backend/app.yaml

@@ -1,6 +1,10 @@
-runtime: nodejs10
-entrypoint: node index.js
+runtime: nodejs
 service: api
+env: flex
+
+automatic_scaling:
+  min_num_instances: 1
+  max_num_instances: 4
 
 endpoints_api_service:
   name: api-dot-crabfit.appspot.com

crabfit-backend/index.js

@@ -1,16 +1,30 @@
+require('dotenv').config();
+
+const { Datastore } = require('@google-cloud/datastore');
 const express = require('express');
+
 const package = require('./package.json');
-const app = express();
-const port = 8080;
 
 const stats = require('./routes/stats');
 const getEvent = require('./routes/getEvent');
 const createEvent = require('./routes/createEvent');
 const getPeople = require('./routes/getPeople');
 const createPerson = require('./routes/createPerson');
+const login = require('./routes/login');
 const updatePerson = require('./routes/updatePerson');
 
+const app = express();
+const port = 8080;
+
+const datastore = new Datastore({
+	keyFilename: process.env.GOOGLE_APPLICATION_CREDENTIALS,
+});
+
 app.use(express.json());
+app.use((req, res, next) => {
+	req.datastore = datastore;
+	next();
+});
 
 app.get('/', (req, res) => res.send(`Crabfit API v${package.version}`));
 
@@ -19,7 +33,8 @@ app.get('/event/:eventId', getEvent);
 app.post('/event', createEvent);
 app.get('/event/:eventId/people', getPeople);
 app.post('/event/:eventId/people', createPerson);
-app.patch('/event/:eventId/people/:personId', updatePerson);
+app.get('/event/:eventId/people/:personName', login);
+app.patch('/event/:eventId/people/:personName', updatePerson);
 
 app.listen(port, () => {
 	console.log(`Crabfit API listening at http://localhost:${port}`)

crabfit-backend/package.json

@@ -6,7 +6,17 @@
   "author": "Ben Grant",
   "license": "MIT",
   "private": true,
+  "engines": {
+    "node": ">= 10.0.0"
+  },
+  "scripts": {
+    "start": "node index.js"
+  },
   "dependencies": {
+    "@google-cloud/datastore": "^6.3.1",
+    "bcrypt": "^5.0.1",
+    "dayjs": "^1.10.4",
+    "dotenv": "^8.2.0",
     "express": "^4.17.1"
   }
 }

crabfit-backend/routes/createEvent.js

@@ -1,10 +1,43 @@
-module.exports = (req, res) => {
+const dayjs = require('dayjs');
+
+const generateId = (name) => {
+	const id = name.trim().toLowerCase().replace(/[^A-Za-z0-9 ]/g, '').replace(/\s+/g, '-');
+	const number = Math.floor(100000 + Math.random() * 900000);
+	return `${id}-${number}`;
+};
+
+module.exports = async (req, res) => {
 	const { event } = req.body;
 
-	if (event) {
-		console.log(event);
-		res.sendStatus(201);
-	} else {
+	try {
+		const eventId = generateId(event.name);
+		const currentTime = dayjs().unix();
+
+		const entity = {
+			key: req.datastore.key(['Event', eventId]),
+			data: {
+				name: event.name.trim(),
+				created: currentTime,
+				timezone: event.timezone,
+				startTime: event.startTime,
+				endTime: event.endTime,
+				dates: event.dates,
+			},
+		};
+
+		await req.datastore.insert(entity);
+
+		res.status(201).send({
+			id: eventId,
+			name: event.name.trim(),
+			created: currentTime,
+			timezone:  event.timezone,
+			startTime: event.startTime,
+			endTime: event.endTime,
+			dates: event.dates,
+		});
+	} catch (e) {
+		console.error(e);
 		res.sendStatus(400);
 	}
 };

crabfit-backend/routes/createPerson.js

@@ -1,15 +1,45 @@
-module.exports = (req, res) => {
+const dayjs = require('dayjs');
+const bcrypt = require('bcrypt');
+
+module.exports = async (req, res) => {
 	const { eventId } = req.params;
 	const { person } = req.body;
 
-	if (eventId) {
-		if (person) {
-			console.log(person);
-			res.sendStatus(201);
+	try {
+		const event = (await req.datastore.get(req.datastore.key(['Event', eventId])))[0];
+
+		if (event) {
+			if (person) {
+				const currentTime = dayjs().unix();
+
+				// If password
+				let hash = null;
+				if (person.password) {
+					hash = await bcrypt.hash(person.password, 10);
+				}
+
+				const entity = {
+					key: req.datastore.key('Person'),
+					data: {
+						name: person.name.trim(),
+						password: hash,
+						eventId: eventId,
+						created: currentTime,
+						availability: [],
+					},
+				};
+
+				await req.datastore.insert(entity);
+
+				res.sendStatus(201);
+			} else {
+				res.sendStatus(400);
+			}
 		} else {
-			res.sendStatus(400);
+			res.sendStatus(404);
 		}
-	} else {
-		res.sendStatus(404);
+	} catch (e) {
+		console.error(e);
+		res.sendStatus(400);
 	}
 };

crabfit-backend/routes/getEvent.js

@@ -1,21 +1,19 @@
-module.exports = (req, res) => {
+module.exports = async (req, res) => {
 	const { eventId } = req.params;
 
-	if (eventId) {
-		res.send({
-			id: 'event-name-4701240',
-			name: 'Event name',
-			eventCreated: 379642017932,
-			timezone: '247',
-			startTime: 0900,
-			endTime: 1700,
-			dates: [
-				'26022021',
-				'27022021',
-				'28022021',
-			],
-		});
-	} else {
+	try {
+		const event = (await req.datastore.get(req.datastore.key(['Event', eventId])))[0];
+
+		if (event) {
+			res.send({
+				id: eventId,
+				...event,
+			});
+		} else {
+			res.sendStatus(404);
+		}
+	} catch (e) {
+		console.error(e);
 		res.sendStatus(404);
 	}
 };

crabfit-backend/routes/getPeople.js

@@ -1,27 +1,19 @@
-module.exports = (req, res) => {
+module.exports = async (req, res) => {
 	const { eventId } = req.params;
 
-	if (eventId) {
+	try {
+		const query = req.datastore.createQuery('Person').filter('eventId', eventId);
+		let people = (await req.datastore.runQuery(query))[0];
+		people = people.map(person => ({
+			name: person.name,
+			availability: person.availability,
+		}));
+
 		res.send({
-			people: [
-				{
-					name: 'Laura',
-					password: null,
-					eventId: 'event-name-4701240',
-					availability: [
-						[
-							'START',
-							'END',
-						],
-						[
-							'START',
-							'END',
-						],
-					],
-				},
-			],
+			people,
 		});
-	} else {
+	} catch (e) {
+		console.error(e);
 		res.sendStatus(404);
 	}
 };

crabfit-backend/routes/login.js

@@ -0,0 +1,32 @@
+const bcrypt = require('bcrypt');
+
+module.exports = async (req, res) => {
+	const { eventId, personName } = req.params;
+	const { person } = req.body;
+
+	try {
+		const query = req.datastore.createQuery('Person')
+			.filter('eventId', eventId)
+			.filter('name', personName);
+		let personResult = (await req.datastore.runQuery(query))[0][0];
+
+		if (personResult) {
+			if (personResult.password) {
+				const passwordsMatch = person && person.password && await bcrypt.compare(person.password, personResult.password);
+				if (!passwordsMatch) {
+					return res.status(401).send('Incorrect password');
+				}
+			}
+
+			res.send({
+				name: personName,
+				availability: personResult.availability,
+			});
+		} else {
+			res.sendStatus(404);
+		}
+	} catch (e) {
+		console.error(e);
+		res.sendStatus(404);
+	}
+};

crabfit-backend/routes/stats.js

@@ -1,9 +1,21 @@
 const package = require('../package.json');
 
-module.exports = (req, res) => {
+module.exports = async (req, res) => {
+	let eventCount = null;
+	let personCount = null;
+
+	try {
+		const query = req.datastore.createQuery(['__Stat_Kind__']);
+
+		eventCount = (await req.datastore.runQuery(query.filter('kind_name', 'Event')))[0].count;
+		personCount = (await req.datastore.runQuery(query.filter('kind_name', 'Person')))[0].count;
+	} catch (e) {
+		console.error(e);
+	}
+
 	res.send({
-		eventCount: 0,
-		personCount: 0,
+		eventCount: eventCount || null,
+		personCount: personCount || null,
 		version: package.version,
 	});
 };

crabfit-backend/routes/updatePerson.js

@@ -1,18 +1,37 @@
-module.exports = (req, res) => {
-	const { eventId, personId } = req.params;
+const bcrypt = require('bcrypt');
+
+module.exports = async (req, res) => {
+	const { eventId, personName } = req.params;
 	const { person } = req.body;
 
-	if (eventId) {
-		if (personId) {
-			if (person) {
-				res.send(person);
+	try {
+		const query = req.datastore.createQuery('Person')
+			.filter('eventId', eventId)
+			.filter('name', personName);
+		let personResult = (await req.datastore.runQuery(query))[0][0];
+
+		if (personResult) {
+			if (person && person.availability) {
+				if (personResult.password) {
+					const passwordsMatch = person.password && await bcrypt.compare(person.password, personResult.password);
+					if (!passwordsMatch) {
+						return res.status(401).send('Incorrect password');
+					}
+				}
+
+				personResult.availability = person.availability;
+
+				await req.datastore.upsert(personResult);
+
+				res.sendStatus(200);
 			} else {
 				res.sendStatus(400);
 			}
 		} else {
 			res.sendStatus(404);
 		}
-	} else {
-		res.sendStatus(404);
+	} catch (e) {
+		console.error(e);
+		res.sendStatus(400);
 	}
 };

crabfit-backend/swagger.yaml

@@ -8,6 +8,35 @@ schemes:
   - "https"
 produces:
   - "application/json"
+definitions:
+  Event:
+    type: "object"
+    properties:
+      id:
+        type: "string"
+      name:
+        type: "string"
+      created:
+        type: "integer"
+      timezone:
+        type: "string"
+      startTime:
+        type: "string"
+      endTime:
+        type: "string"
+      dates:
+        type: "array"
+        items:
+          type: "string"
+  Person:
+    type: "object"
+    properties:
+      name:
+        type: "string"
+      availability:
+        type: "array"
+        items:
+          type: "string"
 paths:
   "/stats":
     get:
@@ -16,6 +45,15 @@ paths:
       responses:
         200:
           description: "OK"
+          schema:
+            type: "object"
+            properties:
+              eventCount:
+                type: "integer"
+              personCount:
+                type: "integer"
+              version:
+                type: "string"
   "/event/{eventId}":
     get:
       summary: "Return an event details"
@@ -24,11 +62,13 @@ paths:
         - in: "path"
           name: "eventId"
           required: true
-          type: string
+          type: "string"
           description: "The ID of the event"
       responses:
         200:
           description: "OK"
+          schema:
+            $ref: '#/definitions/Event'
         404:
           description: "Not found"
   "/event":
@@ -39,11 +79,27 @@ paths:
         - in: "body"
           name: "event"
           required: true
-          type: object
+          schema:
+            type: "object"
+            properties:
+              name:
+                type: "string"
+              timezone:
+                type: "string"
+              startTime:
+                type: "integer"
+              endTime:
+                type: "integer"
+              dates:
+                type: "array"
+                items:
+                  type: "string"
           description: "New event details"
       responses:
         201:
           description: "Created"
+          schema:
+            $ref: '#/definitions/Event'
         400:
           description: "Invalid data"
   "/event/{eventId}/people":
@@ -54,11 +110,18 @@ paths:
         - in: "path"
           name: "eventId"
           required: true
-          type: string
+          type: "string"
           description: "The ID of the event"
       responses:
         200:
           description: "OK"
+          schema:
+            type: "object"
+            properties:
+              people:
+                type: "array"
+                items:
+                  $ref: "#/definitions/Person"
         404:
           description: "Not found"
     post:
@@ -68,12 +131,18 @@ paths:
         - in: "path"
           name: "eventId"
           required: true
-          type: string
+          type: "string"
           description: "The ID of the event"
         - in: "body"
           name: "person"
           required: true
-          type: object
+          schema:
+            type: "object"
+            properties:
+              name:
+                type: "string"
+              password:
+                type: "string"
           description: "New person details"
       responses:
         201:
@@ -82,7 +151,39 @@ paths:
           description: "Not found"
         400:
           description: "Invalid data"
-  "/event/{eventId}/people/{personId}":
+  "/event/{eventId}/people/{personName}":
+    get:
+      summary: "Login as this person"
+      operationId: "getPerson"
+      parameters:
+        - in: "path"
+          name: "eventId"
+          required: true
+          type: "string"
+          description: "The ID of the event"
+        - in: "path"
+          name: "personName"
+          required: true
+          type: "string"
+          description: "The name of the person"
+        - in: "body"
+          name: "person"
+          required: false
+          schema:
+            type: "object"
+            properties:
+              password:
+                type: "string"
+          description: "Login details"
+      responses:
+        200:
+          description: "OK"
+          schema:
+            $ref: "#/definitions/Person"
+        401:
+          description: "Incorrect password"
+        404:
+          description: "Not found"
     patch:
       summary: "Update this person's availabilities"
       operationId: "patchPerson"
@@ -90,21 +191,31 @@ paths:
         - in: "path"
           name: "eventId"
           required: true
-          type: string
+          type: "string"
           description: "The ID of the event"
         - in: "path"
-          name: "personId"
+          name: "personName"
           required: true
-          type: string
-          description: "The ID of the person"
+          type: "string"
+          description: "The name of the person"
         - in: "body"
           name: "person"
           required: true
-          type: object
+          schema:
+            type: "object"
+            properties:
+              password:
+                type: "string"
+              availability:
+                type: "array"
+                items:
+                  type: "string"
           description: "Updated person details"
       responses:
         200:
           description: "OK"
+        401:
+          description: "Incorrect password"
         404:
           description: "Not found"
         400:

crabfit-frontend/deploy.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+yarn build
+
+cd build
+
+cat > app.yaml << EOF
+runtime: nodejs12
+handlers:
+- url: /(.*\..+)$
+  static_files: \1
+  upload: (.*\..+)$
+
+- url: /.*
+  static_files: index.html
+  upload: index.html
+EOF
+
+gcloud app deploy --project=crabfit