Extract device info and attach it to recorded metrics

src/app.js

@@ -5,6 +5,7 @@ const session = require('koa-session')
 const routers = require('http/routes')
 const handlebars = require('./vendor/koa-handlebars')
 const { fs, config } = require('bootstrap')
+const { extractDevice } = require('./http/middleware/deviceProperties')
 
 const app = new Koa()
 
@@ -17,6 +18,7 @@ app.use(session({
 }, app))
 app.use(require('./http/middleware/injection'))
 app.use(handlebars(fs.path('views')))
+app.use(extractDevice)
 
 Object.values(routers).forEach(router => {
 	app.use(router.routes())

src/database/models/Metric.js

@@ -73,6 +73,10 @@ module.exports = (sequelize, DataTypes) => {
 		return Object.keys(metricConversionMap)
 	}
 
+	Model.findUnassociatedForDevice = function findUnassociatedMetrics(deviceId) {
+		return Model.findAll({ where:  { author_id: null, meta: { device: { id: deviceId } } } })
+	}
+
 	Model.prototype.toJSON = function userToJSON() {
 		const author = this.author ? { author: this.author } : {}
 

src/http/controllers/api/auth.js

+exports.register = async ctx => {
+	const { email, name, password, date_of_birth, age_bracket } = ctx.request.body
+}
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src/http/controllers/api/content.js

@@ -21,7 +21,11 @@ exports.postMetric = async ctx => {
 
 	if (allowedTypes.has(type)) {
 		const point = { type: 'Point', coordinates: [location.longitude, location.latitude] }
-		const metric = await Metric.create({ value, type, location: point, author_id: user ? user.id : null })
+		const payload = { value, type, location: point, author_id: user ? user.id : null }
+		if (ctx.request.device) {
+			payload.meta = { device: ctx.request.device }
+		}
+		const metric = await Metric.create(payload)
 		ctx.body = { metric: metric.toJSON() }
 	} else {
 		throw new HttpError({ status: 400, code: 'MTR-002', title: 'Invalid Metric', description: `${ type } is not a supported type`})

src/http/middleware/deviceProperties.js

+exports.extractDevice = async (ctx, next) => {
+	const deviceId = ctx.get('X-Request-Device')
+	const platform = ctx.get('X-Request-Platform')
+	const rawSlug = ctx.get('X-Request-Slug')
+
+	const slug = Buffer.from(rawSlug, 'base64').toString('utf-8')
+
+	ctx.request.device = {
+		id: deviceId,
+		platform,
+		info: JSON.parse(slug || 'null'),
+	}
+
+	return await next()
+}
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