From a0f4a5f393a9df576eced33f7948127d19ef33b7 Mon Sep 17 00:00:00 2001
From: Avior <florian.bouillon@delta-wings.net>
Date: Wed, 29 Apr 2020 14:33:03 +0200
Subject: [PATCH] Ajout dees points API #3 et #2

Signed-off-by: Avior <florian.bouillon@delta-wings.net>
---
 .gitignore              |  2 ++
 pages/api/coins.js      | 41 +++++++++++++++++++++++--
 pages/api/photos.js     | 66 +++++++++++++++++++++++++++++++++++++++++
 public/uploads/.gitkeep |  0
 4 files changed, 107 insertions(+), 2 deletions(-)
 create mode 100644 pages/api/photos.js
 create mode 100644 public/uploads/.gitkeep

diff --git a/.gitignore b/.gitignore
index 3dc2cb2..cb761ee 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,3 +25,5 @@ yarn-debug.log*
 yarn-error.log*
 
 .storage
+/public/uploads/*
+!/public/uploads/.gitkeep
diff --git a/pages/api/coins.js b/pages/api/coins.js
index 23d2886..cc749f2 100644
--- a/pages/api/coins.js
+++ b/pages/api/coins.js
@@ -3,7 +3,44 @@ import Coin from '../../models/Coin'
 
 export default async (req, res) => {
 	await connexion.sync()
-	res.statusCode = 200
 	res.setHeader('Content-Type', 'application/json')
-	res.end(JSON.stringify(await Coin.findAll()))
+	const distanceVal = toInt(req.query.distance)
+	const coordx = toFloat(req.query.coordx)
+	const coordy = toFloat(req.query.coordy)
+	const coins = await Coin.findAll()
+	if (distanceVal && coordx && coordy) {
+		const result = []
+		for (const coin of coins) {
+			const tmp = coin.toJSON()
+			console.log(tmp)
+			console.log(distance(tmp.coordx, tmp.coordy, coordx, coordy))
+			if ((distance(tmp.coordx, tmp.coordy, coordx, coordy) * 1000) <= distanceVal) {
+				result.push(tmp)
+			}
+		}
+		return res.status(200).end(JSON.stringify(result))
+	}
+
+	res.status(200).end(JSON.stringify(coins))
+}
+
+function toFloat(number) {
+	const res = parseFloat(number)
+	return !isNaN(res) ? res : undefined
+}
+
+function toInt(number) {
+	const res = parseInt(number)
+	return !isNaN(res) ? res : undefined
+}
+
+// return distance in km
+function distance(lat1, lon1, lat2, lon2) {
+	var p = 0.017453292519943295;
+	var c = Math.cos;
+	var a = 0.5 - c((lat2 - lat1) * p)/2 +
+			c(lat1 * p) * c(lat2 * p) *
+			(1 - c((lon2 - lon1) * p))/2;
+
+	return 12742 * Math.asin(Math.sqrt(a))
 }
diff --git a/pages/api/photos.js b/pages/api/photos.js
new file mode 100644
index 0000000..f0f7928
--- /dev/null
+++ b/pages/api/photos.js
@@ -0,0 +1,66 @@
+import { connexion } from '../../libs/util'
+import Photo from '../../models/Photo'
+import { promises } from 'fs'
+
+export default async (req, res) => {
+	await connexion.sync()
+	res.setHeader('Content-Type', 'application/json')
+	const pseudo = req.query.pseudo
+	const picName = req.query.filename
+	const location = req.query.location
+
+	if (location && isNaN(parseInt(location))) {
+		return res.status(400).end()
+	}
+
+	if (req.method === 'POST') {
+		if (!pseudo || !picName || !location) {
+			return res.status(400).end()
+		}
+		// post de la photo et upload du body
+		const path = `/uploads/${pseudo}-${Math.random() * 100000000000000000}-${picName}`
+		const backendPath = `./public/${path}`
+		await promises.writeFile(backendPath, await streamToBuffer(req))
+		try {
+			const photo = await Photo.create({
+				pseudo: pseudo,
+				path,
+				coinId: parseInt(location)
+			})
+			res.statusCode = 200
+			return res.end(JSON.stringify(photo))
+		} catch (e) {
+			res.statusCode = 400
+			await promises.unlink(backendPath)
+			console.log(e)
+			return res.end()
+		}
+	} else {
+		res.statusCode = 200
+		let builder = {}
+		if (pseudo) {
+			builder.pseudo = pseudo
+		}
+		if (location) {
+			builder.location =  parseInt(location)
+
+		}
+		res.end(JSON.stringify(await Photo.findAll(Object.keys(builder).length > 0 ? {where: builder} : undefined)))
+	}
+}
+
+// Stream.Readable
+function streamToBuffer(str){
+	return new Promise((resolve, reject) => {
+		const chunks = []
+		str.once('end', () => resolve(Buffer.concat(chunks)))
+		str.once('error', err => reject(err))
+		str.on('data', chunk => chunks.push(chunk))
+	})
+}
+
+export const config = {
+	api: {
+		bodyParser: false
+	}
+}
diff --git a/public/uploads/.gitkeep b/public/uploads/.gitkeep
new file mode 100644
index 0000000..e69de29