Henry Schliebe: all three challenges

HenrySchliebeChallenges/Back End/app.js

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+var express = require('express');
+var bodyParser = require('body-parser');
+var app = express();
+
+app.use(express.urlencoded({extended: true}));
+app.use(express.json());
+
+var list = [5,4,3,2,1];
+//default list in case you wanted to try the get route before posting anything
+
+app.post('/data', function(req,res){
+    console.log('server - get /data');
+    console.log('server - recieved numbers: '+req.body.numbers);
+    var reqnums = req.body.numbers;
+    if(reqnums.length!==500) res.status(400).send('error: must send exactly 500 numbers');
+    else{
+        if(isNaN(reqnums[0])) res.status(400).send('error: must only send numbers');
+        list = reqnums;
+        res.send('we got it');
+    }
+});
+
+app.get('/data', function(req,res){
+    var sendlist = list.sort((a,b)=>{return a-b});
+    res.send({numbers:sendlist});
+});
+
+app.listen('3000','127.0.0.1', function(){
+    console.log('server started');
+});