using req.body and req.params and creating route middleware

index.js

@@ -0,0 +1,78 @@
+// create a middleware function to catch and handle errors, register it
+// as the last middleware on app
+
+
+
+var express = require('express');
+var bodyParser = require('body-parser');
+var app = express();
+var _ = require('lodash');
+var morgan = require('morgan');
+
+var lions = [{name: "mimi", pride: "wakanda", age: 3, gender: "male"}];
+var id = 0;
+
+var updateId = function(req, res, next) {
+  // fill this out. this is the route middleware for the ids
+  id = id++
+  next(id);
+};
+
+app.use(morgan('dev'))
+app.use(express.static('client'));
+app.use(bodyParser.urlencoded({extended: true}));
+app.use(bodyParser.json());
+
+
+app.param('id', function(req, res, next, id) {
+  // fill this out to find the lion based off the id
+  // and attach it to req.lion. Rember to call next()
+ lion = id;
+
+ console.log({lion})
+  next();
+});
+
+app.get('/lions', function(req, res){
+  res.json(lions);
+});
+
+app.get('/lions/:id', function(req, res){
+    req.lion 
+    let theLion = lions[lion];
+    console.log({theLion});
+  res.json(theLion || {});
+});
+
+app.post('/lions', updateId, function(req, res) {
+  var lion = req.body;
+console.log({lion})
+  lions.push(lion);
+
+  res.json(lion);
+});
+
+
+app.put('/lions/:id', function(req, res) {
+  var update = req.body;
+  if (update.id) {
+    delete update.id
+  }
+
+  var lion = _.findIndex(lions, {id: req.params.id});
+  if (!lions[lion]) {
+    res.send();
+  } else {
+    var updatedLion = _.assign(lions[lion], update);
+    res.json(updatedLion);
+  }
+});
+
+
+app.use(function(err,req,res,next){
+   if(err){(console.log("error message"))}
+     res.status(500).send(err)
+ });
+
+app.listen(3000);
+console.log('on port 3000');

server/server.js → server/index.js

@@ -31,6 +31,9 @@ app.use(bodyParser.json());
 app.param('id', function(req, res, next, id) {
   // fill this out to find the lion based off the id
   // and attach it to req.lion. Rember to call next()
+   id++;
+  console.log({id})
+  next();
 });
 
 app.get('/lions', function(req, res){