updates

Flights/src/db.js

@@ -1,11 +1,12 @@
 var fs = require("fs")
 var mariadb = require('mariadb');
 
+// Configure the database connection
 const pool = mariadb.createPool({
-  host: 'Host_Here', 
-  user:'Username_Here', 
+  host: '<Hostname_Here>', 
+  user:'<Username_Here>', 
   port: 5002,
-  password: "Password_Here",
+  password: "<Password_Here>",
   database: 'flights',
   connectionLimit: 5
 });

Flights/src/routes/flightsRoutes.js

@@ -4,7 +4,7 @@ let express = require("express"),
     router = express.Router(),
     pool = require('../db');
 
-// GET search 
+// GET - general flight filter
 router.get("/airlines_stats", async (req, res, next) => {
     var origin = req.query.o;
     var dest = req.query.dst;
@@ -55,6 +55,7 @@ router.get("/airlines_stats", async (req, res, next) => {
     }
 });
 
+// GET - breakdown of delays by type for a given airline
 router.get("/airline_delays", async (req, res, next) => {
     var origin = req.query.o;
     var dest = req.query.dst;
@@ -108,6 +109,7 @@ router.get("/airline_delays", async (req, res, next) => {
     }
 });
 
+// GET - breakdown of delays by type for an airline vs average of all airlines
 router.get("/delays_comparison", async (req, res, next) => {
     var origin = req.query.o;
     var dest = req.query.dst;