Import airports and flights data

client/src/App.js

@@ -1,9 +1,13 @@
+import { useState } from 'react';
+
 import './App.css';
 
 function App() {
+    let [content, setContent] = useState("Loading…")
+    fetch('/api/').then(res => res.json()).then(data => setContent(data['message']))
   return (
     <div className="App">
-      Hello world!
+        {content}
     </div>
   );
 }

package.json

@@ -6,6 +6,7 @@
   "scripts": {
     "build": "cd client && npm run build",
     "dev": "nodemon --exec npm start",
+    "import": "node server/cli/import.js",
     "migrate": "npm run migrate:up",
     "migrate:up": "cd server && npx sequelize-cli db:migrate",
     "migrate:undo": "cd server && npx sequelize-cli db:migrate:undo",

server/cli/import.js

@@ -0,0 +1,45 @@
+const fs = require('fs')
+const db = require("../models")
+
+const Airport = db['Airport']
+const Flight = db['Flight']
+
+db.sequelize.sync()
+
+fs.readFile(__dirname + '/../data/airports.json', 'utf-8', (error, data) => {
+    if (error) {
+        console.log(error)
+        return
+    }
+
+    data = JSON.parse(data)
+    Airport.findAll({attributes: ['icao_code', 'iata_code']}).then(results => {
+        let icao_codes = []
+        let iata_codes = []
+        results.forEach(result => {
+            if (result.icao_code)
+                icao_codes.push(result.icao_code)
+            if (result.iata_code)
+                iata_codes.push(result.iata_code)
+        })
+
+        Airport.bulkCreate(data['response'].filter(airport => !icao_codes.includes(airport.icao_code)
+            && !iata_codes.includes(airport.iata_code))).then()
+    }).then(() => {
+        Airport.findAll({attributes: ['icao_code']}).then(airports => {
+            airports.forEach(airport => {
+                fs.readFile(__dirname + `/../data/routes/${airport.icao_code}.json`, 'utf-8', (error, data) => {
+                    if (error) {
+                        console.log(error)
+                        return
+                    }
+
+                    data = JSON.parse(data)
+                    Flight.destroy({where: {dep_icao: airport.icao_code}}).then(() => {
+                        Flight.bulkCreate(data['response']).then()
+                    })
+                })
+            })
+        })
+    })
+})

server/index.js

@@ -19,7 +19,7 @@ app.get("/api", (req, res) => {
 })
 
 app.get("/api/airports", (req, res) => {
-  res.json(Airport.findAll())
+  Airport.findAll().then(airports => res.json(airports))
 })
 
 app.get("/api/airport/:id", (req, res) => {