Implemented functions for fetching and storing general information and the food menu, including UI for the food menu, TODO: resizing cells for the plan and food menu

AvH Plan/MenuViewController.swift

@@ -2,12 +2,68 @@
 //  MenuViewController.swift
 //  AvH Plan
 //
-//  Created by Deniz Duezgoeren on 10.07.19.
+//  Created by Deniz Duezgoeren on 11.07.19.
 //  Copyright © 2019 Deniz Duezgoeren. All rights reserved.
 //
 
 import UIKit
 
-class MenuViewController : UIViewController {
+class MenuViewController : UIViewController, UICollectionViewDataSource, UICollectionViewDelegateFlowLayout {
     
+    let reuseIdentifier = "cell"
+    @IBOutlet weak var collectionView: UICollectionView!
+    var items = [String]()
+    private let refreshControl = UIRefreshControl()
+    let df = DataFetcher()
+    
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+        if #available(iOS 10.0, *) {
+            collectionView.refreshControl = refreshControl
+        } else {
+            collectionView.addSubview(refreshControl)
+        }
+        refreshControl.addTarget(self, action: #selector(objDoAsync(_:)), for: .valueChanged)
+        refreshControl.tintColor = UIColor(red: 0.39, green: 0.71, blue: 0.96, alpha: 1.0)
+        refreshControl.attributedTitle = NSAttributedString(string: "Fetching the food menu...")
+    }
+    
+    @objc private func objDoAsync(_ sender: Any) {
+        df.doAsync(do: "menu") { menuItems in
+            self.items = menuItems as! [String]
+            self.collectionView.reloadData()
+            self.refreshControl.endRefreshing()
+        }
+    }
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        collectionView.backgroundColor = UIColor(red: 0.8, green: 0.8, blue: 0.8, alpha: 1.0)
+        
+        self.items = self.df.readMenu()
+        self.collectionView.reloadData()
+    }
+    
+    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
+        return self.items.count
+    }
+    
+    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
+        let cell = collectionView.dequeueReusableCell(withReuseIdentifier: reuseIdentifier, for: indexPath as IndexPath) as! MenuViewCell
+        if self.items.count != 0 {
+            cell.content.text = self.items[indexPath.item]
+        }
+        
+        cell.backgroundColor = UIColor(red: 1.0, green: 1.0, blue: 1.0, alpha: 1.0)
+        return cell
+    }
+    
+        func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
+            print("You selected cell#\(indexPath.item)!")
+        }
+    
+    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
+        return CGSize(width: view.frame.size.width, height: 64)
+    }
 }
+