Disciples of RNG – University of Ottawa

ios/MapPing/Classes/Domain/Model/Part.swift

@@ -8,11 +8,17 @@
 struct Part: Codable {
     enum CodingKeys: String, CodingKey {
         case name
+        case notes
+        case type
+        case address
         case latitude = "lat"
         case longitude = "lon"
     }
-
+    // add all needed attributes 
     let name: String
-    let latitude: Float
-    let longitude: Float
+    let notes: String
+    let type: String
+    let address: String?
+    let latitude: Float?
+    let longitude: Float?
 }

ios/MapPing/Classes/Domain/Service/PartService.swift

@@ -8,12 +8,28 @@
 import Foundation
 
 class PartService {
+
     private let partsUrl = URL(string: "https://s3.amazonaws.com/shared.ws.mirego.com/competition/mapping.json")!
-
     var partsObservable = Observable<[Part]>()
 
     func refreshParts() {
-        partsObservable.notify(data: [])
-        // TODO 🙄
+
+        var request = URLRequest(url: partsUrl)
+        // retrieve data from URL and parse into the partsObservable observable
+        URLSession.shared.dataTask(with: request) { (data, response, error) in
+            if error != nil {
+                print(error!.localizedDescription)
+            }
+
+            guard let data = data else { return }
+            //Implement JSON decoding and parsing
+            do {
+                let partsData = try JSONDecoder().decode([Part].self, from: data)
+                self.partsObservable.notify(data: partsData)
+
+            } catch let jsonError {
+                print(jsonError)
+            }
+            }.resume()
     }
 }

ios/MapPing/Classes/UI/List/ListViewController.swift

@@ -6,19 +6,79 @@
 //
 
 import UIKit
+import CoreLocation
 
-class ListViewController: BaseViewController {
+class ListViewController: BaseViewController, UITableViewDelegate, UITableViewDataSource, CLLocationManagerDelegate {
+
+    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        return self.data.count
+    }
+
+    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        let cell: PartCellView = PartCellView()
+
+        var part = self.data[indexPath.row]
+
+        let partCellView = PartCellView()
 
-    private var mainView: ListView {
-        return self.view as! ListView
+        if let longitude = part.longitude {
+
+            var distance = "unkown"
+
+            if self.last_location != nil{
+
+                /***
+                 This giant behemoth creates 2 CLLocation objects from the latitudes and longitudes, and then calcules the distance in m between them
+                 them converts to km, then converts to a string format.
+                ***/
+
+                distance = (NSString(format: "%.2f", CLLocation(latitude: CLLocationDegrees(part.latitude!), longitude: CLLocationDegrees(part.longitude!)).distance(from: CLLocation(latitude: (self.last_location?.latitude)!, longitude: (self.last_location?.longitude)!))/1000.0) as String) + " km"
+            }
+
+            // configure cell to have all the relevant information to properly display icon, text, distance, etc.
+            cell.configure(partImageName: "part-" + part.type, title: part.name, subTitle: part.notes, coordinates: (NSString(format: "%.2f", part.longitude!) as String) + "° N, " + (NSString(format: "%.2f", part.latitude!) as String) + "° W", distance: distance)
+        } else {
+
+            // use geo coder to get lat and lon from address when lat and lon not available
+
+            if let address = part.address{
+                let geoCoder = CLGeocoder()
+                geoCoder.geocodeAddressString(address) { (placemarks, error) in
+                    guard
+                        let placemarks = placemarks,
+                        let location = placemarks.first?.location
+                        else {
+                            return
+                    }
+
+                    var distance = "unkown"
+
+                    if self.last_location != nil{
+                        distance = (NSString(format: "%.2f", CLLocation(latitude: CLLocationDegrees((self.last_location?.latitude)!), longitude: CLLocationDegrees((self.last_location?.longitude)!)).distance(from: CLLocation(latitude: location.coordinate.latitude, longitude: location.coordinate.longitude))/1000.0) as String) + " km"
+                    }
+
+                    cell.configure(partImageName: "part-" + part.type, title: part.name, subTitle: part.notes, coordinates: (NSString(format: "%.2f", location.coordinate.longitude) as String) + "°, " + (NSString(format: "%.2f", location.coordinate.latitude) as String) + "°", distance: distance)
+
+                }
+            }
+        }
+
+        return cell
+
     }
+
 
+    private var tableView: UITableView = UITableView()
     private let partService: PartService
+    private var data = [Part]()
+    private var last_location: CLLocationCoordinate2D?
+    let locationManager = CLLocationManager()
 
     init(partService: PartService) {
         self.partService = partService
         super.init(nibName: nil, bundle: nil)
         title = "Map Ping"
+        self.data = [Part]()
         navigationIcon = #imageLiteral(resourceName: "icn-list")
     }
 
@@ -33,12 +93,36 @@ class ListViewController: BaseViewController {
     override func loadView() {
         view = ListView()
     }
+
+    func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
+        guard let locValue: CLLocationCoordinate2D = manager.location?.coordinate else { return }
+        self.last_location = locValue
+        print(locValue)
+    }
 
     override func viewDidLoad() {
         super.viewDidLoad()
+
+        self.locationManager.requestAlwaysAuthorization()
+
+        // For use in foreground
+        self.locationManager.requestWhenInUseAuthorization()
+
+        if CLLocationManager.locationServicesEnabled() {
+            locationManager.delegate = self
+            locationManager.desiredAccuracy = kCLLocationAccuracyNearestTenMeters
+            locationManager.startUpdatingLocation()
+        }
+
+        self.tableView = UITableView(frame: UIScreen.main.bounds, style: UITableViewStyle.plain)
+        self.tableView.delegate = self
+        self.tableView.dataSource = self
+        self.tableView.register(UITableViewCell.self, forCellReuseIdentifier: "cell")
+        self.view.addSubview(self.tableView)
 
         _ = partService.partsObservable.register { (_, parts) in
-            print("Nb of parts received: \(parts.count)")
+            self.data = parts
         }
+
     }
 }

ios/MapPing/Classes/UI/List/Subviews/PartCellView.swift

@@ -7,7 +7,9 @@
 
 import UIKit
 
-class PartCellView: UIView {
+
+// changed it to UITableViewCell to be able to have nice scrolling lists
+class PartCellView: UITableViewCell {
 
     private let partImage = UIImageView()
     private let title = UILabel()
@@ -16,7 +18,7 @@ class PartCellView: UIView {
     private let distance = UILabel()
 
     init() {
-        super.init(frame: .zero)
+        super.init(style: UITableViewCellStyle.default, reuseIdentifier: "cell")
 
         partImage.backgroundColor = .white
         partImage.contentMode = .center
@@ -38,7 +40,11 @@ class PartCellView: UIView {
         distance.setProperties(font: .italicSystemFont(ofSize: 12), textColor: .brownishGrey)
         addSubview(distance)
 
+        // make sure cells have a set height
+
         height = 100
+
+        heightAnchor.constraint(equalToConstant: height).isActive = true
     }
 
     required init(coder aDecoder: NSCoder) {

ios/MapPing/SupportingFiles/Info.plist

@@ -2,6 +2,10 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+	<key>NSLocationWhenInUseUsageDescription</key>
+	<string>MapPing wants to use your location.</string>
+	<key>NSLocationAlwaysAndWhenInUseUsageDescription</key>
+	<string>MapPing wants to use your location.</string>
 	<key>CFBundleDevelopmentRegion</key>
 	<string>$(DEVELOPMENT_LANGUAGE)</string>
 	<key>CFBundleDisplayName</key>