Step 1 Created classes, enums, and structures

AirportDepartures.playground/Contents.swift

@@ -16,8 +16,55 @@ import UIKit
 //: e. Use a `String?` for the Terminal, since it may not be set yet (i.e.: waiting to arrive on time)
 //:
 //: f. Use a class to represent a `DepartureBoard` with a list of departure flights, and the current airport
-
-
+enum FlightStatus: String {
+    case enroute = "En Route"
+    case scheduled = "On Schedule"
+    case canceled = "Canceled"
+    case delayed = "Delayed"
+    case boarding = "Boarding"
+}
+
+struct Airport {
+    let name: String
+    let code: String
+    let city: String
+    let state: String
+    let country: String
+}
+
+struct Flight {
+    let destination: String
+    let airlineName: String
+    let flightCode: String
+    let departureTime: Date?
+    let terminal: String?
+    let status: FlightStatus
+}
+
+class DepartureBoard {
+    var flights: [Flight]
+
+    init(flights: [Flight]) {
+        self.flights = flights
+    }
+
+    func alertPassengers() {
+        for eachFlight in departureBoard.flights {
+            switch eachFlight.status {
+                case .canceled:
+                    print("We're sorry your flight to \(eachFlight.destination) was canceled, here is a $500 voucher");
+                case .scheduled:
+                    print("Your flight to \(eachFlight.destination) is scheduled to depart at \(eachFlight.departureTime?.description ?? "TBD")) from terminal: \(String(describing: eachFlight.terminal ?? "TBD"))");
+                case .boarding:
+                    print("Your flight is boarding, please head to terminal: \(String(describing: eachFlight.departureTime)) immediately. The doors are closing soon.");
+                case .delayed:
+                    print("Your flight has been delayed.");
+                default:
+                    print("Your flight will arrive soon.")
+            }
+        }
+    }
+}
 
 //: ## 2. Create 3 flights and add them to a departure board
 //: a. For the departure time, use `Date()` for the current time
@@ -29,8 +76,23 @@ import UIKit
 //: d. Make one of the flights have a `nil` terminal because it has not been decided yet.
 //:
 //: e. Stretch: Look at the API for [`DateComponents`](https://developer.apple.com/documentation/foundation/datecomponents?language=objc) for creating a specific time
+let jfkAirport = Airport(name: "John F. Kenney Airport",
+                         code: "JFK",
+                         city: "New York City",
+                         state: "New York",
+                         country: "USA")
+var flight1 = Flight(destination: jfkAirport.code, airlineName: "Southwest", flightCode: "SW344",                     departureTime: Date(), terminal: "4", status: .scheduled)
+var flight2 = Flight(destination: jfkAirport.code, airlineName: "Alaska", flightCode: "AK9739",                       departureTime: nil, terminal: "8", status: .canceled)
+var flight3 = Flight(destination: jfkAirport.code, airlineName: "Delta", flightCode: "DL889",                         departureTime: Date(), terminal: nil, status: .delayed)
+
+
 
+var threeNewFlights = [Flight]()
+threeNewFlights.append(flight1)
+threeNewFlights.append(flight2)
+threeNewFlights.append(flight3)
 
+let departureBoard = DepartureBoard(flights: threeNewFlights)
 
 //: ## 3. Create a free-standing function that can print the flight information from the `DepartureBoard`
 //: a. Use the function signature: `printDepartures(departureBoard:)`
@@ -43,6 +105,23 @@ import UIKit
 
 
 
+func printDepartures(departureBoard: DepartureBoard) {
+    for eachFlight in departureBoard.flights {
+        if let unwrappedDepartureTime = eachFlight.departureTime, let unwrappedTerminal = eachFlight.terminal {
+            print("Destination: \(eachFlight.destination) Airline: \(eachFlight.airlineName) Flight Number: \(eachFlight.flightCode) Departure Time: \(unwrappedDepartureTime) Terminal: \(unwrappedTerminal) Status: \(eachFlight.status.rawValue)")
+        } else {
+            if let unwrappedDepartureTime = eachFlight.departureTime {
+                print("Destination: \(eachFlight.destination) Airline: \(eachFlight.airlineName) Flight Number: \(eachFlight.flightCode) Departure Time: \(unwrappedDepartureTime) Terminal: \(eachFlight.terminal ?? "") Status: \(eachFlight.status.rawValue)")
+            } else {
+                if let unwrappedTerminal = eachFlight.terminal {
+                    print("Destination: \(eachFlight.destination) Airline: \(eachFlight.airlineName) Flight Number: \(eachFlight.flightCode) Departure Time: \("") \(unwrappedTerminal) Status:  \(eachFlight.status.rawValue)")
+                }
+            }
+        }
+    }
+}
+
+printDepartures(departureBoard: departureBoard)
 
 //: ## 4. Make a second function to print print an empty string if the `departureTime` is nil
 //: a. Createa new `printDepartures2(departureBoard:)` or modify the previous function
@@ -58,6 +137,23 @@ import UIKit
 //:     Destination: Los Angeles Airline: Delta Air Lines Flight: KL 6966 Departure Time:  Terminal: 4 Status: Canceled
 //:     Destination: Rochester Airline: Jet Blue Airways Flight: B6 586 Departure Time: 1:26 PM Terminal:  Status: Scheduled
 //:     Destination: Boston Airline: KLM Flight: KL 6966 Departure Time: 1:26 PM Terminal: 4 Status: Scheduled
+func printDepartures2(departureBoard: DepartureBoard) {
+    for eachFlight in departureBoard.flights {
+        if let unwrappedDepartureTime = eachFlight.departureTime, let unwrappedTerminal = eachFlight.terminal {
+            print("Destination: \(eachFlight.destination) Airline: \(eachFlight.airlineName) Flight Number: \(eachFlight.flightCode) Departure Time: \(unwrappedDepartureTime) Terminal: \(unwrappedTerminal) Status: \(eachFlight.status.rawValue)")
+        } else {
+            if let unwrappedDepartureTime = eachFlight.departureTime {
+                print("Destination: \(eachFlight.destination) Airline: \(eachFlight.airlineName) Flight Number: \(eachFlight.flightCode) Departure Time: \(unwrappedDepartureTime) Terminal: \(eachFlight.terminal ?? "") Status: \(eachFlight.status.rawValue)")
+            } else {
+                if let unwrappedTerminal = eachFlight.terminal {
+                    print("Destination: \(eachFlight.destination) Airline: \(eachFlight.airlineName) Flight Number: \(eachFlight.flightCode) Departure Time: \("") \(unwrappedTerminal) Status:  \(eachFlight.status.rawValue)")
+                }
+            }
+        }
+    }
+}
+
+printDepartures2(departureBoard: departureBoard)
 
 
 
@@ -75,7 +171,7 @@ import UIKit
 //: d. Call the `alertPassengers()` function on your `DepartureBoard` object below
 //:
 //: f. Stretch: Display a custom message if the `terminal` is `nil`, tell the traveler to see the nearest information desk for more details.
-
+departureBoard.alertPassengers()
 
 
 
@@ -96,6 +192,15 @@ import UIKit
 //: e. Make sure to cast the numbers to the appropriate types so you calculate the correct airfare
 //:
 //: f. Stretch: Use a [`NumberFormatter`](https://developer.apple.com/documentation/foundation/numberformatter) with the `currencyStyle` to format the amount in US dollars.
-
-
+func calculateAirfare(checkedBags: Int, distance: Int, travelers: Int) -> Double {
+    let checkedBagTotal = checkedBags*25
+    let distanceTotal = distance/10
+    let travelersTotal = travelers*500
+    let total: Double = Double(checkedBagTotal + distanceTotal + travelersTotal)
+    return(total)
+}
+
+print(calculateAirfare(checkedBags: 4, distance: 1000, travelers: 2))
+print(calculateAirfare(checkedBags: 8, distance: 100, travelers: 8))
+print(calculateAirfare(checkedBags: 3, distance: 5320, travelers: 3))