QR code on purchases

Sources/TripKit/helpers/TKJSONCache.swift

@@ -51,6 +51,29 @@ public class TKJSONCache: TKFileCache {
   }
 }
 
+public class TKCodableCache<Content>: TKFileCache where Content: Codable {
+  public static func read(_ id: String, directory: TKFileCacheDirectory, subdirectory: String? = nil) -> Content? {
+
+    guard let data = TKFileCache.read(id, directory: directory, subdirectory: subdirectory) else { return nil }
+
+    do {
+      return try PropertyListDecoder().decode(Content.self, from: data)
+    } catch {
+      assertionFailure("Error while reading: \(error)")
+      return nil
+    }
+  }
+
+  public static func save(_ id: String, content: Codable, directory: TKFileCacheDirectory, subdirectory: String? = nil) {
+    do {
+      let data = try PropertyListEncoder().encode(content)
+      TKFileCache.save(id, data: data, directory: directory, subdirectory: subdirectory)
+    } catch {
+      assertionFailure("Error while saving: \(error)")
+    }
+  }
+}
+
 public class TKFileCache: NSObject {
 
   public static func read(_ id: String, directory: TKFileCacheDirectory, subdirectory: String? = nil) -> Data? {

Sources/TripKit/model/TKBookingTypes.swift

@@ -337,9 +337,9 @@ extension TKBooking {
     public let details: String
 
     /// Price in cents
-    public let price: Int
+    public let price: Int?
 
-    public let currencyCode: String
+    public let currencyCode: String?
 
     /// Number of tickets to pre-select, can also be used to define how many tickets to purchase for this fare
     public var amount: Int?
@@ -402,6 +402,8 @@ extension TKBooking {
 
     /// URL to fetch ticket details, provided if `status == .activated`
     public let ticketURL: URL?
+
+    public let qrCode: String?
 
     @DefaultEmptyArray public var actions: [Action]
 
@@ -420,6 +422,7 @@ extension TKBooking {
       case status
       case ticketURL
       case actions
+      case qrCode
 
       case ticketExpiration = "ticketExpirationTimestamp"
       case purchased = "purchasedTimestamp"
@@ -498,7 +501,8 @@ extension TKBooking.BookingInput.ReturnTripDateValue {
 
 extension TKBooking.Fare {
 
-  public func priceValue(locale: Locale = .current) -> String {
+  public func priceValue(locale: Locale = .current) -> String? {
+    guard let price, let currencyCode else { return nil }
     return NSNumber(value: Float(price) / 100).toMoneyString(currencyCode: currencyCode, locale: locale)
   }