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Nextcloud Cookbook iOS Client/Extensions/DateExtension.swift

@@ -11,11 +11,30 @@ extension Date {
     static var zero: Date {
         let dateFormatter = DateFormatter()
         dateFormatter.dateFormat =  "HH:mm"
-
         if let date = dateFormatter.date(from:"00:00") {
             return date
         } else {
             return Date()
         }
     }
+    
+    static func toPTRepresentation(date: Date) -> String? {
+        // PT0H18M0S
+        let dateComponents = Calendar.current.dateComponents([.hour, .minute], from: date)
+        if let hour = dateComponents.hour, let minute = dateComponents.minute {
+            return "PT\(hour)H\(minute)M0S"
+        }
+        return nil
+    }
+    
+    static func fromPTRepresentation(_ representation: String) -> Date {
+        let (hour, minute) = DateFormatter.stringToComponents(duration: representation)
+        let dateFormatter = DateFormatter()
+        dateFormatter.dateFormat =  "HH:mm"
+        if let date = dateFormatter.date(from:"\(hour):\(minute)") {
+            return date
+        } else {
+            return Date()
+        }
+    }
 }