Improved date handling (DurationComponents)

Nextcloud Cookbook iOS Client/Data/DurationComponents.swift

@@ -0,0 +1,99 @@
+//
+//  Duration.swift
+//  Nextcloud Cookbook iOS Client
+//
+//  Created by Vincent Meilinger on 11.11.23.
+//
+
+import Foundation
+import SwiftUI
+
+
+class DurationComponents: ObservableObject {
+    @Published var minuteComponent: String = "00" {
+        didSet {
+            if minuteComponent.count > 2 {
+                minuteComponent = oldValue
+            } else if minuteComponent.count == 1 {
+                minuteComponent = "0\(minuteComponent)"
+            } else if minuteComponent.count == 0 {
+                minuteComponent = "00"
+            }
+            let filtered = minuteComponent.filter { $0.isNumber }
+            if minuteComponent != filtered {
+                minuteComponent = filtered
+            }
+        }
+    }
+    
+    @Published var hourComponent: String = "00" {
+        didSet {
+            if hourComponent.count > 2 {
+                hourComponent = oldValue
+            } else if hourComponent.count == 1 {
+                hourComponent = "0\(hourComponent)"
+            } else if hourComponent.count == 0 {
+                hourComponent = "00"
+            }
+            let filtered = hourComponent.filter { $0.isNumber }
+            if hourComponent != filtered {
+                hourComponent = filtered
+            }
+        }
+    }
+    
+    func fromPTString(_ PTRepresentation: String) {
+        let hourRegex = /([0-9]{1,2})H/
+        let minuteRegex = /([0-9]{1,2})M/
+        if let match = PTRepresentation.firstMatch(of: hourRegex) {
+            self.hourComponent = String(match.1)
+        }
+        if let match = PTRepresentation.firstMatch(of: minuteRegex) {
+            self.minuteComponent = String(match.1)
+        }
+    }
+    
+    func toPTString() -> String {
+        return "PT\(hourComponent)H\(minuteComponent)M00S"
+    }
+    
+    func toText() -> LocalizedStringKey {
+        let intHour = Int(hourComponent) ?? 0
+        let intMinute = Int(minuteComponent) ?? 0
+        if intHour != 0 && intMinute != 0 {
+            return "\(intHour) h, \(intMinute) min"
+        } else if intHour == 0 && intMinute != 0 {
+            return "\(intMinute) min"
+        } else if intHour != 0 && intMinute == 0 {
+            return "\(intHour) h"
+        } else {
+            return "-"
+        }
+    }
+    
+    static func ptToText(_ ptString: String) -> String {
+        let hourRegex = /([0-9]{1,2})H/
+        let minuteRegex = /([0-9]{1,2})M/
+        
+        var intHour = 0
+        var intMinute = 0
+        if let match = ptString.firstMatch(of: hourRegex) {
+            let hourComponent = String(match.1)
+            intHour = Int(hourComponent) ?? 0
+        }
+        if let match = ptString.firstMatch(of: minuteRegex) {
+            let minuteComponent = String(match.1)
+            intMinute = Int(minuteComponent) ?? 0
+        }
+        
+        if intHour != 0 && intMinute != 0 {
+            return "\(intHour) h, \(intMinute) min"
+        } else if intHour == 0 && intMinute != 0 {
+            return "\(intMinute) min"
+        } else if intHour != 0 && intMinute == 0 {
+            return "\(intHour) h"
+        } else {
+            return "-"
+        }
+    }
+}