Feature/Extensions (#320)

Sources/Core/Extensions/Foundation/Date+PovioKit.swift

@@ -0,0 +1,34 @@
+//
+//  Date+PovioKit.swift
+//  PovioKit
+//
+//  Created by Borut Tomazin on 14/05/2024.
+//  Copyright © 2024 Povio Inc. All rights reserved.
+//
+
+import Foundation
+
+public extension Date {
+  var isToday: Bool { calendar.isDateInToday(self) }
+  var isYesterday: Bool { calendar.isDateInYesterday(self) }
+  var isInFuture: Bool { self > Date() }
+
+  /// Returns first day of the week
+  var startOfWeek: Date? {
+    let components: Set<Calendar.Component> = [.yearForWeekOfYear, .weekOfYear, .hour, .minute, .second, .nanosecond]
+    return calendar.date(from: calendar.dateComponents(components, from: self))
+  }
+
+  /// Returns last day of the week
+  var endOfWeek: Date? {
+    guard let startOfWeek = Date().startOfWeek else { return nil }
+    return calendar.date(byAdding: .day, value: 6, to: startOfWeek)
+  }
+}
+
+// MARK: - Private Methods
+private extension Date {
+  var calendar: Calendar {
+    Calendar.autoupdatingCurrent
+  }
+}

Sources/Core/Extensions/Foundation/String+PovioKit.swift

@@ -38,6 +38,18 @@ public extension String {
     return emailTest.evaluate(with: self)
   }
 
+  /// Returns initials from string
+  /// `John Doe` -> `JD`
+  /// `Elena Wayne Gomez` -> `EWG`
+  var initials: String {
+    let formatter = PersonNameComponentsFormatter()
+    if let components = formatter.personNameComponents(from: self) {
+      formatter.style = .abbreviated
+      return formatter.string(from: components)
+    }
+    return self
+  }
+
   /// Returns substring containing up to `maxLength` characters from the beginning of the string.
   ///
   /// This method is just a wrapper around swift's standard library `prefix` method, but it ensures only positive values are accepted.

Sources/Core/Extensions/SwiftUI/AnyTransition+PovioKit.swift

@@ -0,0 +1,19 @@
+//
+//  AnyTransition+PovioKit.swift
+//  PovioKit
+//
+//  Created by Borut Tomazin on 14/05/2024.
+//  Copyright © 2024 Povio Inc. All rights reserved.
+//
+
+import SwiftUI
+
+public extension AnyTransition {
+  /// `slideLeft` is a inverse transition of system `slide`
+  static var slideLeft: AnyTransition {
+    .asymmetric(
+      insertion: .move(edge: .trailing),
+      removal: .move(edge: .leading)
+    )
+  }
+}

Sources/Core/Extensions/SwiftUI/Color+PovioKit.swift

@@ -0,0 +1,46 @@
+//
+//  Color+PovioKit.swift
+//  PovioKit
+//
+//  Created by Borut Tomazin on 14/05/2024.
+//  Copyright © 2024 Povio Inc. All rights reserved.
+//
+
+import SwiftUI
+
+public extension Color {
+  /// Initialize Color with `red`, `green` and `blue` components.
+  ///
+  /// Example: `Color(red: 0, green: 0, blue: 0)`
+  init(red: Int, green: Int, blue: Int) {
+    self.init(red: Double(red) / 255.0, green: Double(green) / 255.0, blue: Double(blue) / 255.0)
+  }
+
+  /// Initialize Color with given `hex` value.
+  ///
+  /// Example: `Color(hex: "000000")`
+  init(hex: String) {
+    let hex = hex.trimmingCharacters(in: CharacterSet.alphanumerics.inverted)
+    var int: UInt64 = 0
+    Scanner(string: hex).scanHexInt64(&int)
+    let alpha, red, green, blue: UInt64
+    switch hex.count {
+    case 3: // RGB (12-bit)
+      (alpha, red, green, blue) = (255, (int >> 8) * 17, (int >> 4 & 0xF) * 17, (int & 0xF) * 17)
+    case 6: // RGB (24-bit)
+      (alpha, red, green, blue) = (255, int >> 16, int >> 8 & 0xFF, int & 0xFF)
+    case 8: // ARGB (32-bit)
+      (alpha, red, green, blue) = (int >> 24, int >> 16 & 0xFF, int >> 8 & 0xFF, int & 0xFF)
+    default:
+      (alpha, red, green, blue) = (1, 1, 1, 0)
+    }
+
+    self.init(
+      .sRGB,
+      red: Double(red) / 255,
+      green: Double(green) / 255,
+      blue: Double(blue) / 255,
+      opacity: Double(alpha) / 255
+    )
+  }
+}

Sources/Core/Extensions/SwiftUI/View+PovioKit.swift

@@ -0,0 +1,26 @@
+//
+//  View+PovioKit.swift
+//  PovioKit
+//
+//  Created by Borut Tomazin on 02/03/2024.
+//  Copyright © 2024 Povio Inc. All rights reserved.
+//
+
+import SwiftUI
+
+public extension View {
+  /// Returns square frame for given `size`.
+  func frame(size: CGFloat? = nil, alignment: Alignment = .center) -> some View {
+    frame(width: size, height: size, alignment: alignment)
+  }
+
+  /// Hides view using opacity.
+  func hidden(_ hidden: Bool) -> some View {
+    opacity(hidden ? 0 : 1)
+  }
+
+  /// Disables animation on view.
+  func noAnimation() -> some View {
+    animation(nil, value: UUID())
+  }
+}

Sources/Core/Extensions/UIKit/CGSize+PovioKit.swift

@@ -0,0 +1,18 @@
+//
+//  CGSize+PovioKit.swift
+//  PovioKit
+//
+//  Created by Borut Tomazin on 14/05/2024.
+//  Copyright © 2024 Povio Inc. All rights reserved.
+//
+
+#if os(iOS)
+import UIKit
+
+public extension CGSize {
+  init(size: CGFloat) {
+    self.init(width: size, height: size)
+  }
+}
+
+#endif

Sources/Core/Extensions/UIKit/UIDevice+PovioKit.swift

@@ -30,6 +30,18 @@ public extension UIDevice {
       return identifier + String(UnicodeScalar(UInt8(value)))
     }
   }
+
+  /// Returns `UIEdgeInsets` for the possible (top/bottom) safe areas
+  var safeAreaInsets: UIEdgeInsets {
+    let windowScene = UIApplication.shared.connectedScenes.first as? UIWindowScene
+    let window = windowScene?.windows.first
+    return window?.safeAreaInsets ?? .init()
+  }
+
+  /// Returns `true` on devices with notch
+  var hasNotch: Bool {
+    safeAreaInsets.bottom > 0
+  }
 }
 
 #endif

Sources/Core/Extensions/UIKit/UIImage+PovioKit.swift

@@ -42,6 +42,23 @@ public extension UIImage {
     UIGraphicsEndImageContext()
     return image ?? UIImage()
   }
+
+  /// Returns existing image clipped to a circle
+  var clipToCircle: UIImage {
+    let layer = CALayer()
+    layer.frame = .init(origin: .zero, size: size)
+    layer.contents = cgImage
+    layer.masksToBounds = true
+
+    layer.cornerRadius = size.width / 2
+
+    UIGraphicsBeginImageContext(size)
+    guard let context = UIGraphicsGetCurrentContext() else { return self }
+    layer.render(in: context)
+    let roundedImage = UIGraphicsGetImageFromCurrentImageContext()
+    UIGraphicsEndImageContext()
+    return roundedImage ?? self
+  }
 }
 
 #endif

Sources/Core/Extensions/UIKit/UIView+PovioKit.swift

@@ -9,8 +9,8 @@
 #if os(iOS)
 import UIKit
 
-// MARK: - Shadow and border
 public extension UIView {
+  // Add shadow and border
   func dropShadow(path: UIBezierPath?, shadowColor: UIColor, radius: CGFloat, opacity: Float, offset: CGSize) {
     layer.shadowPath = path?.cgPath
     layer.shadowColor = shadowColor.cgColor

Sources/Core/Extensions/UIKit/UIWindow+PovioKit.swift

@@ -10,11 +10,21 @@
 import UIKit
 
 public extension UIWindow {
-  /// Returns `UIEdgeInsets` for the possible (top/bottom) safe areas
-  static var safeAreaInsets: UIEdgeInsets {
-    UIApplication.shared.windows
-      .first { $0.isKeyWindow }
-      .map { $0.rootViewController?.view?.safeAreaInsets ?? .zero } ?? .zero
+  /// Returns `viewController` that currently sits on top
+  var topViewController: UIViewController? {
+    func topViewController(with rootViewController: UIViewController?) -> UIViewController? {
+      guard rootViewController != nil else { return nil }
+
+      if let tabBarController = rootViewController as? UITabBarController {
+        return topViewController(with: tabBarController.selectedViewController)
+      } else if let navigationController = rootViewController as? UINavigationController {
+        return topViewController(with: navigationController.visibleViewController)
+      } else if rootViewController?.presentedViewController != nil {
+        return topViewController(with: rootViewController?.presentedViewController)
+      }
+      return rootViewController
+    }
+    return topViewController(with: rootViewController)
   }
 }