refactor: notifications and settings view models; enhance login and registration UI

2026-03-15 21:40:20 +07:00
parent 0947c048c1
commit 37b87ececd
45 changed files with 985 additions and 680 deletions
@@ -0,0 +1,100 @@
+import SwiftUI
+import UIKit
+
+struct OTPDigitField: UIViewRepresentable {
+    @Binding var text: String
+    let isFocused: Bool
+    let onFocus: () -> Void
+    let onInsert: () -> Void
+    let onDeleteWhenEmpty: () -> Void
+    let onPaste: ([String]) -> Void
+
+    func makeUIView(context: Context) -> BackspaceAwareTextField {
+        let textField = BackspaceAwareTextField()
+        textField.delegate = context.coordinator
+        textField.keyboardType = .numberPad
+        textField.textAlignment = .center
+        textField.font = UIFont.systemFont(ofSize: 24, weight: .bold)
+        textField.textContentType = .oneTimeCode
+        textField.onDeleteWhenEmpty = {
+            onDeleteWhenEmpty()
+        }
+        textField.addTarget(context.coordinator, action: #selector(Coordinator.editingChanged(_:)), for: .editingChanged)
+        return textField
+    }
+
+    func updateUIView(_ uiView: BackspaceAwareTextField, context: Context) {
+        if uiView.text != text {
+            uiView.text = text
+        }
+
+        if isFocused && !uiView.isFirstResponder {
+            DispatchQueue.main.async {
+                uiView.becomeFirstResponder()
+            }
+        }
+    }
+
+    func makeCoordinator() -> Coordinator {
+        Coordinator(parent: self)
+    }
+
+    final class Coordinator: NSObject, UITextFieldDelegate {
+        var parent: OTPDigitField
+
+        init(parent: OTPDigitField) {
+            self.parent = parent
+        }
+
+        func textFieldShouldBeginEditing(_ textField: UITextField) -> Bool {
+            parent.onFocus()
+            return true
+        }
+
+        func textFieldDidBeginEditing(_ textField: UITextField) {
+            parent.onFocus()
+        }
+
+        func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
+            if string.isEmpty {
+                return true
+            }
+
+            let digits = string.filter { $0.isNumber }
+            guard !digits.isEmpty else {
+                return false
+            }
+
+            if digits.count > 1 {
+                parent.onPaste(digits.map(String.init))
+                return false
+            }
+
+            parent.text = String(digits.prefix(1))
+            parent.onInsert()
+            return false
+        }
+
+        @objc
+        func editingChanged(_ textField: UITextField) {
+            let digitsOnly = (textField.text ?? "").filter { $0.isNumber }
+            let single = String(digitsOnly.prefix(1))
+            if textField.text != single {
+                textField.text = single
+            }
+            parent.text = single
+        }
+    }
+}
+
+final class BackspaceAwareTextField: UITextField {
+    var onDeleteWhenEmpty: (() -> Void)?
+
+    override func deleteBackward() {
+        let wasEmpty = (text ?? "").isEmpty
+        super.deleteBackward()
+        if wasEmpty {
+            onDeleteWhenEmpty?()
+        }
+    }
+}