75 lines
1.8 KiB
Swift
75 lines
1.8 KiB
Swift
import Foundation
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public struct PlateNumber {
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private var number: String = ""
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private var numberEnglish: String = ""
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private let maxLength = 9
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private let mainPartLength = 6
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private let isDigitMask = [false, true, true, true, false, false, true, true, true]
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public init(_ string: String) {
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setNumber(string)
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}
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public func asString() -> String {
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return self.number.filter { !$0.isWhitespace }.uppercased()
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}
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public func mainPart() -> String {
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return String(self.numberEnglish.prefix(mainPartLength))
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}
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public func region() -> String {
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guard numberEnglish.count > mainPartLength else {
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return ""
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}
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return String(self.numberEnglish.dropFirst(mainPartLength))
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}
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public var isValid: Bool {
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number.count >= 8
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}
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public mutating func setNumber(_ number: String) {
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self.number = number
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self.numberEnglish = String(self.number.map { Constants.pnLettersMap[$0] ?? $0 })
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}
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// MARK: - UIKeyInput
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public var hasText: Bool {
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return !number.isEmpty
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}
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// Returns true if number was changed
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@discardableResult
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public mutating func insertText(_ text: String) -> Bool {
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guard number.count < maxLength, text.count == 1 else {
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return false
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}
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// TODO: Do proper validation
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// if text.first?.isNumber == isDigitMask[number.count] {
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// setNumber(number + text)
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// return true
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// } else {
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// return false
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// }
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setNumber(number + text)
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return true
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}
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@discardableResult
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public mutating func deleteBackward() -> Bool {
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guard !number.isEmpty else {
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return false
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}
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setNumber(String(number.dropLast()))
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return true
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}
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}
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