107 lines
3.5 KiB
Swift
107 lines
3.5 KiB
Swift
//
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// StringExtension.swift
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// SodaLive
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//
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// Created by klaus on 2022/06/03.
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//
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import Foundation
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extension Optional where Wrapped == String {
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func isNullOrBlank() -> Bool {
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return self == nil || self!.trimmingCharacters(in: .whitespaces).isEmpty
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}
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}
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extension String {
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func convertDateFormat(from: String, to: String, locale: Locale? = nil) -> String {
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let fromFormatter = DateFormatter()
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fromFormatter.dateFormat = from
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fromFormatter.timeZone = TimeZone(identifier: TimeZone.current.identifier)
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if let locale = locale {
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fromFormatter.locale = locale
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}
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if let date = fromFormatter.date(from: self) {
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return date.convertDateFormat(dateFormat: to)
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} else {
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return self
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}
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}
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func substring(from: Int, to: Int) -> String {
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guard from < count, to >= 0, to - from >= 0 else {
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return ""
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}
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// Index 값 획득
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let startIndex = index(self.startIndex, offsetBy: from)
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let endIndex = index(self.startIndex, offsetBy: to + 1) // '+1'이 있는 이유: endIndex는 문자열의 마지막 그 다음을 가리키기 때문
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// 파싱
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return String(self[startIndex ..< endIndex])
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// 출처 - https://ios-development.tistory.com/379
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}
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func formatCurrency(currencyCode: String, locale: Locale = .current) -> String {
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let formatter = NumberFormatter()
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formatter.numberStyle = .currency
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formatter.locale = locale
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formatter.currencyCode = currencyCode
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let dec = NSDecimalNumber(string: self)
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return formatter.string(from: dec) ?? "\(currencyCode) \(self)"
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}
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func parseUtcIsoLocalDateTime() -> [String: String] {
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// 1. 서버에서 내려온 포맷: "yyyy-MM-dd'T'HH:mm:ss"
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let utcFormatter = DateFormatter()
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utcFormatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ss"
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utcFormatter.locale = Locale.current
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utcFormatter.timeZone = TimeZone(abbreviation: "UTC")
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// 2. 문자열 → Date 객체
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guard let date = utcFormatter.date(from: self) else {
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return [:] // 파싱 실패 시 빈 딕셔너리 반환
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}
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// 3~6. 출력용 Formatter (로컬 시간 기준)
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let localFormatter = DateFormatter()
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localFormatter.locale = Locale.autoupdatingCurrent
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localFormatter.timeZone = TimeZone.current
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// 3. 월 (1~12)
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localFormatter.dateFormat = "M"
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let month = localFormatter.string(from: date)
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// 4. 일 (1~31)
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localFormatter.dateFormat = "d"
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let day = localFormatter.string(from: date)
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// 5. 요일 (예: "Mon", "목")
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localFormatter.dateFormat = "E"
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let dayOfWeek = localFormatter.string(from: date)
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// 6. 시간 (예: "AM 05:00")
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localFormatter.dateFormat = "a hh:mm"
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let time = localFormatter.string(from: date)
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return [
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"month": month,
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"day": day,
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"dayOfWeek": dayOfWeek,
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"time": time
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]
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}
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func parseUtcIsoDate() -> Date? {
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let formatter = DateFormatter()
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formatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ss"
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formatter.locale = Locale(identifier: "en_US_POSIX")
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formatter.timeZone = TimeZone(secondsFromGMT: 0)
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return formatter.date(from: self)
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}
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}
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