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// Copyright © 2015 Abhishek Banthia
import Cocoa
import CoreLocation
class TimezoneDataOperations: NSObject {
private var dataObject: TimezoneData!
private lazy var nsCalendar: Calendar = Calendar.autoupdatingCurrent
private static var gregorianCalendar = NSCalendar(calendarIdentifier: NSCalendar.Identifier.gregorian)
private static var swiftyCalendar = Calendar(identifier: .gregorian)
@objc init(with timezone: TimezoneData) {
dataObject = timezone
}
}
extension TimezoneDataOperations {
func time(with sliderValue: Int) -> String {
guard let newDate = TimezoneDataOperations.gregorianCalendar?.date(byAdding: .minute,
value: sliderValue,
to: Date(),
options: .matchFirst) else {
assertionFailure("Data was unexpectedly nil")
return CLEmptyString
}
let dateFormatter = DateFormatterManager.dateFormatterWithFormat(with: .none,
format: dataObject.timezoneFormat(),
timezoneIdentifier: dataObject.timezone(),
locale: Locale.autoupdatingCurrent)
return dateFormatter.string(from: newDate)
}
func compactMenuHeader() -> String {
var subtitle = CLEmptyString
let shouldDayBeShown = DataStore.shared().shouldShowDateInMenubar()
if shouldDayBeShown {
let substring = date(with: 0, displayType: CLDateDisplayType.menuDisplay)
subtitle.append(substring)
}
subtitle.isEmpty ? subtitle.append(time(with: 0)) : subtitle.append(" \(time(with: 0))")
return subtitle
}
func menuTitle() -> String {
var menuTitle = CLEmptyString
let dataStore = DataStore.shared()
let shouldCityBeShown = dataStore.shouldDisplay(.placeInMenubar)
let shouldDayBeShown = dataStore.shouldShowDateInMenubar()
let shouldDateBeShown = dataStore.shouldDisplay(.dateInMenubar)
if shouldCityBeShown {
if let address = dataObject.formattedAddress, address.isEmpty == false {
if let label = dataObject.customLabel {
label.isEmpty == false ? menuTitle.append(label) : menuTitle.append(address)
} else {
menuTitle.append(address)
}
} else {
if let label = dataObject.customLabel {
label.isEmpty == false ? menuTitle.append(label) : menuTitle.append(dataObject.timezone())
} else {
menuTitle.append(dataObject.timezone())
}
}
}
if shouldDayBeShown {
var substring = date(with: 0, displayType: CLDateDisplayType.menuDisplay)
let endIndex = substring.index(substring.startIndex, offsetBy: 2)
substring = String(substring[substring.startIndex ... endIndex])
if menuTitle.isEmpty == false {
menuTitle.append(" \(substring.capitalized)")
} else {
menuTitle.append(substring.capitalized)
}
}
if shouldDateBeShown {
let date = Date().formatter(with: "MMM d", timeZone: dataObject.timezone())
if menuTitle.isEmpty == false {
menuTitle.append(" \(date)")
} else {
menuTitle.append("\(date)")
}
}
menuTitle.isEmpty == false ? menuTitle.append(" \(time(with: 0))") : menuTitle.append(time(with: 0))
return menuTitle
}
private func timezoneDate(with sliderValue: Int, _ calendar: Calendar) -> Date {
let source = timezoneDateByAdding(minutesToAdd: sliderValue, calendar)
let sourceTimezone = TimeZone.current
let destinationTimezone = TimeZone(identifier: dataObject.timezone())
let sourceGMTOffset: Double = Double(sourceTimezone.secondsFromGMT(for: source))
let destinationGMTOffset: Double = Double(destinationTimezone?.secondsFromGMT(for: source) ?? 0)
let interval = destinationGMTOffset - sourceGMTOffset
return Date(timeInterval: interval, since: source)
}
// calendar.dateByAdding takes a 0.1% or 0.2% according to TimeProfiler
// Let's not use it unless neccesary!
private func timezoneDateByAdding(minutesToAdd: Int, _ calendar: Calendar?) -> Date {
if minutesToAdd == 0 {
return Date()
}
return calendar?.date(byAdding: .minute,
value: minutesToAdd,
to: Date()) ?? Date()
}
func date(with sliderValue: Int, displayType: CLDateDisplayType) -> String {
var currentCalendar = Calendar(identifier: .gregorian)
currentCalendar.locale = Locale.autoupdatingCurrent
let convertedDate = timezoneDate(with: sliderValue, currentCalendar)
guard let relativeDayPreference = DataStore.shared().retrieve(key: CLRelativeDateKey) as? NSNumber else {
assertionFailure("Data was unexpectedly nil")
return CLEmptyString
}
if displayType == CLDateDisplayType.panelDisplay {
// Yesterday, tomorrow, etc
if relativeDayPreference.intValue == 0 {
let localFormatter = DateFormatterManager.localizedSimpleFormatter("EEEE")
let local = localFormatter.date(from: localeDate(with: "EEEE"))
// Gets local week day number and timezone's week day number for comparison
let weekDay = currentCalendar.component(.weekday, from: local!)
let timezoneWeekday = currentCalendar.component(.weekday, from: convertedDate)
if weekDay == timezoneWeekday + 1 {
return "Yesterday\(timeDifference())"
} else if weekDay == timezoneWeekday {
return "Today\(timeDifference())"
} else if weekDay + 1 == timezoneWeekday || weekDay - 6 == timezoneWeekday {
return "Tomorrow\(timeDifference())"
} else {
return "\(weekdayText(from: convertedDate))\(timeDifference())"
}
}
// Day name: Thursday, Friday etc
if relativeDayPreference.intValue == 1 {
return "\(weekdayText(from: convertedDate))\(timeDifference())"
}
// Date in mmm/dd
if relativeDayPreference.intValue == 2 {
return "\(todaysDate(with: sliderValue))\(timeDifference())"
}
let errorDictionary: [String: Any] = ["Timezone": dataObject.timezone(),
"Current Locale": Locale.autoupdatingCurrent.identifier,
"Slider Value": sliderValue,
"Today's Date": Date()]
Logger.log(object: errorDictionary, for: "Unable to get date")
return "Error"
} else {
return "\(shortWeekdayText(convertedDate))"
}
}
// Returns shortened weekday given a date
// For eg. Thu or Thursday, Tues for Tuesday etc
private func shortWeekdayText(_ date: Date) -> String {
let localizedFormatter = DateFormatterManager.localizedSimpleFormatter("E")
return localizedFormatter.string(from: date)
}
// Returns proper weekday given a date
// For eg. Thursday, Sunday, Friday etc
private func weekdayText(from date: Date) -> String {
let dateFormatter = DateFormatterManager.localizedFormatter(with: "EEEE", for: TimeZone.current.identifier)
return dateFormatter.string(from: date)
}
// Exposed to public for tests!
public func timeDifference() -> String {
let localFormatter = DateFormatterManager.localizedSimpleFormatter("d MMM yyyy HH:mm:ss")
let local = localFormatter.date(from: localeDate(with: "d MMM yyyy HH:mm:ss"))!
let newDate = timezoneDateByAdding(minutesToAdd: 0, TimezoneDataOperations.swiftyCalendar)
let dateFormatter = DateFormatterManager.localizedFormatter(with: "d MMM yyyy HH:mm:ss", for: dataObject.timezone())
guard let timezoneDate = localFormatter.date(from: dateFormatter.string(from: newDate)) else {
let unableToConvertDateParameters = [
"New Date": newDate,
"Timezone": dataObject.timezone(),
"Locale": dateFormatter.locale.identifier
] as [String: Any]
Logger.log(object: unableToConvertDateParameters, for: "Date conversion failure - New Date is nil")
return CLEmptyString
}
let timeDifference = local.timeAgo(since: timezoneDate)
if timeDifference.contains("Just now") {
return CLEmptyString
}
if (local as NSDate).earlierDate(timezoneDate) == local {
var replaceAgo = CLEmptyString
replaceAgo.append(", ")
let agoString = timezoneDate.timeAgo(since: local, numericDates: true)
replaceAgo.append(agoString.replacingOccurrences(of: "ago", with: CLEmptyString))
let minuteDifference = calculateTimeDifference(with: local as NSDate, timezoneDate: timezoneDate as NSDate)
minuteDifference == 0 ? replaceAgo.append("ahead") : replaceAgo.append("\(minuteDifference) mins ahead")
return replaceAgo.lowercased()
}
var replaceAgo = CLEmptyString
replaceAgo.append(", ")
let replaced = timeDifference.replacingOccurrences(of: "ago", with: CLEmptyString)
replaceAgo.append(replaced)
let minuteDifference = calculateTimeDifference(with: local as NSDate, timezoneDate: timezoneDate as NSDate)
minuteDifference == 0 ? replaceAgo.append("behind") : replaceAgo.append("\(minuteDifference) mins behind")
return replaceAgo.lowercased()
}
private func initializeSunriseSunset(with sliderValue: Int) {
let currentDate = nsCalendar.date(byAdding: .minute,
value: sliderValue,
to: Date())
guard let lat = dataObject.latitude,
let long = dataObject.longitude else {
assertionFailure("Data was unexpectedly nil.")
return
}
let coordinates: CLLocationCoordinate2D = CLLocationCoordinate2D(latitude: lat, longitude: long)
guard let dateForCalculation = currentDate, let solar = Solar(for: dateForCalculation, coordinate: coordinates) else {
return
}
if let sunrise = solar.sunrise, let sunset = solar.sunset {
dataObject.sunriseTime = sunrise
dataObject.sunsetTime = sunset
dataObject.isSunriseOrSunset = solar.isNighttime
} else {
Logger.log(object: ["Unable to fetch sunrise/sunset": dataObject.formattedTimezoneLabel()], for: "Sunrise/Sunset Error")
}
}
private func calculateTimeDifference(with localDate: NSDate, timezoneDate: NSDate) -> Int {
let earliest = localDate.earlierDate(timezoneDate as Date)
let latest = earliest == localDate as Date ? timezoneDate : localDate
// if timeAgo < 24h => compare DateTime else compare Date only
let upToHours: Set<Calendar.Component> = [.second, .minute, .hour]
let difference = nsCalendar.dateComponents(upToHours, from: earliest, to: latest as Date)
return difference.minute!
}
func formattedSunriseTime(with sliderValue: Int) -> String {
/* We have to call this everytime so that we get an updated value everytime! */
if dataObject.selectionType == .timezone || (dataObject.latitude == nil || dataObject.longitude == nil) {
return CLEmptyString
}
initializeSunriseSunset(with: sliderValue)
if let sunrise = dataObject.sunriseTime, let sunset = dataObject.sunsetTime {
let correct = dataObject.isSunriseOrSunset ? sunrise : sunset
let dateFormatter = DateFormatter()
dateFormatter.locale = Locale(identifier: "en_US")
dateFormatter.timeZone = TimeZone(identifier: dataObject.timezone())
dateFormatter.dateFormat = DataStore.shared().shouldDisplay(ViewType.twelveHour) ? "hh:mm a" : "HH:mm"
return dateFormatter.string(from: correct)
}
return CLEmptyString
}
func todaysDate(with sliderValue: Int, locale: Locale = Locale(identifier: "en-US")) -> String {
let newDate = TimezoneDataOperations.gregorianCalendar?.date(byAdding: .minute,
value: sliderValue,
to: Date(),
options: .matchFirst)
let date = newDate!.formatter(with: "MMM d", timeZone: dataObject.timezone(), locale: locale)
return date
}
private func localDate() -> String {
let dateFormatter = DateFormatterManager.dateFormatter(with: .medium, for: TimeZone.autoupdatingCurrent.identifier)
return dateFormatter.string(from: Date())
}
private func localeDate(with format: String) -> String {
let dateFormatter = DateFormatterManager.localizedFormatter(with: format, for: TimeZone.autoupdatingCurrent.identifier)
return dateFormatter.string(from: Date())
}
@objc func saveObject(at index: Int = -1) {
var defaults = DataStore.shared().timezones()
let encodedObject = NSKeyedArchiver.archivedData(withRootObject: dataObject as Any)
index == -1 ? defaults.append(encodedObject) : defaults.insert(encodedObject, at: index)
DataStore.shared().setTimezones(defaults)
}
}
extension Date {
func formatter(with format: String, timeZone: String, locale: Locale = Locale(identifier: "en-US")) -> String {
let dateFormatter = DateFormatterManager.dateFormatterWithFormat(with: .medium,
format: format,
timezoneIdentifier: timeZone,
locale: locale)
return dateFormatter.string(from: self)
}
}