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Add clock entry using Measurement #10
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aranasaurus
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felix-dumit:felixdumit-clock
Dec 28, 2016
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81 changes: 81 additions & 0 deletions
81
CodeChallenge/Challenges/Clock/Entries/felixdumitClockEntry.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| // | ||
| // felixdumitClockEntry.swift | ||
| // CodeChallenge | ||
| // | ||
| // Created by Felix Dumit on 12/22/16. | ||
| // Copyright © 2016 iosdevelopers. All rights reserved. | ||
| // | ||
|
|
||
| import Foundation | ||
|
|
||
| private var dateFormatter: DateFormatter = { | ||
| let df = DateFormatter() | ||
| df.dateFormat = "HH:mm:ss" | ||
| return df | ||
| }() | ||
|
|
||
| let felixdumitClockEntry = CodeChallengeEntry<ClockChallenge>(name: "felix-dumit") { input in | ||
| if #available(iOS 10.0, *) { | ||
|
|
||
| guard let date = dateFormatter.date(from: input) else { | ||
| fatalError("bad input") | ||
| } | ||
|
|
||
| func duration(for component: Calendar.Component) -> Measurement<UnitDuration> { | ||
| let cmp = NSCalendar.current.component(component, from: date) | ||
| return Measurement<UnitDuration>(value: Double(cmp), unit: component.durationUnit!) | ||
| } | ||
|
|
||
| let totalDuration = duration(for: .hour) + duration(for: .minute) + duration(for: .second) | ||
|
|
||
| func clockAngle(unit: UnitDuration) -> Int { | ||
| let percent = (totalDuration % unit.durationForClockFullTurn) / unit.durationForClockFullTurn | ||
| return Int(360 * percent) | ||
| } | ||
|
|
||
| return (clockAngle(unit: .hours), clockAngle(unit: .minutes), clockAngle(unit: .seconds)) | ||
|
|
||
| } else { | ||
| return brandonShegaClockEntry.block(input) | ||
| } | ||
| } | ||
|
|
||
| @available(iOS 10.0, *) | ||
| private func /<D:Dimension>(lhs: Measurement<D>, rhs: Measurement<D>) -> Double { | ||
| return lhs.converted(to: D.baseUnit()).value / rhs.converted(to: D.baseUnit()).value | ||
| } | ||
|
|
||
| @available(iOS 10.0, *) | ||
| private func %<D:Dimension>(lhs: Measurement<D>, rhs: Measurement<D>) -> Measurement<D> { | ||
| let value = lhs.converted(to: D.baseUnit()).value | ||
| .truncatingRemainder(dividingBy: rhs.converted(to: D.baseUnit()).value) | ||
| return Measurement(value: value, unit: D.baseUnit()) | ||
| } | ||
|
|
||
| @available(iOS 10.0, *) | ||
| private extension UnitDuration { | ||
| var durationForClockFullTurn: Measurement<UnitDuration> { | ||
| switch self { | ||
| case UnitDuration.hours: | ||
| return Measurement<UnitDuration>(value:12, unit: .hours) | ||
| case UnitDuration.minutes: | ||
| return Measurement<UnitDuration>(value:1, unit: .hours) | ||
| case UnitDuration.seconds: | ||
| return Measurement<UnitDuration>(value: 1, unit: .minutes) | ||
| default: //should not happen | ||
| return Measurement<UnitDuration>(value: 0, unit: .seconds) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @available(iOS 10.0, *) | ||
| private extension Calendar.Component { | ||
| var durationUnit: UnitDuration? { | ||
| switch self { | ||
| case .hour: return .hours | ||
| case .minute: return .minutes | ||
| case .second: return .seconds | ||
| default: return nil | ||
| } | ||
| } | ||
| } | ||
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mmm... Maybe a
fatalErrorhere instead of returning someone else's solution?There was a problem hiding this comment.
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☝️
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Ok just updated it ;)