| | | 1 | | // ----------------------------------------------------------------------- |
| | | 2 | | // <copyright file="TimeConverter.cs" company="Stéphane ANDRE"> |
| | | 3 | | // Copyright (c) Stéphane ANDRE. All rights reserved. |
| | | 4 | | // </copyright> |
| | | 5 | | // ----------------------------------------------------------------------- |
| | | 6 | | |
| | | 7 | | using System; |
| | | 8 | | using MyNet.Primitives.Temporal; |
| | | 9 | | |
| | | 10 | | namespace MyNet.Primitives.Conversion; |
| | | 11 | | |
| | | 12 | | /// <summary> |
| | | 13 | | /// Provides conversion between time units using shared calendar constants for week, month and year. |
| | | 14 | | /// </summary> |
| | | 15 | | public sealed class TimeConverter : IUnitConverter<TimeUnit> |
| | | 16 | | { |
| | | 17 | | public double Convert(double value, TimeUnit from, TimeUnit to) |
| | | 18 | | { |
| | 18 | 19 | | var fromFactor = GetMillisecondsFactor(from); |
| | 18 | 20 | | var toFactor = GetMillisecondsFactor(to); |
| | | 21 | | |
| | 18 | 22 | | return value * fromFactor / toFactor; |
| | | 23 | | } |
| | | 24 | | |
| | 36 | 25 | | private static double GetMillisecondsFactor(TimeUnit unit) => unit switch |
| | 36 | 26 | | { |
| | 3 | 27 | | TimeUnit.Millisecond => 1d, |
| | 9 | 28 | | TimeUnit.Second => 1000d, |
| | 12 | 29 | | TimeUnit.Minute => 60d * 1000d, |
| | 9 | 30 | | TimeUnit.Hour => 60d * 60d * 1000d, |
| | 3 | 31 | | TimeUnit.Day => 24d * 60d * 60d * 1000d, |
| | 0 | 32 | | TimeUnit.Week => DateTimeHelper.DaysPerWeek * 24d * 60d * 60d * 1000d, |
| | 0 | 33 | | TimeUnit.Month => DateTimeHelper.DaysPerMonth * 24d * 60d * 60d * 1000d, |
| | 0 | 34 | | TimeUnit.Year => DateTimeHelper.DaysPerYear * 24d * 60d * 60d * 1000d, |
| | 0 | 35 | | _ => throw new ArgumentOutOfRangeException(nameof(unit), unit, "Unsupported time unit.") |
| | 36 | 36 | | }; |
| | | 37 | | } |
| | | 38 | | |