src/Files.App/Services/DateTimeFormatter/ApplicationDateTimeFormatter.cs - main - githubmirror/Files

src/Files.App/Services/DateTimeFormatter/ApplicationDateTimeFormatter.cs
80 строк3 KB
Yair
Code Quality: Replaced localized strings with constants
25 мар 2025, 06:30
25 мар 2025, 06:303df6c02
// Copyright (c) Files Community
// Licensed under the MIT License.

using System.Text;

namespace Files.App.Services.DateTimeFormatter
{
	/// <summary>
	/// Represents service for application-specific <see cref=“DateTimeOffset”/> formatter.
	/// </summary>
	internal sealed class ApplicationDateTimeFormatter : AbstractDateTimeFormatter
	{
		/// <summary>
		/// Gets the name of the formatter.
		/// </summary>
		public override string Name
			=> Strings.Application.GetLocalizedResource();

		/// <summary>
		/// Converts the provided <see cref="DateTimeOffset"/> to a short label.
		/// </summary>
		/// <param name="offset">The <see cref="DateTimeOffset"/> to convert.</param>
		/// <returns>The short label representation of the provided <see cref="DateTimeOffset"/>.</returns>
		public override string ToShortLabel(DateTimeOffset offset)
		{
			// Check if the year is out of the valid range
			if (offset.Year is <= 1601 or >= 9999)
				return " ";

			var elapsed = DateTimeOffset.Now - offset;

			// Select label based on elapsed time
			return elapsed switch
			{
				{ TotalDays: >= 7 } => ToString(offset, "D"),
				{ TotalDays: >= 2 } => string.Format(Strings.DaysAgo_Plural.GetLocalizedResource(), elapsed.Days),
				{ TotalDays: >= 1 } => Strings.DaysAgo_Singular.GetLocalizedResource(),
				{ TotalHours: >= 2 } => string.Format(Strings.HoursAgo_Plural.GetLocalizedResource(), elapsed.Hours),
				{ TotalHours: >= 1 } => Strings.HoursAgo_Singular.GetLocalizedResource(),
				{ TotalMinutes: >= 2 } => string.Format(Strings.MinutesAgo_Plural.GetLocalizedResource(), elapsed.Minutes),
				{ TotalMinutes: >= 1 } => Strings.MinutesAgo_Singular.GetLocalizedResource(),
				{ TotalSeconds: >= 2 } => string.Format(Strings.SecondsAgo_Plural.GetLocalizedResource(), elapsed.Seconds),
				{ TotalSeconds: >= 1 } => Strings.SecondsAgo_Singular.GetLocalizedResource(),
				{ TotalSeconds: >= 0 } => Strings.Now.GetLocalizedResource(),
				_ => ToString(offset, "D"),
			};
		}

		/// <summary>
		/// Converts the provided <see cref="DateTimeOffset"/> to a long label.
		/// </summary>
		/// <param name="offset">The <see cref="DateTimeOffset"/> to convert.</param>
		/// <returns>The long label representation of the provided <see cref="DateTimeOffset"/>.</returns>
		public override string ToLongLabel(DateTimeOffset offset)
		{
			// Check if the year is out of the valid range
			if (offset.Year is <= 1601 or >= 9999)
				return " ";

			var elapsed = DateTimeOffset.Now - offset;
			var date = ToString(offset, "D");
			var time = ToString(offset, "t");

			if (elapsed.TotalDays < 7 && elapsed.TotalSeconds >= 0)
			{
				// Use StringBuilder for efficient string concatenation
				var buffer = new StringBuilder(date.Length + time.Length + 10);
				_ = buffer.Append(date).Append(' ').Append(time).Append(' ').Append(ToShortLabel(offset));
				return buffer.ToString();
			}
			else
			{
				// Use StringBuilder for efficient string concatenation
				var buffer = new StringBuilder(date.Length + time.Length);
				_ = buffer.Append(date).Append(' ').Append(time);
				return buffer.ToString();
			}
		}
	}
}