alteropen/jellyfin
1
0
Fork 0
mirror of https://github.com/jellyfin/jellyfin.git synced 2026-01-15 23:58:57 +00:00
Code Issues Actions 8 Packages Projects Releases Wiki Activity

unified the two sorting api's

Browse Source
This commit is contained in:
LukePulverenti
2013-03-09 23:22:36 -05:00
parent 913cb3c564
commit 31d079f1ba
30 changed files with 676 additions and 660 deletions
Download Patch File Download Diff File Expand all files Collapse all files

248
MediaBrowser.Controller/Sorting/BaseItemComparer.cs
View File

@@ -1,248 +0,0 @@
using MediaBrowser.Controller.Entities;
using MediaBrowser.Model.Logging;
using System;
using System.Collections.Generic;
namespace MediaBrowser.Controller.Sorting {
/// <summary>
/// Class BaseItemComparer
/// </summary>
public class BaseItemComparer : IComparer<BaseItem> {
/// <summary>
/// The _order
/// </summary>
private readonly SortOrder _order;
/// <summary>
/// The _property name
/// </summary>
private readonly string _propertyName;
/// <summary>
/// The _compare culture
/// </summary>
private readonly StringComparison _compareCulture = StringComparison.CurrentCultureIgnoreCase;
/// <summary>
/// Gets or sets the logger.
/// </summary>
/// <value>The logger.</value>
private ILogger Logger { get; set; }
/// <summary>
/// Initializes a new instance of the <see cref="BaseItemComparer" /> class.
/// </summary>
/// <param name="order">The order.</param>
/// <param name="logger">The logger.</param>
public BaseItemComparer(SortOrder order, ILogger logger) {
_order = order;
Logger = logger;
}
/// <summary>
/// Initializes a new instance of the <see cref="BaseItemComparer" /> class.
/// </summary>
/// <param name="order">The order.</param>
/// <param name="compare">The compare.</param>
/// <param name="logger">The logger.</param>
public BaseItemComparer(SortOrder order, StringComparison compare, ILogger logger)
{
_order = order;
_compareCulture = compare;
Logger = logger;
}
/// <summary>
/// Initializes a new instance of the <see cref="BaseItemComparer" /> class.
/// </summary>
/// <param name="property">The property.</param>
/// <param name="logger">The logger.</param>
public BaseItemComparer(string property, ILogger logger)
{
_order = SortOrder.Custom;
_propertyName = property;
Logger = logger;
}
/// <summary>
/// Initializes a new instance of the <see cref="BaseItemComparer" /> class.
/// </summary>
/// <param name="property">The property.</param>
/// <param name="compare">The compare.</param>
/// <param name="logger">The logger.</param>
public BaseItemComparer(string property, StringComparison compare, ILogger logger)
{
_order = SortOrder.Custom;
_propertyName = property;
_compareCulture = compare;
Logger = logger;
}
#region IComparer<BaseItem> Members
/// <summary>
/// Compares the specified x.
/// </summary>
/// <param name="x">The x.</param>
/// <param name="y">The y.</param>
/// <returns>System.Int32.</returns>
public int Compare(BaseItem x, BaseItem y) {
int compare = 0;
switch (_order) {
case SortOrder.Date:
compare = -x.DateCreated.CompareTo(y.DateCreated);
break;
case SortOrder.Year:
var xProductionYear = x.ProductionYear ?? 0;
var yProductionYear = y.ProductionYear ?? 0;
compare = yProductionYear.CompareTo(xProductionYear);
break;
case SortOrder.Rating:
var xRating = x.CommunityRating ?? 0;
var yRating = y.CommunityRating ?? 0;
compare = yRating.CompareTo(xRating);
break;
case SortOrder.Runtime:
var xRuntime = x.RunTimeTicks ?? 0;
var yRuntime = y.RunTimeTicks ?? 0;
compare = xRuntime.CompareTo(yRuntime);
break;
case SortOrder.Custom:
Logger.Debug("Sorting on custom field " + _propertyName);
var yProp = y.GetType().GetProperty(_propertyName);
var xProp = x.GetType().GetProperty(_propertyName);
if (yProp == null || xProp == null) break;
var yVal = yProp.GetValue(y, null);
var xVal = xProp.GetValue(x,null);
if (yVal == null && xVal == null) break;
if (yVal == null) return 1;
if (xVal == null) return -1;
compare = String.Compare(xVal.ToString(), yVal.ToString(),_compareCulture);
break;
default:
compare = 0;
break;
}
if (compare == 0) {
var name1 = x.SortName ?? x.Name ?? "";
var name2 = y.SortName ?? y.Name ?? "";
//if (Config.Instance.EnableAlphanumericSorting)
compare = AlphaNumericCompare(name1, name2,_compareCulture);
//else
// compare = String.Compare(name1,name2,_compareCulture);
}
return compare;
}
#endregion
/// <summary>
/// Alphas the numeric compare.
/// </summary>
/// <param name="s1">The s1.</param>
/// <param name="s2">The s2.</param>
/// <param name="compareCulture">The compare culture.</param>
/// <returns>System.Int32.</returns>
private int AlphaNumericCompare(string s1, string s2, StringComparison compareCulture) {
// http://dotnetperls.com/Content/Alphanumeric-Sorting.aspx
int len1 = s1.Length;
int len2 = s2.Length;
int marker1 = 0;
int marker2 = 0;
// Walk through two the strings with two markers.
while (marker1 < len1 && marker2 < len2) {
char ch1 = s1[marker1];
char ch2 = s2[marker2];
// Some buffers we can build up characters in for each chunk.
var space1 = new char[len1];
var loc1 = 0;
var space2 = new char[len2];
var loc2 = 0;
// Walk through all following characters that are digits or
// characters in BOTH strings starting at the appropriate marker.
// Collect char arrays.
do {
space1[loc1++] = ch1;
marker1++;
if (marker1 < len1) {
ch1 = s1[marker1];
} else {
break;
}
} while (char.IsDigit(ch1) == char.IsDigit(space1[0]));
do {
space2[loc2++] = ch2;
marker2++;
if (marker2 < len2) {
ch2 = s2[marker2];
} else {
break;
}
} while (char.IsDigit(ch2) == char.IsDigit(space2[0]));
// If we have collected numbers, compare them numerically.
// Otherwise, if we have strings, compare them alphabetically.
var str1 = new string(space1);
var str2 = new string(space2);
var result = 0;
//biggest int - 2147483647
if (char.IsDigit(space1[0]) && char.IsDigit(space2[0]) /*&& str1.Length < 10 && str2.Length < 10*/) //this assumed the entire string was a number...
{
int thisNumericChunk;
var isValid = false;
if (int.TryParse(str1.Substring(0, str1.Length > 9 ? 10 : str1.Length), out thisNumericChunk))
{
int thatNumericChunk;
if (int.TryParse(str2.Substring(0, str2.Length > 9 ? 10 : str2.Length), out thatNumericChunk))
{
isValid = true;
result = thisNumericChunk.CompareTo(thatNumericChunk);
}
}
if (!isValid)
{
Logger.Error("Error comparing numeric strings: " + str1 + "/" + str2);
result = String.Compare(str1, str2, compareCulture);
}
} else {
result = String.Compare(str1,str2,compareCulture);
}
if (result != 0) {
return result;
}
}
return len1 - len2;
}
}
}

17
MediaBrowser.Controller/Sorting/IBaseItemComparer.cs Normal file
View File

@@ -0,0 +1,17 @@
using MediaBrowser.Controller.Entities;
using System.Collections.Generic;
namespace MediaBrowser.Controller.Sorting
{
/// <summary>
/// Interface IBaseItemComparer
/// </summary>
public interface IBaseItemComparer : IComparer<BaseItem>
{
/// <summary>
/// Gets the name.
/// </summary>
/// <value>The name.</value>
string Name { get; }
}
}

16
MediaBrowser.Controller/Sorting/IUserBaseItemComparer.cs Normal file
View File

@@ -0,0 +1,16 @@
using MediaBrowser.Controller.Entities;
namespace MediaBrowser.Controller.Sorting
{
/// <summary>
/// Represents a BaseItem comparer that requires a User to perform it's comparison
/// </summary>
public interface IUserBaseItemComparer : IBaseItemComparer
{
/// <summary>
/// Gets or sets the user.
/// </summary>
/// <value>The user.</value>
User User { get; set; }
}
}

33
MediaBrowser.Controller/Sorting/SortOrder.cs
View File

@@ -1,33 +0,0 @@

namespace MediaBrowser.Controller.Sorting {
/// <summary>
/// Enum SortOrder
/// </summary>
public enum SortOrder {
/// <summary>
/// Sort by name
/// </summary>
Name,
/// <summary>
/// Sort by date added to the library
/// </summary>
Date,
/// <summary>
/// Sort by community rating
/// </summary>
Rating,
/// <summary>
/// Sort by runtime
/// </summary>
Runtime,
/// <summary>
/// Sort by year
/// </summary>
Year,
/// <summary>
/// Custom sort order added by plugins
/// </summary>
Custom
}
}