diff options
Diffstat (limited to 'MediaBrowser.Controller/Sorting/BaseItemComparer.cs')
| -rw-r--r-- | MediaBrowser.Controller/Sorting/BaseItemComparer.cs | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/MediaBrowser.Controller/Sorting/BaseItemComparer.cs b/MediaBrowser.Controller/Sorting/BaseItemComparer.cs deleted file mode 100644 index 94c16775d..000000000 --- a/MediaBrowser.Controller/Sorting/BaseItemComparer.cs +++ /dev/null @@ -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; - } - } -} |