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using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Entities.TV;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Controller.Providers
{
/// <summary>
/// Class SortNameProvider
/// </summary>
public class SortNameProvider : BaseMetadataProvider
{
/// <summary>
/// Supportses the specified item.
/// </summary>
/// <param name="item">The item.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
public override bool Supports(BaseItem item)
{
return true;
}
/// <summary>
/// Gets the priority.
/// </summary>
/// <value>The priority.</value>
public override MetadataProviderPriority Priority
{
get { return MetadataProviderPriority.Last; }
}
/// <summary>
/// Needses the refresh internal.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="providerInfo">The provider info.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
protected override bool NeedsRefreshInternal(BaseItem item, BaseProviderInfo providerInfo)
{
return !string.IsNullOrEmpty(item.Name) && string.IsNullOrEmpty(item.SortName);
}
/// <summary>
/// Fetches metadata and returns true or false indicating if any work that requires persistence was done
/// </summary>
/// <param name="item">The item.</param>
/// <param name="force">if set to <c>true</c> [force].</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task{System.Boolean}.</returns>
protected override Task<bool> FetchAsyncInternal(BaseItem item, bool force, CancellationToken cancellationToken)
{
return SetSortName(item, cancellationToken) ? TrueTaskResult : FalseTaskResult;
}
/// <summary>
/// Sets the name of the sort.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
protected bool SetSortName(BaseItem item, CancellationToken cancellationToken)
{
if (!string.IsNullOrWhiteSpace(item.SortName)) return false; //let the earlier provider win
cancellationToken.ThrowIfCancellationRequested();
if (item is Episode)
{
//special handling for TV episodes season and episode number
item.SortName = (item.ParentIndexNumber != null ? item.ParentIndexNumber.Value.ToString("000-") : "")
+ (item.IndexNumber != null ? item.IndexNumber.Value.ToString("0000 - ") : "") + item.Name;
}
else if (item is Season)
{
//sort seasons by season number - numerically
item.SortName = item.IndexNumber != null ? item.IndexNumber.Value.ToString("0000") : item.Name;
}
else if (item is Audio)
{
//sort tracks by production year and index no so they will sort in order if in a multi-album list
item.SortName = (item.ProductionYear != null ? item.ProductionYear.Value.ToString("000-") : "")
+ (item.IndexNumber != null ? item.IndexNumber.Value.ToString("0000 - ") : "") + item.Name;
}
else if (item is MusicAlbum)
{
//sort albums by year
item.SortName = item.ProductionYear != null ? item.ProductionYear.Value.ToString("0000") : item.Name;
}
else
{
if (item.Name == null) return false; //some items may not have name filled in properly
var sortable = item.Name.Trim().ToLower();
sortable = Kernel.Instance.Configuration.SortRemoveCharacters.Aggregate(sortable, (current, search) => current.Replace(search.ToLower(), string.Empty));
sortable = Kernel.Instance.Configuration.SortReplaceCharacters.Aggregate(sortable, (current, search) => current.Replace(search.ToLower(), " "));
foreach (var search in Kernel.Instance.Configuration.SortRemoveWords)
{
cancellationToken.ThrowIfCancellationRequested();
var searchLower = search.ToLower();
// Remove from beginning if a space follows
if (sortable.StartsWith(searchLower + " "))
{
sortable = sortable.Remove(0, searchLower.Length + 1);
}
// Remove from middle if surrounded by spaces
sortable = sortable.Replace(" " + searchLower + " ", " ");
// Remove from end if followed by a space
if (sortable.EndsWith(" " + searchLower))
{
sortable = sortable.Remove(sortable.Length - (searchLower.Length + 1));
}
}
item.SortName = sortable;
}
return true;
}
}
}
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