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using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Net;
using MediaBrowser.Model.Querying;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using MediaBrowser.Model.Services;
namespace MediaBrowser.Api
{
[Route("/Items/Filters", "GET", Summary = "Gets branding configuration")]
public class GetQueryFilters : IReturn<QueryFilters>
{
/// <summary>
/// Gets or sets the user id.
/// </summary>
/// <value>The user id.</value>
[ApiMember(Name = "UserId", Description = "User Id", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
public string UserId { get; set; }
[ApiMember(Name = "ParentId", Description = "Specify this to localize the search to a specific item or folder. Omit to use the root", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
public string ParentId { get; set; }
[ApiMember(Name = "IncludeItemTypes", Description = "Optional. If specified, results will be filtered based on item type. This allows multiple, comma delimeted.", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET", AllowMultiple = true)]
public string IncludeItemTypes { get; set; }
[ApiMember(Name = "MediaTypes", Description = "Optional filter by MediaType. Allows multiple, comma delimited.", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET", AllowMultiple = true)]
public string MediaTypes { get; set; }
public string[] GetMediaTypes()
{
return (MediaTypes ?? string.Empty).Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
}
public string[] GetIncludeItemTypes()
{
return (IncludeItemTypes ?? string.Empty).Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
}
}
[Authenticated]
public class FilterService : BaseApiService
{
private readonly ILibraryManager _libraryManager;
private readonly IUserManager _userManager;
public FilterService(ILibraryManager libraryManager, IUserManager userManager)
{
_libraryManager = libraryManager;
_userManager = userManager;
}
public object Get(GetQueryFilters request)
{
var parentItem = string.IsNullOrEmpty(request.ParentId) ? null : _libraryManager.GetItemById(request.ParentId);
var user = !string.IsNullOrWhiteSpace(request.UserId) ? _userManager.GetUserById(request.UserId) : null;
var item = string.IsNullOrEmpty(request.ParentId) ?
user == null ? _libraryManager.RootFolder : user.RootFolder :
parentItem;
var result = ((Folder)item).GetItemList(GetItemsQuery(request, user));
return ToOptimizedResult(GetFilters(result));
}
private QueryFilters GetFilters(BaseItem[] items)
{
var result = new QueryFilters();
result.Years = items.Select(i => i.ProductionYear ?? -1)
.Where(i => i > 0)
.Distinct()
.OrderBy(i => i)
.ToArray();
result.Genres = items.SelectMany(i => i.Genres)
.DistinctNames()
.OrderBy(i => i)
.ToArray();
result.Tags = items
.SelectMany(i => i.Tags)
.Distinct(StringComparer.OrdinalIgnoreCase)
.OrderBy(i => i)
.ToArray();
result.OfficialRatings = items
.Select(i => i.OfficialRating)
.Where(i => !string.IsNullOrWhiteSpace(i))
.Distinct(StringComparer.OrdinalIgnoreCase)
.OrderBy(i => i)
.ToArray();
return result;
}
private InternalItemsQuery GetItemsQuery(GetQueryFilters request, User user)
{
var query = new InternalItemsQuery
{
User = user,
MediaTypes = request.GetMediaTypes(),
IncludeItemTypes = request.GetIncludeItemTypes(),
Recursive = true,
EnableTotalRecordCount = false,
DtoOptions = new Controller.Dto.DtoOptions
{
Fields = new ItemFields[] { ItemFields.Genres, ItemFields.Tags },
EnableImages = false,
EnableUserData = false
}
};
return query;
}
}
}
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