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using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using ServiceStack.ServiceHost;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
namespace MediaBrowser.Api.UserLibrary
{
/// <summary>
/// Class GetPersons
/// </summary>
[Route("/Users/{UserId}/Items/{ParentId}/Persons", "GET")]
[Route("/Users/{UserId}/Items/Root/Persons", "GET")]
[Api(Description = "Gets all persons from a given item, folder, or the entire library")]
public class GetPersons : GetItemsByName
{
/// <summary>
/// Gets or sets the person types.
/// </summary>
/// <value>The person types.</value>
public string PersonTypes { get; set; }
}
/// <summary>
/// Class PersonsService
/// </summary>
public class PersonsService : BaseItemsByNameService<Person>
{
public PersonsService(IUserManager userManager, ILibraryManager libraryManager)
: base(userManager, libraryManager)
{
}
/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Get(GetPersons request)
{
var result = GetResult(request).Result;
return ToOptimizedResult(result);
}
/// <summary>
/// Gets all items.
/// </summary>
/// <param name="request">The request.</param>
/// <param name="items">The items.</param>
/// <param name="user">The user.</param>
/// <returns>IEnumerable{Tuple{System.StringFunc{System.Int32}}}.</returns>
protected override IEnumerable<Tuple<string, Func<IEnumerable<BaseItem>>>> GetAllItems(GetItemsByName request, IEnumerable<BaseItem> items, User user)
{
var inputPersonTypes = ((GetPersons) request).PersonTypes;
var personTypes = string.IsNullOrEmpty(inputPersonTypes) ? new string[] { } : inputPersonTypes.Split(',');
var itemsList = items.Where(i => i.People != null).ToList();
// Either get all people, or all people filtered by a specific person type
var allPeople = GetAllPeople(itemsList, personTypes);
return allPeople
.Select(i => i.Name)
.Distinct(StringComparer.OrdinalIgnoreCase)
.Select(name => new Tuple<string, Func<IEnumerable<BaseItem>>>(name, () =>
{
if (personTypes.Length == 0)
{
return itemsList.Where(i => i.People.Any(p => p.Name.Equals(name, StringComparison.OrdinalIgnoreCase)));
}
return itemsList.Where(i => i.People.Any(p => p.Name.Equals(name, StringComparison.OrdinalIgnoreCase) && personTypes.Contains(p.Type ?? string.Empty, StringComparer.OrdinalIgnoreCase)));
})
);
}
/// <summary>
/// Gets all people.
/// </summary>
/// <param name="itemsList">The items list.</param>
/// <param name="personTypes">The person types.</param>
/// <returns>IEnumerable{PersonInfo}.</returns>
private IEnumerable<PersonInfo> GetAllPeople(IEnumerable<BaseItem> itemsList, string[] personTypes)
{
var people = itemsList.SelectMany(i => i.People.OrderBy(p => p.Type));
return personTypes.Length == 0 ?
people :
people.Where(p => personTypes.Contains(p.Type ?? string.Empty, StringComparer.OrdinalIgnoreCase));
}
/// <summary>
/// Gets the entity.
/// </summary>
/// <param name="name">The name.</param>
/// <returns>Task{Genre}.</returns>
protected override Task<Person> GetEntity(string name)
{
return LibraryManager.GetPerson(name);
}
}
}
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