jellyfin/MediaBrowser.Api/SuggestionsService.cs

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C#
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using System;
using System.Linq;
using MediaBrowser.Controller.Dto;
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using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.Net;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Querying;
using MediaBrowser.Model.Services;
namespace MediaBrowser.Api
{
[Route("/Users/{UserId}/Suggestions", "GET", Summary = "Gets items based on a query.")]
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public class GetSuggestedItems : IReturn<QueryResult<BaseItemDto>>
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{
public string MediaType { get; set; }
public string Type { get; set; }
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public Guid UserId { get; set; }
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public bool EnableTotalRecordCount { get; set; }
public int? StartIndex { get; set; }
public int? Limit { get; set; }
public string[] GetMediaTypes()
{
return (MediaType ?? string.Empty).Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
}
public string[] GetIncludeItemTypes()
{
return (Type ?? string.Empty).Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
}
}
public class SuggestionsService : BaseApiService
{
private readonly IDtoService _dtoService;
private readonly IAuthorizationContext _authContext;
private readonly IUserManager _userManager;
private readonly ILibraryManager _libraryManager;
public SuggestionsService(IDtoService dtoService, IAuthorizationContext authContext, IUserManager userManager, ILibraryManager libraryManager)
{
_dtoService = dtoService;
_authContext = authContext;
_userManager = userManager;
_libraryManager = libraryManager;
}
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public object Get(GetSuggestedItems request)
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{
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return GetResultItems(request);
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}
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private QueryResult<BaseItemDto> GetResultItems(GetSuggestedItems request)
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{
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var user = !request.UserId.Equals(Guid.Empty) ? _userManager.GetUserById(request.UserId) : null;
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var dtoOptions = GetDtoOptions(_authContext, request);
var result = GetItems(request, user, dtoOptions);
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var dtoList = _dtoService.GetBaseItemDtos(result.Items, dtoOptions, user);
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if (dtoList == null)
{
throw new InvalidOperationException("GetBaseItemDtos returned null");
}
return new QueryResult<BaseItemDto>
{
TotalRecordCount = result.TotalRecordCount,
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Items = dtoList
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};
}
private QueryResult<BaseItem> GetItems(GetSuggestedItems request, User user, DtoOptions dtoOptions)
{
return _libraryManager.GetItemsResult(new InternalItemsQuery(user)
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{
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OrderBy = new[] { ItemSortBy.Random }.Select(i => new ValueTuple<string, SortOrder>(i, SortOrder.Descending)).ToArray(),
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MediaTypes = request.GetMediaTypes(),
IncludeItemTypes = request.GetIncludeItemTypes(),
IsVirtualItem = false,
StartIndex = request.StartIndex,
Limit = request.Limit,
DtoOptions = dtoOptions,
EnableTotalRecordCount = request.EnableTotalRecordCount,
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Recursive = true
});
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}
}
}