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using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Net;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Querying;
using MediaBrowser.Model.Services;
using System;
using System.Linq;
using System.Threading.Tasks;
using MediaBrowser.Controller.Library;
namespace MediaBrowser.Api
{
[Route("/Users/{UserId}/Suggestions", "GET", Summary = "Gets items based on a query.")]
[Route("/Users/{UserId}/Suggestions", "POST", Summary = "Gets items based on a query.")]
public class GetSuggestedItems : IReturn<QueryResult<BaseItem>>
{
public string MediaType { get; set; }
public string Type { get; set; }
public string UserId { get; set; }
public bool EnableTotalRecordCount { get; set; }
public int? StartIndex { get; set; }
public int? Limit { get; set; }
public string Name { 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;
}
public async Task<object> Get(GetSuggestedItems request)
{
var result = await GetResultItems(request).ConfigureAwait(false);
return ToOptimizedResult(result);
}
public async Task<object> Post(GetSuggestedItems request)
{
var result = await GetResultItems(request).ConfigureAwait(false);
return ToOptimizedResult(result);
}
private async Task<QueryResult<BaseItemDto>> GetResultItems(GetSuggestedItems request)
{
var user = !string.IsNullOrWhiteSpace(request.UserId) ? _userManager.GetUserById(request.UserId) : null;
var dtoOptions = GetDtoOptions(_authContext, request);
var result = GetItems(request, user, dtoOptions);
var dtoList = await _dtoService.GetBaseItemDtos(result.Items, dtoOptions, user).ConfigureAwait(false);
if (dtoList == null)
{
throw new InvalidOperationException("GetBaseItemDtos returned null");
}
return new QueryResult<BaseItemDto>
{
TotalRecordCount = result.TotalRecordCount,
Items = dtoList.ToArray()
};
}
private QueryResult<BaseItem> GetItems(GetSuggestedItems request, User user, DtoOptions dtoOptions)
{
BaseItem similarToItem = null;
if (!string.IsNullOrWhiteSpace(request.Name))
{
// get item by name, then get similar items from that
similarToItem = _libraryManager.GetItemList(new InternalItemsQuery(user)
{
SortBy = new string[] {ItemSortBy.Random},
MediaTypes = request.GetMediaTypes(),
IncludeItemTypes = request.GetIncludeItemTypes(),
IsVirtualItem = false,
Name = request.Name,
Recursive = true,
Limit = 1
}).FirstOrDefault();
if (similarToItem == null)
{
return new QueryResult<BaseItem>();
}
}
return _libraryManager.GetItemsResult(new InternalItemsQuery(user)
{
SortBy = new string[] { ItemSortBy.Random },
MediaTypes = request.GetMediaTypes(),
IncludeItemTypes = request.GetIncludeItemTypes(),
IsVirtualItem = false,
StartIndex = request.StartIndex,
Limit = request.Limit,
DtoOptions = dtoOptions,
EnableTotalRecordCount = request.EnableTotalRecordCount,
Recursive = true,
SimilarTo = similarToItem
});
}
}
}
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