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using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using MediaBrowser.Common.Net.Handlers;
using MediaBrowser.Controller;
using MediaBrowser.Model.DTO;
using MediaBrowser.Model.Entities;
namespace MediaBrowser.Api.HttpHandlers
{
public class YearsHandler : BaseJsonHandler<IEnumerable<IBNItem<Year>>>
{
protected override Task<IEnumerable<IBNItem<Year>>> GetObjectToSerialize()
{
Folder parent = ApiService.GetItemById(QueryString["id"]) as Folder;
Guid userId = Guid.Parse(QueryString["userid"]);
User user = Kernel.Instance.Users.First(u => u.Id == userId);
return GetAllYears(parent, user);
}
/// <summary>
/// Gets all years from all recursive children of a folder
/// The CategoryInfo class is used to keep track of the number of times each year appears
/// </summary>
private async Task<IEnumerable<IBNItem<Year>>> GetAllYears(Folder parent, User user)
{
Dictionary<int, int> data = new Dictionary<int, int>();
// Get all the allowed recursive children
IEnumerable<BaseItem> allItems = parent.GetParentalAllowedRecursiveChildren(user);
foreach (var item in allItems)
{
// Add the year from the item to the data dictionary
// If the year already exists, increment the count
if (item.ProductionYear == null)
{
continue;
}
if (!data.ContainsKey(item.ProductionYear.Value))
{
data.Add(item.ProductionYear.Value, 1);
}
else
{
data[item.ProductionYear.Value]++;
}
}
IEnumerable<Year> entities = await Task.WhenAll<Year>(data.Keys.Select(key => { return Kernel.Instance.ItemController.GetYear(key); })).ConfigureAwait(false);
return entities.Select(e => new IBNItem<Year>() { Item = e, BaseItemCount = data[int.Parse(e.Name)] });
}
}
}
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