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78 lines
2.6 KiB
C#
78 lines
2.6 KiB
C#
using MediaBrowser.Common.Net.Handlers;
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using MediaBrowser.Controller;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Model.DTO;
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using System.Collections.Generic;
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using System.ComponentModel.Composition;
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using System.Linq;
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using System.Net;
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using System.Threading.Tasks;
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namespace MediaBrowser.Api.HttpHandlers
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{
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[Export(typeof(BaseHandler))]
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public class GenresHandler : BaseSerializationHandler<IBNItem[]>
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{
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public override bool HandlesRequest(HttpListenerRequest request)
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{
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return ApiService.IsApiUrlMatch("genres", request);
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}
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protected override Task<IBNItem[]> GetObjectToSerialize()
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{
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Folder parent = ApiService.GetItemById(QueryString["id"]) as Folder;
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User user = ApiService.GetUserById(QueryString["userid"], true);
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return GetAllGenres(parent, user);
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}
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/// <summary>
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/// Gets all genres from all recursive children of a folder
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/// The CategoryInfo class is used to keep track of the number of times each genres appears
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/// </summary>
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private async Task<IBNItem[]> GetAllGenres(Folder parent, User user)
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{
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Dictionary<string, int> data = new Dictionary<string, int>();
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// Get all the allowed recursive children
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IEnumerable<BaseItem> allItems = parent.GetParentalAllowedRecursiveChildren(user);
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foreach (var item in allItems)
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{
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// Add each genre from the item to the data dictionary
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// If the genre already exists, increment the count
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if (item.Genres == null)
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{
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continue;
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}
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foreach (string val in item.Genres)
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{
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if (!data.ContainsKey(val))
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{
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data.Add(val, 1);
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}
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else
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{
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data[val]++;
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}
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}
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}
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// Get the Genre objects
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Genre[] entities = await Task.WhenAll(data.Keys.Select(key => { return Kernel.Instance.ItemController.GetGenre(key); })).ConfigureAwait(false);
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// Convert to an array of IBNItem
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IBNItem[] items = new IBNItem[entities.Length];
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for (int i = 0; i < entities.Length; i++)
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{
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Genre e = entities[i];
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items[i] = ApiService.GetIBNItem(e, data[e.Name]);
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}
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return items;
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}
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}
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}
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