downkyi/DownKyi.Core/BiliApi/Favorites/FavoritesInfo.cs

using DownKyi.Core.BiliApi.Favorites.Models;
using DownKyi.Core.Logging;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;

namespace DownKyi.Core.BiliApi.Favorites
{
    public static class FavoritesInfo
    {

        /// <summary>
        /// 获取收藏夹元数据
        /// </summary>
        /// <param name="mediaId"></param>
        public static FavoritesMetaInfo GetFavoritesInfo(long mediaId)
        {
            string url = $"https://api.bilibili.com/x/v3/fav/folder/info?media_id={mediaId}";
            string referer = "https://www.bilibili.com";
            string response = WebClient.RequestWeb(url, referer);

            try
            {
                var info = JsonConvert.DeserializeObject<FavoritesMetaInfoOrigin>(response);
                if (info != null) { return info.Data; }
                else { return null; }
            }
            catch (Exception e)
            {
                Utils.Debugging.Console.PrintLine("GetFavoritesInfo()发生异常: {0}", e);
                LogManager.Error("FavoritesInfo", e);
                return null;
            }
        }

        /// <summary>
        /// 查询用户创建的视频收藏夹
        /// </summary>
        /// <param name="mid">目标用户UID</param>
        /// <param name="pn">页码</param>
        /// <param name="ps">每页项数</param>
        /// <returns></returns>
        public static List<FavoritesMetaInfo> GetCreatedFavorites(long mid, int pn, int ps)
        {
            string url = $"https://api.bilibili.com/x/v3/fav/folder/created/list?up_mid={mid}&pn={pn}&ps={ps}";
            string referer = "https://www.bilibili.com";
            string response = WebClient.RequestWeb(url, referer);

            try
            {
                var favorites = JsonConvert.DeserializeObject<FavoritesListOrigin>(response);
                if (favorites == null || favorites.Data == null || favorites.Data.List == null)
                { return null; }
                return favorites.Data.List;
            }
            catch (Exception e)
            {
                Utils.Debugging.Console.PrintLine("GetCreatedFavorites()发生异常: {0}", e);
                LogManager.Error("FavoritesInfo", e);
                return null;
            }
        }

        /// <summary>
        /// 查询所有的用户创建的视频收藏夹
        /// </summary>
        /// <param name="mid">目标用户UID</param>
        /// <returns></returns>
        public static List<FavoritesMetaInfo> GetAllCreatedFavorites(long mid)
        {
            List<FavoritesMetaInfo> result = new List<FavoritesMetaInfo>();

            int i = 0;
            while (true)
            {
                i++;
                int ps = 50;

                var data = GetCreatedFavorites(mid, i, ps);
                if (data == null || data.Count == 0)
                { break; }

                result.AddRange(data);
            }
            return result;
        }

        /// <summary>
        /// 查询用户收藏的视频收藏夹
        /// </summary>
        /// <param name="mid">目标用户UID</param>
        /// <param name="pn">页码</param>
        /// <param name="ps">每页项数</param>
        /// <returns></returns>
        public static List<FavoritesMetaInfo> GetCollectedFavorites(long mid, int pn, int ps)
        {
            string url = $"https://api.bilibili.com/x/v3/fav/folder/collected/list?up_mid={mid}&pn={pn}&ps={ps}";
            string referer = "https://www.bilibili.com";
            string response = WebClient.RequestWeb(url, referer);

            try
            {
                var favorites = JsonConvert.DeserializeObject<FavoritesListOrigin>(response);
                if (favorites == null || favorites.Data == null || favorites.Data.List == null)
                { return null; }
                return favorites.Data.List;
            }
            catch (Exception e)
            {
                Utils.Debugging.Console.PrintLine("GetCollectedFavorites()发生异常: {0}", e);
                LogManager.Error("FavoritesInfo", e);
                return null;
            }
        }

        /// <summary>
        /// 查询所有的用户收藏的视频收藏夹
        /// </summary>
        /// <param name="mid">目标用户UID</param>
        /// <returns></returns>
        public static List<FavoritesMetaInfo> GetAllCollectedFavorites(long mid)
        {
            List<FavoritesMetaInfo> result = new List<FavoritesMetaInfo>();

            int i = 0;
            while (true)
            {
                i++;
                int ps = 50;

                var data = GetCollectedFavorites(mid, i, ps);
                if (data == null || data.Count == 0)
                { break; }

                result.AddRange(data);
            }
            return result;
        }


    }
}