Learn.VideoAnalysis/VideoAnalysisCore/Controllers/LJZK_Controller.cs

using VideoAnalysisCore.Common;
using Microsoft.AspNetCore.Mvc;
using System.Reflection;
using MapsterMapper;
using Mapster;
using VideoAnalysisCore.AICore.SherpaOnnx;
using UserCenter.Model.Enum;
using VideoAnalysisCore.AICore.GPT.ChatGPT;
using VideoAnalysisCore.AICore.GPT;
using System.Text.Json;
using Microsoft.AspNetCore.Authorization;
using VideoAnalysisCore.Model.Enum;
using FFmpeg.NET.Services;
using static FFmpeg.NET.MetaData;
using static System.Runtime.InteropServices.JavaScript.JSType;
using Yitter.IdGenerator;
using VideoAnalysisCore.AICore.GPT.Dto;
using VideoAnalysisCore.Model;
using VideoAnalysisCore.Controllers.Dto;

namespace VideoAnalysisCore.Controllers
{
    /// <summary>
    /// 蓝鲸字库接口
    /// </summary>
    [ApiController]
    [Route("LJZK/[action]")]
    public class LJZK_Controller : ControllerBase
    {
        private readonly IMapper mp;
        private readonly Repository<NodeSubscription> nodesubscriptionDB;
        private readonly Repository<VideoTask> videoTaskDB;
        private readonly Repository<VideoKonwPoint> videoKonwPointDB;
        private readonly Repository<NodePackageInfo> nodePackageInfoDB;
        public LJZK_Controller( IMapper mp, Repository<NodeSubscription> nodesubscriptionDB,
            Repository<VideoTask> videoTaskDB = null, Repository<VideoKonwPoint> videoKonwPointDB = null
            , Repository<NodePackageInfo> nodePackageInfoDB = null)
        {
            this.mp = mp;
            this.nodesubscriptionDB = nodesubscriptionDB;
            this.videoTaskDB = videoTaskDB;
            this.videoKonwPointDB = videoKonwPointDB;
            this.nodePackageInfoDB = nodePackageInfoDB;
        }



        /// <summary>
        /// 蓝鲸智库_文件包订阅
        /// </summary>
        /// <param name="reqArr">请求体</param>
        /// <returns></returns>
        [HttpPost(Name = "NodePackage")]
        public async Task<IActionResult> NodePackage(NodePackageReq[] reqArr)
        {
            Console.WriteLine($"{DateTime.Now}  文件包订阅请求 req=" + reqArr.ToJson());
            if (reqArr is null || reqArr.Count() == 0)
                return BadRequest("无效视频列表数据");
            var videos = new List<VideoTask>(reqArr.Count());
            var nodePackages = new List<NodePackageInfo>(reqArr.Count());
            var videoIdArr = videoTaskDB.AsQueryable().Select(v => v.TagId).Distinct().ToArray();
            foreach (var sGroup in reqArr.GroupBy(s=>s.ContentId))
            {
                var  s= sGroup.First(s=>s.VideoType==VideoType.摄像头);
                var  sPPT= sGroup.FirstOrDefault(s=>s.VideoType==VideoType.PPT课件);
                var np = new NodePackageInfo()
                {
                    VideoCode = s.VideoCode,
                    MaterialId = s.MaterialId,
                    AttachmentId = s.AttachmentId,
                    Stage = s.StageId,
                    CourseId = s.CourseId,
                    SubjectType = s.SubjectId,
                    VideoUrl =s.VideoUrl,
                    CourseType = s.CourseType,
                    CallBackUrl=s.CallBackUrl,
                    Area = s.Area,
                    HostIP = s.HostIP,
                };
                nodePackages.Add(np);
                if (videoIdArr.Contains(s.VideoCode))
                    continue;
                var pptCode = sPPT!=null ? sPPT.VideoCode : string.Empty;
                videos.Add(new VideoTask()
                {
                    Id = YitIdHelper.NextId(),
                    ComeFrom = GetClientIpAddress(),
                    ApiToken = "",
                    EducationStage = s.StageId,
                    CourseId = s.CourseId,
                    Subject = s.SubjectId,
                    TagId = s.VideoCode,
                    MediaUrl =s.VideoUrl,
                    PPTVideoCode = pptCode,
                    VideoType =s.CourseType
                });
            }
            await nodePackageInfoDB.InsertRangeAsync(nodePackages);
            await videoTaskDB.InsertRangeAsync(videos);
            if (videos is null || videos.Count == 0)
                return Ok();
            var ids = videos.Select(s => s.Id).ToArray();
            RedisExpand.JoinQueue(ids);
            return Ok();
        }

        private string GetClientIpAddress()
        {
            // 检查 X-Forwarded-For 请求头
            if (HttpContext.Request.Headers.ContainsKey("X-Forwarded-For")
                && !string.IsNullOrEmpty(HttpContext.Request.Headers["X-Forwarded-For"]))
                return HttpContext.Request.Headers["X-Forwarded-For"].ToString();
            if (HttpContext.Connection.RemoteIpAddress != null)
                return HttpContext.Connection.RemoteIpAddress.ToString();
            throw new Exception("未能获取到客户端ip地址");
        }
        /// <summary>
        /// 获取任务类型
        /// </summary>
        /// <returns></returns>
        [HttpGet(Name = "TaskTypList")]
        public IActionResult TaskType()
        {
            Type type = typeof(TaskTypeEnum);
            return Ok(Enum.GetValues(type).Cast<object>()
                .Select(s => new { Text = s.ToString(), Value = (int)s }));
        }
        /// <summary>
        /// 获取学科类型
        /// </summary>
        /// <returns></returns>
        [HttpGet(Name = "SubjectList")]
        public IActionResult Subject()
        {
            Type type = typeof(SubjectEnum);
            return Ok(Enum.GetValues(type).Cast<object>()
                .Select(s => new { Text = s.ToString(), Value = (int)s }));
        }

        /// <summary>
        /// 获取视频知识点片段<para>taskId/tagId二选一</para>
        /// </summary>
        /// <param name="taskId"></param>
        /// <param name="tagId">自定义id</param>
        /// <returns></returns>
        [HttpGet(Name = "TaskKnowInfo")]
        public async Task<IActionResult> TaskKnowInfo(string? tagId)
        {
            if ( string.IsNullOrEmpty(tagId))
                return BadRequest();
            long taskId = 0;
            var taskIdOK = long.TryParse(tagId,out taskId);
            var task = await videoTaskDB.AsQueryable()
                .Where(s=> s.TagId == tagId || s.PPTVideoCode== tagId || (taskIdOK&& s.Id == taskId))
                .FirstAsync();
            if (task is null)
                return BadRequest("无效任务");

            var konwArr = await videoKonwPointDB.AsQueryable()
                .Where(s => s.VideoTaskId == task.Id)
                .ToArrayAsync();
            if (konwArr is null || konwArr.Length == 0)
                return BadRequest("无效任务");
            return Ok(new TaskKnowRes()
            {
                TagId = task.TagId,
                Status = task.LastEnum,
                VideoTaskId = task.Id,
                KnowBlockArr = konwArr
                .GroupBy(s => s.StartTime)
                .Select(s => new TaskKnowBlock()
                {
                    Id = s.First().Id,
                    Content = s.First().Content,
                    StartTime = s.First().StartTime,
                    EndTime = s.First().EndTime,
                    Theme = s.First().Theme,
                    Know = s.Select(x => new TaskKnowInfo()
                    {
                        Id = x.Id,
                        KnowPoint = x.KnowPoint,
                        KnowPointId = x.KnowPointId
                    }).ToArray()
                }).ToArray()
            });
        }




    }
}