hotline/src/Hotline.Api/Controllers/KnowledgeController.cs

using Hotline.Application.FlowEngine;
using Hotline.Application.Knowledge;
using Hotline.KnowledgeBase;
using Hotline.KnowledgeBase.Notifies;
using Hotline.Permissions;
using Hotline.Repository.SqlSugar.Extensions;
using Hotline.Settings;
using Hotline.Settings.Hotspots;
using Hotline.Share.Dtos;
using Hotline.Share.Dtos.FlowEngine;
using Hotline.Share.Dtos.Knowledge;
using Hotline.Share.Enums.KnowledgeBase;
using Hotline.Users;
using MapsterMapper;
using MediatR;
using Microsoft.AspNetCore.Mvc;
using SqlSugar;
using XF.Domain.Authentications;
using XF.Domain.Exceptions;
using XF.Utility.EnumExtensions;

namespace Hotline.Api.Controllers
{
    /// <summary>
    /// 
    /// </summary>
    public class KnowledgeController : BaseController
    {

        #region 注入
        private readonly IKnowledgeRepository _knowledgeRepository;
        private readonly ISessionContext _sessionContext;
        private readonly IKnowledgeDomainService _knowledgeDomainService;
        private readonly IMapper _mapper;
        private readonly IKnowApplication _knowApplication;
        private readonly IMediator _mediator;
        private readonly IWorkflowApplication _workflowApplication;
        private readonly IKnowledgeWorkFlowRepository _knowledgeWorkFlowRepository;
        private readonly IUserRepository _userRepository;
        private readonly IKnowledgeTypeRepository _knowledgeTypeRepository;
        private readonly IHotspotTypeRepository _hotspotTypeRepository;


        /// <summary>
        /// 
        /// </summary>
        /// <param name="knowledgeRepository"></param>
        /// <param name="sessionContext"></param>
        /// <param name="knowledgeDomainService"></param>
        /// <param name="mapper"></param>
        /// <param name="knowApplication"></param>
        /// <param name="mediator"></param>
        /// <param name="workflowApplication"></param>
        /// <param name="knowledgeWorkFlowRepository"></param>
        /// <param name="userRepository"></param>
        /// <param name="knowledgeTypeRepository"></param>
        /// <param name="hotspotTypeRepository"></param>
        public KnowledgeController(IKnowledgeRepository knowledgeRepository, ISessionContext sessionContext, IKnowledgeDomainService knowledgeDomainService, IMapper mapper, IKnowApplication knowApplication,
           IMediator mediator, IWorkflowApplication workflowApplication, IKnowledgeWorkFlowRepository knowledgeWorkFlowRepository
            , IUserRepository userRepository, IKnowledgeTypeRepository knowledgeTypeRepository, IHotspotTypeRepository hotspotTypeRepository)
        {
            _knowledgeRepository = knowledgeRepository;
            _sessionContext = sessionContext;
            _knowledgeDomainService = knowledgeDomainService;
            _mapper = mapper;
            _knowApplication = knowApplication;
            _mediator = mediator;
            _workflowApplication = workflowApplication;
            _knowledgeWorkFlowRepository = knowledgeWorkFlowRepository;
            _userRepository = userRepository;
            _knowledgeTypeRepository = knowledgeTypeRepository;
            _hotspotTypeRepository = hotspotTypeRepository;
        }

        #endregion

        #region 知识管理
        /// <summary>
        /// 知识库-知识修改-查询详情
        /// </summary>
        /// <param name="Id"></param>
        /// <returns></returns>
        [HttpGet("updateinfo/{Id}")]
        public async Task<KnowledgeInfoDto> KnowledgeUpdateInfo(string Id)
        {
            var know = await _knowledgeRepository.GetAsync(Id, HttpContext.RequestAborted);
            if (know is null)
                throw UserFriendlyException.SameMessage("知识查询失败！");

            var knowledgeInfoDto = _mapper.Map<KnowledgeInfoDto>(know);
            //分类
            var type = await _knowledgeTypeRepository.GetAsync(know.KnowledgeTypeId, HttpContext.RequestAborted);
            if (type != null)
                knowledgeInfoDto.KnowledgeTypeName = type.SpliceName;

            //热点
            var hot = await _hotspotTypeRepository.GetAsync(know.HotspotId, HttpContext.RequestAborted);
            if (hot != null)
                knowledgeInfoDto.HotspotName = hot.HotSpotFullName;

            return knowledgeInfoDto;
        }

        /// <summary>
        /// 知识库-查询详情-增加浏览量
        /// </summary>
        /// <param name="Id">知识Id</param>
        /// <param name="IsAddPv">默认不增加，false不增加，true增加浏览量</param>
        /// <returns></returns>
        [HttpGet("info/{Id}")]
        public async Task<KnowledgeShowInfoDto> KnowledgeInfo(string Id, bool? IsAddPv)
        {
            var knowledge = await _knowledgeDomainService.KnowledgeInfo(Id, HttpContext.RequestAborted);
            if (knowledge is null)
                throw UserFriendlyException.SameMessage("知识查询失败！");

            //转化
            var knowledgeShowInfoDto = _mapper.Map<KnowledgeShowInfoDto>(knowledge);

            //查询其他
            var user = await _userRepository.GetAsync(knowledge.CreatorId, HttpContext.RequestAborted);
            if (user != null)
                knowledgeShowInfoDto.CreatorName = user.Name;
            var type = await _knowledgeTypeRepository.GetAsync(knowledge.KnowledgeTypeId, HttpContext.RequestAborted);
            if (type != null)
                knowledgeShowInfoDto.KnowledgeTypeName = type.SpliceName;
            var hot = await _hotspotTypeRepository.GetAsync(knowledge.HotspotId, HttpContext.RequestAborted);
            if (hot != null)
                knowledgeShowInfoDto.HotspotName = hot.HotSpotFullName;

            if (IsAddPv == true)
                _mediator.Publish(new GetKnowledgeInfoNotify(knowledge));
            return knowledgeShowInfoDto;
        }

        /// <summary>
        /// 知识库-新增
        /// </summary>
        /// <param name="dto"></param>
        /// <returns></returns>
        [Permission(EPermission.AddKnowledge)]
        [HttpPost("add")]
        public async Task<string> AddKnowledge([FromBody] AddKnowledgeDto dto)
        {
            var kn = _mapper.Map<Knowledge>(dto);

            //Code为空，从新生成Code
            if (string.IsNullOrEmpty(kn.Code))
                kn.Code = Convert.ToInt64((DateTime.Now - new DateTime(1970, 1, 1, 0, 0, 0, 0)).TotalSeconds).ToString();

            kn.Status = EKnowledgeStatus.Drafts;
            return await _knowledgeRepository.AddAsync(kn, HttpContext.RequestAborted);
        }

        /// <summary>
        /// 知识库-知识下架
        /// </summary>
        /// <param name="Id"></param>
        /// <returns></returns>
        [Permission(EPermission.KnowledgeOffShelf)]
        [HttpPut("offshelf")]
        public async Task KnowledgeOffShelf(string Id)
        {
            var know = await _knowledgeRepository.GetAsync(Id, HttpContext.RequestAborted);
            if (know != null && know.Status == EKnowledgeStatus.OnShelf)
            {
                know.Status = EKnowledgeStatus.OffShelf;
                know.OnShelfTime = null;
                know.OffShelfTime = DateTime.Now;
                await _knowledgeRepository.UpdateAsync(know, HttpContext.RequestAborted);
            }
            else
                throw UserFriendlyException.SameMessage("知识下架失败");

        }

        /// <summary>
        /// 知识库-知识上架
        /// </summary>
        /// <param name="Id"></param>
        /// <returns></returns>
        [Permission(EPermission.KnowledgeOnTheShelf)]
        [HttpPut("ontheshelf")]
        public async Task KnowledgeOnTheShelf(string Id)
        {
            var know = await _knowledgeRepository.GetAsync(Id, HttpContext.RequestAborted);
            if (know != null && know.Status == EKnowledgeStatus.OffShelf)
            {
                know.Status = EKnowledgeStatus.OnShelf;
                know.OnShelfTime = DateTime.Now;
                know.OffShelfTime = null;
                await _knowledgeRepository.UpdateAsync(know, HttpContext.RequestAborted);
            }
            else
                throw UserFriendlyException.SameMessage("知识上架失败");
        }

        /// <summary>
        /// 知识申请-关联知识-获取知识列表
        /// </summary>
        /// <returns></returns>
        [HttpGet("getknowledge")]
        public async Task<IReadOnlyList<KnowledgeCreateBMDataDto>> GetKnowledge()
        {
            var temp = await _knowledgeRepository
               .Queryable()
               .LeftJoin<SystemOrganize>((o, sys) => o.CreatorOrgId == sys.Id)
               //重新构建数据
               .Select((o, sys) => new
               {
                   index = SqlFunc.RowNumber($"{o.Version} desc ", $"{o.Code}"),
                   DepartmentId = sys.Id,
                   Department = sys.OrgName,
                   o.Id,
                   o.Title,
                   o.Status,
                   o.Code
               })
           //将结果合并成一个表
           .MergeTable()
           //取第一条数据
           .Where(d => d.index == 1 && d.Status == EKnowledgeStatus.OnShelf)
          .ToListAsync();
            //返回数据
            return _mapper.Map<IReadOnlyList<KnowledgeCreateBMDataDto>>(temp);

        }
        #endregion

        #region 我的草稿箱
        /// <summary>
        /// 我的草稿箱
        /// </summary>
        /// <param name="pagedDto"></param>
        /// <returns></returns>
        [Permission(EPermission.KnowledgeMyDraftsList)]
        [HttpGet("mydraftslist")]
        public async Task<PagedDto<KnowledgeDataDto>> MyDraftsList([FromQuery] MyDraftsListPagedDto pagedDto)
        {
            var (total, items) = await _knowledgeRepository
             .Queryable()
             .Includes(it => it.User)
             .Includes(it => it.KnowledgeType)
             .Where(p => p.CreatorId == _sessionContext.RequiredUserId && p.Status == EKnowledgeStatus.Drafts)
             .WhereIF(!string.IsNullOrEmpty(pagedDto.Keyword), d => d.Title.Contains(pagedDto.Keyword!))
             .WhereIF(!string.IsNullOrEmpty(pagedDto.KnowledgeTypeId), d => d.KnowledgeTypeId == pagedDto.KnowledgeTypeId)
             .WhereIF(pagedDto.StartTime != null, d => d.CreationTime >= pagedDto.StartTime)
             .WhereIF(pagedDto.EndTime != null, d => d.CreationTime <= pagedDto.EndTime)
             .OrderByDescending(p => p.CreationTime)
             .ToPagedListAsync(pagedDto.PageIndex, pagedDto.PageSize, HttpContext.RequestAborted);

            return new PagedDto<KnowledgeDataDto>(total, _mapper.Map<IReadOnlyList<KnowledgeDataDto>>(items));
        }

        /// <summary>
        /// 知识库-修改知识草稿
        /// </summary>
        /// <param name="dto"></param>
        /// <returns></returns>
        [Permission(EPermission.KnowledgeDraftsUpdate)]
        [HttpPut("update")]
        public async Task UpdateKnowledge([FromBody] UpdateKnowledgeDto dto)
        {
            if (dto.Status != EKnowledgeStatus.Drafts)
                throw UserFriendlyException.SameMessage("非草稿数据不可修改");
            var kn = _mapper.Map<Knowledge>(dto);

            await _knowledgeRepository.UpdateAsync(kn, HttpContext.RequestAborted);

        }

        /// <summary>
        /// 删除知识草稿
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        [Permission(EPermission.KnowledgeDraftsDelete)]
        [HttpDelete("{id}")]
        public async Task Remove(string id)
        {
            var knowledge = await _knowledgeRepository.GetAsync(id, HttpContext.RequestAborted);
            if (knowledge == null) return;
            if (knowledge.Status != EKnowledgeStatus.Drafts)
                throw UserFriendlyException.SameMessage("非草稿数据不可删除");
            await _knowledgeRepository.RemoveAsync(knowledge, false, HttpContext.RequestAborted);
        }
        #endregion

        #region 知识列表
        /// <summary>
        /// 知识库列表页面枚举值
        /// </summary>
        /// <returns></returns>
        [HttpGet("knowledge-status-data")]
        public async Task<object> KnowledgeStatus()
        {
            return new List<KeyValuePair<int, string>>
            {
                new KeyValuePair<int, string>(1, "审核中"),
                new KeyValuePair<int, string>(3, "已上架"),
                new KeyValuePair<int, string>(4, "已下架")
            };
        }

        /// <summary>
        /// 知识查询
        /// </summary>
        /// <param name="pagedDto"></param>
        /// <returns></returns>
        [Permission(EPermission.KnowledgeAllList)]
        [HttpGet()]
        public async Task<PagedDto<KnowledgeDataDto>> GetKnowList([FromQuery] KnowPagedListDto pagedDto)
        {
            return await _knowApplication.GetKnowList(pagedDto);
        }

        #endregion

        #region 知识检索
        /// <summary>
        /// 知识检索
        /// </summary>
        /// <param name="pagedDto"></param>
        /// <returns></returns>
        [Permission(EPermission.KnowledgeRetrieval)]
        [HttpGet("knowretrieval")]
        public async Task<PagedDto<KnowledgeRetrievalDataDto>> KnowRetrieval([FromQuery] KnowledgeRetrievalPagedListDto pagedDto)
        {
            //if (string.IsNullOrEmpty(pagedDto.Keyword))
            //    throw UserFriendlyException.SameMessage("请输入关键字");
            RefAsync<int> total = 0;
            var Keyword = pagedDto.Keyword?.Trim();
            var temp = await _knowledgeRepository
              .Queryable()

              .Select(o => new
              {
                  index = SqlFunc.RowNumber($"{o.Version} desc ", $"{o.Code}"),
                  o.Id,
                  o.Code,
                  o.Title,
                  o.Summary,
                  o.Content,
                  o.PageView,
                  o.Additions,
                  o.Status
              })
           //将结果合并成一个表
           .MergeTable()
           //取第一条数据
           .Where(d => d.index == 1 && d.Status == EKnowledgeStatus.OnShelf)
           .WhereIF((pagedDto.RetrievalType == null || pagedDto.RetrievalType == EKnowledgeRetrievalType.All) && !string.IsNullOrEmpty(Keyword), d => d.Title.Contains(Keyword) || d.Content.Contains(Keyword))// || d.Additions.Contains(pagedDto.Keyword)
           .WhereIF(pagedDto.RetrievalType == EKnowledgeRetrievalType.Title && !string.IsNullOrEmpty(Keyword), d => d.Title.Contains(Keyword))
           .WhereIF(pagedDto.RetrievalType == EKnowledgeRetrievalType.Content && !string.IsNullOrEmpty(Keyword), d => d.Content.Contains(Keyword))
           // .WhereIF(pagedDto.RetrievalType == EKnowledgeRetrievalType.Enclosure, d => d.Additions.Contains(pagedDto.Keyword))
           .OrderByDescending(p => p.PageView)
           .ToPageListAsync(pagedDto.PageIndex, pagedDto.PageSize, total);

            return new PagedDto<KnowledgeRetrievalDataDto>(total, _mapper.Map<IReadOnlyList<KnowledgeRetrievalDataDto>>(temp));
        }
        #endregion

        #region 我的知识删除列表
        /// <summary>
        /// 我的知识删除列表页面枚举值
        /// </summary>
        /// <returns></returns>
        [HttpGet("delete-status-data")]
        public async Task<object> DeleteApplyStatus()
        {
            return EnumExts.GetDescriptions<EKnowledgeWorkFlowStatus>();
        }

        /// <summary>
        /// 我的知识删除列表
        /// </summary>
        /// <param name="pagedDto"></param>
        /// <returns></returns>
        [HttpGet("deletelist")]
        [Permission(EPermission.KnowledgeDeleteApply)]
        public async Task<PagedDto<KnowledgeDeleteApplyDataDto>> GetDeleteApplyList([FromQuery] KnowledgeDeletelPagedListDto pagedDto)
        {
            var (total, items) = await _knowledgeWorkFlowRepository
               .Queryable(includeDeleted: true)
               .Includes(it => it.Knowledge)
               .Includes(it => it.User)
               .Includes(it => it.SystemOrganize)
               .Includes(it => it.Knowledge, it => it.KnowledgeType)
               .Includes(it => it.Knowledge, it => it.HotspotType)
               .Includes(it => it.Workflow)
               .Where(d => d.CreatorId == _sessionContext.RequiredUserId && d.WorkflowModuleStatus == EKnowledgeApplyType.Delete && d.WorkflowId != null)
               .WhereIF(pagedDto.EKnowledgeWorkFlowStatus.HasValue, d => d.WorkFlowApplyStatus == pagedDto.EKnowledgeWorkFlowStatus)
               .WhereIF(pagedDto.StartApplyTime.HasValue, d => d.CreationTime >= pagedDto.StartApplyTime)
               .WhereIF(pagedDto.EndApplyTime.HasValue, d => d.CreationTime <= pagedDto.EndApplyTime)
               .WhereIF(!string.IsNullOrEmpty(pagedDto.Keyword), d => d.Knowledge.User.Name.Contains(pagedDto.Keyword!)
               || d.Knowledge.SystemOrganize.OrgName.Contains(pagedDto.Keyword!)
               || d.Knowledge.Title.Contains(pagedDto.Keyword!))

               .OrderByDescending(p => p.CreationTime)
               .ToPagedListAsync(pagedDto.PageIndex, pagedDto.PageSize, HttpContext.RequestAborted);

            return new PagedDto<KnowledgeDeleteApplyDataDto>(total, _mapper.Map<IReadOnlyList<KnowledgeDeleteApplyDataDto>>(items));
        }

        #endregion

        #region 审核管理

        /// <summary>
        /// 审核管理页面枚举值
        /// </summary>
        /// <returns></returns>
        [HttpGet("approval-base-data")]
        public async Task<object> ApprovalBaseData()
        {
            return new
            {
                EKnowledgeWorkFlowStatus = EnumExts.GetDescriptions<EKnowledgeWorkFlowStatus>(),
                EKnowledgeApplyType = EnumExts.GetDescriptions<EKnowledgeApplyType>()
            };
        }

        /// <summary>
        /// 审核管理
        /// </summary>
        /// <param name="pagedDto"></param>
        /// <returns></returns>
        [Permission(EPermission.KnowledgeApprovedAllList)]
        [HttpGet("approvedlist")]
        public async Task<PagedDto<KnowledgeApprovalDataDto>> ApprovedList([FromQuery] KnowledgeApprovalPagedListDto pagedDto)
        {
            var (total, items) = await _knowledgeWorkFlowRepository
                .Queryable(includeDeleted: true)
                .Includes(it => it.Knowledge)
                .Includes(it => it.User)
                .Includes(it => it.SystemOrganize)
                .Includes(it => it.Knowledge, it => it.KnowledgeType)
                .Includes(it => it.Workflow)
                .Where(it => it.WorkflowId != null)
                .WhereIF(pagedDto.EKnowledgeApplyType.HasValue, d => d.WorkflowModuleStatus == pagedDto.EKnowledgeApplyType)
                .WhereIF(pagedDto.EKnowledgeWorkFlowStatus.HasValue, d => d.WorkFlowApplyStatus == pagedDto.EKnowledgeWorkFlowStatus)
                .WhereIF(!string.IsNullOrEmpty(pagedDto.Keyword), d => d.Knowledge.User.Name.Contains(pagedDto.Keyword!)
                || d.Knowledge.SystemOrganize.OrgName.Contains(pagedDto.Keyword!)
                || d.Knowledge.Title.Contains(pagedDto.Keyword!))

                .OrderByDescending(p => p.CreationTime)
                .ToPagedListAsync(pagedDto.PageIndex, pagedDto.PageSize, HttpContext.RequestAborted);

            foreach (var item in items)
            {
                if (item.Workflow != null)
                    item.CanHandle = item.Workflow.CanHandle(_sessionContext.RequiredUserId, _sessionContext.RequiredOrgCode);

            }
            //处理是否可以办理
            //items.ForEach(d => d.CanHandle = d.Workflow.CanHandle(_sessionContext.RequiredUserId, _sessionContext.RequiredOrgCode));

            return new PagedDto<KnowledgeApprovalDataDto>(total, _mapper.Map<IReadOnlyList<KnowledgeApprovalDataDto>>(items));
        }
        #endregion

        #region 工单受理，知识库检索
        /// <summary>
        /// 获取知识热点词
        /// </summary>
        /// <returns></returns>
        [HttpGet("getkeyword")]
        public async Task<List<string>> GetKeyWord()
        {
            return await _knowledgeDomainService.GetKeyWord();
        }

        /// <summary>
        /// 工单受理知识检索
        /// </summary>
        /// <param name="pagedDto"></param>
        /// <returns></returns>
        [HttpGet("knowpopscreen")]
        public async Task<PagedDto<KnowledgeRetrievalDataDto>> KnowPopScreen([FromQuery] KnowledgePopScreenPagedListDto pagedDto)
        {
            RefAsync<int> total = 0;
            var temp = await _knowledgeRepository
              .Queryable()
              .Select(o => new
              {
                  index = SqlFunc.RowNumber($"{o.Version} desc ", $"{o.Code}"),
                  o.Id,
                  o.Code,
                  o.Title,
                  o.Summary,
                  o.Content,
                  o.PageView,
                  o.Keywords,
                  o.HotspotId,
                  o.Status
              })
           //将结果合并成一个表
           .MergeTable()
           //取第一条数据
           .Where(d => d.index == 1 && d.Status == EKnowledgeStatus.OnShelf)
           .WhereIF(!string.IsNullOrEmpty(pagedDto.Keyword), p => p.Title.Contains(pagedDto.Keyword) || p.Keywords.Contains(pagedDto.Keyword))
           .WhereIF(!string.IsNullOrEmpty(pagedDto.HotspotId), p => p.HotspotId == pagedDto.HotspotId)
           .OrderByDescending(p => p.PageView)
           .ToPageListAsync(pagedDto.PageIndex, pagedDto.PageSize, total);

            return new PagedDto<KnowledgeRetrievalDataDto>(total, _mapper.Map<IReadOnlyList<KnowledgeRetrievalDataDto>>(temp));
        }
        #endregion

        #region 流程相关
        /// <summary>
        /// 新增-开始流程
        /// </summary>
        /// <param name="id">知识id</param>
        /// <param name="dto">流程开启参数</param>
        /// <returns></returns>
        [Permission(EPermission.AddKnowledge)]
        [HttpPost("{id}/add-startflow")]
        public async Task AddStartFlow(string id, [FromBody] StartWorkflowDto dto)
        {
            await StartFlow(id, WorkflowModuleConsts.KnowledgeAdd, EKnowledgeApplyType.Add, dto);
        }

        /// <summary>
        /// 删除-开始流程
        /// </summary>
        /// <param name="id">知识id</param>
        /// <param name="dto">流程开启参数</param>
        /// <returns></returns>
        [Permission(EPermission.KnowledgeDelete)]
        [HttpPost("{id}/remove-startflow")]
        public async Task RemoveStartFlow(string id, [FromBody] StartWorkflowDto dto)
        {
            await StartFlow(id, WorkflowModuleConsts.KnowledgeDelete, EKnowledgeApplyType.Delete, dto);
        }

        /// <summary>
        /// 查询知识库办理流程开启参数-新增
        /// </summary>
        /// <returns></returns>
        [Permission(EPermission.AddKnowledge)]
        [HttpGet("add-flow-start")]
        public async Task<IReadOnlyList<KeyValuePair<string, string>>> GetAddFlowStartOptionsAsync()
        {
            return await _workflowApplication.GetStartOptionsAsync(WorkflowModuleConsts.KnowledgeAdd, HttpContext.RequestAborted);
        }

        /// <summary>
        /// 查询知识库办理流程开启参数-删除
        /// </summary>
        /// <returns></returns>
        [Permission(EPermission.KnowledgeDelete)]
        [HttpGet("remove-flow-start")]
        public async Task<IReadOnlyList<KeyValuePair<string, string>>> GetRemoveFlowStartOptionsAsync()
        {
            return await _workflowApplication.GetStartOptionsAsync(WorkflowModuleConsts.KnowledgeDelete, HttpContext.RequestAborted);
        }
        #endregion

        #region 私有方法-开始流程
        /// <summary>
        /// 开始流程
        /// </summary>
        /// <param name="id">知识ID</param>
        /// <param name="moduleCode">知识模板编号</param>
        /// <param name="eKnowledgeApplyType">申请类型</param>
        /// <param name="dto">流程开启参数</param>
        /// <returns></returns>
        private async Task StartFlow(string id, string moduleCode, EKnowledgeApplyType eKnowledgeApplyType, StartWorkflowDto dto)
        {
            var knowledge = await _knowledgeRepository.GetAsync(id, HttpContext.RequestAborted);
            if (knowledge == null)
                throw UserFriendlyException.SameMessage("无效知识编号");

            if (eKnowledgeApplyType == EKnowledgeApplyType.Delete)
            {
                if (knowledge.IsDeleted == true)
                    throw UserFriendlyException.SameMessage("知识删除失败");

                //验证是否已经发起过知识删除流程
                var exists = await _knowledgeWorkFlowRepository.GetAsync(p => p.KnowledgeId == knowledge.Id && p.WorkflowModuleStatus == EKnowledgeApplyType.Delete
                && (p.WorkFlowApplyStatus == EKnowledgeWorkFlowStatus.Success || p.WorkFlowApplyStatus == EKnowledgeWorkFlowStatus.Auditing) && p.WorkflowId != null);
                if (exists != null)
                    throw UserFriendlyException.SameMessage($"该知识已发起过{WorkflowModule.Modules[WorkflowModuleConsts.KnowledgeDelete]}流程");
            }

            if (!string.IsNullOrEmpty(knowledge.WorkflowId) && eKnowledgeApplyType != EKnowledgeApplyType.Delete)
                throw UserFriendlyException.SameMessage("知识已发起流程");

            //知识审批主表
            var flowId = await _knowledgeDomainService.AddWorkFlowAsync(id, eKnowledgeApplyType, HttpContext.RequestAborted);

            dto.DefinitionModuleCode = moduleCode;
            dto.Title = knowledge.Title;
            await _workflowApplication.StartWorkflowAsync(dto, flowId, HttpContext.RequestAborted);

        }
        #endregion

    }
}