508 lines
22 KiB
C#
508 lines
22 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Data;
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using WeiSha.Common;
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using Song.Entities;
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using WeiSha.Data;
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using Song.ServiceInterfaces;
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using System.Data.Common;
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using System.Collections;
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namespace Song.ServiceImpls
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{
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public class SubjectCom : ISubject
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{
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public int SubjectAdd(Subject entity)
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{
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entity.Sbj_CrtTime = DateTime.Now;
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Song.Entities.Organization org = Business.Do<IOrganization>().OrganCurrent();
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//如果没有排序号，则自动计算
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if (entity.Sbj_Tax < 1)
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{
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object obj = Gateway.Default.Max<Subject>(Subject._.Sbj_Tax, Subject._.Org_ID == org.Org_ID && Subject._.Sbj_PID == entity.Sbj_PID);
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entity.Sbj_Tax = obj is int ? (int)obj + 1 : 0;
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}
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if (org != null)
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{
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entity.Org_ID = org.Org_ID;
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entity.Org_Name = org.Org_Name;
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}
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entity.Sbj_Level = _ClacLevel(entity);
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entity.Sbj_XPath = _ClacXPath(entity);
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return Gateway.Default.Save<Subject>(entity);
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}
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/// <summary>
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/// 批量添加专业，可用于导入时
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/// </summary>
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/// <param name="orgid">机构id</param>
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/// <param name="names">专业名称，可以是用逗号分隔的多个名称</param>
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/// <returns></returns>
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public Subject SubjectBatchAdd(int orgid, string names)
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{
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//整理名称信息
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names = names.Replace("，", ",");
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List<string> listName = new List<string>();
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foreach (string str in names.Split(','))
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{
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string s = str.Replace("\n", "").Replace(" ", "").Replace("\t", "").Replace("\r", "");
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if (s.Trim() != "") listName.Add(s.Trim());
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}
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//
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int pid = 0;
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Song.Entities.Subject last = null;
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for (int i = 0; i < listName.Count; i++)
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{
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Song.Entities.Subject current = SubjectIsExist(orgid, pid, listName[i]);
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if (current == null)
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{
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current = new Subject();
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current.Sbj_Name = listName[i];
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current.Sbj_IsUse = true;
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current.Org_ID = orgid;
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current.Sbj_PID = pid;
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this.SubjectAdd(current);
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}
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last = current;
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pid = current.Sbj_ID;
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}
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return last;
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}
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/// <summary>
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/// 是否已经存在专业
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/// </summary>
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/// <param name="orgid"></param>
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/// <param name="pid"></param>
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/// <param name="name"></param>
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/// <returns></returns>
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public Subject SubjectIsExist(int orgid, int pid, string name)
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{
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WhereClip wc = Subject._.Org_ID == orgid;
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if (pid >= 0) wc &= Subject._.Sbj_PID == pid;
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return Gateway.Default.From<Subject>().Where(wc && Subject._.Sbj_Name == name.Trim()).ToFirst<Subject>();
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}
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public void SubjectSave(Subject entity)
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{
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//专业的id与pid不能相等
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if (entity.Sbj_PID == entity.Sbj_ID) throw new Exception("Subject table PID Can not be equal to ID");
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Subject old = SubjectSingle(entity.Sbj_ID);
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if (old.Sbj_PID != entity.Sbj_PID)
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{
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object obj = Gateway.Default.Max<Subject>(Subject._.Sbj_Tax, Subject._.Org_ID == entity.Org_ID && Subject._.Sbj_PID == entity.Sbj_PID);
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entity.Sbj_Tax = obj is int ? (int)obj + 1 : 0;
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}
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entity.Sbj_Level = _ClacLevel(entity);
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entity.Sbj_XPath = _ClacXPath(entity);
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if (entity.Dep_Id > 0)
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{
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Song.Entities.Depart depart = Gateway.Default.From<Depart>().Where(Depart._.Dep_Id == entity.Dep_Id).ToFirst<Depart>();
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if (depart != null)
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{
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entity.Dep_CnName = depart.Dep_CnName;
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}
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}
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using (DbTrans tran = Gateway.Default.BeginTrans())
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{
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try
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{
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tran.Save<Subject>(entity);
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tran.Update<Questions>(new Field[] { Questions._.Sbj_Name }, new object[] { entity.Sbj_Name }, Questions._.Sbj_ID == entity.Sbj_ID);
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tran.Update<Course>(new Field[] { Course._.Sbj_Name }, new object[] { entity.Sbj_Name }, Course._.Sbj_ID == entity.Sbj_ID);
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tran.Update<TestPaper>(new Field[] { TestPaper._.Sbj_Name }, new object[] { entity.Sbj_Name }, TestPaper._.Sbj_ID == entity.Sbj_ID);
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tran.Update<TestResults>(new Field[] { TestResults._.Sbj_Name }, new object[] { entity.Sbj_Name }, TestResults._.Sbj_ID == entity.Sbj_ID);
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tran.Update<Examination>(new Field[] { Examination._.Sbj_Name }, new object[] { entity.Sbj_Name }, Examination._.Sbj_ID == entity.Sbj_ID);
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tran.Update<ExamResults>(new Field[] { ExamResults._.Sbj_Name }, new object[] { entity.Sbj_Name }, ExamResults._.Sbj_ID == entity.Sbj_ID);
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tran.Commit();
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}
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catch (Exception ex)
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{
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tran.Rollback();
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throw ex;
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}
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finally
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{
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tran.Close();
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}
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}
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}
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public void SubjectDelete(int identify)
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{
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//是否存在试题
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int count = Gateway.Default.Count<Questions>(Questions._.Sbj_ID == identify);
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if (count > 0) throw new WeiSha.Common.ExceptionForPrompt("当前专业下包括" + count + "道试题，请清空后再删除！");
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//是否存在课程
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count = Gateway.Default.Count<Course>(Course._.Sbj_ID == identify);
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if (count > 0) throw new WeiSha.Common.ExceptionForPrompt("当前专业下包括" + count + "个课程，请清空后再删除！");
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//是否有下级
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count = Gateway.Default.Count<Subject>(Subject._.Sbj_PID == identify);
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if (count > 0) throw new WeiSha.Common.ExceptionForPrompt("当前专业下包括" + count + "个子专业，请清空后再删除！");
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if (count < 1)
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{
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this.SubjectClear(identify);
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Subject subject = Gateway.Default.From<Subject>().Where(Subject._.Sbj_ID == identify).ToFirst<Subject>();
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if (!string.IsNullOrWhiteSpace(subject.Sbj_Logo))
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{
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WeiSha.WebControl.FileUpload.Delete("Subject", subject.Sbj_Logo);
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}
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Gateway.Default.Delete<Subject>(Subject._.Sbj_ID == identify);
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}
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}
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public void SubjectClear(int identify)
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{
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//清理课程
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Song.Entities.Course[] cous = Gateway.Default.From<Course>().Where(Course._.Sbj_ID == identify).ToArray<Course>();
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if (cous != null && cous.Length > 0)
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{
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foreach (Song.Entities.Course c in cous)
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Business.Do<ICourse>().CourseClear(c.Cou_ID);
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}
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//清理试题
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Song.Entities.Questions[] ques = Gateway.Default.From<Questions>().Where(Questions._.Sbj_ID == identify).ToArray<Questions>();
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if (ques != null && ques.Length > 0)
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{
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foreach (Song.Entities.Questions c in ques)
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Business.Do<IQuestions>().QuesDelete(c.Qus_ID);
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}
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}
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public Subject SubjectSingle(int identify)
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{
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return Gateway.Default.From<Subject>().Where(Subject._.Sbj_ID == identify).ToFirst<Subject>();
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}
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/// <summary>
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/// 当前专业下的所有子专业id
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/// </summary>
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/// <param name="sbjid">当前专业id</param>
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/// <returns></returns>
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public List<int> TreeID(int sbjid)
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{
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List<int> list = new List<int>();
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Subject sbj = Gateway.Default.From<Subject>().Where(Subject._.Sbj_ID == sbjid).ToFirst<Subject>();
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if (sbj == null) return list;
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//取同一个机构下的所有章节
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Subject[] sbjs = Gateway.Default.From<Subject>().Where(Subject._.Org_ID == sbj.Org_ID).ToArray<Subject>();
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list = _treeid(sbjid, sbjs);
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return list;
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}
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private List<int> _treeid(int id, Subject[] sbjs)
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{
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List<int> list = new List<int>();
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list.Add(id);
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foreach (Subject o in sbjs)
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{
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if (o.Sbj_PID != id) continue;
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List<int> tm = _treeid(o.Sbj_ID, sbjs);
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foreach (int t in tm)
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list.Add(t);
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}
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return list;
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}
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/// <summary>
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/// 获取专业名称，如果为多级，则带上父级名称
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/// </summary>
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/// <param name="identify"></param>
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/// <returns></returns>
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public string SubjectName(int identify)
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{
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Subject entity = Gateway.Default.From<Subject>().Where(Subject._.Sbj_ID == identify).ToFirst<Subject>();
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if (entity == null) return "";
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string xpath = entity.Sbj_Name;
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Song.Entities.Subject tm = Gateway.Default.From<Subject>().Where(Subject._.Sbj_ID == entity.Sbj_PID).ToFirst<Subject>();
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while (tm != null)
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{
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xpath = tm.Sbj_Name + "," + xpath;
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if (tm.Sbj_PID == 0) break;
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if (tm.Sbj_PID != 0)
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{
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tm = Gateway.Default.From<Subject>().Where(Subject._.Sbj_ID == tm.Sbj_PID).ToFirst<Subject>();
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}
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}
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return xpath;
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}
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/// <summary>
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/// 当前专业，是否有子专业
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/// </summary>
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/// <param name="orgid"></param>
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/// <param name="identify">当前专业Id</param>
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/// <returns></returns>
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public bool SubjectIsChildren(int orgid, int identify, bool? isUse)
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{
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WhereClip wc = new WhereClip();
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if (orgid >= 0) wc.And(Subject._.Org_ID == orgid);
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if (isUse != null) wc.And(Subject._.Sbj_IsUse == (bool)isUse);
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int count = Gateway.Default.Count<Subject>(wc && Subject._.Sbj_PID == identify);
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return count > 0;
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}
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public Subject[] SubjectCount(bool? isUse, int count)
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{
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WhereClip wc = new WhereClip();
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wc.And(Subject._.Sbj_ID > -1);
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if (isUse != null) wc.And(Subject._.Sbj_IsUse == (bool)isUse);
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count = count > 0 ? count : int.MaxValue;
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return Gateway.Default.From<Subject>().Where(wc).OrderBy(Subject._.Sbj_Tax.Asc).ToArray<Subject>(count);
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}
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public Subject[] SubjectCount(int orgid, string[] sear, int pid, int count)
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{
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WhereClip wc = new WhereClip();
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wc.And(Subject._.Sbj_IsUse == true);
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if (orgid >= 0) wc.And(Subject._.Org_ID == orgid);
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if (sear.Length >0)
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{
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for (int i = 0; i < sear.Length; i++)
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{
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wc.Or(Subject._.Sbj_Name.Like("%" + sear + "%"));
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}
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}
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if (pid >= 0) wc.And(Subject._.Sbj_PID == pid);
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return Gateway.Default.From<Subject>().Where(wc).OrderBy(Subject._.Sbj_Tax.Asc).ToArray<Subject>(count);
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}
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public Subject[] SubjectCount(int orgid, string sear, bool? isUse, int pid, int count)
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{
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WhereClip wc = new WhereClip();
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if (orgid >= 0) wc.And(Subject._.Org_ID == orgid);
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if (isUse != null) wc.And(Subject._.Sbj_IsUse == (bool)isUse);
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if (!string.IsNullOrWhiteSpace(sear))
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{
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string[] arrData = sear.Split(',');
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WhereClip wc2 = new WhereClip();
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for (int i = 0; i < arrData.Length; i++)
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{
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wc2.Or(Subject._.Sbj_Name.Like("%" + arrData[i] + "%"));
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}
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wc.And(wc2);
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}
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if (pid >= 0) wc.And(Subject._.Sbj_PID == pid);
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return Gateway.Default.From<Subject>().Where(wc).OrderBy(Subject._.Sbj_Tax.Asc).ToArray<Subject>(count);
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}
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public Subject[] SubjectCount(int orgid, string sear, bool? isUse, int pid, string order, int index, int count)
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{
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WhereClip wc = new WhereClip();
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if (orgid >= 0) wc.And(Subject._.Org_ID == orgid);
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if (isUse != null) wc.And(Subject._.Sbj_IsUse == (bool)isUse);
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if (!string.IsNullOrWhiteSpace(sear)) wc.And(Subject._.Sbj_Name.Like("%" + sear + "%"));
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if (pid >= 0) wc.And(Subject._.Sbj_PID == pid);
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OrderByClip wcOrder = new OrderByClip();
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if (order == "def") wcOrder = Subject._.Sbj_IsRec.Desc & Subject._.Sbj_Tax.Asc;
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if (order == "tax") wcOrder = Subject._.Sbj_Tax.Asc;
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if (order == "rec")
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{
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//wc &= Subject._.Sbj_IsRec == true;
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wcOrder = Subject._.Sbj_IsRec.Desc && Subject._.Sbj_Tax.Asc;
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}
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return Gateway.Default.From<Subject>().Where(wc).OrderBy(wcOrder).ToArray<Subject>(count, index);
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}
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/// <summary>
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/// 当前专业的上级父级
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/// </summary>
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/// <param name="sbjid"></param>
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/// <param name="isself">是否包括自身</param>
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/// <returns></returns>
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public List<Subject> Parents(int sbjid, bool isself)
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{
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Stack st = new Stack();
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Subject s = Gateway.Default.From<Subject>().Where(Subject._.Sbj_ID == sbjid).ToFirst<Subject>();
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if (isself) st.Push(s);
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while (s.Sbj_PID != 0)
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{
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s = Gateway.Default.From<Subject>().Where(Subject._.Sbj_ID == s.Sbj_PID).ToFirst<Subject>();
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if (s == null) break;
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st.Push(s);
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}
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List<Subject> list = new List<Subject>();
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foreach (object obj in st)
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{
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list.Add((Subject)obj);
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}
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return list;
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}
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public Subject[] SubjectCount(int orgid, int depid, string sear, bool? isUse, int pid, int count)
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{
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WhereClip wc = new WhereClip();
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if (orgid >= 0) wc.And(Subject._.Org_ID == orgid);
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if (depid > 0) wc.And(Subject._.Dep_Id == depid);
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if (isUse != null) wc.And(Subject._.Sbj_IsUse == (bool)isUse);
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if (!string.IsNullOrWhiteSpace(sear)) wc.And(Subject._.Sbj_Name.Like("%" + sear + "%"));
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if (pid >= 0) wc.And(Subject._.Sbj_PID == pid);
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return Gateway.Default.From<Subject>().Where(wc).OrderBy(Subject._.Sbj_Tax.Asc).ToArray<Subject>(count);
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}
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public int SubjectOfCount(int orgid, bool? isUse, int pid)
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{
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WhereClip wc = new WhereClip();
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if (orgid >= 0) wc.And(Subject._.Org_ID == orgid);
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if (isUse != null) wc.And(Subject._.Sbj_IsUse == (bool)isUse);
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if (pid >= 0) wc.And(Subject._.Sbj_PID == pid);
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return Gateway.Default.Count<Subject>(wc);
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}
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public Subject[] SubjectPager(int orgid, int depid, bool? isUse, string searTxt, int size, int index, out int countSum)
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{
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WhereClip wc = new WhereClip();
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if (orgid > -1) wc.And(Subject._.Org_ID == orgid);
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if (depid > 0) wc.And(Subject._.Dep_Id == depid);
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if (isUse != null) wc.And(Subject._.Sbj_IsUse == isUse);
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if (searTxt != string.Empty) wc.And(Subject._.Sbj_Name.Like("%" + searTxt + "%"));
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countSum = Gateway.Default.Count<Subject>(wc);
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return Gateway.Default.From<Subject>().Where(wc).OrderBy(Subject._.Sbj_Tax.Asc).ToArray<Subject>(size, (index - 1) * size);
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}
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public Questions[] QusForSubject(int orgid, int identify, int qusType, bool? isUse, int count)
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{
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WhereClip wc = new WhereClip();
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if (orgid > -1) wc.And(Questions._.Org_ID == orgid);
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if (qusType > 0) wc.And(Questions._.Qus_Type == qusType);
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if (identify > 0) wc.And(Questions._.Sbj_ID == identify);
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if (isUse != null) wc.And(Questions._.Qus_IsUse == (bool)isUse);
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count = count < 0 ? int.MaxValue : count;
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return Gateway.Default.From<Questions>().Where(wc).ToArray<Questions>(count);
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}
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public int QusCountForSubject(int orgid, int identify, int qusType, bool? isUse)
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{
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WhereClip wc = new WhereClip();
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if (orgid > -1) wc.And(Questions._.Org_ID == orgid);
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if (qusType > 0) wc.And(Questions._.Qus_Type == qusType);
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if (identify > 0) wc.And(Questions._.Sbj_ID == identify);
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if (isUse != null) wc.And(Questions._.Qus_IsUse == (bool)isUse);
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int count = Gateway.Default.Count<Questions>(wc);
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return count;
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}
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public bool RemoveUp(int id)
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{
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//当前对象
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Subject current = Gateway.Default.From<Subject>().Where(Subject._.Sbj_ID == id).ToFirst<Subject>();
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//当前对象排序号
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int orderValue = (int)current.Sbj_Tax;
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//上一个对象，即兄长对象；
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Subject up = Gateway.Default.From<Subject>()
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.Where(Subject._.Sbj_Tax < orderValue && Subject._.Org_ID == current.Org_ID && Subject._.Sbj_PID == current.Sbj_PID)
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.OrderBy(Subject._.Sbj_Tax.Desc).ToFirst<Subject>();
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if (up == null) return false;
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//交换排序号
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current.Sbj_Tax = up.Sbj_Tax;
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up.Sbj_Tax = orderValue;
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using (DbTrans tran = Gateway.Default.BeginTrans())
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{
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try
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{
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tran.Save<Subject>(current);
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tran.Save<Subject>(up);
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tran.Commit();
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return true;
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}
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catch
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{
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tran.Rollback();
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throw;
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}
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finally
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{
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tran.Close();
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}
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}
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}
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public bool RemoveDown(int id)
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{
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//当前对象
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Subject current = Gateway.Default.From<Subject>().Where(Subject._.Sbj_ID == id).ToFirst<Subject>();
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//当前对象排序号
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int orderValue = (int)current.Sbj_Tax;
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//下一个对象，即弟弟对象；
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Subject down = Gateway.Default.From<Subject>()
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.Where(Subject._.Sbj_Tax > orderValue && Subject._.Org_ID == current.Org_ID && Subject._.Sbj_PID == current.Sbj_PID)
|
||
.OrderBy(Subject._.Sbj_Tax.Asc).ToFirst<Subject>();
|
||
if (down == null) return false;
|
||
//交换排序号
|
||
current.Sbj_Tax = down.Sbj_Tax;
|
||
down.Sbj_Tax = orderValue;
|
||
using (DbTrans tran = Gateway.Default.BeginTrans())
|
||
{
|
||
try
|
||
{
|
||
tran.Save<Subject>(current);
|
||
tran.Save<Subject>(down);
|
||
tran.Commit();
|
||
return true;
|
||
}
|
||
catch
|
||
{
|
||
tran.Rollback();
|
||
throw;
|
||
|
||
}
|
||
finally
|
||
{
|
||
tran.Close();
|
||
}
|
||
}
|
||
}
|
||
|
||
#region 私有方法
|
||
/// <summary>
|
||
/// 计算当前对象在多级分类中的层深
|
||
/// </summary>
|
||
/// <param name="entity"></param>
|
||
/// <returns></returns>
|
||
private int _ClacLevel(Song.Entities.Subject entity)
|
||
{
|
||
//if (entity.Sbj_PID == 0) return 1;
|
||
int level = 1;
|
||
Song.Entities.Subject tm = Gateway.Default.From<Subject>().Where(Subject._.Sbj_ID == entity.Sbj_PID).ToFirst<Subject>();
|
||
while (tm != null)
|
||
{
|
||
level++;
|
||
if (tm.Sbj_PID == 0) break;
|
||
if (tm.Sbj_PID != 0)
|
||
{
|
||
tm = Gateway.Default.From<Subject>().Where(Subject._.Sbj_ID == tm.Sbj_PID).ToFirst<Subject>();
|
||
}
|
||
}
|
||
entity.Sbj_Level = level;
|
||
Gateway.Default.Save<Subject>(entity);
|
||
Song.Entities.Subject[] childs = Gateway.Default.From<Subject>().Where(Subject._.Sbj_PID == entity.Sbj_ID).ToArray<Subject>();
|
||
foreach (Subject s in childs)
|
||
{
|
||
_ClacLevel(s);
|
||
}
|
||
return level;
|
||
}
|
||
/// <summary>
|
||
/// 计算当前对象在多级分类中的路径
|
||
/// </summary>
|
||
/// <param name="entity"></param>
|
||
/// <returns></returns>
|
||
private string _ClacXPath(Song.Entities.Subject entity)
|
||
{
|
||
//if (entity.Sbj_PID == 0) return "";
|
||
string xpath = "";
|
||
Song.Entities.Subject tm = Gateway.Default.From<Subject>().Where(Subject._.Sbj_ID == entity.Sbj_PID).ToFirst<Subject>();
|
||
while (tm != null)
|
||
{
|
||
xpath = tm.Sbj_ID + "," + xpath;
|
||
if (tm.Sbj_PID == 0) break;
|
||
if (tm.Sbj_PID != 0)
|
||
{
|
||
tm = Gateway.Default.From<Subject>().Where(Subject._.Sbj_ID == tm.Sbj_PID).ToFirst<Subject>();
|
||
}
|
||
}
|
||
entity.Sbj_XPath = xpath;
|
||
Gateway.Default.Save<Subject>(entity);
|
||
Song.Entities.Subject[] childs = Gateway.Default.From<Subject>().Where(Subject._.Sbj_PID == entity.Sbj_ID).ToArray<Subject>();
|
||
foreach (Subject s in childs)
|
||
{
|
||
_ClacXPath(s);
|
||
}
|
||
return xpath;
|
||
}
|
||
#endregion
|
||
}
|
||
}
|