/
OutlineCom.cs
1058 lines (1044 loc) · 44.5 KB
/
OutlineCom.cs
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using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Linq;
using WeiSha.Common;
using Song.Entities;
using WeiSha.Data;
using Song.ServiceInterfaces;
using System.Data.Common;
using System.Xml.Serialization;
using System.Threading;
namespace Song.ServiceImpls
{
public class OutlineCom : IOutline
{
#region 课程章节管理
/// <summary>
/// 添加章节
/// </summary>
/// <param name="entity">业务实体</param>
public void OutlineAdd(Outline entity)
{
Song.Entities.Organization org = Business.Do<IOrganization>().OrganCurrent();
if (org != null) entity.Org_ID = org.Org_ID;
//所属专业
if (entity.Sbj_ID <= 0 && entity.Cou_ID>0)
{
Song.Entities.Course cou = Business.Do<ICourse>().CourseSingle(entity.Cou_ID);
entity.Sbj_ID = cou.Sbj_ID;
}
//计算排序号
object obj = Gateway.Default.Max<Outline>(Outline._.Ol_Tax, Outline._.Cou_ID == entity.Cou_ID && Outline._.Ol_PID == entity.Ol_PID);
entity.Ol_Tax = obj is int ? (int)obj + 1 : 1;
if (string.IsNullOrWhiteSpace(entity.Ol_UID))
entity.Ol_UID = WeiSha.Common.Request.UniqueID();
//层级
entity.Ol_Level = _ClacLevel(entity);
entity.Ol_XPath = _ClacXPath(entity);
Gateway.Default.Save<Outline>(entity);
this.OnSave(null, EventArgs.Empty);
}
/// <summary>
/// 批量添加章节，可用于导入时
/// </summary>
/// <param name="orgid">机构id</param>
/// <param name="sbjid">专业id</param>
/// <param name="couid">课程（或课程）id</param>
/// <param name="names">名称，可以是用逗号分隔的多个名称</param>
/// <returns></returns>
public Outline OutlineBatchAdd(int orgid, int sbjid, int couid, string names)
{
//整理名称信息
names = names.Replace("，", ",");
List<string> listName = new List<string>();
foreach (string s in names.Split(','))
if (s.Trim() != "") listName.Add(s.Trim());
//
int pid = 0;
Song.Entities.Outline last = null;
for (int i = 0; i < listName.Count; i++)
{
Song.Entities.Outline current = OutlineIsExist(orgid, sbjid, couid, pid, listName[i]);
if (current == null)
{
current = new Outline();
current.Ol_Name = listName[i].Trim();
current.Ol_IsUse = true;
current.Org_ID = orgid;
current.Sbj_ID = sbjid;
current.Cou_ID = couid;
current.Ol_PID = pid;
this.OutlineAdd(current);
}
last = current;
pid = current.Ol_ID;
}
return last;
}
/// <summary>
/// 是否已经存在章节
/// </summary>
/// <param name="orgid">机构id</param>
/// <param name="sbjid">专业id</param>
/// <param name="couid">课程（或课程）id</param>
/// <param name="pid">上级id</param>
/// <param name="name"></param>
/// <returns></returns>
public Outline OutlineIsExist(int orgid, int sbjid, int couid, int pid, string name)
{
WhereClip wc = Outline._.Org_ID == orgid;
if (sbjid > 0) wc &= Outline._.Sbj_ID == sbjid;
if (couid > 0) wc &= Outline._.Cou_ID == couid;
if (pid >= 0) wc &= Outline._.Ol_PID == pid;
return Gateway.Default.From<Outline>().Where(wc && Outline._.Ol_Name == name.Trim()).ToFirst<Outline>();
}
/// <summary>
/// 修改章节
/// </summary>
/// <param name="entity">业务实体</param>
public void OutlineSave(Outline entity)
{
Outline old = Gateway.Default.From<Outline>().Where(Outline._.Ol_ID == entity.Ol_ID).ToFirst<Outline>();
if (old.Ol_PID != entity.Ol_PID)
{
object obj = Gateway.Default.Max<Outline>(Outline._.Ol_Tax, Outline._.Org_ID == entity.Org_ID && Outline._.Ol_PID == entity.Ol_PID);
entity.Ol_Tax = obj is int ? (int)obj + 1 : 0;
}
entity.Ol_Level = _ClacLevel(entity);
entity.Ol_XPath = _ClacXPath(entity);
Gateway.Default.Save<Outline>(entity);
this.OnSave(entity, EventArgs.Empty);
}
/// <summary>
/// 删除章节
/// </summary>
/// <param name="entity">业务实体</param>
public void OutlineDelete(Outline entity)
{
if (entity == null) return;
List<Song.Entities.Accessory> acs = Business.Do<IAccessory>().GetAll(entity.Ol_UID);
using (DbTrans tran = Gateway.Default.BeginTrans())
{
try
{
//删除附件
foreach (Song.Entities.Accessory ac in acs)
Business.Do<IAccessory>().Delete(ac.As_Id);
//先清理试题
tran.Delete<Questions>(Questions._.Ol_ID == entity.Ol_ID);
tran.Delete<Outline>(Outline._.Ol_ID == entity.Ol_ID);
tran.Commit();
this.OnDelete(entity, null);
}
catch (Exception ex)
{
tran.Rollback();
throw ex;
}
finally
{
tran.Close();
}
}
}
/// <summary>
/// 删除，按主键ID；
/// </summary>
/// <param name="identify">实体的主键</param>
public void OutlineDelete(int identify)
{
Song.Entities.Outline ol = this.OutlineSingle(identify);
this.OutlineDelete(ol);
}
/// <summary>
/// 获取单一实体对象，按主键ID；
/// </summary>
/// <param name="identify">实体的主键</param>
/// <returns></returns>
public Outline OutlineSingle(int identify)
{
//当前章节
Outline curr = null;
//从缓存中读取
List<Outline> list = WeiSha.Common.Cache<Outline>.Data.List;
if (list == null || list.Count < 1) list = this.OutlineBuildCache();
List<Outline> tm = (from l in list
where l.Ol_ID == identify
select l).ToList<Outline>();
if (tm.Count > 0) curr = tm[0];
if (curr == null) curr = Gateway.Default.From<Outline>().Where(Outline._.Ol_ID == identify).ToFirst<Outline>();
return curr;
}
/// <summary>
/// 获取单一实体对象，按唯一值，即UID；
/// </summary>
/// <param name="uid">全局唯一值</param>
/// <returns></returns>
public Outline OutlineSingle(string uid)
{
//当前章节
Outline curr = null;
//从缓存中读取
List<Outline> list = WeiSha.Common.Cache<Outline>.Data.List;
if (list == null || list.Count < 1) list = this.OutlineBuildCache();
List<Outline> tm = (from l in list
where l.Ol_UID == uid
select l).ToList<Outline>();
if (tm.Count > 0) curr = tm[0];
if (curr == null) curr = Gateway.Default.From<Outline>().Where(Outline._.Ol_UID == uid).ToFirst<Outline>();
return curr;
}
/// <summary>
/// 当前章节下的所有子章节id
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public List<int> TreeID(int id)
{
List<int> ints = new List<int>();
Outline ol = this.OutlineSingle(id);
if (ol == null) return ints;
//取同一个课程下的所有章节
Outline[] ols = this.OutlineCount(ol.Cou_ID, -1, true, -1);
ints = _treeid(id, ols);
return ints;
}
private List<int> _treeid( int id,Outline[] ols)
{
List<int> list = new List<int>();
list.Add(id);
foreach (Outline o in ols)
{
if (o.Ol_PID != id) continue;
List<int> tm = _treeid(o.Ol_ID, ols);
foreach (int t in tm)
list.Add(t);
}
return list;
}
/// <summary>
/// 获取某个课程下第一个章节
/// </summary>
/// <param name="couid">课程Id</param>
/// <param name="isUse">是否包括只是允许的章节,null取所有范围，true只是允许采用的章节,false反之</param>
/// <returns></returns>
public Outline OutlineFirst(int couid, bool? isUse)
{
Song.Entities.Outline[] outlines = null;
WhereClip wc = Outline._.Cou_ID == couid;
if (isUse != null) wc.And(Outline._.Ol_IsUse == (bool)isUse);
outlines = Gateway.Default.From<Outline>().Where(wc).OrderBy(Outline._.Ol_Tax.Asc).ToArray<Outline>();
Song.Entities.Outline ol = null;
if (outlines != null && outlines.Length > 0)
{
foreach (Song.Entities.Outline t in outlines)
{
if (t.Ol_PID == 0)
{
ol = t;
break;
}
}
}
return ol;
}
/// <summary>
/// 获取章节名称，如果为多级，则带上父级名称
/// </summary>
/// <param name="identify"></param>
/// <returns></returns>
public string OutlineName(int identify)
{
Outline entity = this.OutlineSingle(identify);
if (entity == null) return "";
string xpath = entity.Ol_Name;
Song.Entities.Outline tm = Gateway.Default.From<Outline>().Where(Outline._.Ol_ID == entity.Ol_PID).ToFirst<Outline>();
while (tm != null)
{
xpath = tm.Ol_Name + "," + xpath;
if (tm.Ol_PID == 0) break;
if (tm.Ol_PID != 0)
{
tm = Gateway.Default.From<Outline>().Where(Outline._.Ol_ID == entity.Ol_PID).ToFirst<Outline>();
}
}
return xpath;
}
/// <summary>
/// 获取所有课程章节
/// </summary>
/// <param name="couid">所属课程id</param>
/// <param name="isUse"></param>
/// <returns></returns>
public Outline[] OutlineAll(int couid, bool? isUse)
{
//从缓存中读取
List<Outline> list = WeiSha.Common.Cache<Outline>.Data.List;
if (list == null || list.Count < 1) list = this.OutlineBuildCache();
//linq查询
var from = from l in list select l;
if (couid > 0) from = from.Where<Outline>(p => p.Cou_ID == couid);
if (isUse != null) from = from.Where<Outline>(p => p.Ol_IsUse == (bool)isUse);
List<Outline> tm = from.OrderBy(c => c.Ol_Tax).ToList<Outline>();
if (tm.Count > 0) return tm.ToArray<Outline>();
//orm查询
WhereClip wc = new WhereClip();
if (couid > 0) wc.And(Outline._.Cou_ID == couid);
if (isUse != null) wc.And(Outline._.Ol_IsUse == (bool)isUse);
return Gateway.Default.From<Outline>().Where(wc).OrderBy(Outline._.Ol_Tax.Asc).ToArray<Outline>();
}
#region 生成树形结构的章节列表
/// <summary>
/// 生成树形结构的章节列表
/// </summary>
/// <param name="outlines"></param>
/// <returns></returns>
public DataTable OutlineTree(Song.Entities.Outline[] outlines)
{
DataTable dt = WeiSha.WebControl.Tree.ObjectArrayToDataTable.To(outlines);
WeiSha.WebControl.Tree.DataTableTree tree = new WeiSha.WebControl.Tree.DataTableTree();
tree.IdKeyName = "OL_ID";
tree.ParentIdKeyName = "OL_PID";
tree.TaxKeyName = "Ol_Tax";
tree.Root = 0;
dt = tree.BuilderTree(dt);
return buildOutlineTree(dt, 0, 0, "");
}
/// <summary>
/// 生成章节的等级序号
/// </summary>
/// <param name="outlines"></param>
/// <param name="pid">上级ID</param>
/// <param name="level">层深</param>
/// <param name="prefix">序号前缀</param>
/// <returns></returns>
private DataTable buildOutlineTree(DataTable outlines, int pid, int level, string prefix)
{
int index = 1;
foreach (DataRow ol in outlines.Rows)
{
if (Convert.ToInt32(ol["Ol_PID"]) == pid)
{
ol["Ol_XPath"] = prefix + index.ToString() + ".";
ol["Ol_Level"] = level;
buildOutlineTree(outlines, Convert.ToInt32(ol["Ol_ID"]), level + 1, ol["Ol_XPath"].ToString());
index++;
}
}
return outlines;
}
#endregion
/// <summary>
/// 清除章节下的试题、附件等
/// </summary>
/// <param name="identify"></param>
public void OutlineClear(int identify)
{
//清理试题
Gateway.Default.Delete<Questions>(Questions._.Ol_ID == identify);
//清理附件
Outline ol = this.OutlineSingle(identify);
if (ol != null)
{
Business.Do<IAccessory>().Delete(ol.Ol_UID);
}
}
private static object lock_cache_build = new object();
/// <summary>
/// 构建缓存
/// </summary>
public List<Outline> OutlineBuildCache()
{
lock (lock_cache_build)
{
WeiSha.Common.Cache<Song.Entities.Outline>.Data.Clear();
Song.Entities.Outline[] outls = Gateway.Default.From<Song.Entities.Outline>().ToArray<Outline>();
WeiSha.Common.Cache<Song.Entities.Outline>.Data.Fill(outls);
////计算每个章节下的试题数
//foreach (Outline o in outls)
//{
// o.Ol_QuesCount = this.QuesOfCount(o.Ol_ID, -1, true, true);
// Gateway.Default.Save<Outline>(o);
//}
return WeiSha.Common.Cache<Outline>.Data.List;
}
}
/// <summary>
/// 获取指定个数的课程列表
/// </summary>
/// <param name="couid">所属课程id</param>
/// <param name="isUse"></param>
/// <param name="count">取多少条记录，如果小于等于0，则取所有</param>
/// <returns></returns>
public Outline[] OutlineCount(int couid, string search, bool? isUse, int count)
{
WhereClip wc = Outline._.Cou_ID == couid;
if (!string.IsNullOrWhiteSpace(search)) wc.And(Outline._.Ol_Name.Like("%" + search + "%"));
if (isUse != null) wc.And(Outline._.Ol_IsUse == (bool)isUse);
return Gateway.Default.From<Outline>().Where(wc).OrderBy(Outline._.Ol_Tax.Asc).ToArray<Outline>(count);
}
public Outline[] OutlineCount(int couid, int pid, bool? isUse, int count)
{
//从缓存中读取
List<Outline> list = WeiSha.Common.Cache<Outline>.Data.List;
if (list == null || list.Count < 1) list = this.OutlineBuildCache();
//linq查询
var from = from l in list select l;
if (couid > 0) from = from.Where<Outline>(p => p.Cou_ID == couid);
if (isUse != null) from = from.Where<Outline>(p => p.Ol_IsUse == (bool)isUse);
List<Outline> tm = null;
if (count > 0)
{
tm = from.OrderBy(c => c.Ol_Tax).Take<Outline>(count).ToList<Outline>();
}
else
{
tm = from.OrderBy(c => c.Ol_Tax).ToList<Outline>();
}
if (tm.Count > 0) return tm.ToArray<Outline>();
//从数据库读取
WhereClip wc = Outline._.Cou_ID == couid;
if (pid >= 0) wc.And(Outline._.Ol_PID == pid);
if (isUse != null) wc.And(Outline._.Ol_IsUse == (bool)isUse);
return Gateway.Default.From<Outline>().Where(wc).OrderBy(Outline._.Ol_Tax.Asc).ToArray<Outline>(count);
}
public Outline[] OutlineCount(int orgid, int sbjid, int couid, int pid, bool? isUse, int count)
{
WhereClip wc = new WhereClip();
if (orgid > 0) wc &= Outline._.Org_ID == orgid;
if (sbjid > 0) wc &= Outline._.Sbj_ID == sbjid;
if (couid > 0) wc &= Outline._.Cou_ID == couid;
if (pid > -1) wc &= Outline._.Ol_PID == pid;
if (isUse != null) wc.And(Outline._.Ol_IsUse == (bool)isUse);
return Gateway.Default.From<Outline>().Where(wc).OrderBy(Outline._.Ol_Tax.Asc).ToArray<Outline>(count);
}
/// <summary>
/// 当前课程下的章节数
/// </summary>
/// <param name="couid">课程id</param>
/// <param name="pid"></param>
/// <param name="isUse"></param>
/// <returns></returns>
public int OutlineOfCount(int couid, int pid, bool? isUse)
{
WhereClip wc = Outline._.Cou_ID == couid;
if (pid >= 0) wc.And(Outline._.Ol_PID == pid);
if (isUse != null) wc.And(Outline._.Ol_IsUse == (bool)isUse);
return Gateway.Default.Count<Outline>(wc);
}
public int OutlineOfCount(int orgid, int sbjid, int couid, int pid, bool? isUse)
{
WhereClip wc = new WhereClip();
if (orgid > 0) wc &= Outline._.Org_ID == orgid;
if (sbjid > 0) wc &= Outline._.Sbj_ID == sbjid;
if (couid > 0) wc &= Outline._.Cou_ID == couid;
if (pid > -1) wc &= Outline._.Ol_PID == pid;
if (isUse != null) wc.And(Outline._.Ol_IsUse == (bool)isUse);
return Gateway.Default.Count<Outline>(wc);
}
/// <summary>
/// 是否有子级章节
/// </summary>
/// <param name="couid">课程id</param>
/// <param name="pid">父id</param>
/// <param name="isUse"></param>
/// <returns></returns>
public bool OutlineIsChildren(int couid, int pid, bool? isUse)
{
WhereClip wc = Outline._.Cou_ID == couid;
if (pid >= 0) wc.And(Outline._.Ol_PID == pid);
if (isUse != null) wc.And(Outline._.Ol_IsUse == (bool)isUse);
int count = Gateway.Default.Count<Outline>(wc);
return count > 0;
}
/// <summary>
/// 当前章节是否有试题
/// </summary>
/// <param name="olid"></param>
/// <param name="isUse"></param>
/// <returns></returns>
public bool OutlineIsQues(int olid, bool? isUse)
{
WhereClip wc = Questions._.Ol_ID == olid;
if (isUse != null) wc.And(Questions._.Qus_IsUse == (bool)isUse);
int count = Gateway.Default.Count<Questions>(wc);
return count > 0;
}
/// <summary>
/// 当前章节的子级章节
/// </summary>
/// <param name="couid"></param>
/// <param name="pid"></param>
/// <param name="isUse"></param>
/// <returns></returns>
public Outline[] OutlineChildren(int couid, int pid, bool? isUse,int count)
{
WhereClip wc = Outline._.Cou_ID == couid;
if (pid >= 0) wc.And(Outline._.Ol_PID == pid);
if (isUse != null) wc.And(Outline._.Ol_IsUse == (bool)isUse);
return Gateway.Default.From<Outline>().Where(wc).OrderBy(Outline._.Ol_Tax.Asc).ToArray<Outline>(count);
}
/// <summary>
/// 分页取课程章节的信息
/// </summary>
/// <param name="couid">所属课程id</param>
/// <param name="isUse"></param>
/// <param name="searTxt"></param>
/// <param name="size"></param>
/// <param name="index"></param>
/// <param name="countSum"></param>
/// <returns></returns>
public Outline[] OutlinePager(int couid, bool? isUse, string searTxt, int size, int index, out int countSum)
{
WhereClip wc = Outline._.Cou_ID == couid;
if (isUse != null) wc.And(Outline._.Ol_IsUse == (bool)isUse);
if (!string.IsNullOrWhiteSpace(searTxt)) wc.And(Outline._.Ol_Name.Like("%" + searTxt + "%"));
countSum = Gateway.Default.Count<Outline>(wc);
return Gateway.Default.From<Outline>().Where(wc).OrderBy(Outline._.Ol_Tax.Asc).ToArray<Outline>(size, (index - 1) * size);
}
/// <summary>
/// 当前章节的试题
/// </summary>
/// <param name="olid"></param>
/// <param name="type"></param>
/// <param name="isUse"></param>
/// <param name="count"></param>
/// <returns></returns>
public Questions[] QuesCount(int olid, int type, bool? isUse, int count)
{
WhereClip wc = new WhereClip();
if (olid > 0) wc.And(Questions._.Ol_ID == olid);
if (type > 0) wc.And(Questions._.Qus_Type == type);
if (isUse != null) wc.And(Questions._.Qus_IsUse == (bool)isUse);
return Gateway.Default.From<Questions>().Where(wc).OrderBy(Questions._.Qus_ID.Desc).ToArray<Questions>(count);
}
/// <summary>
/// 当前章节有多少道试题
/// </summary>
/// <param name="olid"></param>
/// <param name="type"></param>
/// <param name="isUse"></param>
/// <param name="isAll">是否取所有（当前章节下所有子章节的试题一块算）</param>
/// <returns></returns>
public int QuesOfCount(int olid, int type, bool? isUse, bool isAll)
{
WhereClip wc = new WhereClip();
if (type > 0) wc.And(Questions._.Qus_Type == type);
if (isUse != null) wc.And(Questions._.Qus_IsUse == (bool)isUse);
if (olid > 0 && isAll)
{
WhereClip wcSbjid = new WhereClip();
List<int> list = TreeID(olid);
foreach (int l in list)
wcSbjid.Or(Questions._.Ol_ID == l);
wc.And(wcSbjid);
}
return Gateway.Default.Count<Questions>(wc);
}
/// <summary>
/// 将当前项目向上移动；仅在当前对象的同层移动，即同一父节点下的对象这前移动；
/// </summary>
/// <param name="id"></param>
/// <returns>如果已经处于顶端，则返回false；移动成功，返回true</returns>
public bool OutlineUp(int couid, int id)
{
//当前对象
Outline current = Gateway.Default.From<Outline>().Where(Outline._.Ol_ID == id).ToFirst<Outline>();
int tax = (int)current.Ol_Tax;
//上一个对象，即兄长对象；兄长不存则直接返回false;
Outline prev = Gateway.Default.From<Outline>()
.Where(Outline._.Ol_Tax < tax && Outline._.Cou_ID == current.Cou_ID && Outline._.Ol_PID == current.Ol_PID)
.OrderBy(Outline._.Ol_Tax.Desc).ToFirst<Outline>();
//有当前等级哥哥对像
if (prev != null)
{
//交换排序号
current.Ol_Tax = prev.Ol_Tax;
prev.Ol_Tax = tax;
using (DbTrans tran = Gateway.Default.BeginTrans())
{
try
{
tran.Save<Outline>(current);
tran.Save<Outline>(prev);
tran.Commit();
}
catch
{
tran.Rollback();
throw;
}
finally
{
tran.Close();
}
}
this.OnSave(null, EventArgs.Empty);
return true;
}
else
{
if (current.Ol_PID == 0) return false;
//没有当前等级哥哥对像
Song.Entities.Outline top = Gateway.Default.From<Outline>().Where(Outline._.Ol_ID == current.Ol_PID).ToFirst<Outline>();
if (top == null) return false;
//父级的哥哥
Song.Entities.Outline topPrev = Gateway.Default.From<Outline>()
.Where(Outline._.Ol_Tax < top.Ol_Tax && Outline._.Cou_ID == current.Cou_ID && Outline._.Ol_PID == top.Ol_PID)
.OrderBy(Outline._.Ol_Tax.Desc).ToFirst<Outline>();
if (topPrev == null) return false;
//父级哥哥的子级的最大序号
object obj = Gateway.Default.Max<Outline>(Outline._.Ol_Tax, Outline._.Ol_PID == topPrev.Ol_ID);
current.Ol_Tax = obj is int ? (int)obj + 1 : 1;
current.Ol_PID = topPrev.Ol_ID;
current.Ol_Level = 1;
Gateway.Default.Save<Outline>(current);
this.OnSave(null, EventArgs.Empty);
return true;
}
}
/// <summary>
/// 将当前项目向下移动；仅在当前对象的同层移动，即同一父节点下的对象这前移动；
/// </summary>
/// <param name="id"></param>
/// <returns>如果已经处于顶端，则返回false；移动成功，返回true</returns>
public bool OutlineDown(int couid, int id)
{
//当前对象
Outline current = Gateway.Default.From<Outline>().Where(Outline._.Ol_ID == id).ToFirst<Outline>();
int tax = (int)current.Ol_Tax;
//下一个对象，即弟弟对象；弟弟不存则直接返回false;
Outline next = Gateway.Default.From<Outline>()
.Where(Outline._.Ol_Tax > tax && Outline._.Cou_ID == current.Cou_ID && Outline._.Ol_PID == current.Ol_PID)
.OrderBy(Outline._.Ol_Tax.Asc).ToFirst<Outline>();
if (next != null)
{
current.Ol_Tax = next.Ol_Tax;
next.Ol_Tax = tax;
using (DbTrans tran = Gateway.Default.BeginTrans())
{
try
{
tran.Save<Outline>(current);
tran.Save<Outline>(next);
tran.Commit();
}
catch
{
tran.Rollback();
throw;
}
finally
{
tran.Close();
}
}
this.OnSave(null, EventArgs.Empty);
return true;
}
else
{
if (current.Ol_PID == 0) return false;
//没有当前等级父对象
Song.Entities.Outline parent = Gateway.Default.From<Outline>().Where(Outline._.Ol_ID == current.Ol_PID).ToFirst<Outline>();
if (parent == null) return false;
//父级的弟弟
Song.Entities.Outline topNext = Gateway.Default.From<Outline>()
.Where(Outline._.Ol_Tax > parent.Ol_Tax && Outline._.Cou_ID == current.Cou_ID && Outline._.Ol_PID == parent.Ol_PID)
.OrderBy(Outline._.Ol_Tax.Asc).ToFirst<Outline>();
if (topNext == null) return false;
//父级弟弟的子级
Song.Entities.Outline[] child = this.OutlineCount(couid, topNext.Ol_ID, null, -1);
using (DbTrans tran = Gateway.Default.BeginTrans())
{
try
{
current.Ol_Tax = 1;
current.Ol_PID = topNext.Ol_ID;
tran.Save<Outline>(current);
//父级弟弟的子级的排序号重排
for (int i = 0; i < child.Length; i++)
tran.Update<Outline>(Outline._.Ol_Tax, i + 2, Outline._.Ol_ID == child[i].Ol_ID);
tran.Commit();
}
catch
{
tran.Rollback();
throw;
}
finally
{
tran.Close();
}
}
}
this.OnSave(null, EventArgs.Empty);
return true;
}
/// <summary>
/// 将当前章节升级
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public bool OutlineToLeft(int couid, int id)
{
//当前对象
Outline current = Gateway.Default.From<Outline>().Where(Outline._.Ol_ID == id).ToFirst<Outline>();
//当前父对象
Outline parent = Gateway.Default.From<Outline>().Where(Outline._.Ol_ID == current.Ol_PID).ToFirst<Outline>();
//顶级列表
Song.Entities.Outline[] top = Gateway.Default.From<Outline>()
.Where(Outline._.Ol_Tax > parent.Ol_Tax && Outline._.Cou_ID == current.Cou_ID && Outline._.Ol_PID == parent.Ol_PID)
.OrderBy(Outline._.Ol_Tax.Asc).ToArray<Outline>();
//当前父的同级中，比自己大的子级（即自身后面的）
Song.Entities.Outline[] child = Gateway.Default.From<Outline>()
.Where(Outline._.Ol_Tax > current.Ol_Tax && Outline._.Cou_ID == current.Cou_ID && Outline._.Ol_PID == current.Ol_PID)
.OrderBy(Outline._.Ol_Tax.Asc).ToArray<Outline>();
//
using (DbTrans tran = Gateway.Default.BeginTrans())
{
try
{
current.Ol_PID = 0;
current.Ol_Level = 0;
current.Ol_Tax = parent.Ol_Tax + 1;
current.Attach();
tran.Save<Outline>(current);
//处理升级后的顶级排序问题
for (int i = 0; i < top.Length; i++)
{
top[i].Ol_Tax = top[i].Ol_Tax + 1;
top[i].Attach();
tran.Save<Outline>(top[i]);
}
//处理升级后，同级的子级的排序号
for (int i = 0; i < child.Length; i++)
{
child[i].Ol_Tax = i + 1;
child[i].Ol_PID = current.Ol_ID;
child[i].Ol_Level = 1;
child[i].Attach();
tran.Save<Outline>(child[i]);
}
tran.Commit();
}
catch
{
tran.Rollback();
throw;
}
finally
{
tran.Close();
}
}
this.OnSave(null, EventArgs.Empty);
return true;
}
/// <summary>
/// 将当前章节退级
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public bool OutlineToRight(int couid, int id)
{
//当前对象
Outline current = Gateway.Default.From<Outline>().Where(Outline._.Ol_ID == id).ToFirst<Outline>();
if (current.Ol_Tax == 1) throw new WeiSha.Common.ExceptionForAlert("最顶级的第一个章节，不可以降级");
//上一个对象，即兄长对象；兄长不存则直接返回false;
Outline prev = Gateway.Default.From<Outline>()
.Where(Outline._.Ol_Tax < current.Ol_Tax && Outline._.Cou_ID == current.Cou_ID && Outline._.Ol_PID == current.Ol_PID)
.OrderBy(Outline._.Ol_Tax.Desc).ToFirst<Outline>();
object objmaxTax = Gateway.Default.Max<Outline>(Outline._.Ol_Tax, Outline._.Ol_PID == prev.Ol_ID);
int maxTax = objmaxTax is int ? (int)objmaxTax : 0;
//当前对象的子级
Song.Entities.Outline[] child = Gateway.Default.From<Outline>()
.Where(Outline._.Cou_ID == current.Cou_ID && Outline._.Ol_PID == current.Ol_ID)
.OrderBy(Outline._.Ol_Tax.Asc).ToArray<Outline>();
//顶级列表
Song.Entities.Outline[] top = Gateway.Default.From<Outline>()
.Where(Outline._.Ol_Tax > prev.Ol_Tax && Outline._.Cou_ID == current.Cou_ID && Outline._.Ol_PID == prev.Ol_PID && Outline._.Ol_ID != current.Ol_ID)
.OrderBy(Outline._.Ol_Tax.Asc).ToArray<Outline>();
//
using (DbTrans tran = Gateway.Default.BeginTrans())
{
try
{
current.Ol_PID = prev.Ol_ID;
current.Ol_Level = 1;
current.Ol_Tax = maxTax + 1;
tran.Save<Outline>(current);
//处理升级后，同级的子级的排序号
for (int i = 0; i < child.Length; i++)
{
child[i].Ol_Tax = i + 2 + maxTax;
child[i].Ol_PID = prev.Ol_ID;
child[i].Attach();
tran.Save<Outline>(child[i]);
}
for (int i = 0; i < top.Length; i++)
{
top[i].Ol_Tax = top[i].Ol_Tax - 1;
top[i].Attach();
tran.Save<Outline>(top[i]);
}
tran.Commit();
}
catch
{
tran.Rollback();
throw;
}
finally
{
tran.Close();
}
}
this.OnSave(null, EventArgs.Empty);
return true;
}
#endregion
#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.Outline entity)
{
//if (entity.Ol_PID == 0) return 1;
int level = 0;
Song.Entities.Outline tm = Gateway.Default.From<Outline>().Where(Outline._.Ol_ID == entity.Ol_PID).ToFirst<Outline>();
while (tm != null)
{
level++;
if (tm.Ol_PID == 0) break;
if (tm.Ol_PID != 0)
{
tm = Gateway.Default.From<Outline>().Where(Outline._.Ol_ID == tm.Ol_PID).ToFirst<Outline>();
}
}
entity.Ol_Level = level;
Gateway.Default.Save<Outline>(entity);
Song.Entities.Outline[] childs = Gateway.Default.From<Outline>().Where(Outline._.Ol_PID == entity.Ol_ID).ToArray<Outline>();
foreach (Outline 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.Outline entity)
{
//if (entity.Ol_PID == 0) return "";
string xpath = "";
Song.Entities.Outline tm = Gateway.Default.From<Outline>().Where(Outline._.Ol_ID == entity.Ol_PID).ToFirst<Outline>();
while (tm != null)
{
xpath = tm.Ol_ID + "," + xpath;
if (tm.Ol_PID == 0) break;
if (tm.Ol_PID != 0)
{
tm = Gateway.Default.From<Outline>().Where(Outline._.Ol_ID == tm.Ol_PID).ToFirst<Outline>();
}
}
entity.Ol_XPath = xpath;
Gateway.Default.Save<Outline>(entity);
Song.Entities.Outline[] childs = Gateway.Default.From<Outline>().Where(Outline._.Ol_PID == entity.Ol_ID).ToArray<Outline>();
foreach (Outline s in childs)
{
_ClacXPath(s);
}
return xpath;
}
#endregion
#region 章节视频事件
/// <summary>
/// 添加章节中视频播放事件
/// </summary>
/// <param name="entity"></param>
public void EventAdd(OutlineEvent entity)
{
Song.Entities.Organization org = Business.Do<IOrganization>().OrganCurrent();
if (org != null) entity.Org_ID = org.Org_ID;
entity.Oe_CrtTime = DateTime.Now;
Gateway.Default.Save<OutlineEvent>(entity);
}
/// <summary>
/// 修改播放事件
/// </summary>
/// <param name="entity"></param>
public void EventSave(OutlineEvent entity)
{
Gateway.Default.Save<OutlineEvent>(entity);
}
/// <summary>
/// 删除事件
/// </summary>
/// <param name="entity"></param>
public void EventDelete(OutlineEvent entity)
{
Gateway.Default.Delete<OutlineEvent>(entity);
}
/// <summary>
/// 删除事件
/// </summary>
/// <param name="identify"></param>
public void EventDelete(int identify)
{
Gateway.Default.Delete<OutlineEvent>(OutlineEvent._.Oe_ID == identify);
}
/// <summary>
/// 获取单一实体对象，按主键ID；
/// </summary>
/// <param name="identify">实体的主键</param>
/// <returns></returns>
public OutlineEvent EventSingle(int identify)
{
return Gateway.Default.From<OutlineEvent>().Where(OutlineEvent._.Oe_ID == identify).ToFirst<OutlineEvent>();
}
/// <summary>
/// 返回章节下的事件
/// </summary>
/// <param name="couid">课程ID</param>
/// <param name="olid">章节ID，不可以为零，否则会取所有</param>
/// <param name="type">事件类型，1为提醒，2为知识展示，3课堂提问，4实时反馈（例如，选择某项后跳转到某秒）</param>
/// <param name="isUse"></param>
/// <returns></returns>
public OutlineEvent[] EventAll(int couid, int olid, int type, bool? isUse)
{
WhereClip wc = OutlineEvent._.Ol_ID == olid;
if (couid > 0) wc.And(OutlineEvent._.Oe_IsUse == (bool)isUse);
if (type > 0) wc.And(OutlineEvent._.Oe_EventType == type);
if (isUse != null) wc.And(OutlineEvent._.Oe_IsUse == (bool)isUse);
return Gateway.Default.From<OutlineEvent>().Where(wc).OrderBy(OutlineEvent._.Oe_TriggerPoint.Asc).ToArray<OutlineEvent>();
}
/// <summary>
/// 返回章节下所有事件
/// </summary>
/// <param name="couid">课程ID</param>
/// <param name="uid">章节的全局唯一值</param>
/// <param name="type"></param>
/// <param name="isUse"></param>
/// <returns></returns>
public OutlineEvent[] EventAll(int couid, string uid, int type, bool? isUse)
{
WhereClip wc = OutlineEvent._.Ol_UID == uid;
if (couid > 0) wc.And(OutlineEvent._.Oe_IsUse == (bool)isUse);
if (type > 0) wc.And(OutlineEvent._.Oe_EventType == type);
if (isUse != null) wc.And(OutlineEvent._.Oe_IsUse == (bool)isUse);
return Gateway.Default.From<OutlineEvent>().Where(wc).OrderBy(OutlineEvent._.Oe_TriggerPoint.Asc).ToArray<OutlineEvent>();
}
/// <summary>
/// 获取试题类型的信息,事件类型：1为提醒，2为知识展示，3课堂提问，4实时反馈
/// </summary>
/// <param name="oeid"></param>
/// <returns></returns>
public DataTable EventQues(int oeid)
{
OutlineEvent oev = Gateway.Default.From<OutlineEvent>().Where(OutlineEvent._.Oe_ID == oeid).ToFirst<OutlineEvent>();
if (oev == null) return null;
//1为提醒，2为知识展示，3课堂提问，4实时反馈
if (oev.Oe_EventType != 3) return null;
string xml = oev.Oe_Datatable;
if (string.IsNullOrWhiteSpace(oev.Oe_Datatable) || oev.Oe_Datatable.Trim() == "") return null;
//转成datatable
try
{
XmlSerializer xmlSerial = new XmlSerializer(typeof(DataTable));
DataTable dt = (DataTable)xmlSerial.Deserialize(new System.IO.StringReader(oev.Oe_Datatable));
return dt;
}
catch
{
return null;
}
}
/// <summary>
/// 获取时间反馈的信息
/// </summary>
/// <param name="oeid"></param>
/// <returns></returns>
public DataTable EventFeedback(int oeid)
{
OutlineEvent oev = Gateway.Default.From<OutlineEvent>().Where(OutlineEvent._.Oe_ID == oeid).ToFirst<OutlineEvent>();
if (oev == null) return null;
//1为提醒，2为知识展示，3课堂提问，4实时反馈
if (oev.Oe_EventType != 4) return null;
string xml = oev.Oe_Datatable;
if (string.IsNullOrWhiteSpace(oev.Oe_Datatable) || oev.Oe_Datatable.Trim() == "") return null;
//转成datatable
try
{
XmlSerializer xmlSerial = new XmlSerializer(typeof(DataTable));
DataTable dt = (DataTable)xmlSerial.Deserialize(new System.IO.StringReader(oev.Oe_Datatable));
return dt;
}
catch
{
return null;
}
}