//
// 這個檔案是 數位課程 資料表的資料存取類別 檔案一
// 請不要修改這個檔案，重新產生資料存取類別時，這個檔案會被覆蓋掉
//
using System;
using System.Collections.Generic;
using System.Text;
using System.ComponentModel;
using System.Data;
using System.Data.Common;
using System.Transactions;
using WebLib;
using System.Data.SqlClient;

namespace Education
{
  ///<summary>
  /// 數位課程 資料存取類別
  ///</ summary>
  [DataObject]
  public partial class DAC_數位課程 : WebLib.DAC
  {
    //private string _tableName = "數位課程";
    private string _select = "select 課程編號, 課程名稱, 課程類別, 講師, 課程簡介, 長度, 課程網址, 開放觀看, 課程文件, 評量文件, DB_APPNO, DB_CRDAT, DB_CRUSR, DB_TRDAT, DB_TRUSR";
    private string _insert = "課程名稱, 課程類別, 講師, 課程簡介, 長度, 課程網址, 開放觀看, 課程文件, 評量文件, DB_APPNO, DB_CRDAT, DB_CRUSR, DB_TRDAT, DB_TRUSR";
    private string _insertValue = "@課程名稱, @課程類別, @講師, @課程簡介, @長度, @課程網址, @開放觀看, @課程文件, @評量文件, @DB_APPNO, @DB_CRDAT, @DB_CRUSR, @DB_TRDAT, @DB_TRUSR";
    private string _from = " from 數位課程 ";
    private string _where = " where 1=1 ";
    private string _order = " order by 課程編號 ";

    public DAC_數位課程()
      : base()
    {
    }

    public DAC_數位課程(DbConnection conn)
      : base(conn)
    {
    }

    [DataObjectMethod(DataObjectMethodType.Select)]
    public 數位課程List SelectAll()
    {
      數位課程List result = new 數位課程List();
      IDataList list = result as IDataList;
      DbCommand cmdSelect = NewCommand();
      cmdSelect.CommandText = _select + _from + _where + _order;
      Select(cmdSelect, ref list);
      return result;
    }

    [DataObjectMethod(DataObjectMethodType.Select)]
    public 數位課程List SelectOne(int 課程編號)
    {
      數位課程List result = new 數位課程List();
      IDataList list = result as IDataList;
      DbCommand cmdSelect = NewCommand();
      cmdSelect.CommandText = _select + _from + _where
          + "  and 課程編號 = @課程編號 "
          ;
      AddParam(cmdSelect, "課程編號", 課程編號);
      Select(cmdSelect, ref list);
      return result;
    }

    [DataObjectMethod(DataObjectMethodType.Insert)]
    public int InsertOne(數位課程 value)
    {
      using (TransactionScope ts = new TransactionScope(TransactionScopeOption.Required))
      {
        try
        {
          if (!BeforeInsertOne(value))
            return -1;

          DbCommand cmdInsert = NewCommand();
          cmdInsert.CommandText = 
              "insert into 數位課程"
            + "  (" + _insert + ")"
            + "values "
            + "  (" + _insertValue + ");"
            + "select @@identity"
            ;
          AddParam(cmdInsert, "課程名稱", value.課程名稱);
          AddParam(cmdInsert, "課程類別", value.課程類別);
          AddParam(cmdInsert, "講師", value.講師);
          AddParam(cmdInsert, "課程簡介", value.課程簡介);
          AddParam(cmdInsert, "長度", value.長度);
          AddParam(cmdInsert, "課程網址", value.課程網址);
          AddParam(cmdInsert, "開放觀看", value.開放觀看);
          AddParam(cmdInsert, "課程文件", value.課程文件);
          AddParam(cmdInsert, "評量文件", value.評量文件);
          AddParam(cmdInsert, "DB_APPNO", 1);
          AddParam(cmdInsert, "DB_CRDAT", DateTime.UtcNow.AddHours(8));
          AddParam(cmdInsert, "DB_CRUSR", CurrentUserId);
          AddParam(cmdInsert, "DB_TRDAT", DBNull.Value);
          AddParam(cmdInsert, "DB_TRUSR", DBNull.Value);
          int newId;
          ExecuteScalar(cmdInsert, out newId);
          AfterInsertOne(value);
          ts.Complete();
          return newId;
        }
        catch (Exception error)
        {
          bool handled;
          OnInsertOneError(error, out handled);
          if(!handled)
            throw error;
          return -1;
        }
      }
    }

    [DataObjectMethod(DataObjectMethodType.Update)]
    public int UpdateOne(數位課程 value)
    {
      using (TransactionScope ts = new TransactionScope(TransactionScopeOption.Required))
      {
        try
        {
          if (!BeforeUpdateOne(value))
            return -1;

          數位課程List oldValues = SelectOne(value.課程編號);
          if (oldValues.Count == 0 || oldValues[0].DB_APPNO != value.DB_APPNO)
          {
            throw new DBConcurrencyException("在更新 \"數位課程\" 資料表時發生並行例外：找不到要更新的資料列");
          }
          DbCommand cmdUpdate = NewCommand();
          cmdUpdate.CommandText =
            @"update 數位課程 
              set 
                課程名稱 = @課程名稱  ,
                課程類別 = @課程類別  ,
                講師 = @講師  ,
                課程簡介 = @課程簡介  ,
                長度 = @長度  ,
                課程網址 = @課程網址  ,
                開放觀看 = @開放觀看  ,
                課程文件 = @課程文件  ,
                評量文件 = @評量文件  ,
                DB_APPNO = DB_APPNO + 1,
                DB_TRDAT = @DB_TRDAT,
                DB_TRUSR = @DB_TRUSR
              where 1=1 
                and 課程編號 = @original_課程編號
                and DB_APPNO = @original_DB_APPNO
              ";
          AddParam(cmdUpdate, "課程名稱", value.課程名稱);
          AddParam(cmdUpdate, "課程類別", value.課程類別);
          AddParam(cmdUpdate, "講師", value.講師);
          AddParam(cmdUpdate, "課程簡介", value.課程簡介);
          AddParam(cmdUpdate, "長度", value.長度);
          AddParam(cmdUpdate, "課程網址", value.課程網址);
          AddParam(cmdUpdate, "開放觀看", value.開放觀看);
          AddParam(cmdUpdate, "課程文件", value.課程文件);
          AddParam(cmdUpdate, "評量文件", value.評量文件);
          AddParam(cmdUpdate, "DB_TRDAT", DateTime.UtcNow.AddHours(8));
          AddParam(cmdUpdate, "DB_TRUSR", CurrentUserId);
          AddParam(cmdUpdate, "original_課程編號", value.課程編號);
          AddParam(cmdUpdate, "original_DB_APPNO", value.DB_APPNO);
          int rowsAffected = ExecuteNonQuery(cmdUpdate);
          AfterUpdateOne(value);
          ts.Complete();
          return rowsAffected;
        }
        catch (Exception error)
        {
          bool handled;
          OnUpdateOneError(error, out handled);
          if(!handled)
            throw error;
          return -1;
        }
      }
    }

    [DataObjectMethod(DataObjectMethodType.Delete)]
    public int DeleteOne(int 課程編號, int DB_APPNO)
    {
      using (TransactionScope ts = new TransactionScope(TransactionScopeOption.Required))
      {
        try
        {
          if (!BeforeDeleteOne(課程編號, DB_APPNO))
            return -1;

          數位課程List oldValues = SelectOne(課程編號);
          if (oldValues.Count == 0 || oldValues[0].DB_APPNO != DB_APPNO)
          {
            throw new DBConcurrencyException("在刪除 \"數位課程\" 資料表時發生並行例外：找不到要刪除的資料列");
          }
          DbCommand cmdDelete = NewCommand();
          cmdDelete.CommandText = 
            @"delete from 數位課程 
              where 1=1 
                and 課程編號 = @課程編號
                and DB_APPNO = @DB_APPNO
              ";
          AddParam(cmdDelete, "課程編號", 課程編號);
          AddParam(cmdDelete, "DB_APPNO", DB_APPNO);
          int rowsAffected = ExecuteNonQuery(cmdDelete);
          AfterDeleteOne(課程編號, DB_APPNO);
          ts.Complete();
          return rowsAffected;
        }
        catch (Exception error)
        {
          bool handled;
          OnDeleteOneError(error, out handled);
          if(!handled)
            throw error;
          return -1;
        }
      }
    }

    [DataObjectMethod(DataObjectMethodType.Delete)]
    public int DeleteOne(數位課程 value)
    {
      using (TransactionScope ts = new TransactionScope(TransactionScopeOption.Required))
      {
        try
        {
          if (!BeforeDeleteOne(value))
            return -1;

          數位課程List oldValues = SelectOne(value.課程編號);
          if (oldValues.Count == 0 || oldValues[0].DB_APPNO != value.DB_APPNO)
          {
            throw new DBConcurrencyException("在刪除 \"數位課程\" 資料表時發生並行例外：找不到要刪除的資料列");
          }
          DbCommand cmdDelete = NewCommand();
          cmdDelete.CommandText = 
            @"delete from 數位課程 
              where 1=1 
                and 課程編號 = @課程編號
                and DB_APPNO = @DB_APPNO
              ";
          AddParam(cmdDelete, "課程編號", value.課程編號);
          AddParam(cmdDelete, "DB_APPNO", value.DB_APPNO);
          int rowsAffected = ExecuteNonQuery(cmdDelete);
          AfterDeleteOne(value);
          ts.Complete();
          return rowsAffected;
        }
        catch (Exception error)
        {
          bool handled;
          OnDeleteOneError(error, out handled);
          if(!handled)
            throw error;
          return -1;
        }
      }
    }

    public bool IsDuplicate(int 課程編號)
    {
      DbCommand cmdSelect = NewCommand();
      cmdSelect.CommandText = "select count(1)" + _from + _where
          + "  and 課程編號 = @課程編號 "
          ;
      AddParam(cmdSelect, "課程編號", 課程編號);
      int count;
      ExecuteScalar(cmdSelect, out count);
      return count > 0;
    }
  }

  ///<summary>
  /// 數位課程 資料集合類別
  ///</summary>
  public partial class 數位課程List : List<數位課程>, IDataList
  {
    public void Fill(DbDataReader reader)
    {
      while (reader.Read())
      {
        數位課程 newItem = new 數位課程();
        newItem.課程編號 = DAC.GetInt32(reader[0]);
        newItem.課程名稱 = DAC.GetString(reader[1]);
        newItem.課程類別 = DAC.GetString(reader[2]);
        newItem.講師 = DAC.GetString(reader[3]);
        newItem.課程簡介 = DAC.GetString(reader[4]);
        newItem.長度 = DAC.GetInt32(reader[5]);
        newItem.課程網址 = DAC.GetString(reader[6]);
        newItem.開放觀看 = DAC.GetString(reader[7]);
        newItem.課程文件 = DAC.GetString(reader[8]);
        newItem.評量文件 = DAC.GetString(reader[9]);
        newItem.DB_APPNO = DAC.GetInt32(reader[10]);
        newItem.DB_CRDAT = DAC.GetDateTime(reader[11]);
        newItem.DB_CRUSR = DAC.GetString(reader[12]);
        newItem.DB_TRDAT = DAC.GetDateTime(reader[13]);
        newItem.DB_TRUSR = DAC.GetString(reader[14]);
        Add(newItem);
      }
    }
  }

  ///<summary>
  /// 數位課程 資料紀錄類別
  ///</summary>
  [Serializable]
  public partial class 數位課程 : DataItemBase
  {
    private int _課程編號;
    private string _課程名稱;
    private string _課程類別;
    private string _講師;
    private string _課程簡介;
    private int _長度;
    private string _課程網址;
    private string _開放觀看;
    private string _課程文件;
    private string _評量文件;

    #region 資料欄位
    ///<summary>
    /// 課程編號
    ///</summary>
    [DataObjectField(true, false, false)]
    public int 課程編號
    {
      get
      {
        return _課程編號;
      }
      set
      {
        if (value != _課程編號)
        {
          _課程編號 = value;
          OnPropertyChanged("課程編號"); 
        }
      }
    }

    ///<summary>
    /// 課程名稱
    ///</summary>
    [DataObjectField(false, false, true, 100)]
    public string 課程名稱
    {
      get
      {
        return _課程名稱;
      }
      set
      {
        if (value != _課程名稱)
        {
          _課程名稱 = value;
          OnPropertyChanged("課程名稱"); 
        }
      }
    }

    ///<summary>
    /// 課程類別
    ///</summary>
    [DataObjectField(false, false, true, 10)]
    public string 課程類別
    {
      get
      {
        return _課程類別;
      }
      set
      {
        if (value != _課程類別)
        {
          _課程類別 = value;
          OnPropertyChanged("課程類別"); 
        }
      }
    }

    ///<summary>
    /// 講師
    ///</summary>
    [DataObjectField(false, false, true, 50)]
    public string 講師
    {
      get
      {
        return _講師;
      }
      set
      {
        if (value != _講師)
        {
          _講師 = value;
          OnPropertyChanged("講師"); 
        }
      }
    }

    ///<summary>
    /// 課程簡介
    ///</summary>
    [DataObjectField(false, false, true, 1000)]
    public string 課程簡介
    {
      get
      {
        return _課程簡介;
      }
      set
      {
        if (value != _課程簡介)
        {
          _課程簡介 = value;
          OnPropertyChanged("課程簡介"); 
        }
      }
    }

    ///<summary>
    /// 長度
    ///</summary>
    [DataObjectField(false, false, true)]
    public int 長度
    {
      get
      {
        return _長度;
      }
      set
      {
        if (value != _長度)
        {
          _長度 = value;
          OnPropertyChanged("長度"); 
        }
      }
    }

    ///<summary>
    /// 課程網址
    ///</summary>
    [DataObjectField(false, false, true, 100)]
    public string 課程網址
    {
      get
      {
        return _課程網址;
      }
      set
      {
        if (value != _課程網址)
        {
          _課程網址 = value;
          OnPropertyChanged("課程網址"); 
        }
      }
    }

    ///<summary>
    /// 開放觀看
    ///</summary>
    [DataObjectField(false, false, true, 1)]
    public string 開放觀看
    {
      get
      {
        return _開放觀看;
      }
      set
      {
        if (value != _開放觀看)
        {
          _開放觀看 = value;
          OnPropertyChanged("開放觀看"); 
        }
      }
    }

    ///<summary>
    /// 課程文件
    ///</summary>
    [DataObjectField(false, false, true, 100)]
    public string 課程文件
    {
      get
      {
        return _課程文件;
      }
      set
      {
        if (value != _課程文件)
        {
          _課程文件 = value;
          OnPropertyChanged("課程文件"); 
        }
      }
    }

    ///<summary>
    /// 評量文件
    ///</summary>
    [DataObjectField(false, false, true, 100)]
    public string 評量文件
    {
      get
      {
        return _評量文件;
      }
      set
      {
        if (value != _評量文件)
        {
          _評量文件 = value;
          OnPropertyChanged("評量文件"); 
        }
      }
    }

    #endregion
  }
}