classteachingmanagerbll.cs

guan yu pai ke xi tong de ruan jian

using System;
using System.Collections.Generic;
using System.Text;

using Y2T03.CourseScheduler.CourseModel;
using Y2T03.CourseScheduler.CourseDAL;
using Y2T03.CourseScheduler.DALFactory;
using Y2T03.CourseScheduler.IDAL;

namespace Y2T03.CourseScheduler.CourseBLL
{
    /// <summary>
    /// ClassTeachingManagerBLL 的业务逻辑层
    /// </summary>
    public class ClassTeachingManagerBLL
    {
        public ClassTeachingManagerBLL()
        { }

        #region 添加授课信息
        /// <summary>
        /// 添加授课信息
        /// </summary>
        /// <param name="teaching">授课实体对象</param>
        /// <returns>true = 成功, false = 失败.</returns>
        public static bool Create(Teaching teaching)
        {
            string classCodeOne = ClassTeachingManagerBLL.GetClassSectionByTeacherId(teaching.Teacher.TeacherId);
            string classCodeTwo = ClassTeachingManagerBLL.GetClassSectionByClassCode(teaching.Classe.ClassCode);

            if (classCodeOne == "Y2" || (classCodeOne == "S2" && classCodeTwo != "Y2") ||
                (classCodeOne == "S1" && classCodeTwo == "S1"))
            {
                return DALFactory.DataAccess.GetClassTeachingManager().Create(teaching);
            }
            else
            {
                return false;
            }
        }
        #endregion

        #region 根据班级类型获取状态为正常的班级列表的授课信息
        /// <summary>
        /// 根据班级类型获取状态为正常的班级列表的授课信息
        /// </summary>
        /// <param name="typeCode">班级类型</param>
        /// <returns>授课列表</returns>
        public static IList<Teaching> GetClassTeachings(string typeCode)
        {
            return DALFactory.DataAccess.GetClassTeachingManager().GetClassTeachings(typeCode);
        }
        #endregion

        #region 根据班级编号获取学习阶段编号
        /// <summary>
        /// 根据班级编号获取学习阶段编号
        /// </summary>
        /// <param name="classCode">班级编号</param>
        /// <returns>学习阶段编号</returns>
        public static string GetClassSectionByClassCode(string classCode)
        {
            return DALFactory.DataAccess.GetClassTeachingManager().GetClassSectionByClassCode(classCode);
        }
        #endregion

        #region 根据教员编号获取该教员带班的数量
        /// <summary>
        /// 根据教员编号获取该教员带班的数量
        /// </summary>
        /// <param name="teacherId">教员编号</param>
        /// <returns>教员带班数量</returns>
        public static int GetClassCountByTeacherId(int teacherId)
        {
            return DALFactory.DataAccess.GetClassTeachingManager().GetClassCountByTeacherId(teacherId);
        }
        #endregion

        #region 获取状态为正常班级的列表
        /// <summary>
        /// 获取状态为正常班级的列表
        /// </summary>
        /// <returns>班级列表</returns>
        public static IList<Class> GetClasses()
        {
            return DALFactory.DataAccess.GetClassTeachingManager().GetClasses();
        }
        #endregion

        #region 根据教员编号获取学习阶段编号
        /// <summary>
        /// 根据教员编号获取学习阶段编号
        /// </summary>
        /// <param name="teacherId">教员编号</param>
        /// <returns>学习阶段编号</returns>
        public static string GetClassSectionByTeacherId(int teacherId)
        {
            return DALFactory.DataAccess.GetClassTeachingManager().GetClassSectionByTeacherId(teacherId);
        }
        #endregion

        #region 获得授课班级列表
        /// <summary>
        /// 获得授课班级列表
        /// </summary>
        /// <returns>授课班级列表</returns>
        public static IList<Teaching> GetClassTeachings()
        {
            return DALFactory.DataAccess.GetClassTeachingManager().GetClassTeachings();
        }
        #endregion

        #region 获得某个班级的授课信息
        /// <summary>
        /// 获得某个班级的授课信息
        /// </summary>
        /// <param name="classCode">班级名称</param>
        /// <returns>授课实体对象</returns>
        public static Teaching GetClassTeaching(string classCode)
        {
            return DALFactory.DataAccess.GetClassTeachingManager().GetClassTeaching(classCode);
        }
        #endregion

        #region 检查班级名称是否存在
        /// <summary>
        /// 检查班级名称是否存在
        /// </summary>
        /// <param name="classCode">班级名称</param>
        /// <returns>true = 有, false = 没有.</returns>
        public static bool CheckIsExit(string classCode)
        {
            return DALFactory.DataAccess.GetClassTeachingManager().CheckIsExit(classCode);
        }
        #endregion

        #region 更新授课信息
        /// <summary>
        /// 更新授课信息
        /// </summary>
        /// <param name="teaching">授课实体对象</param>
        /// <returns>true = 成功, false = 失败.</returns>
        public static bool Update(Teaching teaching)
        {
            string classCodeOne = ClassTeachingManagerBLL.GetClassSectionByTeacherId(teaching.Teacher.TeacherId);
            string classCodeTwo = ClassTeachingManagerBLL.GetClassSectionByClassCode(teaching.Classe.ClassCode);

            if (classCodeOne == "Y2" || (classCodeOne == "S2" && classCodeTwo != "Y2") ||
                (classCodeOne == "S1" && classCodeTwo == "S1"))
            {
                return DALFactory.DataAccess.GetClassTeachingManager().Update(teaching);
            }
            else
            {
                return false;
            }
        }
        #endregion

        #region 删除授课信息
        /// <summary>
        /// 删除授课信息
        /// </summary>
        /// <param name="classCode">班级名称</param>
        /// <returns>true = 成功, false = 失败.</returns>
        public static bool Delete(string classCode)
        {
            return DALFactory.DataAccess.GetClassTeachingManager().Delete(classCode);
        }
        #endregion
    }
}