using System.Linq;
using System.Collections.Generic;

namespace BLL
{
    /// <summary>
    /// 焊评材质类别
    /// </summary>
    public static class HJGL_MaterialClassService
    {
        /// <summary>
        /// 根据主键获取焊评材质类别
        /// </summary>
        /// <param name="materialClassId"></param>
        /// <returns></returns>
        public static Model.HJGL_BS_MaterialClass GetMaterialClassById(string materialClassId)
        {
            return Funs.DB.HJGL_BS_MaterialClass.FirstOrDefault(e => e.MaterialClassId == materialClassId);
        }

        /// <summary>
        /// 获取焊评材质类别列表
        /// </summary>
        /// <returns></returns>
        public static List<Model.HJGL_BS_MaterialClass> GetMaterialClassList()
        {
            return (from x in Funs.DB.HJGL_BS_MaterialClass orderby x.MaterialClassCode select x).ToList();
        }

        /// <summary>
        /// 添加焊评材质类别
        /// </summary>
        /// <param name="materialClass"></param>
        public static void AddMaterialClass(Model.HJGL_BS_MaterialClass materialClass)
        {
            Model.SGGLDB db = Funs.DB;
            Model.HJGL_BS_MaterialClass newMaterialClass = new Model.HJGL_BS_MaterialClass();
            newMaterialClass.MaterialClassId = materialClass.MaterialClassId;
            newMaterialClass.MaterialClassCode = materialClass.MaterialClassCode;
            newMaterialClass.MaterialClass = materialClass.MaterialClass;
            newMaterialClass.Remark = materialClass.Remark;
            db.HJGL_BS_MaterialClass.InsertOnSubmit(newMaterialClass);
            db.SubmitChanges();
        }

        /// <summary>
        /// 修改焊评材质类别
        /// </summary>
        /// <param name="materialClass"></param>
        public static void UpdateMaterialClass(Model.HJGL_BS_MaterialClass materialClass)
        {
            Model.SGGLDB db = Funs.DB;
            Model.HJGL_BS_MaterialClass newMaterialClass = db.HJGL_BS_MaterialClass.FirstOrDefault(e => e.MaterialClassId == materialClass.MaterialClassId);
            if (newMaterialClass != null)
            {
                newMaterialClass.MaterialClassCode = materialClass.MaterialClassCode;
                newMaterialClass.MaterialClass = materialClass.MaterialClass;
                newMaterialClass.Remark = materialClass.Remark;
                db.SubmitChanges();
            }
        }

        /// <summary>
        /// 删除焊评材质类别
        /// </summary>
        /// <param name="materialClassId"></param>
        public static void DeleteMaterialClassById(string materialClassId)
        {
            Model.SGGLDB db = Funs.DB;
            Model.HJGL_BS_MaterialClass materialClass = db.HJGL_BS_MaterialClass.FirstOrDefault(e => e.MaterialClassId == materialClassId);
            if (materialClass != null)
            {
                db.HJGL_BS_MaterialClass.DeleteOnSubmit(materialClass);
                db.SubmitChanges();
            }
        }

        /// <summary>
        /// 判断是否存在相同的编号
        /// </summary>
        /// <param name="materialClassCode"></param>
        /// <param name="id"></param>
        /// <returns></returns>
        public static bool IsExitMaterialClassCode(string materialClassCode, string id)
        {
            var q = Funs.DB.HJGL_BS_MaterialClass.FirstOrDefault(x => x.MaterialClassCode == materialClassCode && x.MaterialClassId != id);
            if (q != null)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
    }
}