zszq-trs/YLErpWeb/Controllers/DepartmentsController.cs

namespace YLErp.Web.Controllers
{
    public class DepartmentsController : BaseController
    {
        public static bool IsListOld = true;

        private static List<Department> AllDepartmentModel = null;

        public static List<Department> GetAllDepartmentModel(bool isParentIdOne = true)
        {
            if (IsListOld)
            {
                using (var con = new ErpBaseContext())
                {
                    AllDepartmentModel = con.Departments.ToList();
                }
                IsListOld = false;
            }
            if (isParentIdOne)
            {
                return AllDepartmentModel.Where(a => a.PId == 1).ToList();
            }
            else
            {
                return AllDepartmentModel;
            }
        }

        public static Department GetDepartmentById(int id)
        {

            Department ret = null;
            if (id != 0)
            {
                var departments = GetAllDepartmentModels();
                ret = departments.FirstOrDefault(c => c.Id == id);
            }
            return ret;
        }

        public static Department GetDepartmentByName(string name)
        {
            Department ret = null;
            if (!string.IsNullOrWhiteSpace(name))
            {
                var departments = GetAllDepartmentModels();
                ret = departments.FirstOrDefault(c => c.Name == name);
            }
            return ret;
        }

        public static List<Department> GetAllDepartmentModels()
        {
            return GetAllDepartmentModel(false);
        }
    }
}