public T GetBaseT <T>(string k) where T : ITrainBase, new()
{
string id = k;
ITrainBase m = default(T);
if (m == null)
{
m = new T();
}
using (_db = new ApplicationDbContext())
{
if (m.GetType() == typeof(Base_Period))
{
m = _db.Base_Period.Find(id);
}
if (m.GetType() == typeof(Base_Subject))
{
m = _db.Base_Subject.Find(id);
}
if (m.GetType() == typeof(Base_Grade))
{
m = _db.Base_Grades.Find(id);
}
if (m.GetType() == typeof(Base_Genre))
{
m = _db.Base_Genres.Find(id);
}
return((T)m);
}
}
public AppConfigs.OperResult Del <T>(string id) where T : ITrainBase, new()
{
if (string.IsNullOrEmpty(id))
{
return(AppConfigs.OperResult.failDueToArgu);
}
ITrainBase m = default(T);
if (m == null)
{
m = new T();
}
using (_db = new ApplicationDbContext())
{
if (m.GetType() == typeof(Base_Period))
{
var mdl = _db.Base_Period.Find(id);
if (mdl == null)
{
return(AppConfigs.OperResult.failDueToExist);
}
if (_db.Base_DataBind.Any(a => a.PeriodId == mdl.Id))
{
return(AppConfigs.OperResult.failDueToFk);
}
_db.Base_Period.Remove(mdl);
}
if (m.GetType() == typeof(Base_Subject))
{
var mdl = _db.Base_Subject.Find(id);
if (mdl == null)
{
return(AppConfigs.OperResult.failDueToExist);
}
if (_db.Base_DataBind.Any(a => a.SubjectId == mdl.Id))
{
return(AppConfigs.OperResult.failDueToFk);
}
_db.Base_Subject.Remove(mdl);
}
if (m.GetType() == typeof(Base_Grade))
{
var mdl = _db.Base_Grades.Find(id);
if (mdl == null)
{
return(AppConfigs.OperResult.failDueToExist);
}
if (_db.Base_DataBind.Any(a => a.GradeId == mdl.Id))
{
return(AppConfigs.OperResult.failDueToFk);
}
_db.Base_Grades.Remove(mdl);
}
if (m.GetType() == typeof(Base_Genre))
{
var mdl = _db.Base_Genres.Find(id);
if (mdl == null)
{
return(AppConfigs.OperResult.failDueToExist);
}
if (_db.Base_DataBind.Any(a => a.GenreId == mdl.Id))
{
return(AppConfigs.OperResult.failDueToFk);
}
_db.Base_Genres.Remove(mdl);
}
return(_db.SaveChanges() > 0?AppConfigs.OperResult.success:AppConfigs.OperResult.failUnknown);
}
}
