public bool UpdateShagrir(Shagrir shagrirToUpdate)
{
var shgs = dal.ReadShagrirs();
if (!(shgs.Count(x =>
x.Id == shagrirToUpdate.Id ||
x.Name == shagrirToUpdate.Name ||
x.Phone == shagrirToUpdate.Phone) == 1))
throw new Exception("Cannot update shagrir");
return dal.UpdateShagrir(shagrirToUpdate);
}
public bool AddShagrir(Shagrir shagrirToAdd)
{
var shgs = dal.ReadShagrirs();
if (shgs.Count(x =>
x.Id == shagrirToAdd.Id ||
x.Name == shagrirToAdd.Name ||
x.Phone == shagrirToAdd.Phone) > 0)
throw new Exception("Shagrir Already Exist");
return dal.CreateShagrir(shagrirToAdd);
}
private static void CopyShagrir(Shagrir shagrirToUpdate, ref Shagrir shag)
{
shag.Gender = shagrirToUpdate.Gender;
shag.Address = shagrirToUpdate.Address;
shag.BirthDate = shagrirToUpdate.BirthDate;
shag.Candidates = shagrirToUpdate.Candidates;
shag.Name = shagrirToUpdate.Name;
shag.Phone = shagrirToUpdate.Phone;
shag.Reputation = shagrirToUpdate.Reputation;
}
public bool DeleteShagrir(Shagrir shagrirToDelete)
{
var shag = contex.Shagrirs.FirstOrDefault<Shagrir>(x => x.Id == shagrirToDelete.Id);
if (shag != null)
{
contex.Shagrirs.Remove(shag);
return contex.SaveChanges() > 0;
}
else
return false;
}
public bool UpdateShagrir(Shagrir shagrirToUpdate)
{
var shag = contex.Shagrirs.FirstOrDefault<Shagrir>(x => x.Id == shagrirToUpdate.Id);
if (shag != null)
{
CopyShagrir(shagrirToUpdate, ref shag);
return contex.SaveChanges() > 0;
}
else
return false;
}
public bool AddShagrir(Shagrir shagrirToAdd)
{
return backend.AddShagrir(shagrirToAdd);
}
public bool CreateShagrir(Shagrir shagrirToCreate)
{
contex.Shagrirs.Add(shagrirToCreate);
return contex.SaveChanges() > 0;
}