public ActionResult MaterialProductsGrid(int?supplierID)
{
using (var um = new UserManager())
{
var currentUser = um.ByUsername(User.Identity.Name);
if (currentUser.SupplierID != null)
{
supplierID = currentUser.SupplierID.GetValueOrDefault();
}
}
var model = new MaterialProductGridModel();
var materialToProductModels = new List <MaterialToProductModel>();
using (var mm = new MaterialsManager())
{
var products = mm.ActiveProducts().ToList();
var materials = mm.BySupplier(supplierID.GetValueOrDefault()).ToList();
var materialToProducts = mm.ByManufacturerID(supplierID.GetValueOrDefault()).ToList();
model.Products = products.AsEnumerable();
model.Materials = materials.AsEnumerable();
// create the list based on our product and material list
foreach (var material in materials)
{
foreach (var product in products)
{
materialToProductModels.Add(new MaterialToProductModel
{
IsActive = materialToProducts.Any(mp => mp.ProductID == product.ID && mp.MaterialID == material.ID),
ProductID = product.ID,
MaterialID = material.ID,
ProductName = product.Name,
MaterialName = material.Name,
MaterialToProductID = materialToProducts.Any(mp => mp.ProductID == product.ID && mp.MaterialID == material.ID) ? materialToProducts.First(mp => mp.ProductID == product.ID && mp.MaterialID == material.ID).ID : 0
});
}
}
model.MaterialProducts = materialToProductModels.AsEnumerable();
}
return(View("MaterialProductsGrid", model));
}
public ActionResult MaterialProductsGrid(MaterialProductGridModel model)
{
List <MaterialToProduct> mpAdd = new List <MaterialToProduct>();
List <int> mpDelete = new List <int>();
foreach (var mp in model.MaterialProducts)
{
if (mp.IsActive)
{
// we only need to add new ones since nothing will change with existing ones
if (mp.MaterialToProductID == 0)
{
mpAdd.Add(new MaterialToProduct
{
ID = mp.MaterialToProductID,
MaterialID = mp.MaterialID,
ProductID = mp.ProductID
});
}
}
else
{
// only need to delete ones that already exist in the database
if (mp.MaterialToProductID > 0)
{
mpDelete.Add(mp.MaterialToProductID);
}
}
}
// now update the database by deleting ones and updating others
using (var mm = new MaterialsManager())
{
mm.DeleteMaterialToProducts(mpDelete);
mm.InsertMaterialToProducts(mpAdd);
}
return(RedirectToAction("Index"));
}
