public async Task <List <FreeProductHeaderModel> > GetFreeProductList()
{
List <FreeProductHeaderModel> freeProductList = new List <FreeProductHeaderModel>();
FreeProductHeaderModel freeProduct = null;
var freeItems = await _context.FreeProducts.Where(s => s.IsActive).ToListAsync();
if (freeItems.Any())
{
freeItems.ForEach(s =>
{
freeProduct = new FreeProductHeaderModel();
var parents = _context.FreeProductParents.Where(x => x.FreeProductId == s.Id).ToList();
parents.ForEach(p =>
{
var parentProduct = _context.Products.FirstOrDefault(x => x.Id == p.ProductId);
freeProduct.ParentProducts.Add(new FreeProductDetailModel
{
ProductId = p.ProductId,
Name = parentProduct.Name,
Quantity = p.RequiredQuantity
});
});
var children = _context.FreeProductChildren.Where(x => x.FreeProductId == s.Id).ToList();
children.ForEach(p =>
{
var childProduct = _context.Products.FirstOrDefault(x => x.Id == p.ProductId);
freeProduct.ChildProducts.Add(new FreeProductDetailModel
{
ProductId = p.ProductId,
Name = childProduct.Name,
Quantity = p.FreeQuantity
});
});
freeProductList.Add(freeProduct);
});
}
return(freeProductList);
}
private PackingSlipHeader CheckAndAddFreeItems(PackingSlipHeader packingSlipHeader, FreeProductHeaderModel headerModel)
{
bool isApplicable = true;
foreach (var parent in headerModel.ParentProducts)
{
var productExists = (from tmpLine in packingSlipHeader.PackingSlipItems where tmpLine.Name == parent.Name && tmpLine.Quantity >= parent.Quantity select tmpLine).FirstOrDefault();
if (productExists == null)
{
isApplicable = false;
break;
}
}
if (isApplicable)
{
foreach (var child in headerModel.ChildProducts)
{
packingSlipHeader.PackingSlipItems.Add(new PackingSlipItem
{
IsFreeItem = true,
Name = child.Name,
ProductId = child.ProductId,
Quantity = child.Quantity
});
}
}
return(packingSlipHeader);
}