public bool Add(Product product)
{
var toInsert = new ProductEntity()
{
IntroductionDate = product.IntroductionDate,
Price = product.Price,
ProductId = product.ProductId,
ProductName = product.ProductName,
Url = product.Url,
Summary = product.Summary
};
_dbProducts.Products.Add(toInsert);
var changesMade = _dbProducts.SaveChanges();
return (changesMade >= 1);
}
public bool Update(Product product)
{
var id = product.ProductId;
using (var db = new EfProducts())
{
var fromDb = db.Products.Find(id);
fromDb.IntroductionDate = product.IntroductionDate;
fromDb.Price = product.Price;
fromDb.ProductId = id;
fromDb.ProductName = product.ProductName;
fromDb.Url = product.Url;
fromDb.Summary = product.Summary;
return db.SaveChanges() >= 1;
}
}
protected bool Validate(Product product)
{
bool ret = false;
// add custom validation
if (product.IntroductionDate < Convert.ToDateTime("1/1/2010"))
{
ModelState.AddModelError("Introduction Date", "Introduction Date Must Be Greater Than 1/1/2010");
}
// Add more server-side validation here to match
// or if using DataAnnotations (like with Entity Objects), you can retrieve the ModelState (Dictionary) object,
//get the errors from the annotations and add those to the ValidationErrors collection property.
ValidationErrors = ModelState;
return ModelState.IsValid;
ret = (ValidationErrors.Count == 0);
return ret;
}
public IHttpActionResult Put(int id, Product product)
{
IHttpActionResult ret = null;
if (Validate(product))
{
if (_repo.Exists(id))
{
if (_repo.Update(product))
{
ret = Ok(product);
}
else
{
ret = InternalServerError();
}
}
else
{
ret = NotFound();
}
}
else
{
ret = BadRequest(ValidationErrors);
}
return ret;
}
public IHttpActionResult Post(Product product)
{
IHttpActionResult ret = null;
if (Validate(product))
{
if (_repo.Add(product))
{
// get the id that we just created.
var newRecId =
_repo.GetAll()
.First(x =>
x.ProductName == product.ProductName
&& x.Price == product.Price &&
x.IntroductionDate == product.IntroductionDate
&& x.Url == product.Url).ProductId;
product.ProductId = newRecId;
ret = Created<Product>(Request.RequestUri + product.ProductId.ToString(), product);
}
else
{
ret = InternalServerError();
}
}
else
{
ret = BadRequest(ValidationErrors);
}
return ret;
}
public IHttpActionResult Get(int id)
{
IHttpActionResult toReturn = null;
Product prod = new Product();
var ent = _repo.GetAll().FirstOrDefault(x => x.ProductId == id);
if (ent != null)
{
prod.Price = ent.Price.Value;
prod.IntroductionDate = ent.IntroductionDate.Value;
prod.Url = ent.Url;
prod.ProductName = ent.ProductName;
prod.ProductId = ent.ProductId;
prod.Summary = ent.Summary;
toReturn = Ok(prod);
}
else
{
toReturn = NotFound();
}
return toReturn;
}
