/// <summary>
/// Submits a new brand for persistence.
/// </summary>
/// <param name="newBrand">New brand to save.</param>
public void Insert(BrandDTO newBrand)
{
// Throws an an exception for a null dto
if (newBrand == null)
throw new ArgumentNullException("newBrand",
"newBrand does not accept a null dot as an argument.");
using (var context = new openTillEntities())
{
// Throws an exception if a brand with the given name already exists
if (context.Brands.SingleOrDefault(b => b.Name == newBrand.Name) != null)
throw new InvalidOperationException("A brand with the given brand name already exists.");
context.Brands.Add(Mapper.Map<Brand>(newBrand));
context.SaveChanges();
}
}
/// <summary>
/// Deletes a brand.
/// </summary>
/// <param name="brandDel">Brand to delete</param>
public void Delete(BrandDTO brandDel)
{
// Throws an an exception for a null dto
if (brandDel == null)
throw new ArgumentNullException("brandDel",
"brandDel does not accept a null dot as an argument.");
using (var context = new openTillEntities())
{
var brand = context.Brands.SingleOrDefault(b => b.Id == brandDel.Id);
// Throws an exception if no matching entry is found
if (brand == null)
throw new InvalidOperationException("No entry matching the given brand was found.");
context.Brands.Remove(brand);
context.SaveChanges();
}
}
/// <summary>
/// Updates an existing brand.
/// </summary>
/// <param name="brandUpdate">Brand to update</param>
public void Update(BrandDTO brandUpdate)
{
// Throws an an exception for a null dto
if (brandUpdate == null)
throw new ArgumentNullException("brandUpdate",
"brandUpdate does not accept a null dot as an argument.");
using (var context = new openTillEntities())
{
var brand = context.Brands.SingleOrDefault(b => b.Id == brandUpdate.Id);
// Throws an exception if the given brand doesn't exist
if (brand == null)
throw new InvalidOperationException("No entry matching the given brand was found.");
// Throws an exception if a brand with the given name already exists
if (context.Brands.SingleOrDefault(b => b.Name == brandUpdate.Name) != null)
throw new InvalidOperationException("A brand with the given brand name already exists.");
// Update existing brand
brand.Name = brandUpdate.Name;
context.SaveChanges();
}
}
/// <summary>
/// Method calls on repository to update an existing Brand in the database.
/// </summary>
/// <param name="givenBrand">Brand Data Transfer Object to the updated in the database.</param>
public void Update(BrandDTO givenBrand)
{
var brandToUpdate = Mapper.Map<BrandDTO>(givenBrand);
_brandRepository.Update(brandToUpdate);
}
/// <summary>
/// Method calls on repository to insert a new brand into the database.
/// </summary>
/// <param name="givenBrand">Brand Data Transfer Object to be inserted into the database.</param>
public void Insert(BrandDTO givenBrand)
{
var brandToCreate = Mapper.Map<BrandDTO>(givenBrand);
_brandRepository.Insert(brandToCreate);
}
public ObservableBrand(BrandDTO dto)
{
Id = dto.Id;
BrandName = dto.Name;
}
