public CustomerAppService(IBrandRepository brandRepository
, IBrandPolicy brandPolicy
, IObjectMapper objectMapper
, IRepositoryAsync <Brand> rep) : base(rep, objectMapper)
{
this._brandRepository = brandRepository ?? throw new ArgumentNullException(nameof(brandRepository));
this._brandPolicy = brandPolicy ?? throw new ArgumentNullException(nameof(brandPolicy));
}
public CustomerAppService(IBrandRepository brandRepository
, IBrandPolicy brandPolicy
, IObjectMapper objectMapper
, IRepositoryAsync <Brand, int> rep
, ICache cacheServ
, ILog log
, IUnitOfWorkAsync unitofWorkAsync) : base(rep, objectMapper, unitofWorkAsync)
{
this._brandRepository = brandRepository ?? throw new ArgumentNullException(nameof(brandRepository));
this._brandPolicy = brandPolicy ?? throw new ArgumentNullException(nameof(brandPolicy));
this._cacheServ = cacheServ ?? throw new ArgumentNullException(nameof(cacheServ));
this._log = log ?? throw new ArgumentNullException(nameof(log));
}
public async Task <int> ChangeBrand(int brandId, IBrandPolicy policy)
{
if (policy == null)
{
throw new ArgumentNullException(nameof(policy));
}
var result = await policy.CheckAssignment(brandId);
if (!result)
{
throw new CustomerDomainException($"{brandId} Brand is Invalid or in Blacklist cannot be assigned!!! ");
}
this.BrandId = brandId;
return(this.BrandId);
}
// Policy is a pattern. Conceptual rules known as Strategy design also. You could wrap this policy within Service also
public Merchant AddMerchant(string name, string surname, int brandId, int limitId
, IBrandPolicy policy, string gsm = default)
{
if (policy == null)
{
throw new ArgumentNullException(nameof(policy));
}
if (this.Merchants.Count() >= policy.MaxAmountofMarchantperBrand)
{
throw new CustomerDomainException($"Maximum amount of Merchant exceed for this Brand !!! ");
}
var merchant = Merchant.Create(name, surname, brandId, limitId, gsm);
_merchants.Add(merchant);
return(merchant);
}
public void ChangeMerchantName(string name, Merchant merchant, IBrandPolicy policy)
{
if (policy == null)
{
throw new ArgumentNullException(nameof(policy));
}
var existingMerchantforBrand = this._merchants.Where(x => x.BrandId == merchant.Id)
.SingleOrDefault();
if (existingMerchantforBrand != null)
{
existingMerchantforBrand.ChangeName(merchant.Name);
existingMerchantforBrand.SyncObjectState(ObjectState.Modified);
}
else
{
this.AddMerchant(merchant.Name, merchant.Surname, merchant.BrandId, merchant.LimitId, policy, merchant.Gsm);
}
}