public async Task <Result> Update(int agencyId, int discountId, EditDiscountRequest editDiscountRequest)
{
return(await Get(agencyId, discountId)
.Check(_ => ValidatePercent(editDiscountRequest.DiscountPercent))
.Check(DiscountDoesntExceedMarkups)
.BindWithTransaction(_context, discount => Result.Success(discount)
.Tap(Update)
.Bind(WriteAuditLog)));
async Task <Result> DiscountDoesntExceedMarkups(Discount discount)
{
var markupPolicy = await _context.MarkupPolicies.SingleOrDefaultAsync(x => x.Id == discount.TargetPolicyId);
var markupFunction = _templateService.CreateFunction(markupPolicy.TemplateId, markupPolicy.TemplateSettings);
var allDiscounts = await _context.Discounts
.Where(x => x.TargetPolicyId == markupPolicy.Id)
.Where(d => d.TargetAgencyId == agencyId)
.Where(d => d.IsActive)
.Where(d => d.Id != discountId) // excluding discount we want to edit
.Select(d => d.DiscountPercent)
.ToListAsync();
allDiscounts.Add(editDiscountRequest.DiscountPercent);
return(DiscountsValidator.DiscountsDontExceedMarkups(allDiscounts, markupFunction));
}
Task Update(Discount discount)
=> this.Update(discount, d =>
{
d.DiscountPercent = editDiscountRequest.DiscountPercent;
d.Description = editDiscountRequest.Description;
});
Task <Result> WriteAuditLog(Discount _)
=> _managementAuditService.Write(ManagementEventType.DiscountEdit, new DiscountEditEventData(agencyId, editDiscountRequest));
}
public async Task <IActionResult> UpdateDiscount(int agencyId, int discountId, [FromBody] EditDiscountRequest editDiscountRequest)
{
var(_, isFailure, error) = await _discountManagementService.Update(agencyId, discountId, editDiscountRequest);
if (isFailure)
{
return(BadRequest(ProblemDetailsBuilder.Build(error)));
}
return(NoContent());
}
public DiscountEditEventData(int agencyId, EditDiscountRequest editDiscountRequest)
{
AgencyId = agencyId;
EditDiscountRequest = editDiscountRequest;
}
