public void UpdateClaim(MitchellClaim updater)
{
if (string.IsNullOrWhiteSpace(updater.ClaimNumber))
{
throw new InvalidApiUsageException(ApiUsageError.ClaimNumberNotSpecified);
}
MitchellClaim existingClaim;
if (_claims.TryGetValue(updater.ClaimNumber, out existingClaim))
{
// Before updating the claim let's make sure we will not end up with an invalid claim.
// We are going to create a clone, update the clone and only if everything looks fine then we'll
// persist the clone.
MitchellClaim newClaim = existingClaim.DeepClone();
newClaim.Update(updater);
if (newClaim.ValidateRequiredFields() == false)
{
throw new InvalidApiUsageException(ApiUsageError.RequiredFieldNotSpecified);
}
// Now that we know everything is OK, persist the updated claim.
_claims[updater.ClaimNumber] = newClaim;
}
else
{
// This method is used incorrectly. The client may attempt to update a claim that does not exist but
// that attempt should not propagate to this level.
// As far as this method is concerned, this is an invalid call.
throw new InvalidApiUsageException(ApiUsageError.ItemNotFound);
}
}
public void AddClaim(MitchellClaim claim)
{
if (claim.ValidateRequiredFields() == false)
{
throw new InvalidApiUsageException(ApiUsageError.RequiredFieldNotSpecified);
}
if (_claims.ContainsKey(claim.ClaimNumber))
{
throw new InvalidApiUsageException(ApiUsageError.ItemAlreadyExists);
}
if (claim.Vehicles.GroupBy(v => v.Vin).Any(g => g.Count() > 1))
{
throw new InvalidApiUsageException(ApiUsageError.DuplicateVehicles);
}
_claims.Add(claim.ClaimNumber, claim);
}