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Make Registrar load methods return Optionals instead of Nullables

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This makes the code more understandable from callsites, and also forces
users of this function to deal with the situation where the registrar
with a given client ID might not be present (it was previously silently
NPEing from some of the callsites).

This also adds a test helper method loadRegistrar(clientId) that retains
the old functionality for terseness in tests. It also fixes some instances
of using the load method with the wrong cachedness -- some uses in high-
traffic situations (WHOIS) that should have caching, but also low-traffic
reporting that don't benefit from caching so might as well always be
current.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=162990468
This commit is contained in:
mcilwain 2017-07-24 14:43:20 -07:00 • committed by Ben McIlwain
parent 84fdeebc2f
commit d536cef20f
81 changed files with 707 additions and 602 deletions
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16
java/google/registry/tools/CreateAuctionCreditsCommand.java
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@ -17,8 +17,8 @@ package google.registry.tools;
import static com.google.common.base.CaseFormat.UPPER_CAMEL;
import static com.google.common.base.CaseFormat.UPPER_UNDERSCORE;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import static google.registry.model.registry.Registries.assertTldExists;
import static google.registry.util.PreconditionsUtils.checkArgumentPresent;
import static org.joda.time.DateTimeZone.UTC;
import com.beust.jcommander.Parameter;
@ -157,13 +157,17 @@ final class CreateAuctionCreditsCommand extends MutatingCommand {
List<String> fields = splitCsvLine(line);
checkArgument(CsvHeader.getHeaders().size() == fields.size(), "Wrong number of fields");
try {
String registrarId = fields.get(CsvHeader.AFFILIATE.ordinal());
Registrar registrar = checkNotNull(
Registrar.loadByClientId(registrarId), "Registrar %s not found", registrarId);
String clientId = fields.get(CsvHeader.AFFILIATE.ordinal());
Registrar registrar =
checkArgumentPresent(
Registrar.loadByClientId(clientId), "Registrar %s not found", clientId);
CurrencyUnit tldCurrency = Registry.get(tld).getCurrency();
CurrencyUnit currency = CurrencyUnit.of((fields.get(CsvHeader.CURRENCY_CODE.ordinal())));
checkArgument(tldCurrency.equals(currency),
"Credit in wrong currency (%s should be %s)", currency, tldCurrency);
checkArgument(
tldCurrency.equals(currency),
"Credit in wrong currency (%s should be %s)",
currency,
tldCurrency);
// We use BigDecimal and BigMoney to preserve fractional currency units when computing the
// total amount of each credit (since auction credits are percentages of winning bids).
BigDecimal creditAmount = new BigDecimal(fields.get(CsvHeader.COMMISSIONS.ordinal()));