google.registry.tools.ListCreditsCommand.java Source code

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// Copyright 2016 The Nomulus Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package google.registry.tools;

import static google.registry.model.ofy.ObjectifyService.ofy;

import com.beust.jcommander.Parameter;
import com.beust.jcommander.Parameters;
import com.google.common.base.Joiner;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableList;
import com.googlecode.objectify.Work;
import google.registry.model.billing.RegistrarCredit;
import google.registry.model.billing.RegistrarCreditBalance.BalanceMap;
import google.registry.model.registrar.Registrar;
import google.registry.tools.Command.RemoteApiCommand;
import org.joda.money.Money;

/** Command to list registrar credits and balances. */
@Parameters(commandDescription = "List registrar credits and balances")
final class ListCreditsCommand implements RemoteApiCommand {

    @Parameter(names = { "-a",
            "--all" }, description = "Pass this flag to show all credits, even those with a zero active balance")
    private boolean showAll;

    @Override
    public void run() {
        for (Registrar registrar : Registrar.loadAll()) {
            ImmutableList<String> creditStrings = createCreditStrings(registrar);
            if (!creditStrings.isEmpty()) {
                System.out.println(registrar.getClientId());
                System.out.print(Joiner.on("").join(creditStrings));
                System.out.println();
            }
        }
    }

    private ImmutableList<String> createCreditStrings(final Registrar registrar) {
        return ofy().transactNewReadOnly(new Work<ImmutableList<String>>() {
            @Override
            public ImmutableList<String> run() {
                ImmutableList.Builder<String> builder = new ImmutableList.Builder<>();
                for (RegistrarCredit credit : RegistrarCredit.loadAllForRegistrar(registrar)) {
                    BalanceMap balanceMap = BalanceMap.createForCredit(credit);
                    Optional<Money> activeBalance = balanceMap.getActiveBalanceAtTime(ofy().getTransactionTime());
                    // Unless showAll is true, only show credits with a positive active balance (which
                    // excludes just zero-balance credits since credit balances cannot be negative).
                    if (showAll || (activeBalance.isPresent() && activeBalance.get().isPositive())) {
                        builder.add(credit.getSummary() + "\n" + balanceMap);
                    }
                }
                return builder.build();
            }
        });
    }
}