google.registry.tools.DeletePremiumListCommand.java Source code

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Here is the source code for google.registry.tools.DeletePremiumListCommand.java

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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 com.google.common.base.Preconditions.checkArgument;

import com.beust.jcommander.Parameter;
import com.beust.jcommander.Parameters;
import com.google.common.base.Joiner;
import com.google.common.collect.ImmutableSet;
import google.registry.model.registry.label.PremiumList;
import google.registry.tools.Command.RemoteApiCommand;
import javax.annotation.Nullable;

/**
 * Command to delete a {@link PremiumList} in Datastore. This command will fail if the premium
 * list is currently in use on a tld.
 */
@Parameters(separators = " =", commandDescription = "Delete a PremiumList from Datastore.")
final class DeletePremiumListCommand extends ConfirmingCommand implements RemoteApiCommand {

    @Nullable
    PremiumList premiumList;

    @Parameter(names = { "-n", "--name" }, description = "The name of the premium list to delete.", required = true)
    private String name;

    @Override
    protected void init() throws Exception {
        checkArgument(PremiumList.exists(name), "Cannot delete the premium list %s because it doesn't exist.",
                name);
        premiumList = PremiumList.get(name).get();
        ImmutableSet<String> tldsUsedOn = premiumList.getReferencingTlds();
        checkArgument(tldsUsedOn.isEmpty(), "Cannot delete premium list because it is used on these tld(s): %s",
                Joiner.on(", ").join(tldsUsedOn));
    }

    @Override
    protected String prompt() {
        return "You are about to delete the premium list: \n" + premiumList;
    }

    @Override
    protected String execute() throws Exception {
        premiumList.delete();
        return String.format("Deleted premium list %s with %d entries.\n", premiumList.getName(),
                premiumList.getPremiumListEntries().size());
    }
}