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 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
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package org.apache.james.quota.search.elasticsearch.events;

import java.io.IOException;

import javax.inject.Inject;
import javax.inject.Named;

import org.apache.james.backends.es.ElasticSearchIndexer;
import org.apache.james.mailbox.events.Event;
import org.apache.james.mailbox.events.Group;
import org.apache.james.mailbox.events.MailboxListener;
import org.apache.james.quota.search.elasticsearch.QuotaRatioElasticSearchConstants;
import org.apache.james.quota.search.elasticsearch.json.QuotaRatioToElasticSearchJson;

public class ElasticSearchQuotaMailboxListener implements MailboxListener.GroupMailboxListener {
    public static class ElasticSearchQuotaMailboxListenerGroup extends Group {

    }

    private static final Group GROUP = new ElasticSearchQuotaMailboxListenerGroup();

    private final ElasticSearchIndexer indexer;
    private final QuotaRatioToElasticSearchJson quotaRatioToElasticSearchJson;

    @Inject
    public ElasticSearchQuotaMailboxListener(
        @Named(QuotaRatioElasticSearchConstants.InjectionNames.QUOTA_RATIO) ElasticSearchIndexer indexer,
        QuotaRatioToElasticSearchJson quotaRatioToElasticSearchJson) {
        this.indexer = indexer;
        this.quotaRatioToElasticSearchJson = quotaRatioToElasticSearchJson;
    }

    @Override
    public Group getDefaultGroup() {
        return GROUP;
    }

    @Override
    public boolean isHandling(Event event) {
        return event instanceof QuotaUsageUpdatedEvent;
    }

    @Override
    public void event(Event event) throws IOException {
        handleEvent((QuotaUsageUpdatedEvent) event);
    }

    private void handleEvent(QuotaUsageUpdatedEvent event) throws IOException {
        indexer.index(event.getUser().asString(),
            quotaRatioToElasticSearchJson.convertToJson(event));
    }
}
