io.gravitee.gateway.services.sync.cache.task.SubscriptionRefresher Maven / Gradle / Ivy

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/**
 * Copyright (C) 2015 The Gravitee team (http://gravitee.io)
 *
 * 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 io.gravitee.gateway.services.sync.cache.task;

import static io.gravitee.repository.management.model.Subscription.Status.*;

import io.gravitee.repository.management.api.SubscriptionRepository;
import io.gravitee.repository.management.api.search.SubscriptionCriteria;
import io.gravitee.repository.management.model.Subscription;
import java.util.Map;
import java.util.concurrent.Callable;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @author David BRASSELY (david.brassely at graviteesource.com)
 * @author GraviteeSource Team
 */
public abstract class SubscriptionRefresher implements Callable> {

    protected final Logger logger = LoggerFactory.getLogger(this.getClass());

    private SubscriptionRepository subscriptionRepository;

    private Map cache;

    protected Result doRefresh(SubscriptionCriteria criteria) {
        logger.debug("Refresh api-keys");

        try {
            subscriptionRepository.search(criteria).forEach(this::saveOrUpdate);

            return Result.success(true);
        } catch (Exception ex) {
            return Result.failure(ex);
        }
    }

    private void saveOrUpdate(Subscription subscription) {
        String key = String.format("%s.%s.%s", subscription.getApi(), subscription.getClientId(), subscription.getPlan());

        Object element = cache.get(subscription.getId());

        if ((CLOSED.equals(subscription.getStatus()) || PAUSED.equals(subscription.getStatus())) && element != null) {
            cache.remove(subscription.getId());
            String oldKey = (String) element;
            Subscription eltSubscription = (Subscription) cache.get(oldKey);
            if (eltSubscription != null && eltSubscription.getId().equals(subscription.getId())) {
                cache.remove(oldKey);
            }
        } else if (ACCEPTED.equals(subscription.getStatus())) {
            logger.debug(
                "Cache a subscription: plan[{}] application[{}] client_id[{}]",
                subscription.getPlan(),
                subscription.getApplication(),
                subscription.getClientId()
            );
            cache.put(subscription.getId(), key);

            // Delete useless information to preserve memory
            subscription.setGeneralConditionsContentPageId(null);
            subscription.setRequest(null);
            subscription.setReason(null);
            subscription.setSubscribedBy(null);
            subscription.setProcessedBy(null);

            cache.put(key, subscription);

            if (element != null) {
                final String oldKey = (String) element;
                if (!oldKey.equals(key)) {
                    cache.remove(oldKey);
                }
            }
        }
    }

    public void setSubscriptionRepository(SubscriptionRepository subscriptionRepository) {
        this.subscriptionRepository = subscriptionRepository;
    }

    public void setCache(Map cache) {
        this.cache = cache;
    }
}