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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.rest.api.service.impl.upgrade;

import io.gravitee.rest.api.model.MetadataEntity;
import io.gravitee.rest.api.model.MetadataFormat;
import io.gravitee.rest.api.model.NewMetadataEntity;
import io.gravitee.rest.api.service.MetadataService;
import io.gravitee.rest.api.service.Upgrader;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.Ordered;
import org.springframework.stereotype.Component;

/**
 * @author David BRASSELY (david.brassely at graviteesource.com)
 * @author Titouan COMPIEGNE (titouan.compiegne at graviteesource.com)
 * @author GraviteeSource Team
 */
@Component
public class DefaultMetadataUpgrader implements Upgrader, Ordered {

    /**
     * Logger.
     */
    private final Logger logger = LoggerFactory.getLogger(DefaultMetadataUpgrader.class);

    public static final String METADATA_EMAIL_SUPPORT_KEY = "email-support";
    public static final String DEFAULT_METADATA_EMAIL_SUPPORT = "[email protected]";

    @Autowired
    private MetadataService metadataService;

    @Override
    public boolean upgrade() {
        // initialize default metadata
        final MetadataEntity defaultEmailSupportMetadata = metadataService.findDefaultByKey(METADATA_EMAIL_SUPPORT_KEY);

        if (defaultEmailSupportMetadata == null) {
            logger.info("    No default metadata for email support found. Add default one.");
            final NewMetadataEntity metadata = new NewMetadataEntity();
            metadata.setFormat(MetadataFormat.MAIL);
            metadata.setName("Email support");
            metadata.setValue(DEFAULT_METADATA_EMAIL_SUPPORT);
            final MetadataEntity metadataEntity = metadataService.create(metadata);
            logger.info("    Added default metadata for email support with success: {}", metadataEntity);
        }

        return true;
    }

    @Override
    public int getOrder() {
        return 100;
    }
}