com.vmware.pscoe.iac.artifact.strategy.StrategySkipOldVersions Maven / Gradle / Ivy

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/*
 * #%L
 * artifact-manager
 * %%
 * Copyright (C) 2023 VMware
 * %%
 * Build Tools for VMware Aria
 * Copyright 2023 VMware, Inc.
 * 
 * This product is licensed to you under the BSD-2 license (the "License"). You may not use this product except in compliance with the BSD-2 License.  
 * 
 * This product may include a number of subcomponents with separate copyright notices and license terms. Your use of these subcomponents is subject to the terms and conditions of the subcomponent's license, as noted in the LICENSE file.
 * #L%
 */
package com.vmware.pscoe.iac.artifact.strategy;

import java.util.Hashtable;
import java.util.List;
import java.util.stream.Collectors;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.vmware.pscoe.iac.artifact.model.Package;

/**
 * Strategy to skip packages with older versions.
 */
public class StrategySkipOldVersions implements Strategy {

	/**
	 * Logger for the class.
	 */
	protected final Logger logger = LoggerFactory.getLogger(StrategySkipOldVersions.class);

	/**
	 * Filter sourceEndpointPackages with higher version then their server representative.
	 *
	 * @param sourceEndpointPackages      - sourceEndpointPackages
	 * @param destinationEndpointPackages - destinationEndpointPackages
	 * @return - sourceEndpointPackages with higher version then their server representative.
	 */
	public List filterHigherVersions(List sourceEndpointPackages,
			List destinationEndpointPackages) {
		Hashtable latestPackages = new Hashtable<>();
		destinationEndpointPackages.forEach(aPackage -> {
			Package latest = latestPackages.get(aPackage.getName());
			if (latest == null || latest.compareTo(aPackage) < 0) {
				latestPackages.put(aPackage.getName(), aPackage);
			}
		});

		logger.info("STRATEGY| PASS | Source.Version > Destination.Version");
		List sourceEndpointPackagesHigerVersion = sourceEndpointPackages.stream().filter(sourcePackage -> {
			Package latest = latestPackages.get(sourcePackage.getName());
			boolean pass = true;
			if (latest != null) {
				int diff = latest.compareTo(sourcePackage);
				// same version with -SNAPSHOT is considered newer
				if (diff == 0 && latest.isSnapshot()) {
					pass = true;
				} else {
					pass = diff < 0;
				}
			}
			logInfoPackages(sourcePackage, latest, pass ? "PASS" : "SKIP", ">");
			return pass;
		}).collect(Collectors.toList());

		return sourceEndpointPackagesHigerVersion;
	}

	/**
	 * @return - sourceEndpointPackages with higher version then their server
	 *         representative.
	 */
	@Override
	public List getImportPackages(List sourceEndpointPackages,
			List destinationEndpointPackages) {
		logger.info("STRATEGY| INFO | Apply Configuration strategies for import");
		return filterHigherVersions(sourceEndpointPackages, destinationEndpointPackages);
	}

	/**
	 * @return - sourceEndpointPackages with higher version then their server
	 *         representative.
	 */
	@Override
	public List getExportPackages(List sourceEndpointPackages,
			List destinationEndpointPackages) {
		logger.info("STRATEGY| INFO | Apply Configuration strategies for export");
		return filterHigherVersions(sourceEndpointPackages, destinationEndpointPackages);
	}

	/**
	 * Log information about packages.
	 *
	 * @param sourcePackage      - the source package
	 * @param destinationPackage - the destination package
	 * @param filterFlag         - the filter flag
	 * @param filterSign         - the filter sign
	 */
	protected void logInfoPackages(Package sourcePackage, Package destinationPackage, String filterFlag,
			String filterSign) {
		String msg = String.format("PACKAGE | %s | %s (%s) %s (%s)", filterFlag, sourcePackage.getName(),
				sourcePackage.getVersion(), filterSign,
				(destinationPackage != null ? destinationPackage.getVersion() : "missing"));
		logger.info(msg);
	}

}