ch.sbb.releasetrain.state.GitStateStore Maven / Gradle / Ivy

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements;
 * and to You under the Apache License, Version 2.0.
 */
package ch.sbb.releasetrain.state;

import ch.sbb.releasetrain.git.GITAccessor;
import ch.sbb.releasetrain.git.GitException;
import ch.sbb.releasetrain.git.GitRepo;
import ch.sbb.releasetrain.state.model.ReleaseState;

import lombok.AccessLevel;
import lombok.AllArgsConstructor;
import lombok.NoArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Profile;
import org.springframework.stereotype.Component;

/**
 * Store the release state and config within a git repo in a special branch.
 *
 * @author u206123 (Florian Seidl)
 * @since 0.0.6, 2016.
 */
@Slf4j
@Component
@Profile("!file")
@AllArgsConstructor(access = AccessLevel.PACKAGE)
@NoArgsConstructor
public class GitStateStore implements StateStore {

	@Autowired
	private GITAccessor git;

	private boolean resetOnStartup = true;

	@Override
	public void writeReleaseStatus(final ReleaseState releaseState) {

		if (!git.isWrite()) {
			log.error("GIT Repo not writable !");
			throw new GitException("GIT Repo not writable!");
		}

		log.debug("Writing releaseState {}", releaseState);
		new StateFileWriter(git.directory()).write(releaseState);
		log.info("Wrote releaseState for release={}", releaseState.getReleaseName());
		git.signalCommit();
	}

	@Override
	public ReleaseState readReleaseStatus(final String releaseIdentifier) {

		if (!git.isRead()) {
			log.error("GIT Repo not readble !");
			throw new GitException("GIT Repo not readble !");
		}

		ReleaseState releaseState = new StateFileReader(git.directory()).read(releaseIdentifier);
		log.info("Read releaseState for release={}", releaseIdentifier);
		log.debug("Read releaseState={}", releaseState);
		return releaseState;
	}

	private GitRepo gitRepo() {

		GitRepo repo = git.getRepo();

		// reset if requested and set resetOnStartup to false, so reset is done
		// only at the beginning
		if (this.resetOnStartup) {
			repo.reset();
			this.resetOnStartup = false;
		}
		return repo;
	}
}