prerna.reactor.insights.themes.SetInsightThemeReactor Maven / Gradle / Ivy

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package prerna.reactor.insights.themes;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Writer;
import java.util.List;
import java.util.Map;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import com.google.gson.Gson;

import prerna.cluster.util.ClusterUtil;
import prerna.project.api.IProject;
import prerna.reactor.insights.AbstractInsightReactor;
import prerna.sablecc2.om.PixelDataType;
import prerna.sablecc2.om.PixelOperationType;
import prerna.sablecc2.om.execptions.SemossPixelException;
import prerna.sablecc2.om.nounmeta.NounMetadata;
import prerna.util.AssetUtility;
import prerna.util.Constants;
import prerna.util.Utility;

public class SetInsightThemeReactor extends AbstractInsightReactor {
	
	private static final Logger classLogger = LogManager.getLogger(SetInsightThemeReactor.class);

	@Override
	public NounMetadata execute() {
		String versionFilePath = AssetUtility.getAssetBasePath(this.insight, null, true);
		String insightThemeFilePath = versionFilePath + DIR_SEPARATOR + IMAGE_THEME_FILE;
		File insightThemeFile = new File(insightThemeFilePath);
		if(insightThemeFile.exists() && insightThemeFile.isFile()) {
			// delete the current one
			insightThemeFile.delete();
		} else {
			// if the file exists and we delete it, we know the folder is there
			// we dont know for unsaved insights if it exists
			File parentF = insightThemeFile.getParentFile();
			if(!parentF.exists() || !parentF.isDirectory()) {
				parentF.mkdirs();
			}
		}
		
		List mapInputs = this.curRow.getNounsOfType(PixelDataType.MAP);
		if(mapInputs.isEmpty()) {
			throw new SemossPixelException("No insight theme json was passed to save");
		}
		
		Map value = (Map) mapInputs.get(0).getValue();
		try(Writer writer = new FileWriter(insightThemeFile)) {
			Gson gson = new Gson();
			gson.toJson(value, writer);
		} catch (IOException e) {
			classLogger.error(Constants.STACKTRACE, e);
			throw new SemossPixelException("An error occurred trying to save the insight theme");
		}
		
		if(this.insight.isSavedInsight()) {
			IProject project = Utility.getProject(insight.getProjectId());
			ClusterUtil.pushProjectFolder(project, versionFilePath);
		}
		
		return new NounMetadata(value, PixelDataType.MAP, PixelOperationType.INSIGHT_THEME);
	}

}