io.virtdata.docsys.metafs.fs.renderfs.renderers.MustacheRenderer Maven / Gradle / Ivy

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package io.virtdata.docsys.metafs.fs.renderfs.renderers;

import com.samskivert.mustache.Template;
import io.virtdata.docsys.metafs.fs.renderfs.api.rendered.CachedContent;
import io.virtdata.docsys.metafs.fs.renderfs.api.rendered.RenderedContent;
import io.virtdata.docsys.metafs.fs.renderfs.api.rendering.Renderer;
import io.virtdata.docsys.metafs.fs.renderfs.api.rendering.RenderingScope;
import io.virtdata.docsys.metafs.fs.renderfs.api.rendering.TemplateView;

public class MustacheRenderer implements Renderer {

    private final TemplateView templateView;
    private Template compiledTemplate;


    public MustacheRenderer(TemplateView templateView) {
        this.templateView = templateView;
    }

    @Override
    public RenderedContent apply(RenderingScope scope) {
        try {

            if (compiledTemplate == null) {
                this.compiledTemplate = MustacheProcessor.compiler.compile(templateView.getRawTemplate());
            }
//                String renderedText = compiledTemplate.execute(viewModel);
            return new CachedContent<>(()->compiledTemplate.execute(scope.getViewModel()),scope);
        } catch (Exception e) {
            throw new RuntimeException(e);
//                List details = new ArrayList<>();
//
//                if (viewModel!=null) {
//                    details.add("View Model:");
//                    details.add(viewModel.toString());
//                }
//
//                details.add("Template Path:");
//                details.add(templateView.getTemplatePath().toString());
//
//                details.add("Raw Template:");
//                details.add(templateView.getRawTemplate());
//
//                if (viewModel.getTarget().toString().endsWith(".md")) {
//                    return new MarkdownRenderedException(e, templateView, viewModel, scope, details.toArray());
//                } else if (viewModel.getTarget().toString().endsWith(".html")) {
//                    return new HTMLRenderedException(e, templateView, viewModel, scope, details.toArray());
//                } else {
//                    return new ExceptionContent(e, getVersion(), scope, details.toArray());
//                }
//
        }
    }

    @Override
    public String wrapError(String error) {
        return "Mustache Error\n" + error;
    }

    @Override
    public long getVersion() {
        return 0;
    }

    @Override
    public boolean isValid() {
        return false;
    }
}