preparando el imprimir

src/main/java/com/imprimelibros/erp/pdf/PdfTemplateEngine.java

@@ -0,0 +1,22 @@
+package com.imprimelibros.erp.pdf;
+
+import org.thymeleaf.context.Context;
+import org.thymeleaf.spring6.SpringTemplateEngine;
+import org.springframework.stereotype.Service;
+import java.util.Locale;
+import java.util.Map;
+
+@Service
+public class PdfTemplateEngine {
+    private final SpringTemplateEngine thymeleaf;
+
+    public PdfTemplateEngine(SpringTemplateEngine thymeleaf) {
+        this.thymeleaf = thymeleaf;
+    }
+
+    public String render(String templateName, Locale locale, Map<String,Object> model) {
+        Context ctx = new Context(locale);
+        if (model != null) model.forEach(ctx::setVariable);
+        return thymeleaf.process(templateName, ctx);
+    }
+}