WIP - draft of DevUI pages for Hibernate ORM

* provide information about persistence units and their managed entities
* allow user to generate create-schema script

extensions/hibernate-orm/deployment/pom.xml

@@ -41,6 +41,10 @@
             <groupId>io.quarkus</groupId>
             <artifactId>quarkus-panache-hibernate-common-deployment</artifactId>
         </dependency>
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-vertx-http-deployment</artifactId>
+        </dependency>
         <dependency>
             <groupId>io.quarkus</groupId>
             <artifactId>quarkus-junit5-internal</artifactId>

extensions/hibernate-orm/deployment/src/main/java/io/quarkus/hibernate/orm/deployment/devconsole/DevConsoleProcessor.java

@@ -0,0 +1,48 @@
+package io.quarkus.hibernate.orm.deployment.devconsole;
+
+import static io.quarkus.deployment.annotations.ExecutionTime.RUNTIME_INIT;
+
+import io.quarkus.arc.deployment.SyntheticBeansRuntimeInitBuildItem;
+import io.quarkus.deployment.IsDevelopment;
+import io.quarkus.deployment.annotations.BuildStep;
+import io.quarkus.deployment.annotations.Consume;
+import io.quarkus.deployment.annotations.Record;
+import io.quarkus.devconsole.spi.DevConsoleRuntimeTemplateInfoBuildItem;
+import io.quarkus.hibernate.orm.runtime.HibernateOrmDevConsoleRecorder;
+import io.quarkus.hibernate.orm.runtime.PersistenceUnitInfoSupplier;
+import io.quarkus.vertx.http.deployment.NonApplicationRootPathBuildItem;
+import io.quarkus.vertx.http.deployment.RouteBuildItem;
+
+public class DevConsoleProcessor {
+
+    /**
+     * Collect a list of available persistence units for the DevUI templates.
+     */
+    /*
+     * @BuildStep(onlyIf = IsDevelopment.class)
+     * public DevConsoleTemplateInfoBuildItem collectDeploymentUnits(List<PersistenceUnitDescriptorBuildItem> persistenceUnits)
+     * {
+     * return new DevConsoleTemplateInfoBuildItem("persistenceUnits", persistenceUnits);
+     * }
+     */
+
+    @BuildStep(onlyIf = IsDevelopment.class)
+    public DevConsoleRuntimeTemplateInfoBuildItem collectDeploymentUnits() {
+        return new DevConsoleRuntimeTemplateInfoBuildItem("persistence", new PersistenceUnitInfoSupplier());
+    }
+
+    /**
+     * Register an endpoint that generates create-schema script for given PU.
+     */
+    @BuildStep(onlyIf = IsDevelopment.class)
+    @Record(RUNTIME_INIT)
+    @Consume(SyntheticBeansRuntimeInitBuildItem.class)
+    public RouteBuildItem schemaGenerationRoute(NonApplicationRootPathBuildItem nonApplicationRootPathBuildItem,
+            HibernateOrmDevConsoleRecorder hibernateOrmRecorder) {
+        return nonApplicationRootPathBuildItem.routeBuilder()
+                .route("pu-schema/:name")
+                .handler(hibernateOrmRecorder.schemaGenerationHandler())
+                .build();
+    }
+
+}

extensions/hibernate-orm/deployment/src/main/resources/dev-templates/embedded.html

@@ -0,0 +1,18 @@
+<a href="{urlbase}/persistence-units" class="badge badge-light">
+  <i class="fa fa-boxes fa-fw"></i>
+  Persistence units <span class="badge badge-light">{info:persistence.persistenceUnits.size}</span></a>
+
+<a href="{urlbase}/managed-entities" class="badge badge-light">
+  <i class="fa fa-table fa-fw"></i>
+  Entities <span class="badge badge-light">{info:persistence.managedEntities.size}</span></a>
+
+<a href="{urlbase}/named-queries" class="badge badge-light">
+  <i class="fa fa-question-circle fa-fw"></i>
+  Named Queries <span class="badge badge-light">{info:persistence.allNamedQueries.size}</span></a>
+
+{!
+{#for unit in info:persistenceUnits}
+<a href="/q/pu-schema/{unit.persistenceUnitName}" class="badge badge-light">
+  {unit.persistenceUnitName}</a>
+{/for}
+!}

extensions/hibernate-orm/deployment/src/main/resources/dev-templates/managed-entities.html

@@ -0,0 +1,36 @@
+{#include main}
+{#style}
+.annotation {
+color: gray;
+}
+{/style}
+{#title}Managed Entities{/title}
+{#body}
+
+{#if info:persistence.managedEntities.isEmpty}
+<p>No entities were found.</p>
+{#else}
+<table class="table table-striped">
+    <thead class="thead-dark">
+    <tr>
+        <th scope="col">#</th>
+        <th scope="col">Class name</th>
+        <th scope="col">Table name</th>
+        <th scope="col">Persistence Unit</th>
+    </tr>
+    </thead>
+    <tbody>
+    {#for entity in info:persistence.managedEntities}
+    <tr>
+        <td>{count}</td>
+        <td>{entity.className}</td>
+        <td>{entity.tableName}</td>
+        <td>{entity.persistenceUnitName}</td>
+    </tr>
+    {/for}
+    </tbody>
+</table>
+{/if}
+
+{/body}
+{/include}

extensions/hibernate-orm/deployment/src/main/resources/dev-templates/named-queries.html

@@ -0,0 +1,40 @@
+{#include main}
+{#style}
+.annotation {
+color: gray;
+}
+{/style}
+{#title}Named Queries{/title}
+{#body}
+
+{#if info:persistence.allNamedQueries.isEmpty}
+<p>No named queries were found.</p>
+{#else}
+<table class="table table-striped">
+    <thead class="thead-dark">
+    <tr>
+        <th scope="col">#</th>
+        <th scope="col">Name</th>
+        <th scope="col">Query</th>
+        <th scope="col">Lock Mode</th>
+        <th scope="col">Cacheable</th>
+        <th scope="col">Query Type</th>
+    </tr>
+    </thead>
+    <tbody>
+    {#for query in info:persistence.allNamedQueries}
+    <tr>
+        <td>{count}</td>
+        <td>{query.name}</td>
+        <td>{query.query}</td>
+        <td>{query.lockMode}</td>
+        <td>{query.cacheable}</td>
+        <td>{query.type}</td>
+    </tr>
+    {/for}
+    </tbody>
+</table>
+{/if}
+
+{/body}
+{/include}

extensions/hibernate-orm/deployment/src/main/resources/dev-templates/persistence-units.html

@@ -0,0 +1,70 @@
+{#include main}
+{#style}
+.ddl-script {
+    background-color: white;
+    padding: 5px;
+}
+{/style}
+{#title}Persistence Units{/title}
+{#body}
+
+{#if info:persistence.persistenceUnits.isEmpty}
+<p>No persistence units found.</p>
+{#else}
+<table class="table table-striped">
+    <thead class="thead-dark">
+    <tr>
+        <th scope="col">#</th>
+        <th scope="col">Persistence Unit Name</th>
+        <th scope="col">DDL</th>
+    </tr>
+    </thead>
+    <tbody>
+    {#for unit in info:persistence.persistenceUnits}
+    <tr>
+        <td>{count}</td>
+        <td>{unit.name}</td>
+        <td>
+            <p>
+                <b>Create script:</b>
+                <a href="#" onclick="copyToClipboard('create-script-{count}');">
+                    <i class="fa fa-clipboard"></i><span class="badge">Copy</span></a>
+            </p>
+
+            <pre id="create-script-{count}" class="ddl-script"></pre>
+            <script>
+                <!--
+                window.onload = (event) => {
+                    jQuery.get( "http://localhost:8080/q/pu-schema/%3Cdefault%3E", function( data ) {
+                        $( "#create-script-{count}" ).html( data );
+                    });
+                };
+                //-->
+
+
+            </script>
+        </td>
+    </tr>
+    {/for}
+    </tbody>
+</table>
+{/if}
+
+<script>
+<!--
+function copyToClipboard(elementId) {
+    var element = document.getElementById(elementId);
+    var range = document.createRange();
+    range.setStartBefore(element.firstChild);
+	range.setEndAfter(element.lastChild);
+	var selection = window.getSelection();
+	selection.removeAllRanges();
+	selection.addRange(range);
+	document.execCommand('copy');
+}
+//-->
+
+</script>
+
+{/body}
+{/include}

extensions/hibernate-orm/runtime/pom.xml

@@ -41,6 +41,10 @@
             <groupId>io.quarkus</groupId>
             <artifactId>quarkus-narayana-jta</artifactId>
         </dependency>
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-vertx-http</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.hibernate</groupId>
             <artifactId>hibernate-core</artifactId>

extensions/hibernate-orm/runtime/src/main/java/io/quarkus/hibernate/orm/runtime/FastBootHibernatePersistenceProvider.java

@@ -1,5 +1,6 @@
 package io.quarkus.hibernate.orm.runtime;
 
+import java.io.StringWriter;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
@@ -99,6 +100,28 @@ public boolean generateSchema(String persistenceUnitName, Map map) {
         return true;
     }
 
+    /**
+     * TODO: Figure out how to provide separate "create" and "drop" scripts. Currently this only do "create".
+     *
+     * A variant of {@link #generateSchema(String persistenceUnitName, Map map)} that returns the SQL script as a string.
+     *
+     * @param persistenceUnitName PU name
+     * @param map should be always null, as Quarkus doesn't allow to provide any properties in runtime.
+     * @return schema as string
+     */
+    @SuppressWarnings("rawtypes")
+    public String generateSchemaToString(String persistenceUnitName, Map map) {
+        final FastBootEntityManagerFactoryBuilder builder = (FastBootEntityManagerFactoryBuilder) getEntityManagerFactoryBuilderOrNull(
+                persistenceUnitName, map);
+        if (builder == null) {
+            log.trace("Could not obtain matching EntityManagerFactoryBuilder, returning null");
+            return null;
+        }
+        StringWriter createWriter = new StringWriter();
+        builder.generateSchema(createWriter);
+        return createWriter.toString();
+    }
+
     @Override
     public ProviderUtil getProviderUtil() {
         return providerUtil;

extensions/hibernate-orm/runtime/src/main/java/io/quarkus/hibernate/orm/runtime/HibernateOrmDevConsoleRecorder.java

@@ -0,0 +1,14 @@
+package io.quarkus.hibernate.orm.runtime;
+
+import io.quarkus.runtime.annotations.Recorder;
+import io.vertx.core.Handler;
+import io.vertx.ext.web.RoutingContext;
+
+@Recorder
+public class HibernateOrmDevConsoleRecorder {
+
+    public Handler<RoutingContext> schemaGenerationHandler() {
+        return new PersistenceUnitSchemaGenerationHandler();
+    }
+
+}

extensions/hibernate-orm/runtime/src/main/java/io/quarkus/hibernate/orm/runtime/HibernateOrmRecorder.java

@@ -118,5 +118,4 @@ protected Session delegate() {
             }
         };
     }
-
 }