DBT-422 add podcast browsing and playback interface

pom.xml

@@ -36,7 +36,10 @@
     <media.projectBase>${project.build.directory}/media</media.projectBase>
     <mir-layout-assets>${project.build.directory}/mir-layout-assets</mir-layout-assets>
     <mir.version>2025.06.3-SNAPSHOT</mir.version>
+    <node.version>v20.19.0</node.version>
     <npm.version>10.9.2</npm.version>
+    <podcast.projectBase>${basedir}/src/main/podcast</podcast.projectBase>
+    <podcast.targetBase>${project.build.directory}/podcast</podcast.targetBase>
     <rcclient.projectBase>${project.build.directory}/rcclient</rcclient.projectBase>
     <template.assetsdir>${template.targetdir}/dbt/assets</template.assetsdir>
     <template.cssdir>${template.targetdir}/dbt/css</template.cssdir>
@@ -283,6 +286,31 @@
               <arguments>run build</arguments>
             </configuration>
           </execution>
+          <execution>
+            <id>podcast-deps</id>
+            <goals>
+              <goal>npm</goal>
+            </goals>
+            <phase>process-resources</phase>
+            <configuration>
+              <workingDirectory>${podcast.projectBase}</workingDirectory>
+              <arguments>ci</arguments>
+              <environmentVariables>
+                <NPM_CONFIG_CACHE>${project.build.directory}/npm-cache</NPM_CONFIG_CACHE>
+              </environmentVariables>
+            </configuration>
+          </execution>
+          <execution>
+            <id>podcast-build</id>
+            <goals>
+              <goal>npm</goal>
+            </goals>
+            <phase>process-resources</phase>
+            <configuration>
+              <workingDirectory>${podcast.projectBase}</workingDirectory>
+              <arguments>run build -- --outDir=${podcast.targetBase}/dist --emptyOutDir</arguments>
+            </configuration>
+          </execution>
         </executions>
       </plugin>
       <plugin>
@@ -345,6 +373,22 @@
               </resources>
             </configuration>
           </execution>
+          <execution>
+            <id>podcast-web-resources</id>
+            <goals>
+              <goal>copy-resources</goal>
+            </goals>
+            <phase>process-resources</phase>
+            <configuration>
+              <outputDirectory>${template.targetdir}/dbt/assets/podcast</outputDirectory>
+              <resources>
+                <resource>
+                  <filtering>false</filtering>
+                  <directory>${podcast.targetBase}/dist</directory>
+                </resource>
+              </resources>
+            </configuration>
+          </execution>
         </executions>
       </plugin>
       <plugin>

src/main/java/de/urmel_dl/dbt/migration/PodcastClassificationInitializer.java

@@ -0,0 +1,101 @@
+/*
+ * This file is part of the Digitale Bibliothek Thüringen repository software.
+ * Copyright (c) 2000 - 2016
+ * See <https://www.db-thueringen.de/> and <https://github.com/ThULB/dbt/>
+ *
+ * This program is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package de.urmel_dl.dbt.migration;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.mycore.backend.jpa.MCREntityManagerProvider;
+import org.mycore.common.events.MCRStartupHandler;
+import org.mycore.datamodel.classifications2.MCRCategory;
+import org.mycore.datamodel.classifications2.MCRCategoryDAO;
+import org.mycore.datamodel.classifications2.MCRCategoryDAOFactory;
+import org.mycore.datamodel.classifications2.MCRCategoryID;
+import org.mycore.datamodel.classifications2.MCRLabel;
+import org.mycore.datamodel.classifications2.impl.MCRCategoryImpl;
+
+import jakarta.persistence.EntityManager;
+import jakarta.persistence.EntityTransaction;
+import jakarta.servlet.ServletContext;
+
+/**
+ * Adds the podcast publication type to installations whose MIR genre classification
+ * has already been persisted and is therefore not refreshed from setup resources.
+ */
+public final class PodcastClassificationInitializer implements MCRStartupHandler.AutoExecutable {
+
+    private static final Logger LOGGER = LogManager.getLogger();
+
+    private static final MCRCategoryID GENRES_ID = new MCRCategoryID("mir_genres");
+
+    private static final MCRCategoryID PODCAST_ID = new MCRCategoryID("mir_genres", "podcast");
+
+    private static final int PRIORITY = 998;
+
+    @Override
+    public String getName() {
+        return PodcastClassificationInitializer.class.getSimpleName();
+    }
+
+    @Override
+    public int getPriority() {
+        return PRIORITY;
+    }
+
+    @Override
+    public void startUp(final ServletContext servletContext) {
+        MCRCategoryDAO categoryDAO = MCRCategoryDAOFactory.obtainInstance();
+        EntityManager entityManager = MCREntityManagerProvider.getCurrentEntityManager();
+        EntityTransaction transaction = entityManager.getTransaction();
+        try {
+            transaction.begin();
+            if (categoryDAO.exist(PODCAST_ID)) {
+                return;
+            }
+
+            if (!categoryDAO.exist(GENRES_ID)) {
+                LOGGER.warn("Cannot add {} because classification {} does not exist",
+                    PODCAST_ID, GENRES_ID);
+                return;
+            }
+
+            categoryDAO.addCategory(GENRES_ID, createPodcastCategory());
+            LOGGER.info("Added publication type {}", PODCAST_ID);
+        } finally {
+            if (transaction.isActive()) {
+                if (transaction.getRollbackOnly()) {
+                    transaction.rollback();
+                } else {
+                    transaction.commit();
+                }
+            }
+        }
+    }
+
+    private static MCRCategory createPodcastCategory() {
+        MCRCategory category = new MCRCategoryImpl();
+        category.setId(PODCAST_ID);
+        category.getLabels().add(new MCRLabel("de", "Podcast", null));
+        category.getLabels().add(new MCRLabel("en", "Podcast", null));
+        category.getLabels().add(new MCRLabel("it", "Podcast", null));
+        category.getLabels().add(new MCRLabel("x-hosts", "standalone", null));
+        category.getLabels().add(new MCRLabel("x-mapping",
+            "marcgt:sound diniPublType:Sound diniPublType2022:Sound schemaOrg:PodcastEpisode "
+                + "coarResourceTypes32:c_18cc openAIRE400resourceTypeGeneral:other_research_product",
+            null));
+        return category;
+    }
+}

src/main/java/de/urmel_dl/dbt/podcast/servlets/PodcastServlet.java

@@ -0,0 +1,37 @@
+/*
+ * This file is part of the Digitale Bibliothek Thüringen repository software.
+ * Copyright (c) 2000 - 2026
+ * See <https://www.db-thueringen.de/> and <https://github.com/ThULB/dbt/>
+ *
+ * This program is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ */
+package de.urmel_dl.dbt.podcast.servlets;
+
+import java.io.Serial;
+
+import org.jdom2.Document;
+import org.jdom2.Element;
+import org.mycore.common.content.MCRJDOMContent;
+import org.mycore.frontend.servlets.MCRServlet;
+import org.mycore.frontend.servlets.MCRServletJob;
+
+/**
+ * Renders the MIR shell used as the mount point for the podcast Vue application.
+ *
+ * <p>The servlet deliberately does not interpret {@code pathInfo}. Every URL below
+ * {@code /podcast/} receives the same shell; client-side routing is exclusively
+ * handled by Vue Router.</p>
+ */
+public class PodcastServlet extends MCRServlet {
+
+    @Serial
+    private static final long serialVersionUID = 1L;
+
+    @Override
+    public void doGetPost(final MCRServletJob job) throws Exception {
+        final Document document = new Document(new Element("podcast"));
+        getLayoutService().doLayout(job.getRequest(), job.getResponse(), new MCRJDOMContent(document));
+    }
+}

src/main/podcast/.gitignore

@@ -0,0 +1,24 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+dist
+dist-ssr
+*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?

src/main/podcast/index.html

@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<html class="no-js" lang="de">
+<head>
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+    <title>Development mode</title>
+    <meta content="text/html; charset=UTF-8" http-equiv="content-type">
+    <meta content="width=device-width, initial-scale=1.0" name="viewport">
+    <meta name="podcast-base-path" content="/" />
+    <meta name="podcast-application-base-url" content="/mir/" />
+    <meta name="podcast-locale" content="de" />
+    <link rel="icon" href="/favicon.png">
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.8/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@fortawesome/fontawesome-free@6.7.2/css/all.min.css">
+    <script type="module" src="/src/index.ts"></script>
+</head>
+<body class="d-flex flex-column min-vh-100">
+<section class="flex-grow-1">
+    <div class="container">
+        <div id="main_content">
+            <div class="container" ></div>
+        </div>
+    </div>
+</section>
+</body>
+</html>