Support folders

Closes #3

Signed-off-by: Minecon724 <git@m724.eu>

example_workdir/site.yml

@@ -1,5 +1,5 @@
 name: my blog
-baseUrl: https://example.com
+baseUrl: https://example.com/blog
 
 coolProperty: 1231
 coolerProperty:

src/main/java/eu/m724/blog/BlogBuilder.java

@@ -133,7 +133,7 @@ public class BlogBuilder {
             this.renderOptions = RenderOptions.fromConfig(workingDirectory.resolve("render.yml"));
 
         if (template == null)
-            this.template = new TemplateRenderer(templateDirectory);
+            this.template = new TemplateRenderer(site, templateDirectory);
 
         LOGGER.debug("Copying assets...");
         copyTree(workingDirectory.resolve("assets"), outputDirectory.resolve("assets"));
@@ -144,7 +144,7 @@ public class BlogBuilder {
 
         LOGGER.debug("Rendering meta...");
         posts.sort(Comparator.comparing(Post::createdAt).reversed());
-        Files.writeString(outputDirectory.resolve("index.html"), template.renderIndex(site, posts));
+        Files.writeString(outputDirectory.resolve("index.html"), template.renderIndex(posts));
 
         Files.writeString(outputDirectory.resolve("posts.rss"), Feed.generateRss(site, posts));
 
@@ -154,6 +154,16 @@ public class BlogBuilder {
         }
     }
 
+    // TODO should server be here in builder really
+    public void startServer(boolean openBrowser) throws IOException {
+        var server = new Server(outputDirectory, site.directory());
+        server.start();
+
+        if (openBrowser) {
+            server.openBrowser();
+        }
+    }
+
     private List<Post> renderPosts() throws IOException {
         Files.createDirectory(outputDirectory.resolve("post"));
         var postDirectory = workingDirectory.resolve("posts");
@@ -178,7 +188,7 @@ public class BlogBuilder {
                     continue;
                 }
 
-                var render = template.renderPost(site, post);
+                var render = template.renderPost(post);
                 var outFile = outputDirectory.resolve("post").resolve(path);
 
                 try {

src/main/java/eu/m724/blog/Main.java

@@ -46,16 +46,7 @@ public class Main {
         //                                                                            BAD
         LOGGER.info("Exported to {} in {} ms", outputDirectory.toAbsolutePath(), "%.2f".formatted((end - start) / 1000000.0));
 
-        /* Server process */
-
-        if (startServer) {
-            var server = new Server(outputDirectory);
-            server.start();
-
-            if (openBrowser) {
-                server.openBrowser();
-            }
-        }
+        builder.startServer(openBrowser);
     }
 
     private static CommandLine getCommandLine(String[] args) {

src/main/java/eu/m724/blog/Server.java

@@ -17,18 +17,21 @@ import java.nio.file.Path;
 public class Server {
     private static final Logger LOGGER = LoggerFactory.getLogger(Server.class);
 
-    private final Path webroot;
+    private final Path sitePath;
+    private final String contextPath;
     private InetSocketAddress listenAddress;
 
     /**
      * Constructs a {@link Server} instance with the specified webroot directory
      * and the specified listening address.
      *
-     * @param webroot the path to the webroot directory from which files will be served
+     * @param sitePath the directory from which files will be served
+     * @param contextPath TODO explain
      * @param listenAddress the address and port the server will listen on
      */
-    public Server(Path webroot, InetSocketAddress listenAddress) {
-        this.webroot = webroot;
+    public Server(Path sitePath, String contextPath, InetSocketAddress listenAddress) {
+        this.sitePath = sitePath;
+        this.contextPath = contextPath;
         this.listenAddress = listenAddress;
     }
 
@@ -36,10 +39,11 @@ public class Server {
      * Constructs a {@link Server} instance with the specified webroot directory.
      * The server will bind to the localhost address with a dynamically chosen port.
      *
-     * @param webroot the path to the webroot directory from which files will be served
+     * @param sitePath the directory from which files will be served
+     * @param contextPath TODO explain
      */
-    public Server(Path webroot) {
-        this(webroot, new InetSocketAddress("localhost", 0));
+    public Server(Path sitePath, String contextPath) {
+        this(sitePath, contextPath, new InetSocketAddress("localhost", 0));
     }
 
     /**
@@ -48,8 +52,9 @@ public class Server {
      * @throws IOException if an I/O error occurs during server initialization
      */
     public void start() throws IOException {
+        System.out.println(contextPath);
         var server = HttpServer.create(listenAddress, 0);
-        server.createContext("/", SimpleFileServer.createFileHandler(webroot.toAbsolutePath()));
+        server.createContext(contextPath, SimpleFileServer.createFileHandler(sitePath.toAbsolutePath()));
         server.start();
 
         LOGGER.info("Server started on http:/{}", server.getAddress());
@@ -62,7 +67,7 @@ public class Server {
      */
     public void openBrowser() {
         try {
-            var process = Runtime.getRuntime().exec(new String[] { "xdg-open", "http://" + listenAddress.getHostString() + ":" + listenAddress.getPort() });
+            var process = Runtime.getRuntime().exec(new String[] { "xdg-open", "http://" + listenAddress.getHostString() + ":" + listenAddress.getPort() + contextPath });
             var code = process.waitFor();
             if (code != 0) {
                 throw new Exception("Exit code " + code);

src/main/java/eu/m724/blog/data/Site.java

@@ -14,12 +14,15 @@ import java.util.Map;
  *
  * @param name the name of the site
  * @param baseUrl the base URL of the site
+ * @param directory The directory that the site is installed into. Like "https://example.com/blog" turns to "/blog"
  * @param custom a map of additional custom properties
  */
 public record Site(
         String name,
         String baseUrl,
 
+        String directory,
+
         Map<String, Object> custom
 ) {
     /**
@@ -53,8 +56,14 @@ public record Site(
             }
         }
 
+        String directory = null;
+        if (baseUrl != null) {
+            var temp = baseUrl.substring(baseUrl.indexOf(':') + 3);
+            directory = temp.substring(temp.indexOf('/'));
+        }
+
         return new Site(
-                name, baseUrl, custom
+                name, baseUrl, directory, custom
         );
     }
 }

src/main/java/eu/m724/blog/template/TemplateExtension.java

@@ -1,5 +1,6 @@
 package eu.m724.blog.template;
 
+import eu.m724.blog.data.Site;
 import io.pebbletemplates.pebble.extension.AbstractExtension;
 import io.pebbletemplates.pebble.extension.Function;
 import io.pebbletemplates.pebble.template.EvaluationContext;
@@ -9,6 +10,12 @@ import java.util.List;
 import java.util.Map;
 
 public class TemplateExtension extends AbstractExtension {
+    private final Site site;
+
+    public TemplateExtension(Site site) {
+        this.site = site;
+    }
+
     @Override
     public Map<String, Function> getFunctions() {
         return Map.of(
@@ -20,7 +27,7 @@ public class TemplateExtension extends AbstractExtension {
 
                     @Override
                     public Object execute(Map<String, Object> args, PebbleTemplate self, EvaluationContext context, int lineNumber) {
-                        return "/static/" + args.get("path"); // TODO for more advanced stuff
+                        return site.directory() + "/static/" + args.get("path");
                     }
                 },
                 "asset", new Function() {
@@ -31,9 +38,10 @@ public class TemplateExtension extends AbstractExtension {
 
                     @Override
                     public Object execute(Map<String, Object> args, PebbleTemplate self, EvaluationContext context, int lineNumber) {
-                        return "/assets/" + args.get("path"); // TODO for more advanced stuff
+                        return site.directory() + "/assets/" + args.get("path");
                     }
                 }
+                // TODO make url_for that supports relative and absolute paths
         );
     }
 }

src/main/java/eu/m724/blog/template/TemplateRenderer.java

@@ -17,23 +17,26 @@ import java.util.Map;
  * using the Pebble templating engine.
  */
 public class TemplateRenderer {
+    private final Site site;
     private final PebbleTemplate indexTemplate, articleTemplate;
 
     /**
      * Constructs a TemplateRenderer instance for rendering templates from the specified directory.
-     *
+
+     * @param site the {@link Site} this renderer renders
      * @param templateDirectory the root directory containing the template files
      */
-    public TemplateRenderer(Path templateDirectory) {
+    public TemplateRenderer(Site site, Path templateDirectory) {
         var loader = new FileLoader();
         loader.setPrefix(templateDirectory.toString());
         loader.setSuffix(".html");
 
         var pebbleEngine = new PebbleEngine.Builder()
                 .loader(loader)
-                .extension(new TemplateExtension())
+                .extension(new TemplateExtension(site))
                 .build();
 
+        this.site = site;
         this.indexTemplate = pebbleEngine.getTemplate("index_template");
         this.articleTemplate = pebbleEngine.getTemplate("article_template");
     }
@@ -41,12 +44,11 @@ public class TemplateRenderer {
     /**
      * Renders the index page using this template.
      *
-     * @param site the {@link Site} this index is for
      * @param posts the {@link Post}s to be included in the index page
      * @return the rendered index HTML page as a string
      * @throws IOException if an error occurs during the template evaluation
      */
-    public String renderIndex(Site site, List<Post> posts) throws IOException {
+    public String renderIndex(List<Post> posts) throws IOException {
         Map<String, Object> context = Map.of(
                 "site", site,
                 "articles", posts
@@ -61,12 +63,11 @@ public class TemplateRenderer {
     /**
      * Renders the content of a post using this template.
      *
-     * @param site the {@link Site} containing the post
      * @param post the {@link Post} to be rendered
      * @return the rendered post HTML page as a string
      * @throws IOException if an error occurs during template evaluation
      */
-    public String renderPost(Site site, Post post) throws IOException {
+    public String renderPost(Post post) throws IOException {
         Map<String, Object> context = Map.of(
                 "site", site,
                 "article", post