scaffolding wiki module

backend/build.gradle.kts

@@ -28,6 +28,8 @@ dependencies{
     implementation(project(":translations"))
     implementation(project(":user"))
     implementation(project(":web"))
+    implementation(project(":wiki"))
+
     implementation("de.srsoftware:configuration.json:1.0.3")
     implementation("de.srsoftware:tools.slf4j2syslog:1.0.1") // this provides a slf4j implementation that forwards to System.Logger
 }

backend/src/main/java/de/srsoftware/umbrella/backend/Application.java

@@ -12,6 +12,7 @@ import de.srsoftware.umbrella.bookmarks.BookmarkApi;
 import de.srsoftware.umbrella.company.CompanyModule;
 import de.srsoftware.umbrella.core.ModuleRegistry;
 import de.srsoftware.umbrella.core.Util;
+import de.srsoftware.umbrella.core.api.WikiService;
 import de.srsoftware.umbrella.core.exceptions.UmbrellaException;
 import de.srsoftware.umbrella.documents.DocumentApi;
 import de.srsoftware.umbrella.items.ItemApi;
@@ -30,6 +31,8 @@ import java.io.File;
 import java.io.IOException;
 import java.net.InetSocketAddress;
 import java.util.concurrent.Executors;
+
+import de.srsoftware.umbrella.wiki.WikiModule;
 import org.json.JSONObject;
 
 public class Application {
@@ -79,6 +82,7 @@ public class Application {
 		new TaskLegacy(registry, config).bindPath("/legacy/task").on(server);
 		new TimeModule(registry, config).bindPath("/api/time").on(server);
 		new WebHandler(registry).bindPath("/").on(server);
+		new WikiModule(registry, config).bindPath("/api/wiki").on(server);
 
 		server.setExecutor(Executors.newFixedThreadPool(threads));
 		server.start();

core/src/main/java/de/srsoftware/umbrella/core/ModuleRegistry.java

@@ -18,7 +18,7 @@ public class ModuleRegistry {
 	private TimeService timeService;
 	private Translator translator;
 	private UserService userService;
-
+	private WikiService wikiService;
 
 
 	public ModuleRegistry add(Object service) {
@@ -36,6 +36,7 @@ public class ModuleRegistry {
 			case TimeService     ts: timeService     = ts; break;
 			case Translator      tr: translator      = tr; break;
 			case UserService     us: userService     = us; break;
+			case WikiService     ws: wikiService     = ws; break;
 			case null: break;
 			default: System.getLogger(getClass().getSimpleName()).log(System.Logger.Level.WARNING,"Trying to add untracked class {0} to {1}",service.getClass().getSimpleName(),getClass().getSimpleName());
 		}
@@ -93,4 +94,6 @@ public class ModuleRegistry {
 	public UserService userService(){
 		return userService;
 	}
+
+	public WikiService wikiService() { return wikiService; };
 }

core/src/main/java/de/srsoftware/umbrella/core/api/WikiService.java

@@ -0,0 +1,4 @@
+package de.srsoftware.umbrella.core.api;
+
+public interface WikiService {
+}

settings.gradle.kts

@@ -18,3 +18,4 @@ include("time")
 include("translations")
 include("user")
 include("web")
+include("wiki")

wiki/src/main/java/de/srsoftware/umbrella/wiki/Constants.java

@@ -0,0 +1,8 @@
+/* © SRSoftware 2025 */
+package de.srsoftware.umbrella.wiki;
+
+public class Constants {
+	private Constants(){}
+
+	public static final String CONFIG_DATABASE = "umbrella.modules.wiki.database";
+}

wiki/src/main/java/de/srsoftware/umbrella/wiki/SqliteDb.java

@@ -0,0 +1,24 @@
+package de.srsoftware.umbrella.wiki;
+
+import de.srsoftware.umbrella.core.BaseDb;
+
+import java.sql.Connection;
+
+public class SqliteDb extends BaseDb implements WikiDb {
+	private static final System.Logger LOG = System.getLogger("TaskDb");
+	private static final int INITIAL_DB_VERSION = 1;
+
+	public SqliteDb(Connection connection) {
+		super(connection);
+	}
+
+	@Override
+	protected int createTables() {
+		int currentVersion = createSettingsTable();
+		switch (currentVersion){
+			case 0: ; // TODO
+		}
+
+		return setCurrentVersion(3);
+	}
+}

wiki/src/main/java/de/srsoftware/umbrella/wiki/WikiDb.java

@@ -0,0 +1,16 @@
+/* © SRSoftware 2025 */
+package de.srsoftware.umbrella.wiki;
+
+
+import de.srsoftware.umbrella.core.exceptions.UmbrellaException;
+import de.srsoftware.umbrella.core.model.Permission;
+import de.srsoftware.umbrella.core.model.Task;
+import de.srsoftware.umbrella.core.model.UmbrellaUser;
+
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+
+public interface WikiDb {
+
+}

wiki/src/main/java/de/srsoftware/umbrella/wiki/WikiModule.java

@@ -0,0 +1,20 @@
+package de.srsoftware.umbrella.wiki;
+
+import de.srsoftware.configuration.Configuration;
+import de.srsoftware.umbrella.core.BaseHandler;
+import de.srsoftware.umbrella.core.ModuleRegistry;
+import de.srsoftware.umbrella.core.api.WikiService;
+
+import static de.srsoftware.umbrella.core.ConnectionProvider.connect;
+import static de.srsoftware.umbrella.core.exceptions.UmbrellaException.missingFieldException;
+import static de.srsoftware.umbrella.wiki.Constants.CONFIG_DATABASE;
+
+public class WikiModule extends BaseHandler implements WikiService {
+	private final WikiDb wikiDb;
+
+	public WikiModule(ModuleRegistry registry, Configuration config) {
+		super(registry);
+		var dbFile = config.get(CONFIG_DATABASE).orElseThrow(() -> missingFieldException(CONFIG_DATABASE));
+		wikiDb     = new SqliteDb(connect(dbFile));
+	}
+}