working on journal module

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

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

@@ -65,7 +65,7 @@ public class Application {
 		var server            = HttpServer.create(new InetSocketAddress(port), 0);
 		try {
 			new Translations().bindPath("/api/translations").on(server);
-			new JournalModule().bindPath("/api/journal").on(server);
+			new JournalModule(config).bindPath("/api/journal").on(server);
 			new MessageApi().bindPath("/api/bus").on(server);
 			new MessageSystem(config);
 			new UserModule(config).bindPath("/api/user").on(server);

bus/src/main/java/de/srsoftware/umbrella/messagebus/events/Event.java

@@ -18,22 +18,28 @@ public abstract class Event<Payload extends Mappable> {
 	}
 	private UmbrellaUser initiator;
 
-	private String realm;
+	private String module;
 	private Payload payload;
 	private EventType eventType;
-	public Event(UmbrellaUser initiator, String realm, Payload payload, EventType type){
+	public Event(UmbrellaUser initiator, String module, Payload payload, EventType type){
 		this.initiator = initiator;
-		this.realm     = realm;
+		this.module    = module;
 		this.payload   = payload;
 		this.eventType = type;
 	}
 
+	public abstract String describe();
+
 	public String eventType(){
 		return eventType.toString();
 	}
 
 	public abstract boolean isIntendedFor(UmbrellaUser user);
 
+	public UmbrellaUser initiator(){
+		return initiator;
+	}
+
 	public String json(){
 		Class<?> clazz = payload.getClass();
 		{ // get the highest superclass that is not object
@@ -48,6 +54,10 @@ public abstract class Event<Payload extends Mappable> {
 		return new JSONObject(map).toString();
 	}
 
+	public String module(){
+		return module;
+	}
+
 	public Payload payload(){
 		return payload;
 	}

bus/src/main/java/de/srsoftware/umbrella/messagebus/events/ProjectEvent.java

@@ -12,6 +12,11 @@ public class ProjectEvent extends Event<Project>{
 		super(initiator, PROJECT, project, type);
 	}
 
+	@Override
+	public String describe() {
+		return "[TODO: ProjectEvent.describe]";
+	}
+
 	@Override
 	public boolean isIntendedFor(UmbrellaUser user) {
 		for (var member : payload().members().values()){

bus/src/main/java/de/srsoftware/umbrella/messagebus/events/TaskEvent.java

@@ -12,6 +12,11 @@ public class TaskEvent extends Event<Task>{
 		super(initiator, TASK, task, type);
 	}
 
+	@Override
+	public String describe() {
+		return "[TODO: TaskEvent.describe()]";
+	}
+
 	@Override
 	public boolean isIntendedFor(UmbrellaUser user) {
 		for (var member : payload().members().values()){

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

@@ -75,5 +75,4 @@ CREATE TABLE IF NOT EXISTS {0} ( {1} VARCHAR(255) PRIMARY KEY, {2} VARCHAR(255)
 			throw new RuntimeException(e);
 		}
 	}
-
 }

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

@@ -8,10 +8,7 @@ public class Constants {
 
 	private Constants(){}
 
-
+	public static final String ACTION         = "action";
-
-
-
 	public static final String ADDRESS        = "address";
 	public static final String ALLOWED_STATES = "allowed_states";
 	public static final String ATTACHMENTS    = "attachments";

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

@@ -3,4 +3,7 @@ package de.srsoftware.umbrella.journal;
 
 public class Constants {
 	public static final String CONFIG_DATABASE = "umbrella.modules.journal.database";
+
+	public static final String ERROR_WRITE_EVENT = "Failed to write {0} event of {1} to journal!";
+	public static final String TABLE_JOURNAL = "journal";
 }

journal/src/main/java/de/srsoftware/umbrella/journal/JournalDb.java

@@ -1,4 +1,7 @@
 package de.srsoftware.umbrella.journal;
 
+import de.srsoftware.umbrella.messagebus.events.Event;
+
 public interface JournalDb {
+	void logEvent(Event event);
 }

journal/src/main/java/de/srsoftware/umbrella/journal/JournalModule.java

@@ -13,17 +13,18 @@ import static de.srsoftware.umbrella.journal.Constants.CONFIG_DATABASE;
 
 public class JournalModule extends BaseHandler implements EventListener {
 
-	private final SqliteDb journalDb;
+	private final JournalDb journalDb;
 
 	public JournalModule(Configuration config){
 		super();
-		var dbFile = config.get(CONFIG_DATABASE).orElseThrow(() -> missingFieldException(CONFIG_DATABASE))
+		var dbFile = config.get(CONFIG_DATABASE).orElseThrow(() -> missingFieldException(CONFIG_DATABASE));
 		journalDb = new SqliteDb(connect(dbFile));
 		ModuleRegistry.add(this);
 	}
 
 	@Override
 	public void onEvent(Event event) {
-
+		LOG.log(System.Logger.Level.DEBUG,"{0} @ {1} ({2})",event.eventType(),event.module(),event.initiator());
+		journalDb.logEvent(event);
 	}
 }

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

@@ -1,8 +1,19 @@
 package de.srsoftware.umbrella.journal;
 
+import de.srsoftware.tools.jdbc.Query;
 import de.srsoftware.umbrella.core.BaseDb;
+import de.srsoftware.umbrella.core.exceptions.UmbrellaException;
+import de.srsoftware.umbrella.messagebus.events.Event;
 
 import java.sql.Connection;
+import java.sql.SQLException;
+
+import static de.srsoftware.tools.jdbc.Query.insertInto;
+import static de.srsoftware.umbrella.core.Constants.*;
+import static de.srsoftware.umbrella.core.exceptions.UmbrellaException.databaseException;
+import static de.srsoftware.umbrella.journal.Constants.ERROR_WRITE_EVENT;
+import static de.srsoftware.umbrella.journal.Constants.TABLE_JOURNAL;
+import static java.text.MessageFormat.format;
 
 public class SqliteDb extends BaseDb implements JournalDb{
 	public SqliteDb(Connection connection) {
@@ -18,4 +29,33 @@ public class SqliteDb extends BaseDb implements JournalDb{
 
 		return setCurrentVersion(1);
 	}
+
+	private void createJournalTable() {
+		var sql = """
+				CREATE TABLE {0} (
+					{1} INT PRIMARY KEY,
+					{2} INT,
+					{3} VARCHAR(255) NOT NULL,
+					{4} VARCHAR(16) NUT NULL,
+					{5} TEXT
+				);
+				""";
+		sql = format(sql,TABLE_JOURNAL,ID,USER_ID,MODULE,ACTION,DESCRIPTION);
+		try {
+			db.prepareStatement(sql).execute();
+		} catch (SQLException e) {
+			throw databaseException(ERROR_FAILED_CREATE_TABLE,TABLE_JOURNAL);
+		}
+	}
+
+	@Override
+	public void logEvent(Event event) {
+		try {
+			insertInto(TABLE_JOURNAL,USER_ID,MODULE,ACTION,DESCRIPTION)
+					.values(event.initiator().id(), event.module(), event.eventType(), event.describe())
+					.execute(db).close();
+		} catch (SQLException e) {
+			throw databaseException(ERROR_WRITE_EVENT,event.eventType(),event.initiator().name());
+		}
+	}
 }