implemented updating of event base data. next: update links, attachments, tags

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

de.srsoftware.cal.db/build.gradle.kts

@@ -4,7 +4,7 @@ dependencies {
     implementation(project(":de.srsoftware.cal.api"))
     implementation(project(":de.srsoftware.cal.base"))
 
-    implementation("de.srsoftware:tools.jdbc:1.1.1")
+    implementation("de.srsoftware:tools.jdbc:1.1.2")
     implementation("de.srsoftware:tools.optionals:1.0.0")
     implementation("de.srsoftware:tools.util:1.2.3")
 }

de.srsoftware.cal.db/src/main/java/de/srsoftware/cal/db/Database.java

@@ -51,4 +51,6 @@ public interface Database {
 	Result<Appointment> loadEvent(String location, LocalDateTime start);
 
 	Result<List<String>> findTags(String infix);
+
+	Result<Appointment> update(Appointment baseAppointment);
 }

de.srsoftware.cal.db/src/main/java/de/srsoftware/cal/db/MariaDB.java

@@ -289,4 +289,23 @@ public class MariaDB implements Database {
 	public List<Appointment> listByTags(Set<String> tags, Integer count, Integer offset) {
 		return List.of();
 	}
+
+	@Override
+	public Result<Appointment> update(Appointment event) {
+		var end = event.end().map(Timestamp::valueOf).orElse(null);
+		try {
+			Query
+			    .update(APPOINTMENTS)  //
+			    .set(TITLE, DESCRIPTION, START, END, LOCATION, COORDS)
+			    .where(AID, equal(event.id()))
+			    .prepare(connection)
+			    .apply(event.title(), event.description(), Timestamp.valueOf(event.start()), end, event.location(), event.coords().orElse(null));
+
+			// TODO: update links, attachments, tags
+
+			return Payload.of(event);
+		} catch (SQLException sqle) {
+			return Error.of("Failed to update database entry", sqle);
+		}
+	}
 }