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);
+		}
+	}
 }

de.srsoftware.cal.web/src/main/java/de/srsoftware/cal/ApiHandler.java

@@ -62,24 +62,31 @@ public class ApiHandler extends PathHandler {
 		var start = json.has(START) ? LocalDateTime.parse(json.getString(START)) : null;
 		if (allSet(location, start)) {
 			var existingAppointment = db.loadEvent(location, start).optional();
-			if (existingAppointment.isPresent()) return update(ex, existingAppointment.get(), json);
+			if (existingAppointment.isPresent()) {
+				var event = existingAppointment.get();
+				json.put(AID,event.id());
+				return update(ex,toEvent(json));
+			}
 		}
 		return createEvent(ex, json);
 	}
+
+
 	// spotless:on
 
-		private boolean createEvent(HttpExchange ex, JSONObject json) throws IOException {
+		private Result<BaseAppointment> toEvent(JSONObject json) {
 			var description = json.has(DESCRIPTION) ? nullIfEmpty(json.getString(DESCRIPTION)) : null;
 			var title	= json.has(TITLE) ? nullIfEmpty(json.getString(TITLE)) : null;
-			if (title == null) return sendContent(ex, Error.of("title missing"));
+			if (title == null) return Error.of("title missing");
 			var start = json.has(START) ? nullIfEmpty(json.getString(START)) : null;
-			if (start == null) return sendContent(ex, Error.of("start missing"));
+			if (start == null) return Error.of("start missing");
 			var startDate = nullable(start).map(dt -> LocalDateTime.parse(dt, ISO_DATE_TIME)).orElse(null);
 			var end       = json.has(END) ? nullIfEmpty(json.getString(END)) : null;
 			var endDate   = nullable(end).map(dt -> LocalDateTime.parse(dt, ISO_DATE_TIME)).orElse(null);
 			var location  = json.has(LOCATION) ? json.getString(LOCATION) : null;
-			if (location == null) return sendContent(ex, Error.of("location missing"));
-			var event = new BaseAppointment(0, title, description, startDate, endDate, location);
+			if (location == null) return Error.of("location missing");
+			var aid   = json.has(AID) ? json.getLong(AID) : 0;
+			var event = new BaseAppointment(aid, title, description, startDate, endDate, location);
 			if (json.has(ATTACHMENTS)) {
 				json.getJSONArray(ATTACHMENTS).forEach(att -> {
 					Payload  //
@@ -96,8 +103,15 @@ public class ApiHandler extends PathHandler {
 				});
 			}
 			if (json.has(TAGS)) json.getJSONArray(TAGS).forEach(o -> event.tags(o.toString()));
-			var res = db.add(event).map(ApiHandler::toJson);
-			return sendContent(ex, res);
+			return Payload.of(event);
+		}
+
+		private boolean createEvent(HttpExchange ex, JSONObject json) throws IOException {
+			var eventRes = toEvent(json);
+			if (eventRes.optional().isPresent()) {
+				return sendContent(ex, db.add(eventRes.optional().get()).map(ApiHandler::toJson));
+			}
+			return sendContent(ex, eventRes);
 		}
 
 		protected static Result<Link> toLink(JSONObject json) {
@@ -110,8 +124,9 @@ public class ApiHandler extends PathHandler {
 			}
 		}
 
-		private boolean update(HttpExchange ex, Appointment event, JSONObject json) throws IOException {
-			return sendContent(ex, Error.of("update not implemented"));
+		private boolean update(HttpExchange ex, Result<BaseAppointment> event) throws IOException {
+			if (event.optional().isPresent()) return sendContent(ex, db.update(event.optional().get()).map(ApiHandler::toJson));
+			return sendContent(ex, event);
 		}
 
 		private boolean listTags(HttpExchange ex, Map<String, String> params) throws IOException {