serialized events

build.gradle

@@ -42,7 +42,7 @@ dependencies {
   implementation 'org.webjars:jquery-ui:1.13.2'
   implementation 'org.webjars:fullcalendar:5.11.3'
   
-  implementation 'com.google.code.gson:gson:2.9.0';
+  implementation 'com.google.code.gson:gson:2.10.1';
 	
   implementation 'org.webjars.bowergithub.datatables:datatables:1.10.21'
   

src/main/java/de/jottyfan/timetrack/modules/calendar/CalendarService.java

@@ -1,7 +1,14 @@
 package de.jottyfan.timetrack.modules.calendar;
 
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
 /**
  * 
  * @author jotty
@@ -9,23 +16,19 @@ import org.springframework.stereotype.Service;
  */
 @Service
 public class CalendarService {
+	
+	@Autowired
+	private DummyRepository dummyRepository;
 
 	// TODO: implement a davical database reader as a repository
 	// TODO: implement a caldav client as repository
 	// TODO: implement a radicale file reader as repository
-	// TODO: create resource management database table for the calendar
+	// TODO: create resource management database table for the calendar credentials
-	
+
 	public String getJsonEvents() {
-		StringBuilder buf = new StringBuilder("[");
+		Gson gson = new GsonBuilder().registerTypeAdapter(LocalDate.class, new LocalDateAdapter())
-		
+				.registerTypeAdapter(LocalDateTime.class, new LocalDateTimeAdapter()).create();
-		// TODO: use List<EventBean> instead
+		return gson.toJson(dummyRepository.getExamples());
-		
-		buf.append(
-				"{ id: 'example3', title: 'all day event', start: '2023-05-08', allDay: true, backgroundColor: 'darkcyan'},");
-		buf.append(" { id: 'i1', title: 'overlapping', start: '2023-05-08T10:00', end: '2023-05-09T10:00'},");
-		buf.append(" { id: 'i2', title: 'developing', start: '2023-05-09T08:00', end: '2023-05-09T10:15'}");
-		buf.append("]");
-		return buf.toString();
 	}
 
 }

src/main/java/de/jottyfan/timetrack/modules/calendar/DummyRepository.java

@@ -0,0 +1,42 @@
+package de.jottyfan.timetrack.modules.calendar;
+
+import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.springframework.stereotype.Repository;
+
+/**
+ * 
+ * @author jotty
+ *
+ */
+@Repository
+public class DummyRepository {
+
+	/**
+	 * get example dates
+	 * 
+	 * @return the example dates
+	 */
+	public List<EventBean> getExamples() {
+		List<EventBean> list = new ArrayList<>();
+
+		EventBean event1 = EventBean.ofAllDayEvent("e1", "all day event", LocalDate.of(2023, 5, 8));
+		event1.setBackgroundColor("darkcyan");
+
+		list.add(event1);
+
+		EventBean event2 = EventBean.ofEvent("e2", "overlapping", LocalDate.of(2023, 5, 8).atTime(10, 0),
+				LocalDate.of(2023, 5, 9).atTime(10, 0));
+
+		list.add(event2);
+
+		EventBean event3 = EventBean.ofEvent("e3", "developing", LocalDate.of(2023, 5, 10).atTime(8, 0),
+				LocalDate.of(2023, 5, 10).atTime(10, 0));
+
+		list.add(event3);
+
+		return list;
+	}
+}

src/main/java/de/jottyfan/timetrack/modules/calendar/EventBean.java

@@ -1,6 +1,7 @@
 package de.jottyfan.timetrack.modules.calendar;
 
 import java.io.Serializable;
+import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.util.ArrayList;
 import java.util.List;
@@ -42,24 +43,42 @@ public class EventBean implements Serializable {
 		classNames = new ArrayList<>();
 	}
 
-	@Override
+	/**
-	public String toString() {
+	 * create new all day event
-		StringBuilder buf = new StringBuilder("{");
+	 * 
-		buf.append("id:'").append(id).append("',");
+	 * @param id    the ID of the event
-		buf.append("groupId:'").append(groupId).append("',");
+	 * @param title the title of the event
-		buf.append("allDay:'").append(allDay).append("',");
+	 * @param start the day of the event
-		// TODO: extend; also, only on demand (not null), or better use Gson for the json conversion
+	 * @return the event
-//				.append(", start=").append(start).append(", end=").append(end).append(", startStr=").append(startStr)
+	 */
-//				.append(", endStr=").append(endStr).append(", title=").append(title).append(", url=").append(url)
+	public static final EventBean ofAllDayEvent(String id, String title, LocalDate start) {
-//				.append(", classNames=").append(classNames).append(", editable=").append(editable).append(", startEditable=")
+		EventBean bean = new EventBean();
-//				.append(startEditable).append(", durationEditable=").append(durationEditable).append(", resourceEditable=")
+		bean.setId(id);
-//				.append(resourceEditable).append(", display=").append(display).append(", overlap=").append(overlap)
+		bean.setTitle(title);
-//				.append(", constraint=").append(constraint).append(", backgroundColor=").append(backgroundColor)
+		bean.setStart(start == null ? null : start.atStartOfDay());
-//				.append(", boderColor=").append(boderColor).append(", textColor=").append(textColor).append(", extendedProps=")
+		bean.setAllDay(true);
-//				.append(extendedProps).append(", source=").append(source).append("]");
+		return bean;
-		return buf.toString();
 	}
-	
+
+	/**
+	 * create new event
+	 * 
+	 * @param id    the ID of the event
+	 * @param title the title of the event
+	 * @param start the datetime of the start
+	 * @param end the datetime of the end
+	 * @return the event
+	 */
+	public static final EventBean ofEvent(String id, String title, LocalDateTime start, LocalDateTime end) {
+		EventBean bean = new EventBean();
+		bean.setId(id);
+		bean.setTitle(title);
+		bean.setStart(start);
+		bean.setEnd(end);
+		bean.setAllDay(false);
+		return bean;
+	}
+
 	/**
 	 * @return the id
 	 */

src/main/java/de/jottyfan/timetrack/modules/calendar/LocalDateAdapter.java

@@ -0,0 +1,22 @@
+package de.jottyfan.timetrack.modules.calendar;
+
+import java.lang.reflect.Type;
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonPrimitive;
+import com.google.gson.JsonSerializationContext;
+import com.google.gson.JsonSerializer;
+
+/**
+ * 
+ * @author jotty
+ *
+ */
+public class LocalDateAdapter implements JsonSerializer<LocalDate> {
+
+	public JsonElement serialize(LocalDate date, Type typeOfSrc, JsonSerializationContext context) {
+		return new JsonPrimitive(date.format(DateTimeFormatter.ISO_LOCAL_DATE));
+	}
+}

src/main/java/de/jottyfan/timetrack/modules/calendar/LocalDateTimeAdapter.java

@@ -0,0 +1,22 @@
+package de.jottyfan.timetrack.modules.calendar;
+
+import java.lang.reflect.Type;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonPrimitive;
+import com.google.gson.JsonSerializationContext;
+import com.google.gson.JsonSerializer;
+
+/**
+ * 
+ * @author jotty
+ *
+ */
+public class LocalDateTimeAdapter implements JsonSerializer<LocalDateTime> {
+
+	public JsonElement serialize(LocalDateTime date, Type typeOfSrc, JsonSerializationContext context) {
+		return new JsonPrimitive(date.format(DateTimeFormatter.ISO_LOCAL_DATE_TIME));
+	}
+}

src/main/resources/application.properties

@@ -10,7 +10,7 @@ server.port = 8083
 server.servlet.context-path=/timetrack
 
 # keycloak
-keycloak.auth-server-url = http://localhost:8080/
+keycloak.auth-server-url = https://www.jottyfan.de/auth
 keycloak.realm = jottyfan
 keycloak.resource = timetrack
 keycloak.public-client = true