Updates, sonar settings

.classpath

@@ -18,18 +18,13 @@
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
-		<attributes>
-			<attribute name="maven.pomderived" value="true"/>
-		</attributes>
-	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
 		<attributes>
 			<attribute name="maven.pomderived" value="true"/>
 			<attribute name="org.eclipse.jst.component.dependency" value="/WEB-INF/lib"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="src" output="target/classes" path="target/generated-resources/gwt">
+	<classpathentry excluding="**" kind="src" output="target/classes" path="target/generated-resources/gwt">
 		<attributes>
 			<attribute name="ignore_optional_problems" value="true"/>
 			<attribute name="optional" value="true"/>
@@ -42,5 +37,10 @@
 			<attribute name="test" value="true"/>
 		</attributes>
 	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="output" path="target/classes"/>
 </classpath>

.project

@@ -31,12 +31,12 @@
 			</arguments>
 		</buildCommand>
 		<buildCommand>
-			<name>org.eclipse.m2e.core.maven2Builder</name>
+			<name>org.fusesource.ide.project.RiderProjectBuilder</name>
 			<arguments>
 			</arguments>
 		</buildCommand>
 		<buildCommand>
-			<name>org.fusesource.ide.project.RiderProjectBuilder</name>
+			<name>org.eclipse.m2e.core.maven2Builder</name>
 			<arguments>
 			</arguments>
 		</buildCommand>

.settings/com.vaadin.integration.eclipse.prefs

@@ -1,2 +1,2 @@
-com.vaadin.integration.eclipse.mavenLatestVersionsUpgrade=["8.4.5","8.5.1"]
+com.vaadin.integration.eclipse.mavenLatestVersionsUpgrade=["8.4.5","8.5.2"]
 eclipse.preferences.version=1

.settings/org.eclipse.core.resources.prefs

@@ -3,4 +3,5 @@ encoding//src/main/java=UTF-8
 encoding//src/main/resources=UTF-8
 encoding//src/test/java=UTF-8
 encoding//src/test/resources=UTF-8
+encoding//target/generated-resources/gwt=UTF-8
 encoding/<project>=UTF-8

.settings/org.eclipse.jdt.core.prefs

@@ -1,7 +1,10 @@
 eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
 org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
 org.eclipse.jdt.core.compiler.release=disabled
 org.eclipse.jdt.core.compiler.source=1.8

.settings/org.eclipse.wst.common.project.facet.core.xml

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <faceted-project>
   <fixed facet="wst.jsdt.web"/>
-  <installed facet="java" version="1.8"/>
   <installed facet="jpt.jpa" version="2.1"/>
   <installed facet="wst.jsdt.web" version="1.0"/>
   <installed facet="jst.web" version="3.1"/>
+  <installed facet="java" version="1.8"/>
 </faceted-project>

.settings/org.sonarlint.eclipse.core.prefs

@@ -0,0 +1,8 @@
+autoEnabled=true
+eclipse.preferences.version=1
+extraProperties=
+fileExclusions=
+idePrefixKey=
+projectKey=de.kreth.vaadin.clubhelper\:vaadin-clubhelper
+serverId=kreth-development.de
+sqPrefixKey=

pom.xml

@@ -10,12 +10,12 @@
 	<packaging>war</packaging>
 
 	<name>vaadin-clubhelper</name>
-	<description>Demo project for Spring Boot</description>
+	<description>Vaadin Administation Frontend for Clubhelper.</description>
 
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.0.3.RELEASE</version>
+		<version>2.0.6.RELEASE</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 
@@ -23,15 +23,18 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 		<java.version>1.8</java.version>
+		<maven.compiler.source>${java.version}</maven.compiler.source>
+		<maven.compiler.target>${java.version}</maven.compiler.target>
 		<vaadin.version>8.4.4</vaadin.version>
 		<google-api-version>1.23.0</google-api-version>
 		<google-api-sheets-version>v4-rev488-1.23.0</google-api-sheets-version>
 		<google-api-calendar-version>v3-rev271-1.23.0</google-api-calendar-version>
+
 		<sonar.login>7af449877bbf41d707e8ae7d322b1d6e9b15a89d</sonar.login>
 		<sonar.jacoco.reportPaths>target/surefire-reports</sonar.jacoco.reportPaths>
 		<sonar.java.coveragePlugin>jacoco</sonar.java.coveragePlugin>
 		<sonar.dynamicAnalysis>reuseReports</sonar.dynamicAnalysis>
-		<sonar.jacoco.reportPath>${project.basedir}/../target/jacoco.exec</sonar.jacoco.reportPath>
+		<sonar.jacoco.reportPath>${project.basedir}/target/jacoco.exec</sonar.jacoco.reportPath>
 
 	</properties>
 
@@ -105,14 +108,23 @@
 			<artifactId>google-oauth-client-jetty</artifactId>
 			<version>${google-api-version}</version>
 		</dependency>
+		<dependency>
+			<groupId>commons-io</groupId>
+			<artifactId>commons-io</artifactId>
+			<version>2.6</version>
+		</dependency>
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-api</artifactId>
 		</dependency>
 		<dependency>
-			<groupId>ch.qos.logback</groupId>
+			<groupId>org.slf4j</groupId>
-			<artifactId>logback-classic</artifactId>
+			<artifactId>slf4j-simple</artifactId>
 		</dependency>
+		<!-- <dependency> -->
+		<!-- <groupId>ch.qos.logback</groupId> -->
+		<!-- <artifactId>logback-classic</artifactId> -->
+		<!-- </dependency> -->
 
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
@@ -125,14 +137,19 @@
 			<scope>test</scope>
 		</dependency>
 		<dependency>
-			<groupId>com.h2database</groupId>
+			<groupId>org.junit.jupiter</groupId>
-			<artifactId>h2</artifactId>
+			<artifactId>junit-jupiter-engine</artifactId>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
-			<groupId>commons-io</groupId>
+			<groupId>org.junit.vintage</groupId>
-			<artifactId>commons-io</artifactId>
+			<artifactId>junit-vintage-engine</artifactId>
-			<version>2.6</version>
+			<scope>test</scope>
+		</dependency>
+		<dependency>
+			<groupId>com.h2database</groupId>
+			<artifactId>h2</artifactId>
+			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.hibernate</groupId>
@@ -145,8 +162,28 @@
 			<scope>test</scope>
 		</dependency>
 		<dependency>
-			<groupId>org.slf4j</groupId>
+			<groupId>javax.xml.bind</groupId>
-			<artifactId>slf4j-simple</artifactId>
+			<artifactId>jaxb-api</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>com.sun.xml.bind</groupId>
+			<artifactId>jaxb-core</artifactId>
+			<version>2.3.0</version>
+		</dependency>
+		<dependency>
+			<groupId>com.sun.xml.bind</groupId>
+			<artifactId>jaxb-impl</artifactId>
+			<version>2.3.0</version>
+		</dependency>
+		<dependency>
+			<groupId>javax.activation</groupId>
+			<artifactId>activation</artifactId>
+			<version>1.1.1</version>
+		</dependency>
+		<dependency>
+			<groupId>org.glassfish.jaxb</groupId>
+			<artifactId>jaxb-runtime</artifactId>
+			<version>2.4.0-b180830.0438</version>
 		</dependency>
 	</dependencies>
 
@@ -168,7 +205,18 @@
 				<groupId>org.springframework.boot</groupId>
 				<artifactId>spring-boot-maven-plugin</artifactId>
 			</plugin>
-
+			<!-- <plugin> -->
+			<!-- <groupId>org.apache.maven.plugins</groupId> -->
+			<!-- <artifactId>maven-compiler-plugin</artifactId> -->
+			<!-- <version>3.8.0</version> -->
+			<!-- <dependencies> -->
+			<!-- <dependency> -->
+			<!-- <groupId>org.ow2.asm</groupId> -->
+			<!-- <artifactId>asm</artifactId> -->
+			<!-- <version>6.2</version> -->
+			<!-- </dependency> -->
+			<!-- </dependencies> -->
+			<!-- </plugin> -->
 			<plugin>
 				<groupId>com.vaadin</groupId>
 				<artifactId>vaadin-maven-plugin</artifactId>
@@ -189,6 +237,24 @@
 				</configuration>
 			</plugin>
 
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-surefire-plugin</artifactId>
+				<configuration>
+					<argLine>
+						-javaagent:${sonar.jacoco.jar}=destfile=${sonar.jacoco.reportPath}
+					</argLine>
+					<!-- <test>**/*.java</test> -->
+				</configuration>
+
+				<dependencies>
+					<dependency>
+						<groupId>org.junit.platform</groupId>
+						<artifactId>junit-platform-surefire-provider</artifactId>
+						<version>1.3.1</version>
+					</dependency>
+				</dependencies>
+			</plugin>
 			<plugin>
 				<groupId>org.jacoco</groupId>
 				<artifactId>jacoco-maven-plugin</artifactId>
@@ -223,6 +289,11 @@
 			<id>vaadin-addons</id>
 			<url>http://maven.vaadin.com/vaadin-addons</url>
 		</repository>
+		<repository>
+			<id>jvnet-nexus-staging</id>
+			<url>http://maven.java.net/content/repositories/staging/</url>
+			<layout>default</layout>
+		</repository>
 	</repositories>
 
 </project>

src/main/java/de/kreth/clubhelperbackend/google/GoogleBaseAdapter.java

@@ -60,9 +60,10 @@ public abstract class GoogleBaseAdapter {
 	}
 
 	protected void checkRefreshToken(String serverName) throws IOException {
-
+		synchronized (SCOPES) {
-		if (credential == null) {
+			if (credential == null) {
-			credential = authorize(serverName);
+				credential = authorize(serverName);
+			}
 		}
 		
 		if ((credential.getExpiresInSeconds() != null
@@ -87,7 +88,7 @@ public abstract class GoogleBaseAdapter {
 	 * @return an authorized Credential object.
 	 * @throws IOException
 	 */
-	private synchronized Credential authorize(String serverName)
+	private Credential authorize(String serverName)
 			throws IOException {
 		if (credential != null && (credential.getExpiresInSeconds() != null
 				&& credential.getExpiresInSeconds() < 3600)) {

src/main/java/de/kreth/clubhelperbackend/google/calendar/CalendarAdapter.java

@@ -74,8 +74,8 @@ public class CalendarAdapter extends GoogleBaseAdapter {
 			throw new IllegalStateException(
 					"Calendar " + calendarSummary + " not found!");
 		}
-		Calendar cal = service.calendars().get(calendarId).execute();
+
-		return cal;
+		return service.calendars().get(calendarId).execute();
 	}
 
 	public List<Event> getAllEvents(String serverName)
@@ -110,8 +110,8 @@ public class CalendarAdapter extends GoogleBaseAdapter {
 		oldestCal.add(java.util.Calendar.MONTH, -1);
 		oldestCal.add(java.util.Calendar.YEAR, -1);
 		oldestCal.add(java.util.Calendar.HOUR_OF_DAY, -1);
-		final long oldest = oldestCal.getTimeInMillis();
+
-		return oldest;
+		return oldestCal.getTimeInMillis();
 	}
 
 	List<CalendarListEntry> getCalendarList(String serverName)
@@ -154,18 +154,17 @@ public class CalendarAdapter extends GoogleBaseAdapter {
 		public void run() {
 
 			try {
-				log.debug("Fetching events of calendar \"" + summary + "\"");
+				log.debug("Fetching events of calendar \"{}\"", summary);
 				Calendar calendar = getCalendarBySummaryName(items, summary);
 				DateTime timeMin = new DateTime(oldest);
-				List<Event> items = service.events().list(calendar.getId())
+				List<Event> eventItems = service.events().list(calendar.getId())
 						.setTimeMin(timeMin).execute().getItems();
-				items.forEach(item -> item.set("colorClass", colorClass));
+				eventItems.forEach(item -> item.set("colorClass", colorClass));
-				events.addAll(items);
+				events.addAll(eventItems);
-				log.debug("Added " + items.size() + " Events for \"" + summary
+				log.debug("Added {} Events for \"{}\"", eventItems.size(), summary);
-						+ "\"");
 
 			} catch (IOException e) {
-				log.error("Unable to fetch Events from " + summary, e);
+				log.error("Unable to fetch Events from {}", summary, e);
 			}
 		}
 	}

src/main/java/de/kreth/clubhelperbackend/google/calendar/CalendarResource.java

@@ -60,7 +60,7 @@ public class CalendarResource {
 		return new ArrayList<>(configs.values());
 	}
 
-	public class CalendarKonfig {
+	public static class CalendarKonfig {
 		private String name;
 		private String color;
 

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/business/CalendarTaskRefresher.java

@@ -17,7 +17,7 @@ import de.kreth.vaadin.clubhelper.vaadinclubhelper.data.ClubEvent;
 @Component
 public class CalendarTaskRefresher {
 
-	private static final long RATE = 1000 * 60 * 10;
+	private static final long RATE = 1000L * 60 * 10;
 	private final Logger log = LoggerFactory.getLogger(getClass());
 
 	@Autowired

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/business/EventBusiness.java

@@ -4,6 +4,7 @@ import java.io.BufferedWriter;
 import java.io.File;
 import java.io.FileWriter;
 import java.io.IOException;
+import java.nio.file.Files;
 import java.security.GeneralSecurityException;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -41,7 +42,7 @@ public class EventBusiness {
 		
 		if (forceRefresh == false) {
 			List<ClubEvent> list = dao.listAll();
-			log.trace("Returning events from database: {}");
+			log.trace("Returning events from database: {}", list);
 			return list;
 		}
 
@@ -54,12 +55,11 @@ public class EventBusiness {
 		List<ClubEvent> list = new ArrayList<>();
 		
 		try {
-			if (forceRefresh) {
-				File f = new File("google_events.json");
-				f.delete();
-				out = new BufferedWriter(new FileWriter(f));
 
-			}
+			File f = new File("google_events.json");
+			Files.delete(f.toPath());
+			out = new BufferedWriter(new FileWriter(f));
+			
 			String remoteHost = "localhost";
 			CalendarAdapter adapter = new CalendarAdapter();
 			List<com.google.api.services.calendar.model.Event> events = adapter
@@ -71,24 +71,25 @@ public class EventBusiness {
 					out.newLine();
 				}
 
-				if ("cancelled".equals(ev.getStatus()) == false) {
+				if ("cancelled".equals(ev.getStatus())) {
-					list.add(ClubEvent.parse(ev));
-				} else {
 					log.debug("Cancelled: {}", ev.getSummary());
+				} else {
+					list.add(ClubEvent.parse(ev));
 				}
 			}
 		} catch (GeneralSecurityException | IOException
 				| InterruptedException e) {
 			log.error("Error loading events from google.", e);
-		}
+		} finally {
-
+			if (out != null) {
-		if (out != null) {
+				try {
-			try {
+					out.close();
-				out.close();
+				} catch (IOException e) {
-			} catch (IOException e) {
+					log.error("Error writing File", e);
-				log.error("Error writing File", e);
+				}
 			}
 		}
+
 		return Collections.unmodifiableList(list);
 	}
 

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/data/Adress.java

@@ -40,9 +40,6 @@ public class Adress implements Serializable {
 	@ManyToOne
 	private Person person;
 
-	public Adress() {
-	}
-
 	public int getId() {
 		return this.id;
 	}

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/data/Attendance.java

@@ -36,9 +36,6 @@ public class Attendance implements Serializable {
 	@ManyToOne
 	private Person person;
 
-	public Attendance() {
-	}
-
 	public int getId() {
 		return this.id;
 	}

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/ui/components/CalendarComponent.java

@@ -24,7 +24,7 @@ public class CalendarComponent extends CustomComponent {
 
 	private static final long serialVersionUID = -9152173211931554059L;
 
-	private DateTimeFormatter dfMonth = DateTimeFormatter.ofPattern("MMMM uu");
+	private transient DateTimeFormatter dfMonth = DateTimeFormatter.ofPattern("MMMM uu");
 
 	private Label monthName;
 
@@ -41,8 +41,6 @@ public class CalendarComponent extends CustomComponent {
 				.withMonth(Month.from(LocalDateTime.now()));
 		calendar.setCaption("Events");
 		calendar.setSizeFull();
-		// calendar.setHandler(this::onNextMonth);
-		// calendar.setHandler(this::onPrevMonth);
 
 		updateMonthText(calendar.getStartDate());
 
@@ -76,7 +74,7 @@ public class CalendarComponent extends CustomComponent {
 		calendar.markAsDirty();
 	}
 
-	class ClubEventProvider extends BasicItemProvider<ClubEvent> {
+	static class ClubEventProvider extends BasicItemProvider<ClubEvent> {
 
 		private static final long serialVersionUID = -5415397258827236704L;
 

src/main/resources/simplelogger.properties

@@ -1,2 +1,3 @@
-org.slf4j.simpleLogger.defaultLogLevel = trace
+org.slf4j.simpleLogger.defaultLogLevel = warn
-log4j.logger.org.hibernate.type=trace
+log4j.logger.org.hibernate.type=info
+log4j.logger.org.jboss.logging=warn

src/test/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/dao/ClubEventDaoTest.java

@@ -7,8 +7,8 @@ import java.time.ZonedDateTime;
 import java.util.List;
 
 import org.hibernate.query.Query;
-import org.junit.Ignore;
 import org.junit.Test;
+import org.junit.Ignore;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;

src/test/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/dao/ClubEventDataTest.java

@@ -42,6 +42,27 @@ public class ClubEventDataTest extends AbstractDatabaseTest {
 		return p;
 	}
 
+	public List<Person> insertPersons(int count) {
+	
+		List<Person> inserted = new ArrayList<>();
+
+		Transaction tx = session.beginTransaction();
+		for (int i=0; i<count; i++) {
+
+			Person p = new Person();
+			p.setPrename("prename_" + i);
+			p.setSurname("surname_" + i);
+			p.setBirth(new Date());
+			session.save(p);
+			inserted.add(p);
+		}
+		tx.commit();
+		for (Person p: inserted) {
+			assertTrue("not saved: " + p , p.getId()>0);
+		}
+		return inserted;
+	}
+	
 	@Test
 	public void testInsertEvent() {
 		ClubEvent ev = creteEvent();
@@ -155,6 +176,41 @@ public class ClubEventDataTest extends AbstractDatabaseTest {
 		assertEquals(2, entries.size());
 	}
 	
+	@Test
+	public void testChangeEventParticipantsRapidly() {
+
+		ClubEvent ev = creteEvent();
+		ev.setPersons(new HashSet<>());
+		Transaction tx = session.beginTransaction();
+		session.save(ev);
+		tx.commit();
+		
+		ev = session.byId(ClubEvent.class).load(ev.getId());
+		List<Person> persons = insertPersons(6);
+		for (Person p: persons) {
+			ev.getPersons().add(p);
+			tx = session.beginTransaction();
+			session.merge(ev);
+			tx.commit();
+		}
+		ev.getPersons().remove(persons.get(2));
+		tx = session.beginTransaction();
+		session.merge(ev);
+		tx.commit();
+		ev.getPersons().remove(persons.get(4));
+		tx = session.beginTransaction();
+		session.merge(ev);
+		tx.commit();
+
+		ev.getPersons().add(persons.get(2));
+		ev.getPersons().add(persons.get(4));
+		tx = session.beginTransaction();
+		session.merge(ev);
+		tx.commit();
+		List<ClubeventHasPerson> result = loadEventPersons();
+		assertEquals(6, result.size());
+	}
+	
 	private ClubEvent creteEvent() {
 		ClubEvent ev = ClubEventBuilder.builder().withId("id").withAllDay(true)
 				.withCaption("caption").withDescription("description")