tokens are now cleared on startup

chatto/src/main/java/org/ros/chatto/config/DBInitializerConfig.java

@@ -19,11 +19,15 @@ public class DBInitializerConfig {
 
     private final String resetSessionsQuery;
 
+    private final String clearTokensQuery;
+
     public DBInitializerConfig(@Value("${chatto.datasource.database-name}") String dbName,
-            @Value("${num-tables}") String numTablesQuery, @Value("${reset-sessions}") String resetSessionsQuery) {
+            @Value("${num-tables}") String numTablesQuery, @Value("${reset-sessions}") String resetSessionsQuery,
+            @Value("${clear-tokens}") String clearTokensQuery) {
         this.dbName = dbName;
         this.numTablesQuery = numTablesQuery;
         this.resetSessionsQuery = resetSessionsQuery;
+        this.clearTokensQuery = clearTokensQuery;
     }
 
 }

chatto/src/main/java/org/ros/chatto/service/DBInitializerService.java

@@ -1,7 +1,6 @@
 package org.ros.chatto.service;
 
 import java.io.IOException;
-import java.nio.charset.StandardCharsets;
 import java.sql.Connection;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
@@ -15,9 +14,6 @@ import org.hibernate.Session;
 import org.ros.chatto.config.DBInitializerConfig;
 import org.springframework.boot.context.event.ApplicationReadyEvent;
 import org.springframework.context.event.EventListener;
-import org.springframework.core.io.ClassPathResource;
-import org.springframework.core.io.support.EncodedResource;
-import org.springframework.jdbc.datasource.init.ScriptUtils;
 import org.springframework.stereotype.Service;
 
 import lombok.RequiredArgsConstructor;
@@ -33,16 +29,6 @@ public class DBInitializerService {
 	@PersistenceContext
 	private EntityManager entityManager;
 
-	
-	public int getNumTables(final Connection connection) throws SQLException {
-		final PreparedStatement preparedStatement = connection.prepareStatement(dbInitializerConfig.getNumTablesQuery());
-		preparedStatement.setString(1, dbInitializerConfig.getDbName());
-		final ResultSet resultSet = preparedStatement.executeQuery();
-		resultSet.next();
-		final int numTables = resultSet.getInt("num_tables");
-		return numTables;
-	}
-
 	@EventListener(ApplicationReadyEvent.class)
 	@Transactional
 	public void doSomethingAfterStartup() throws SQLException, IOException {
@@ -50,16 +36,10 @@ public class DBInitializerService {
 
 		final Session session = entityManager.unwrap(Session.class);
 
-		// session.doWork(connection -> {
-		// 	if (getNumTables(connection) == 0) {
-		// 		log.info("Database is empty. Populating tables and roles");
-		// 		try {
-		// 			populateDB(connection);
-		// 		} catch (final IOException e) {
-		// 			log.error("IO error", e);
-		// 		}
-		// 	}
-		// });
+		session.doWork(connection -> {
+			log.info("Clearing tokens");
+			clearAllTokens(connection);
+		});
 
 		session.doWork(connection -> {
 			log.info("Resetting all user sessions");
@@ -67,16 +47,15 @@ public class DBInitializerService {
 		});
 	}
 
-	private void populateDB(final Connection connection) throws SQLException, IOException {
-		ScriptUtils.executeSqlScript(connection,
-				new EncodedResource(new ClassPathResource("scheme.sql"), StandardCharsets.UTF_8));
-		ScriptUtils.executeSqlScript(connection,
-				new EncodedResource(new ClassPathResource("datae.sql"), StandardCharsets.UTF_8));
-
+	private void resetAllUserSessions(final Connection connection) throws SQLException {
+		final PreparedStatement preparedStatement = connection
+				.prepareStatement(dbInitializerConfig.getResetSessionsQuery());
+		preparedStatement.executeUpdate();
 	}
 
-	private void resetAllUserSessions(final Connection connection) throws SQLException {
-		final PreparedStatement preparedStatement = connection.prepareStatement(dbInitializerConfig.getResetSessionsQuery());
+	private void clearAllTokens(final Connection connection) throws SQLException {
+		final PreparedStatement preparedStatement = connection
+				.prepareStatement(dbInitializerConfig.getClearTokensQuery());
 		preparedStatement.executeUpdate();
 	}
 

chatto/src/main/resources/queries.properties

@@ -1,3 +1,4 @@
 num-tables = SELECT COUNT(*) as num_tables FROM information_schema.tables  WHERE table_schema = ? and TABLE_TYPE='BASE TABLE'
 reset-sessions = update user_sessions set online=0, num_sessions=0
+clear-tokens = truncate table tokens
 #tables-created =