fixed issue #6

src/main/java/kellerkinder/HomeFlix/controller/DBController.java

@@ -161,6 +161,7 @@ public class DBController {
 				String path = source.asObject().getString("path", "");
 				String mode = source.asObject().getString("mode", "");
 				mainWindowController.addSourceToTable(path, mode); // add source to source-table
+				
 				if (mode.equals("local")) {
 					for (File file : new File(path).listFiles()) {
 						if (file.isFile() && isVideoFile(file.getPath())) {
@@ -350,11 +351,11 @@ public class DBController {
 						int sn = 1;
 						for (File season : file.listFiles()) {
 							if (season.isDirectory()) {
-								int ep = 1;
+								int ep = getLastEpisode(cutOffEnd(file.getName()), Integer.toString(sn)) + 1;
 								for (File episode : season.listFiles()) {
 									if (!filmsdbStreamURL.contains(episode.getPath())) {		
 										ps.setString(1, episode.getPath().replace("'", "''"));
-										ps.setString(2, cutOffEnd(file.getName()));
+										ps.setString(2, cutOffEnd(file.getName())); // the title is the series root folder's name
 										ps.setString(3, Integer.toString(sn));
 										ps.setString(4, Integer.toString(ep));
 										ps.setInt(5, 0);
@@ -406,6 +407,34 @@ public class DBController {
 		}
 	}
 	
+	/**
+	 * gets the last episode of a season of a given series
+	 * @param seriesTitle the actual series
+	 * @param season      the actual season
+	 * @return the last episode number
+	 */
+	private int getLastEpisode(String seriesTitle, String season) {
+		int lastEpisode = 0;
+		try {
+			Statement stmt = connection.createStatement();
+			PreparedStatement ps = connection.prepareStatement("SELECT * FROM films WHERE title = ? AND season = ?");
+			ps.setString(1, seriesTitle);
+			ps.setString(2, season);
+			ResultSet rs = ps.executeQuery();
+
+			while (rs.next()) {
+				if (Integer.parseInt(rs.getString("episode")) > lastEpisode)
+					lastEpisode = Integer.parseInt(rs.getString("episode"));
+			}
+			stmt.close();
+			rs.close();
+		} catch (SQLException e) {
+			LOGGER.error("An error occured, while printing all entries", e);
+		}
+
+		return lastEpisode;
+	}
+	
 	/**
 	 * DEBUG
 	 * prints all entries from the database to the console