src/main/java/kellerkinder/HomeFlix/application/MainWindowController.java

@@ -213,6 +213,8 @@ public class MainWindowController {
 		initUI();
 		initActions();
 		dbController.init();
+		
+		checkAllPosters(); // TODO testing
 	}
 	
 	// Initialize general UI elements
@@ -801,6 +803,22 @@ public class MainWindowController {
 		 String mimeType = URLConnection.guessContentTypeFromName(film.getStreamUrl());
 		 return mimeType != null && (mimeType.contains("mp4") || mimeType.contains("vp6"));
 	}
+	
+	private void posterModeStartup() {
+		checkAllPosters();
+	}
+	
+	/**
+	 * check if all posters are cached, if not cache the missing ones
+	 */
+	private void checkAllPosters() {
+		// get all not cached entries, none of them should have a cached poster
+		for (FilmTabelDataType entry : dbController.getAllNotCachedEntries()) {
+			System.out.println(entry.getStreamUrl() + " is NOT cached!");
+			// TODO get all needed posters eg cache all not cached entries
+			// TODO for entries not available show homeflix logo
+		}
+	}
 
 
 	// getter and setter

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

@@ -465,7 +465,7 @@ public class DBController {
 	public void setCached(String streamUrl) {
 		try {
 			Statement stmt = connection.createStatement();
-			stmt.executeUpdate("UPDATE films SET cached=1 WHERE streamUrl=\"" + streamUrl + "\";");
+			stmt.executeUpdate("UPDATE films SET cached = 1 WHERE streamUrl = \"" + streamUrl + "\";");
 			connection.commit();
 			stmt.close();
 		} catch (SQLException e) {
@@ -623,6 +623,29 @@ public class DBController {
 		}
 	}
 	
+	/**
+	 * get all NOT cached entries
+	 * @return a {@link ArrayList} of all NOT cached entries
+	 */
+	public ArrayList<FilmTabelDataType> getAllNotCachedEntries() {
+		ArrayList<FilmTabelDataType> notCachedEntries = new ArrayList<>();
+		
+		try {
+			Statement stmt = connection.createStatement();
+			ResultSet rs = stmt.executeQuery("SELECT * FROM films WHERE cached = 0");
+			while (rs.next()) {
+				notCachedEntries.add(new FilmTabelDataType(rs.getString("streamUrl"),
+						rs.getString("title"), rs.getString("season"), rs.getString("episode"), rs.getBoolean("favorite"),
+						rs.getBoolean("cached"), new ImageView(favorite_border_black)));
+			}
+			stmt.close();
+			rs.close();
+		} catch (SQLException e) {
+			LOGGER.error("An error occured, while getting all NOT cached entries", e);
+		}
+		return notCachedEntries;
+	}
+	
 	/**
 	 * return the currentTime in ms saved in the database
 	 * @param streamUrl URL of the film