X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fdemoscenemusic%2Fdata%2FDataManager.java;h=373f80c2fb1b32a61c4d572f5195d798e5067cd2;hb=6044000b16b448b4f1f6df4dd9b101ceed2397ac;hp=8348b2f7afef1f338633253793d9bb85205cd0c0;hpb=e19732e4343d5a75a6539d6cf2fda897a2889f91;p=demoscenemusic.git

diff --git a/src/main/java/net/pterodactylus/demoscenemusic/data/DataManager.java b/src/main/java/net/pterodactylus/demoscenemusic/data/DataManager.java
index 8348b2f..373f80c 100644
--- a/src/main/java/net/pterodactylus/demoscenemusic/data/DataManager.java
+++ b/src/main/java/net/pterodactylus/demoscenemusic/data/DataManager.java
@@ -24,6 +24,7 @@ import java.util.EnumMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.Map.Entry;
 import java.util.UUID;
 import java.util.concurrent.Callable;
 
@@ -180,6 +181,50 @@ public class DataManager {
 		query.addValueField(new ValueField("NAME", new StringParameter(artist.getName())));
 		query.addWhereClause(new ValueFieldWhereClause(new ValueField("ID", new StringParameter(artist.getId()))));
 		database.update(query);
+		saveArtistProperties(artist);
+	}
+
+	/**
+	 * Saves the properties of the given artist.
+	 *
+	 * @param artist
+	 *            The artist whose properties to save
+	 * @throws DatabaseException
+	 *             if a database error occurs
+	 */
+	public void saveArtistProperties(Artist artist) throws DatabaseException {
+		saveProperties(artist.getProperties(), "ARTIST_PROPERTIES", "ARTIST", artist.getId());
+	}
+
+	/**
+	 * Saves the given properties to the given table for the given principal.
+	 *
+	 * @param properties
+	 *            The properties to save
+	 * @param table
+	 *            The table in which to save the properties
+	 * @param type
+	 *            The type of the principal (e. g. “ARTIST” or “TRACK”)
+	 * @param id
+	 *            The ID of the principial
+	 * @throws DatabaseException
+	 *             if a database error occurs
+	 */
+	public void saveProperties(Properties properties, String table, String type, String id) throws DatabaseException {
+		if (!properties.isDirty()) {
+			return;
+		}
+		Query query = new Query(Type.DELETE, table);
+		query.addWhereClause(new ValueFieldWhereClause(new ValueField(type, new StringParameter(id))));
+		database.update(query);
+		for (Entry<String, String> property : properties) {
+			Query insertQuery = new Query(Type.INSERT, table);
+			insertQuery.addValueField(new ValueField(type, new StringParameter(id)));
+			insertQuery.addValueField(new ValueField("PROPERTY", new StringParameter(property.getKey())));
+			insertQuery.addValueField(new ValueField("VALUE", new StringParameter(property.getValue())));
+			database.insert(insertQuery);
+		}
+		properties.resetDirty();
 	}
 
 	/**