Fixed list update issues with friend and ignore list, /findfriend now destroys existing wp's, fixed string bug on updating wps

src/services/CharacterService.java

@@ -461,5 +461,34 @@ public class CharacterService implements INetworkDispatch {
 		}
 		return characters;
 	}
+	
+	/**
+	 * Checks the database for if the name of the player exists. The name is
+	 * formated automatically in the method for checking the database, so no conversion is required.
+	 * @param name Name to check for in the database
+	 * @return Returns True if the player exists
+	 */
+	public boolean playerExists(String name) {
+		if (!name.equals("")) {
+			if (name.contains(" ")) {
+				name = name.split(" ")[0];
+			}
+			name = name.replace("'", "''");
+			name = name.toLowerCase();
+			try {
+				PreparedStatement ps = databaseConnection.preparedStatement("SELECT id FROM characters WHERE LOWER(\"firstName\")=?");
+				ps.setString(1, name);
+				ResultSet resultSet = ps.executeQuery();
+				
+				boolean isDuplicate = resultSet.next();
+				resultSet.getStatement().close();
+				if (isDuplicate) { return true; }
+				else { return false; }
+			} 
+			
+			catch (SQLException e) { e.printStackTrace(); }
+		}
+		return false;
+	}
 
 }