ge plugin: add OSB actively traded price

runelite-client/src/main/java/net/runelite/client/plugins/grandexchange/GrandExchangeConfig.java

@@ -56,4 +56,15 @@ public interface GrandExchangeConfig extends Config
 	{
 		return true;
 	}
+
+	@ConfigItem(
+		position = 3,
+		keyName = "enableOsbPrices",
+		name = "Enable OSB actively traded prices",
+		description = "Shows the OSBuddy actively traded price at the GE"
+	)
+	default boolean enableOsbPrices()
+	{
+		return true;
+	}
 }

runelite-client/src/main/java/net/runelite/client/plugins/grandexchange/GrandExchangePlugin.java

@@ -31,6 +31,7 @@ import com.google.common.eventbus.Subscribe;
 import com.google.inject.Provides;
 import java.awt.image.BufferedImage;
 import java.io.IOException;
+import java.util.concurrent.ScheduledExecutorService;
 import javax.imageio.ImageIO;
 import javax.inject.Inject;
 import javax.swing.SwingUtilities;
@@ -48,8 +49,11 @@ import net.runelite.api.events.ChatMessage;
 import net.runelite.api.events.ConfigChanged;
 import net.runelite.api.events.FocusChanged;
 import net.runelite.api.events.GameStateChanged;
+import net.runelite.api.events.GameTick;
 import net.runelite.api.events.GrandExchangeOfferChanged;
 import net.runelite.api.events.MenuEntryAdded;
+import net.runelite.api.events.WidgetLoaded;
+import net.runelite.api.widgets.Widget;
 import net.runelite.api.widgets.WidgetID;
 import net.runelite.api.widgets.WidgetInfo;
 import net.runelite.client.Notifier;
@@ -61,7 +65,10 @@ import net.runelite.client.plugins.Plugin;
 import net.runelite.client.plugins.PluginDescriptor;
 import net.runelite.client.ui.NavigationButton;
 import net.runelite.client.ui.PluginToolbar;
+import net.runelite.client.util.StackFormatter;
 import net.runelite.client.util.Text;
+import net.runelite.http.api.osbuddy.GrandExchangeClient;
+import net.runelite.http.api.osbuddy.GrandExchangeResult;
 
 @PluginDescriptor(
 	name = "Grand Exchange"
@@ -69,6 +76,10 @@ import net.runelite.client.util.Text;
 @Slf4j
 public class GrandExchangePlugin extends Plugin
 {
+	private static final int OFFER_CONTAINER_ITEM = 21;
+	private static final int OFFER_DEFAULT_ITEM_ID = 6512;
+	private static final GrandExchangeClient CLIENT = new GrandExchangeClient();
+
 	@Getter(AccessLevel.PACKAGE)
 	private NavigationButton button;
 
@@ -103,6 +114,14 @@ public class GrandExchangePlugin extends Plugin
 	@Inject
 	private Notifier notifier;
 
+	@Inject
+	private ScheduledExecutorService executorService;
+
+	private Widget grandExchangeText;
+	private Widget grandExchangeItem;
+
+	private int lastItem = -1;
+
 	@Provides
 	GrandExchangeConfig provideConfig(ConfigManager configManager)
 	{
@@ -239,4 +258,72 @@ public class GrandExchangePlugin extends Plugin
 			setHotKeyPressed(false);
 		}
 	}
+
+	@Subscribe
+	public void onWidgetLoaded(WidgetLoaded event)
+	{
+		switch (event.getGroupId())
+		{
+			// Grand exchange was opened.
+			case WidgetID.GRAND_EXCHANGE_GROUP_ID:
+				if (!config.enableOsbPrices())
+				{
+					return;
+				}
+
+				Widget grandExchangeOffer = client.getWidget(WidgetInfo.GRAND_EXCHANGE_OFFER_CONTAINER);
+				grandExchangeText = client.getWidget(WidgetInfo.GRAND_EXCHANGE_OFFER_TEXT);
+				grandExchangeItem = grandExchangeOffer.getDynamicChildren()[OFFER_CONTAINER_ITEM];
+				lastItem = -1;
+				break;
+
+			// Grand exchange was closed (if it was open before).
+			case WidgetID.INVENTORY_GROUP_ID:
+				grandExchangeText = null;
+				grandExchangeItem = null;
+				lastItem = -1;
+				break;
+		}
+	}
+
+	@Subscribe
+	public void onGameTick(GameTick event)
+	{
+		if (grandExchangeText == null || grandExchangeItem == null)
+		{
+			return;
+		}
+
+		int itemId = grandExchangeItem.getItemId();
+		if (itemId == OFFER_DEFAULT_ITEM_ID
+			|| itemId == -1
+			|| lastItem == itemId)
+		{
+			return;
+		}
+
+		lastItem = itemId;
+		final Widget geText = grandExchangeText;
+
+		executorService.submit(() ->
+		{
+			try
+			{
+				final GrandExchangeResult result = CLIENT.lookupItem(itemId);
+
+				if (result.getItem_id() != lastItem)
+				{
+					// something else has since been looked up?
+					return;
+				}
+
+				final String text = geText.getText() + "<br>OSBuddy Actively traded price: " + StackFormatter.formatNumber(result.getOverall_average());
+				geText.setText(text);
+			}
+			catch (IOException e)
+			{
+				log.debug("Error getting price of item {}", itemId, e);
+			}
+		});
+	}
 }