chat commands: add duel arena chat command

http-api/src/main/java/net/runelite/http/api/chat/ChatClient.java

@@ -258,4 +258,55 @@ public class ChatClient
 			return Integer.parseInt(response.body().string());
 		}
 	}
+
+	public boolean submitDuels(String username, int wins, int losses, int winningStreak, int losingStreak) throws IOException
+	{
+		HttpUrl url = RuneLiteAPI.getApiBase().newBuilder()
+			.addPathSegment("chat")
+			.addPathSegment("duels")
+			.addQueryParameter("name", username)
+			.addQueryParameter("wins", Integer.toString(wins))
+			.addQueryParameter("losses", Integer.toString(losses))
+			.addQueryParameter("winningStreak", Integer.toString(winningStreak))
+			.addQueryParameter("losingStreak", Integer.toString(losingStreak))
+			.build();
+
+		Request request = new Request.Builder()
+			.post(RequestBody.create(null, new byte[0]))
+			.url(url)
+			.build();
+
+		try (Response response = RuneLiteAPI.CLIENT.newCall(request).execute())
+		{
+			return response.isSuccessful();
+		}
+	}
+
+	public Duels getDuels(String username) throws IOException
+	{
+		HttpUrl url = RuneLiteAPI.getApiBase().newBuilder()
+			.addPathSegment("chat")
+			.addPathSegment("duels")
+			.addQueryParameter("name", username)
+			.build();
+
+		Request request = new Request.Builder()
+			.url(url)
+			.build();
+
+		try (Response response = RuneLiteAPI.CLIENT.newCall(request).execute())
+		{
+			if (!response.isSuccessful())
+			{
+				throw new IOException("Unable to look up duels!");
+			}
+
+			InputStream in = response.body().byteStream();
+			return RuneLiteAPI.GSON.fromJson(new InputStreamReader(in), Duels.class);
+		}
+		catch (JsonParseException ex)
+		{
+			throw new IOException(ex);
+		}
+	}
 }

http-api/src/main/java/net/runelite/http/api/chat/Duels.java

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2019, Adam <Adam@sigterm.info>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package net.runelite.http.api.chat;
+
+import lombok.Data;
+
+@Data
+public class Duels
+{
+	private int wins;
+	private int losses;
+	private int winningStreak;
+	private int losingStreak;
+}