Add layout chat command

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

@@ -309,4 +309,51 @@ public class ChatClient
 			throw new IOException(ex);
 		}
 	}
+
+	public boolean submitLayout(String username, LayoutRoom[] rooms) throws IOException
+	{
+		HttpUrl url = RuneLiteAPI.getApiBase().newBuilder()
+			.addPathSegment("chat")
+			.addPathSegment("layout")
+			.addQueryParameter("name", username)
+			.build();
+
+		Request request = new Request.Builder()
+			.post(RequestBody.create(RuneLiteAPI.JSON, RuneLiteAPI.GSON.toJson(rooms)))
+			.url(url)
+			.build();
+
+		try (Response response = RuneLiteAPI.CLIENT.newCall(request).execute())
+		{
+			return response.isSuccessful();
+		}
+	}
+
+	public LayoutRoom[] getLayout(String username) throws IOException
+	{
+		HttpUrl url = RuneLiteAPI.getApiBase().newBuilder()
+			.addPathSegment("chat")
+			.addPathSegment("layout")
+			.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 layout!");
+			}
+
+			InputStream in = response.body().byteStream();
+			return RuneLiteAPI.GSON.fromJson(new InputStreamReader(in), LayoutRoom[].class);
+		}
+		catch (JsonParseException ex)
+		{
+			throw new IOException(ex);
+		}
+	}
 }

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

@@ -0,0 +1,50 @@
+/*
+ * 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;
+
+public enum LayoutRoom
+{
+	START,
+	END,
+	SCAVENGERS,
+	FARMING,
+	EMPTY,
+
+	TEKTON,
+	MUTTADILES,
+	GUARDIANS,
+	VESPULA,
+	SHAMANS,
+	VASA,
+	VANGUARDS,
+	MYSTICS,
+	UNKNOWN_COMBAT,
+
+	CRABS,
+	ICE_DEMON,
+	TIGHTROPE,
+	THIEVING,
+	UNKNOWN_PUZZLE;
+}