Added !layout

Signed-off-by: James Munson <jmunson@openpoll.io>

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

@@ -27,6 +27,8 @@ package net.runelite.http.api.chat;
 import com.google.gson.JsonParseException;
 import java.io.IOException;
 import java.io.InputStream;
+import java.util.function.Predicate;
+import java.util.regex.Pattern;
 import java.io.InputStreamReader;
 import net.runelite.http.api.RuneLiteAPI;
 import okhttp3.HttpUrl;
@@ -36,6 +38,10 @@ import okhttp3.Response;
 
 public class ChatClient
 {
+	private static final Predicate<String> LAYOUT_VALIDATOR = Pattern
+			.compile("\\[[A-Z]+]:(\\s*\\w+\\s*(\\([A-Za-z]+\\))?,?)+")
+			.asPredicate();
+
 	public boolean submitKc(String username, String boss, int kc) throws IOException
 	{
 		HttpUrl url = RuneLiteAPI.getApiBase().newBuilder()
@@ -258,4 +264,64 @@ public class ChatClient
 			return Integer.parseInt(response.body().string());
 		}
 	}
+
+	public boolean submitLayout(String username, String layout) throws IOException
+	{
+		if (!testLayout(layout))
+		{
+			throw new IOException("Layout " + layout + " is not valid!");
+		}
+
+		HttpUrl url = RuneLiteAPI.getApiBase().newBuilder()
+				.addPathSegment("chat")
+				.addPathSegment("layout")
+				.addQueryParameter("name", username)
+				.addQueryParameter("layout", layout)
+				.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 String 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!");
+			}
+
+			final String layout = response.body().string();
+
+			if (!testLayout(layout))
+			{
+				throw new IOException("Layout " + layout + " is not valid!");
+			}
+
+			return layout;
+		}
+	}
+
+	public boolean testLayout(String layout)
+	{
+		return LAYOUT_VALIDATOR.test(layout);
+	}
 }