From 5eb0d10909451fa46b40f474325786d9962c000d Mon Sep 17 00:00:00 2001
From: Kirill Kirilenko <kirill@ultracoder.org>
Date: Sun, 2 Oct 2016 19:14:14 +0300
Subject: [PATCH] Add support for parse mode in messages.

---
 include/telebotxx/BotApi.hpp | 10 +++++++++-
 src/BotApi.cpp               | 11 ++++++++---
 tests/TestApi.cpp            | 20 +++++++++++++++++++-
 3 files changed, 36 insertions(+), 5 deletions(-)

diff --git a/include/telebotxx/BotApi.hpp b/include/telebotxx/BotApi.hpp
index f64e3f2..ad7a296 100644
--- a/include/telebotxx/BotApi.hpp
+++ b/include/telebotxx/BotApi.hpp
@@ -11,6 +11,13 @@ namespace telebotxx
 	class BotApi
 	{
 	public:
+		enum class ParseMode
+		{
+			Plain,
+			Markdown,
+			Html
+		};
+
 		/// \param [in] token bot's secret token
 		BotApi(const std::string& token);
 
@@ -23,7 +30,8 @@ namespace telebotxx
 		/// \brief Send text message
 		/// \param [in] chat chat identifier
 		/// \param [in] text message text
-		void sendMessage(const std::string& chat, const std::string& text);
+		/// \param [in] parseMode parse mode
+		void sendMessage(const std::string& chat, const std::string& text, ParseMode parseMode = ParseMode::Plain);
 
 		/// \brief Send image
 		/// \param [in] chat chat identifier
diff --git a/src/BotApi.cpp b/src/BotApi.cpp
index 61634ed..f6e921d 100644
--- a/src/BotApi.cpp
+++ b/src/BotApi.cpp
@@ -101,7 +101,7 @@ public:
 		return parseUser(parseResponse(doc));
 	}
 
-	inline void sendMessage(const std::string& chat, const std::string& text)
+	inline void sendMessage(const std::string& chat, const std::string& text, ParseMode parseMode)
 	{
 		// Construct JSON body
 		using namespace rapidjson;
@@ -113,6 +113,11 @@ public:
 		writer.String(chat.c_str());
 		writer.String("text");
 		writer.String(text.c_str());
+		if (parseMode != ParseMode::Plain)
+		{
+			writer.String("parse_mode");
+			writer.String((parseMode == ParseMode::Markdown) ? "Markdown" : "HTML");
+		}
 		writer.EndObject();
 
 		std::string request = s.GetString();
@@ -174,9 +179,9 @@ User BotApi::getMe()
 	return impl_->getMe();
 }
 
-void BotApi::sendMessage(const std::string& chat, const std::string& text)
+void BotApi::sendMessage(const std::string& chat, const std::string& text, ParseMode parseMode)
 {
-	return impl_->sendMessage(chat, text);
+	return impl_->sendMessage(chat, text, parseMode);
 }
 
 void BotApi::sendPhoto(const std::string& chat, const std::string& filename, const std::string& caption)
diff --git a/tests/TestApi.cpp b/tests/TestApi.cpp
index 65d6175..a0b2e73 100644
--- a/tests/TestApi.cpp
+++ b/tests/TestApi.cpp
@@ -86,7 +86,25 @@ BOOST_AUTO_TEST_SUITE(TestBotApi)
 	{
 		PRINT_TESTNAME;
 		BOOST_REQUIRE(bot);
-		BOOST_REQUIRE_NO_THROW(bot->sendMessage(chat, "Hello from C++!"));
+		BOOST_REQUIRE_NO_THROW(bot->sendMessage(chat, "Sample text"));
+	}
+
+	BOOST_AUTO_TEST_CASE(SendMessageWithMarkdown)
+	{
+		PRINT_TESTNAME;
+		BOOST_REQUIRE(bot);
+		BOOST_REQUIRE_NO_THROW(bot->sendMessage(chat,
+												"[Sample text in markdown](http://google.com/)",
+												telebotxx::BotApi::ParseMode::Markdown));
+	}
+
+	BOOST_AUTO_TEST_CASE(SendMessageWithHtml)
+	{
+		PRINT_TESTNAME;
+		BOOST_REQUIRE(bot);
+		BOOST_REQUIRE_NO_THROW(bot->sendMessage(chat,
+												"<a href=\"http://google.com/\">Sample text in HTML</a>",
+												telebotxx::BotApi::ParseMode::Html));
 	}
 
 	BOOST_AUTO_TEST_CASE(SendPhoto)