From cf2ba10533844e0286607a5a84d20fb5690c698f Mon Sep 17 00:00:00 2001
From: Jan Kaluza <jkaluza@redhat.com>
Date: Tue, 8 Dec 2015 18:33:50 +0100
Subject: [PATCH] Slack: support for attachments message type

---
 spectrum/src/frontends/slack/SlackAPI.cpp | 21 +++++++++++++++++++++
 spectrum/src/frontends/slack/SlackRTM.cpp | 16 ++++++++++++++++
 2 files changed, 37 insertions(+)

diff --git a/spectrum/src/frontends/slack/SlackAPI.cpp b/spectrum/src/frontends/slack/SlackAPI.cpp
index 584b4d16..fdc89743 100644
--- a/spectrum/src/frontends/slack/SlackAPI.cpp
+++ b/spectrum/src/frontends/slack/SlackAPI.cpp
@@ -293,6 +293,27 @@ void SlackAPI::getSlackUserInfo(HTTPRequest *req, bool ok, rapidjson::Document &
 		}
 	}
 
+	GET_ARRAY(resp, bots);
+
+	for (int i = 0; i < bots.Size(); i++) {
+		if (!bots[i].IsObject()) {
+			continue;
+		}
+
+		SlackUserInfo info;
+
+		STORE_STRING(users[i], id);
+		info.id = id;
+
+		STORE_STRING(users[i], name);
+		info.name = name;
+
+		info.isPrimaryOwner = 0;
+
+		ret[info.id] = info;
+		LOG4CXX_INFO(logger, info.id << " " << info.name);
+	}
+
 	return;
 }
 
diff --git a/spectrum/src/frontends/slack/SlackRTM.cpp b/spectrum/src/frontends/slack/SlackRTM.cpp
index 88c3e091..e7280422 100644
--- a/spectrum/src/frontends/slack/SlackRTM.cpp
+++ b/spectrum/src/frontends/slack/SlackRTM.cpp
@@ -81,6 +81,12 @@ SlackRTM::~SlackRTM() {
 		 NAME = NAME##_tmp.GetString(); \
 	}
 
+#define GET_OBJECT(FROM, NAME) rapidjson::Value &NAME = FROM[#NAME]; \
+	if (!NAME.IsObject()) { \
+		LOG4CXX_ERROR(logger, "No '" << #NAME << "' object in the reply."); \
+		return; \
+	}
+
 void SlackRTM::handlePayloadReceived(const std::string &payload) {
 	rapidjson::Document d;
 	if (d.Parse<0>(payload.c_str()).HasParseError()) {
@@ -97,6 +103,16 @@ void SlackRTM::handlePayloadReceived(const std::string &payload) {
 		STORE_STRING(d, ts);
 		STORE_STRING_OPTIONAL(d, subtype);
 
+		rapidjson::Value &attachments = d["attachments"];
+		if (attachments.IsArray()) {
+			for (int i = 0; i < attachments.Size(); i++) {
+				STORE_STRING_OPTIONAL(attachments[i], fallback);
+				if (!fallback.empty()) {
+					text += fallback;
+				}
+			}
+		}
+
 		if (subtype == "bot_message") {
 			STORE_STRING(d, bot_id);
 			onMessageReceived(channel, bot_id, text, ts);