From e0e1e4be8018b256d86e2df9c3f84fc7881041c3 Mon Sep 17 00:00:00 2001
From: Wim <wim@42.be>
Date: Sun, 20 Nov 2016 23:01:44 +0100
Subject: [PATCH] Add gateway.inout config for bidirectional bridges. Closes
 #85

---
 bridge/config/config.go  |  1 +
 gateway/gateway.go       |  6 +++++-
 matterbridge.toml.sample | 10 +++++-----
 matterbridge.toml.simple |  6 +-----
 4 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/bridge/config/config.go b/bridge/config/config.go
index 5fed2f0a..1958bf57 100644
--- a/bridge/config/config.go
+++ b/bridge/config/config.go
@@ -62,6 +62,7 @@ type Gateway struct {
 	Enable bool
 	In     []Bridge
 	Out    []Bridge
+	InOut  []Bridge
 }
 
 type SameChannelGateway struct {
diff --git a/gateway/gateway.go b/gateway/gateway.go
index 63da4bba..f45f315e 100644
--- a/gateway/gateway.go
+++ b/gateway/gateway.go
@@ -57,7 +57,7 @@ func (gw *Gateway) AddBridge(cfg *config.Bridge) error {
 
 func (gw *Gateway) Start() error {
 	gw.mapChannels()
-	for _, br := range append(gw.MyConfig.In, gw.MyConfig.Out...) {
+	for _, br := range append(gw.MyConfig.In, append(gw.MyConfig.InOut, gw.MyConfig.Out...)...) {
 		err := gw.AddBridge(&br)
 		if err != nil {
 			return err
@@ -92,6 +92,10 @@ func (gw *Gateway) mapChannels() error {
 		m[br.Account] = append(m[br.Account], br.Channel)
 	}
 	gw.ChannelsIn = m
+	for _, br := range gw.MyConfig.InOut {
+		gw.ChannelsIn[br.Account] = append(gw.ChannelsIn[br.Account], br.Channel)
+		gw.ChannelsOut[br.Account] = append(gw.ChannelsOut[br.Account], br.Channel)
+	}
 	return nil
 }
 
diff --git a/matterbridge.toml.sample b/matterbridge.toml.sample
index 2e5f8186..df73713b 100644
--- a/matterbridge.toml.sample
+++ b/matterbridge.toml.sample
@@ -383,7 +383,7 @@ ShowJoinPart=false
 #from [[gateway.in]] to.
 #
 #Most of the time [[gateway.in]] and [[gateway.out]] are the same if you 
-#want bidirectional bridging.
+#want bidirectional bridging. You can then use [[gateway.inout]]
 #
 
 [[gateway]]
@@ -415,15 +415,15 @@ enable=true
     #REQUIRED
     channel="#testing"
 
-    [[gateway.in]]
-    account="mattermost.work"
-    channel="off-topic"
 
+    #[[gateway.out]] specifies the account and channels we will sent messages to.
     [[gateway.out]]
     account="irc.freenode"
     channel="#testing"
 
-    [[gateway.out]]
+    #[[gateway.inout]] can be used when then channel will be used to receive from 
+    #and send messages to
+    [[gateway.inout]]
     account="mattermost.work"
     channel="off-topic"
 
diff --git a/matterbridge.toml.simple b/matterbridge.toml.simple
index 30104d98..d39a33f4 100644
--- a/matterbridge.toml.simple
+++ b/matterbridge.toml.simple
@@ -19,14 +19,10 @@ enable=true
     account="irc.freenode"
     channel="#testing"
 
-    [[gateway.in]]
-    account="mattermost.work"
-    channel="off-topic"
-
     [[gateway.out]]
     account="irc.freenode"
     channel="#testing"
 
-    [[gateway.out]]
+    [[gateway.inout]]
     account="mattermost.work"
     channel="off-topic"