From 0bcb0b882f8f49d9ae889165dc4478d1168e1f25 Mon Sep 17 00:00:00 2001
From: Wim <wim@42.be>
Date: Sun, 17 Feb 2019 21:49:45 +0100
Subject: Support join/leaves from discord. Closes #654 (#721)

---
 bridge/discord/discord.go  |  2 ++
 bridge/discord/handlers.go | 42 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+)

(limited to 'bridge/discord')

diff --git a/bridge/discord/discord.go b/bridge/discord/discord.go
index d74ed6a6..bc33796c 100644
--- a/bridge/discord/discord.go
+++ b/bridge/discord/discord.go
@@ -75,6 +75,8 @@ func (b *Bdiscord) Connect() error {
 	b.c.AddHandler(b.memberUpdate)
 	b.c.AddHandler(b.messageUpdate)
 	b.c.AddHandler(b.messageDelete)
+	b.c.AddHandler(b.memberAdd)
+	b.c.AddHandler(b.memberRemove)
 	err = b.c.Open()
 	if err != nil {
 		return err
diff --git a/bridge/discord/handlers.go b/bridge/discord/handlers.go
index 8691a612..85bac2ec 100644
--- a/bridge/discord/handlers.go
+++ b/bridge/discord/handlers.go
@@ -123,3 +123,45 @@ func (b *Bdiscord) memberUpdate(s *discordgo.Session, m *discordgo.GuildMemberUp
 		b.nickMemberMap[m.Member.Nick] = m.Member
 	}
 }
+
+func (b *Bdiscord) memberAdd(s *discordgo.Session, m *discordgo.GuildMemberAdd) {
+	if m.Member == nil {
+		b.Log.Warnf("Received member update with no member information: %#v", m)
+		return
+	}
+	username := m.Member.User.Username
+	if m.Member.Nick != "" {
+		username = m.Member.Nick
+	}
+
+	rmsg := config.Message{
+		Account:  b.Account,
+		Event:    config.EventJoinLeave,
+		Username: "system",
+		Text:     username + " joins",
+	}
+	b.Log.Debugf("<= Sending message from %s to gateway", b.Account)
+	b.Log.Debugf("<= Message is %#v", rmsg)
+	b.Remote <- rmsg
+}
+
+func (b *Bdiscord) memberRemove(s *discordgo.Session, m *discordgo.GuildMemberRemove) {
+	if m.Member == nil {
+		b.Log.Warnf("Received member update with no member information: %#v", m)
+		return
+	}
+	username := m.Member.User.Username
+	if m.Member.Nick != "" {
+		username = m.Member.Nick
+	}
+
+	rmsg := config.Message{
+		Account:  b.Account,
+		Event:    config.EventJoinLeave,
+		Username: "system",
+		Text:     username + " leaves",
+	}
+	b.Log.Debugf("<= Sending message from %s to gateway", b.Account)
+	b.Log.Debugf("<= Message is %#v", rmsg)
+	b.Remote <- rmsg
+}
-- 
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