From 5c8031b8a2d34f3f023ad6278accf6b47b35ce37 Mon Sep 17 00:00:00 2001
From: diamondburned <datutbrus@gmail.com>
Date: Thu, 9 Jul 2020 16:32:49 -0700
Subject: [PATCH] Added attachment support

---
 channel.go | 38 ++++++++++++++++++++++++++++++--------
 go.mod     |  2 +-
 go.sum     |  2 ++
 3 files changed, 33 insertions(+), 9 deletions(-)

diff --git a/channel.go b/channel.go
index 96b6611..876c951 100644
--- a/channel.go
+++ b/channel.go
@@ -71,14 +71,15 @@ type Channel struct {
 }
 
 var (
-	_ cchat.Server                       = (*Channel)(nil)
-	_ cchat.ServerMessage                = (*Channel)(nil)
-	_ cchat.ServerMessageSender          = (*Channel)(nil)
-	_ cchat.ServerMessageSendCompleter   = (*Channel)(nil)
-	_ cchat.ServerNickname               = (*Channel)(nil)
-	_ cchat.ServerMessageEditor          = (*Channel)(nil)
-	_ cchat.ServerMessageActioner        = (*Channel)(nil)
-	_ cchat.ServerMessageTypingIndicator = (*Channel)(nil)
+	_ cchat.Server                        = (*Channel)(nil)
+	_ cchat.ServerMessage                 = (*Channel)(nil)
+	_ cchat.ServerMessageSender           = (*Channel)(nil)
+	_ cchat.ServerMessageAttachmentSender = (*Channel)(nil)
+	_ cchat.ServerMessageSendCompleter    = (*Channel)(nil)
+	_ cchat.ServerNickname                = (*Channel)(nil)
+	_ cchat.ServerMessageEditor           = (*Channel)(nil)
+	_ cchat.ServerMessageActioner         = (*Channel)(nil)
+	_ cchat.ServerMessageTypingIndicator  = (*Channel)(nil)
 )
 
 func NewChannel(s *Session, ch discord.Channel) *Channel {
@@ -272,11 +273,32 @@ func (ch *Channel) SendMessage(msg cchat.SendableMessage) error {
 	if noncer, ok := msg.(cchat.MessageNonce); ok {
 		send.Nonce = noncer.Nonce()
 	}
+	if attcher, ok := msg.(cchat.SendableMessageAttachments); ok {
+		send.Files = addAttachments(attcher.Attachments())
+	}
 
 	_, err := ch.session.SendMessageComplex(ch.id, send)
 	return err
 }
 
+func (ch *Channel) SendAttachments(atts []cchat.MessageAttachment) error {
+	_, err := ch.session.SendMessageComplex(ch.id, api.SendMessageData{
+		Files: addAttachments(atts),
+	})
+	return err
+}
+
+func addAttachments(atts []cchat.MessageAttachment) []api.SendMessageFile {
+	var files = make([]api.SendMessageFile, len(atts))
+	for i, a := range atts {
+		files[i] = api.SendMessageFile{
+			Name:   a.Name,
+			Reader: a,
+		}
+	}
+	return files
+}
+
 // MessageEditable returns true if the given message ID belongs to the current
 // user.
 func (ch *Channel) MessageEditable(id string) bool {
diff --git a/go.mod b/go.mod
index 3db38ab..89d42d9 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.14
 
 require (
 	github.com/diamondburned/arikawa v0.9.6
-	github.com/diamondburned/cchat v0.0.42
+	github.com/diamondburned/cchat v0.0.43
 	github.com/diamondburned/ningen v0.1.1-0.20200708211706-57c712372ede
 	github.com/dustin/go-humanize v1.0.0
 	github.com/go-test/deep v1.0.6
diff --git a/go.sum b/go.sum
index a7e2c42..fd159d6 100644
--- a/go.sum
+++ b/go.sum
@@ -43,6 +43,8 @@ github.com/diamondburned/cchat v0.0.41 h1:6y32s2wWTiDw4hWN/Gna6ay3uUrRAW5V8Cj0/x
 github.com/diamondburned/cchat v0.0.41/go.mod h1:+zXktogE45A0om4fT6B/z6Ii7FXNafjxsNspI0rlhbU=
 github.com/diamondburned/cchat v0.0.42 h1:FVMLy9hOTxKju8OWDBIStrekbgTHCaH8+GVnV4LOByg=
 github.com/diamondburned/cchat v0.0.42/go.mod h1:+zXktogE45A0om4fT6B/z6Ii7FXNafjxsNspI0rlhbU=
+github.com/diamondburned/cchat v0.0.43 h1:HetAujSaUSdnQgAUZgprNLARjf/MSWXpCfWdvX2wOCU=
+github.com/diamondburned/cchat v0.0.43/go.mod h1:+zXktogE45A0om4fT6B/z6Ii7FXNafjxsNspI0rlhbU=
 github.com/diamondburned/ningen v0.1.1-0.20200621014632-6babb812b249 h1:yP7kJ+xCGpDz6XbcfACJcju4SH1XDPwlrvbofz3lP8I=
 github.com/diamondburned/ningen v0.1.1-0.20200621014632-6babb812b249/go.mod h1:xW9hpBZsGi8KpAh10TyP+YQlYBo+Xc+2w4TR6N0951A=
 github.com/diamondburned/ningen v0.1.1-0.20200708085949-b64e350f3b8c h1:3h/kyk6HplYZF3zLi106itjYJWjbuMK/twijeGLEy2M=