From 2bc4bb656feb8e225f66728a9a80d2f541dda08d Mon Sep 17 00:00:00 2001
From: rigormorrtiss <rigormorrtiss@gmail.com>
Date: Mon, 2 Aug 2021 13:05:14 +0400
Subject: [PATCH] api: Update SendMessageData.Embed to .Embeds (#248)

* Update SendMessageData.Embed to .Embeds

Related: https://github.com/discord/discord-api-docs/pull/3105

Closes #239

* Fix test
---
 api/message.go   | 10 +++++-----
 api/send.go      | 12 +++++++-----
 api/send_test.go | 10 +++++-----
 bot/ctx_call.go  |  2 +-
 4 files changed, 18 insertions(+), 16 deletions(-)

diff --git a/api/message.go b/api/message.go
index 0974f20..cfd7200 100644
--- a/api/message.go
+++ b/api/message.go
@@ -230,7 +230,7 @@ func (c *Client) SendEmbed(
 	channelID discord.ChannelID, e discord.Embed) (*discord.Message, error) {
 
 	return c.SendMessageComplex(channelID, SendMessageData{
-		Embed: &e,
+		Embeds: []discord.Embed{e},
 	})
 }
 
@@ -246,7 +246,7 @@ func (c *Client) SendEmbedReply(
 	referenceID discord.MessageID) (*discord.Message, error) {
 
 	return c.SendMessageComplex(channelID, SendMessageData{
-		Embed:     &e,
+		Embeds:    []discord.Embed{e},
 		Reference: &discord.MessageReference{MessageID: referenceID},
 	})
 }
@@ -262,7 +262,7 @@ func (c *Client) SendMessage(
 
 	return c.SendMessageComplex(channelID, SendMessageData{
 		Content: content,
-		Embed:   embed,
+		Embeds:  []discord.Embed{*embed},
 	})
 }
 
@@ -275,12 +275,12 @@ func (c *Client) SendMessage(
 func (c *Client) SendMessageReply(
 	channelID discord.ChannelID,
 	content string,
-	embed *discord.Embed,
+	embed discord.Embed,
 	referenceID discord.MessageID) (*discord.Message, error) {
 
 	return c.SendMessageComplex(channelID, SendMessageData{
 		Content:   content,
-		Embed:     embed,
+		Embeds:    []discord.Embed{embed},
 		Reference: &discord.MessageReference{MessageID: referenceID},
 	})
 }
diff --git a/api/send.go b/api/send.go
index 772935a..6a00c85 100644
--- a/api/send.go
+++ b/api/send.go
@@ -100,7 +100,7 @@ type SendMessageData struct {
 	// TTS is true if this is a TTS message.
 	TTS bool `json:"tts,omitempty"`
 	// Embed is embedded rich content.
-	Embed *discord.Embed `json:"embed,omitempty"`
+	Embeds []discord.Embed `json:"embeds,omitempty"`
 
 	// Files is the list of file attachments to be uploaded. To reference a file
 	// in an embed, use (sendpart.File).AttachmentURI().
@@ -148,7 +148,7 @@ func (data SendMessageData) WriteMultipart(body *multipart.Writer) error {
 func (c *Client) SendMessageComplex(
 	channelID discord.ChannelID, data SendMessageData) (*discord.Message, error) {
 
-	if data.Content == "" && data.Embed == nil && len(data.Files) == 0 {
+	if data.Content == "" && len(data.Embeds) == 0 && len(data.Files) == 0 {
 		return nil, ErrEmptyMessage
 	}
 
@@ -158,9 +158,11 @@ func (c *Client) SendMessageComplex(
 		}
 	}
 
-	if data.Embed != nil {
-		if err := data.Embed.Validate(); err != nil {
-			return nil, errors.Wrap(err, "embed error")
+	if len(data.Embeds) != 0 {
+		for _, embed := range data.Embeds {
+			if err := embed.Validate(); err != nil {
+				return nil, errors.Wrap(err, "embed error")
+			}
 		}
 	}
 
diff --git a/api/send_test.go b/api/send_test.go
index 11c863d..06b9c84 100644
--- a/api/send_test.go
+++ b/api/send_test.go
@@ -103,7 +103,6 @@ func TestSendMessage(t *testing.T) {
 	t.Run("empty", func(t *testing.T) {
 		var empty = SendMessageData{
 			Content: "",
-			Embed:   nil,
 		}
 
 		if err := send(empty); err != ErrEmptyMessage {
@@ -135,11 +134,12 @@ func TestSendMessage(t *testing.T) {
 	})
 
 	t.Run("invalid embed", func(t *testing.T) {
+		embed := discord.Embed{
+			// max 256
+			Title: spaces(257),
+		}
 		var data = SendMessageData{
-			Embed: &discord.Embed{
-				// max 256
-				Title: spaces(257),
-			},
+			Embeds: []discord.Embed{embed},
 		}
 
 		err := send(data)
diff --git a/bot/ctx_call.go b/bot/ctx_call.go
index 20b129a..bfebb59 100644
--- a/bot/ctx_call.go
+++ b/bot/ctx_call.go
@@ -131,7 +131,7 @@ func (ctx *Context) callMessageCreate(
 		case string:
 			data.Content = v
 		case *discord.Embed:
-			data.Embed = v
+			data.Embeds = []discord.Embed{*v}
 		case *api.SendMessageData:
 			data = *v
 		default: