Implement Bot API 6.3 changes.

configs.go

@@ -265,6 +265,7 @@ func (CloseConfig) params() (Params, error) {
 // BaseChat is base type for all chat config types.
 type BaseChat struct {
 	ChatID                   int64 // required
+	MessageThreadID          int
 	ChannelUsername          string
 	ProtectContent           bool
 	ReplyToMessageID         int
@@ -277,6 +278,7 @@ func (chat *BaseChat) params() (Params, error) {
 	params := make(Params)
 
 	params.AddFirstValid("chat_id", chat.ChatID, chat.ChannelUsername)
+	params.AddNonZero("message_thread_id", chat.MessageThreadID)
 	params.AddNonZero("reply_to_message_id", chat.ReplyToMessageID)
 	params.AddBool("disable_notification", chat.DisableNotification)
 	params.AddBool("allow_sending_without_reply", chat.AllowSendingWithoutReply)
@@ -1383,6 +1385,7 @@ type PromoteChatMemberConfig struct {
 	CanRestrictMembers  bool
 	CanPinMessages      bool
 	CanPromoteMembers   bool
+	CanManageTopics     bool
 }
 
 func (config PromoteChatMemberConfig) method() string {
@@ -1406,6 +1409,7 @@ func (config PromoteChatMemberConfig) params() (Params, error) {
 	params.AddBool("can_restrict_members", config.CanRestrictMembers)
 	params.AddBool("can_pin_messages", config.CanPinMessages)
 	params.AddBool("can_promote_members", config.CanPromoteMembers)
+	params.AddBool("can_manage_topics", config.CanManageTopics)
 
 	return params, nil
 }
@@ -2220,16 +2224,158 @@ func (config DeleteChatStickerSetConfig) params() (Params, error) {
 	return params, nil
 }
 
+// GetForumTopicIconStickersConfig allows you to get custom emoji stickers,
+// which can be used as a forum topic icon by any user.
+type GetForumTopicIconStickersConfig struct{}
+
+func (config GetForumTopicIconStickersConfig) method() string {
+	return "getForumTopicIconStickers"
+}
+
+func (config GetForumTopicIconStickersConfig) params() (Params, error) {
+	return nil, nil
+}
+
+// CreateForumTopicConfig allows you to create a topic
+// in a forum supergroup chat.
+type CreateForumTopicConfig struct {
+	ChatID             int64
+	Name               string
+	IconColor          int
+	IconCustomEmojiID  string
+	SuperGroupUsername string
+}
+
+func (config CreateForumTopicConfig) method() string {
+	return "createForumTopic"
+}
+
+func (config CreateForumTopicConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
+	params.AddNonEmpty("name", config.Name)
+	params.AddNonZero("icon_color", config.IconColor)
+	params.AddNonEmpty("icon_custom_emoji_id", config.IconCustomEmojiID)
+
+	return params, nil
+}
+
+// EditForumTopicConfig allows you to edit
+// name and icon of a topic in a forum supergroup chat.
+type EditForumTopicConfig struct {
+	ChatID             int64
+	MessageThreadID    int
+	Name               string
+	IconCustomEmojiID  string
+	SuperGroupUsername string
+}
+
+func (config EditForumTopicConfig) method() string {
+	return "editForumTopic"
+}
+
+func (config EditForumTopicConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
+	params.AddNonZero("message_thread_id", config.MessageThreadID)
+	params.AddNonEmpty("icon_color", config.Name)
+	params.AddNonEmpty("icon_custom_emoji_id", config.IconCustomEmojiID)
+
+	return params, nil
+}
+
+// CloseForumTopicConfig allows you to close
+// an open topic in a forum supergroup chat.
+type CloseForumTopicConfig struct {
+	ChatID             int64
+	MessageThreadID    int
+	SuperGroupUsername string
+}
+
+func (config CloseForumTopicConfig) method() string {
+	return "closeForumTopic"
+}
+
+func (config CloseForumTopicConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
+	params.AddNonZero("message_thread_id", config.MessageThreadID)
+
+	return params, nil
+}
+
+// ReopenForumTopicConfig allows you to reopen
+// an closed topic in a forum supergroup chat.
+type ReopenForumTopicConfig struct {
+	ChatID             int64
+	MessageThreadID    int
+	SuperGroupUsername string
+}
+
+func (config ReopenForumTopicConfig) method() string {
+	return "reopenForumTopic"
+}
+
+func (config ReopenForumTopicConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
+	params.AddNonZero("message_thread_id", config.MessageThreadID)
+
+	return params, nil
+}
+
+// DeleteForumTopicConfig allows you to delete a forum topic
+// along with all its messages in a forum supergroup chat.
+type DeleteForumTopicConfig struct {
+	ChatID             int64
+	MessageThreadID    int
+	SuperGroupUsername string
+}
+
+func (config DeleteForumTopicConfig) method() string {
+	return "deleteForumTopic"
+}
+
+func (config DeleteForumTopicConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
+	params.AddNonZero("message_thread_id", config.MessageThreadID)
+
+	return params, nil
+}
+
+// UnpinAllForumTopicMessagesConfig allows you to clear the list
+// of pinned messages in a forum topic.
+type UnpinAllForumTopicMessagesConfig struct {
+	ChatID             int64
+	MessageThreadID    int
+	SuperGroupUsername string
+}
+
+func (config UnpinAllForumTopicMessagesConfig) method() string {
+	return "unpinAllForumTopicMessages"
+}
+
+func (config UnpinAllForumTopicMessagesConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
+	params.AddNonZero("message_thread_id", config.MessageThreadID)
+
+	return params, nil
+}
+
 // MediaGroupConfig allows you to send a group of media.
 //
 // Media consist of InputMedia items (InputMediaPhoto, InputMediaVideo).
 type MediaGroupConfig struct {
-	ChatID          int64
+	BaseChat
-	ChannelUsername string
-
 	Media               []interface{}
-	DisableNotification bool
-	ReplyToMessageID    int
 }
 
 func (config MediaGroupConfig) method() string {
@@ -2237,13 +2383,16 @@ func (config MediaGroupConfig) method() string {
 }
 
 func (config MediaGroupConfig) params() (Params, error) {
-	params := make(Params)
+	params, err := config.BaseChat.params()
+	if err != nil {
+		return nil, err
+	}
 
 	params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername)
 	params.AddBool("disable_notification", config.DisableNotification)
 	params.AddNonZero("reply_to_message_id", config.ReplyToMessageID)
 
-	err := params.AddInterface("media", prepareInputMediaForParams(config.Media))
+	err = params.AddInterface("media", prepareInputMediaForParams(config.Media))
 
 	return params, err
 }

helpers.go

@@ -178,7 +178,9 @@ func NewVoice(chatID int64, file RequestFileData) VoiceConfig {
 // two to ten InputMediaPhoto or InputMediaVideo.
 func NewMediaGroup(chatID int64, files []interface{}) MediaGroupConfig {
 	return MediaGroupConfig{
-		ChatID: chatID,
+		BaseChat: BaseChat{
+			ChatID: chatID,
+		},
 		Media:  files,
 	}
 }

types.go

@@ -261,8 +261,22 @@ type Chat struct {
 	//
 	// optional
 	LastName string `json:"last_name,omitempty"`
+	// IsForum is true if the supergroup chat is a forum (has topics enabled)
+	//
+	// optional
+	IsForum bool `json:"is_forum,omitempty"`
 	// Photo is a chat photo
 	Photo *ChatPhoto `json:"photo"`
+	// If non-empty, the list of all active chat usernames;
+	// for private chats, supergroups and channels. Returned only in getChat.
+	//
+	// optional
+	ActiveUsernames []string `json:"active_usernames,omitempty"`
+	// Custom emoji identifier of emoji status of the other party 
+	// in a private chat. Returned only in getChat.
+	//
+	// optional
+	EmojiStatusCustomEmojiID string `json:"emoji_status_custom_emoji_id,omitempty"`
 	// Bio is the bio of the other party in a private chat. Returned only in
 	// getChat
 	//
@@ -361,6 +375,11 @@ func (c Chat) ChatConfig() ChatConfig {
 type Message struct {
 	// MessageID is a unique message identifier inside this chat
 	MessageID int `json:"message_id"`
+	// Unique identifier of a message thread to which the message belongs;
+	// for supergroups only
+	//
+	// optional
+	MessageThreadID int `json:"message_thread_id,omitempty"`
 	// From is a sender, empty for messages sent to channels;
 	//
 	// optional
@@ -404,6 +423,10 @@ type Message struct {
 	//
 	// optional
 	ForwardDate int `json:"forward_date,omitempty"`
+	// IsTopicMessage true if the message is sent to a forum topic
+	//
+	// optional
+	IsTopicMessage bool `json:"is_topic_message,omitempty"`
 	// IsAutomaticForward is true if the message is a channel post that was
 	// automatically forwarded to the connected discussion group.
 	//
@@ -608,6 +631,18 @@ type Message struct {
 	//
 	// optional
 	ProximityAlertTriggered *ProximityAlertTriggered `json:"proximity_alert_triggered,omitempty"`
+	// ForumTopicCreated is a service message: forum topic created
+	//
+	// optional
+	ForumTopicCreated *ForumTopicCreated `json:"forum_topic_created,omitempty"`
+	// ForumTopicClosed is a service message: forum topic closed
+	//
+	// optional
+	ForumTopicClosed *ForumTopicClosed `json:"forum_topic_closed,omitempty"`
+	// ForumTopicReopened is a service message: forum topic reopened
+	//
+	// optional
+	ForumTopicReopened *ForumTopicReopened `json:"forum_topic_reopened,omitempty"`
 	// VideoChatScheduled is a service message: video chat scheduled.
 	//
 	// optional
@@ -1181,6 +1216,30 @@ type MessageAutoDeleteTimerChanged struct {
 	MessageAutoDeleteTime int `json:"message_auto_delete_time"`
 }
 
+// ForumTopicCreated represents a service message about a new forum topic
+// created in the chat.
+type ForumTopicCreated struct {
+	// Name is the name of topic
+	Name string `json:"name"`
+	// IconColor is the color of the topic icon in RGB format
+	IconColor int `json:"icon_color"`
+	// IconCustomEmojiID is the unique identifier of the custom emoji
+	// shown as the topic icon
+	//
+	// optional
+	IconCustomEmojiID string `json:"icon_custom_emoji_id,omitempty"`
+}
+
+// ForumTopicClosed represents a service message about a forum topic
+// closed in the chat. Currently holds no information.
+type ForumTopicClosed struct {
+}
+
+// ForumTopicReopened represents a service message about a forum topic
+// reopened in the chat. Currently holds no information.
+type ForumTopicReopened struct {
+}
+
 // VideoChatScheduled represents a service message about a voice chat scheduled
 // in the chat.
 type VideoChatScheduled struct {
@@ -1591,6 +1650,7 @@ type ChatAdministratorRights struct {
 	CanPostMessages     bool `json:"can_post_messages"`
 	CanEditMessages     bool `json:"can_edit_messages"`
 	CanPinMessages      bool `json:"can_pin_messages"`
+	CanManageTopics     bool `json:"can_manage_topics"`
 }
 
 // ChatMember contains information about one member of a chat.
@@ -1682,7 +1742,13 @@ type ChatMember struct {
 	// True, if the user is allowed to pin messages; groups and supergroups only
 	//
 	// optional
-	CanPinMessages bool `json:"can_pin_messages,omitempty"`
+	CanPinMessages  bool `json:"can_pin_messages,omitempty"`
+	// CanManageTopics administrators and restricted only.
+	// True, if the user is allowed to create, rename, 
+	// close, and reopen forum topics; supergroups only
+	//
+	// optional
+	CanManageTopics bool `json:"can_manage_topics,omitempty"`
 	// IsMember is true, if the user is a member of the chat at the moment of
 	// the request
 	IsMember bool `json:"is_member"`
@@ -1806,6 +1872,11 @@ type ChatPermissions struct {
 	//
 	// optional
 	CanPinMessages bool `json:"can_pin_messages,omitempty"`
+	// CanManageTopics is true, if the user is allowed to create forum topics.
+	// If omitted defaults to the value of can_pin_messages
+	//
+	// optional
+	CanManageTopics bool `json:"can_manage_topics,omitempty"`
 }
 
 // ChatLocation represents a location to which a chat is connected.
@@ -1818,6 +1889,21 @@ type ChatLocation struct {
 	Address string `json:"address"`
 }
 
+// ForumTopic represents a forum topic.
+type ForumTopic struct {
+	// MessageThreadID is the unique identifier of the forum topic
+	MessageThreadID int `json:"message_thread_id"`
+	// Name is the name of the topic
+	Name string `json:"name"`
+	// IconColor is the color of the topic icon in RGB format
+	IconColor int `json:"icon_color"`
+	// IconCustomEmojiID is the unique identifier of the custom emoji
+	// shown as the topic icon
+	//
+	// optional
+	IconCustomEmojiID string `json:"icon_custom_emoji_id,omitempty"`
+}
+
 // BotCommand represents a bot command.
 type BotCommand struct {
 	// Command text of the command, 1-32 characters.