links: add chat invite link support

admin.go

@@ -22,7 +22,7 @@ type ChatInviteLink struct {
 
 	// (Optional) Point in time when the link will expire, use
 	// ChatInviteLink.ExpireTime() to get time.Time
-	Unixtime int64 `json:"expire_date,omitempty"`
+	ExpireDate int64 `json:"expire_date,omitempty"`
 
 	// (Optional) Maximum number of users that can be members of
 	// the chat simultaneously.
@@ -31,7 +31,7 @@ type ChatInviteLink struct {
 
 // ExpireTime returns the moment of the link expiration in local time.
 func (c *ChatInviteLink) ExpireTime() time.Time {
-	return time.Unix(c.Unixtime, 0)
+	return time.Unix(c.ExpireDate, 0)
 }
 
 // ChatMemberUpdated object represents changes in the status of a chat member.
@@ -53,7 +53,7 @@ type ChatMemberUpdated struct {
 
 	// (Optional) ChatInviteLink which was used by the user to
 	// join the chat; for joining by invite link events only.
-	ChatInviteLink *ChatInviteLink `json:"chat_invite_link"`
+	ChatInviteLink *ChatInviteLink `json:"invite_link"`
 }
 
 // Time returns the moment of the change in local time.
@@ -130,7 +130,7 @@ func AdminRights() Rights {
 	}
 }
 
-// Forever is a Unixtime of "forever" banning.
+// Forever is a ExpireDate of "forever" banning.
 func Forever() int64 {
 	return time.Now().Add(367 * 24 * time.Hour).Unix()
 }

bot.go

@@ -1598,3 +1598,69 @@ func (b *Bot) Close() (bool, error) {
 
 	return resp.Result, nil
 }
+
+// CreateInviteLink creates an additional invite link for a chat.
+func (b *Bot) CreateInviteLink(chat *Chat, link *ChatInviteLink) (*ChatInviteLink, error) {
+	params := map[string]string{
+		"chat_id": chat.Recipient(),
+	}
+	if link != nil {
+		params["expire_date"] = strconv.FormatInt(link.ExpireDate, 10)
+		params["member_limit"] = strconv.Itoa(link.MemberLimit)
+	}
+
+	data, err := b.Raw("createChatInviteLink", params)
+	if err != nil {
+		return nil, err
+	}
+
+	var resp ChatInviteLink
+	if err := json.Unmarshal(data, &resp); err != nil {
+		return nil, wrapError(err)
+	}
+
+	return &resp, nil
+}
+
+// EditInviteLink edits a non-primary invite link created by the bot.
+func (b *Bot) EditInviteLink(chat *Chat, link *ChatInviteLink) (*ChatInviteLink, error) {
+	params := map[string]string{
+		"chat_id": chat.Recipient(),
+	}
+	if link != nil {
+		params["expire_date"] = strconv.FormatInt(link.ExpireDate, 10)
+		params["member_limit"] = strconv.Itoa(link.MemberLimit)
+	}
+
+	data, err := b.Raw("editChatInviteLink", params)
+	if err != nil {
+		return nil, err
+	}
+
+	var resp ChatInviteLink
+	if err := json.Unmarshal(data, &resp); err != nil {
+		return nil, wrapError(err)
+	}
+
+	return &resp, nil
+}
+
+// RevokeInviteLink revokes an invite link created by the bot.
+func (b *Bot) RevokeInviteLink(chat *Chat, link string) (*ChatInviteLink, error) {
+	params := map[string]string{
+		"chat_id": chat.Recipient(),
+		"link":    link,
+	}
+
+	data, err := b.Raw("revokeChatInviteLink", params)
+	if err != nil {
+		return nil, err
+	}
+
+	var resp ChatInviteLink
+	if err := json.Unmarshal(data, &resp); err != nil {
+		return nil, wrapError(err)
+	}
+
+	return &resp, nil
+}