bot: tidy the chat member type

admin.go

@@ -20,8 +20,8 @@ type ChatInviteLink struct {
 	// If the link is revoked.
 	IsRevoked bool `json:"is_revoked"`
 
-	// (Optional) Point in time when the link will expire, use
-	// ChatInviteLink.ExpireDate() to get time.Time
+	// (Optional) Point in time when the link will expire,
+	// use ExpireDate() to get time.Time
 	ExpireUnixtime int64 `json:"expire_date,omitempty"`
 
 	// (Optional) Maximum number of users that can be members of
@@ -34,15 +34,15 @@ func (c *ChatInviteLink) ExpireDate() time.Time {
 	return time.Unix(c.ExpireUnixtime, 0)
 }
 
-// ChatMemberUpdated object represents changes in the status of a chat member.
-type ChatMemberUpdated struct {
+// ChatMemberUpdate object represents changes in the status of a chat member.
+type ChatMemberUpdate struct {
 	// Chat where the user belongs to.
 	Chat *Chat `json:"chat"`
 
-	// From which user the action was triggered.
-	From *User `json:"from"`
+	// Sender which user the action was triggered.
+	Sender *User `json:"from"`
 
-	// Unixtime, use ChatMemberUpdated.Time() to get time.Time
+	// Unixtime, use Date() to get time.Time
 	Unixtime int64 `json:"date"`
 
 	// Previous information about the chat member.
@@ -57,7 +57,7 @@ type ChatMemberUpdated struct {
 }
 
 // Time returns the moment of the change in local time.
-func (c *ChatMemberUpdated) Time() time.Time {
+func (c *ChatMemberUpdate) Time() time.Time {
 	return time.Unix(c.Unixtime, 0)
 }
 

bot.go

@@ -121,19 +121,19 @@ type Settings struct {
 type Update struct {
 	ID int `json:"update_id"`
 
-	Message           *Message           `json:"message,omitempty"`
-	EditedMessage     *Message           `json:"edited_message,omitempty"`
-	ChannelPost       *Message           `json:"channel_post,omitempty"`
-	EditedChannelPost *Message           `json:"edited_channel_post,omitempty"`
-	Callback          *Callback          `json:"callback_query,omitempty"`
-	Query             *Query             `json:"inline_query,omitempty"`
-	InlineResult      *InlineResult      `json:"chosen_inline_result,omitempty"`
-	ShippingQuery     *ShippingQuery     `json:"shipping_query,omitempty"`
-	PreCheckoutQuery  *PreCheckoutQuery  `json:"pre_checkout_query,omitempty"`
-	Poll              *Poll              `json:"poll,omitempty"`
-	PollAnswer        *PollAnswer        `json:"poll_answer,omitempty"`
-	MyChatMember      *ChatMemberUpdated `json:"my_chat_member,omitempty"`
-	ChatMember        *ChatMemberUpdated `json:"chat_member,omitempty"`
+	Message           *Message          `json:"message,omitempty"`
+	EditedMessage     *Message          `json:"edited_message,omitempty"`
+	ChannelPost       *Message          `json:"channel_post,omitempty"`
+	EditedChannelPost *Message          `json:"edited_channel_post,omitempty"`
+	Callback          *Callback         `json:"callback_query,omitempty"`
+	Query             *Query            `json:"inline_query,omitempty"`
+	InlineResult      *InlineResult     `json:"chosen_inline_result,omitempty"`
+	ShippingQuery     *ShippingQuery    `json:"shipping_query,omitempty"`
+	PreCheckoutQuery  *PreCheckoutQuery `json:"pre_checkout_query,omitempty"`
+	Poll              *Poll             `json:"poll,omitempty"`
+	PollAnswer        *PollAnswer       `json:"poll_answer,omitempty"`
+	MyChatMember      *ChatMemberUpdate `json:"my_chat_member,omitempty"`
+	ChatMember        *ChatMemberUpdate `json:"chat_member,omitempty"`
 }
 
 // Command represents a bot command.

context.go

@@ -44,7 +44,7 @@ type Context interface {
 	PollAnswer() *PollAnswer
 
 	// ChatMember returns chat member changes.
-	ChatMember() *ChatMemberUpdated
+	ChatMember() *ChatMemberUpdate
 
 	// Migration returns both migration from and to chat IDs.
 	Migration() (int64, int64)
@@ -158,8 +158,8 @@ type nativeContext struct {
 	preCheckoutQuery *PreCheckoutQuery
 	poll             *Poll
 	pollAnswer       *PollAnswer
-	myChatMember     *ChatMemberUpdated
-	chatMember       *ChatMemberUpdated
+	myChatMember     *ChatMemberUpdate
+	chatMember       *ChatMemberUpdate
 
 	lock  sync.RWMutex
 	store map[string]interface{}
@@ -204,7 +204,7 @@ func (c *nativeContext) PreCheckoutQuery() *PreCheckoutQuery {
 	return c.preCheckoutQuery
 }
 
-func (c *nativeContext) ChatMember() *ChatMemberUpdated {
+func (c *nativeContext) ChatMember() *ChatMemberUpdate {
 	switch {
 	case c.chatMember != nil:
 		return c.chatMember