From a78802a7dd5d01117efc1c62b6501265e275c21e Mon Sep 17 00:00:00 2001
From: Yiyang Kang <kkyy@kkyy.me>
Date: Mon, 21 Nov 2022 13:22:22 +0800
Subject: [PATCH 1/3] refactor: use Sender() instead of Update() to get user
 info

---
 bot.go | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/bot.go b/bot.go
index 5b0a49c..5142d73 100644
--- a/bot.go
+++ b/bot.go
@@ -11,12 +11,12 @@ import (
 	"git.gensokyo.cafe/kkyy/tgbot_misaka_5882f7/stats"
 )
 
-func isFromAdmin(upd tele.Update) bool {
-	if upd.Message == nil || upd.Message.Sender == nil {
+func isFromAdmin(sender *tele.User) bool {
+	if sender == nil {
 		return false
 	}
 
-	_, ok := config.AdminUIDs[upd.Message.Sender.ID]
+	_, ok := config.AdminUIDs[sender.ID]
 	return ok
 }
 
@@ -39,8 +39,7 @@ func initBot() (*tele.Bot, error) {
 }
 
 func handleStartCmd(c tele.Context) error {
-	upd := c.Update()
-	if !isFromAdmin(upd) {
+	if !isFromAdmin(c.Sender()) {
 		return c.Send("Hello, stranger :)")
 	}
 
@@ -48,8 +47,7 @@ func handleStartCmd(c tele.Context) error {
 }
 
 func handleTrafficCmd(c tele.Context) error {
-	upd := c.Update()
-	if !isFromAdmin(upd) {
+	if !isFromAdmin(c.Sender()) {
 		return nil
 	}
 

From a42cb2db322bc7af6323aca61266c4b7fe21b5f5 Mon Sep 17 00:00:00 2001
From: Yiyang Kang <kkyy@kkyy.me>
Date: Mon, 21 Nov 2022 13:43:00 +0800
Subject: [PATCH 2/3] feat: add /me and /chat command

---
 bot.go | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)

diff --git a/bot.go b/bot.go
index 5142d73..c5015c9 100644
--- a/bot.go
+++ b/bot.go
@@ -35,6 +35,9 @@ func initBot() (*tele.Bot, error) {
 	b.Handle("/start", handleStartCmd)
 	b.Handle("/traffic", handleTrafficCmd)
 
+	b.Handle("/me", handleUserInfoCmd)
+	b.Handle("/chat", handleChatInfoCmd)
+
 	return b, nil
 }
 
@@ -118,3 +121,56 @@ func fmtTraffic(r stats.VnstatTrafficRecord) string {
 
 	return fmt.Sprintf("%.2f GiB", float64(biggest)/1024/1024/1024)
 }
+
+func handleUserInfoCmd(c tele.Context) error {
+	u := c.Sender()
+	if u == nil {
+		return c.Reply("Unknown.")
+	}
+
+	replyText := []string{
+		`*User Info*`,
+		"```",
+		fmt.Sprintf(`ID:           %d`, u.ID),
+		fmt.Sprintf(`Username:     %s`, u.Username),
+		fmt.Sprintf(`FirstName:    %s`, u.FirstName),
+		fmt.Sprintf(`LastName:     %s`, u.LastName),
+		fmt.Sprintf(`LanguageCode: %s`, u.LanguageCode),
+		fmt.Sprintf(`IsBot:        %t`, u.IsBot),
+		fmt.Sprintf(`IsPremium:    %t`, u.IsPremium),
+		"```",
+	}
+	return c.Reply(strings.Join(replyText, "\n"), &tele.SendOptions{ParseMode: tele.ModeMarkdown})
+}
+
+func handleChatInfoCmd(c tele.Context) error {
+	chat := c.Chat()
+	if chat == nil {
+		return c.Reply("Unknown.")
+	}
+	loc := ""
+	if chat.ChatLocation != nil {
+		loc = chat.ChatLocation.Address
+	}
+
+	replyText := []string{
+		`*Chat Info*`,
+		"```",
+		fmt.Sprintf(`ID:               %d`, chat.ID),
+		fmt.Sprintf(`Type:             %s`, chat.Type),
+		fmt.Sprintf(`Title:            %s`, chat.Title),
+		fmt.Sprintf(`FirstName:        %s`, chat.FirstName),
+		fmt.Sprintf(`LastName:         %s`, chat.LastName),
+		fmt.Sprintf(`Username:         %s`, chat.Username),
+		fmt.Sprintf(`SlowMode:         %d`, chat.SlowMode),
+		fmt.Sprintf(`StickerSet:       %s`, chat.StickerSet),
+		fmt.Sprintf(`CanSetStickerSet: %t`, chat.CanSetStickerSet),
+		fmt.Sprintf(`LinkedChatID:     %d`, chat.LinkedChatID),
+		fmt.Sprintf(`ChatLocation:     %s`, loc),
+		fmt.Sprintf(`Private:          %t`, chat.Private),
+		fmt.Sprintf(`Protected:        %t`, chat.Protected),
+		fmt.Sprintf(`NoVoiceAndVideo:  %t`, chat.NoVoiceAndVideo),
+		"```",
+	}
+	return c.Reply(strings.Join(replyText, "\n"), &tele.SendOptions{ParseMode: tele.ModeMarkdown})
+}

From b429137d20490304ec7770632dd789aa28e231cc Mon Sep 17 00:00:00 2001
From: Yiyang Kang <kkyy@kkyy.me>
Date: Mon, 21 Nov 2022 13:43:21 +0800
Subject: [PATCH 3/3] build: update makefile

---
 Makefile | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index f86aeac..f5f96df 100644
--- a/Makefile
+++ b/Makefile
@@ -5,6 +5,9 @@ pack: build
 	tar --owner root --group root -c tgbot_misaka_5882f7 | zstdmt -15v > tgbot_misaka_5882f7.tar.zst
 
 send: pack
-	wh send tgbot_misaka_5882f7.tar.zst
+	wh send tgbot_misaka_5882f7.tar.zst --force-relay
 
-.PHONY: build pack send
+clean:
+	rm -f tgbot_misaka_5882f7 tgbot_misaka_5882f7.*
+
+.PHONY: build pack send clean