implement /all

This commit is contained in:
2022-05-28 17:28:50 +03:00
parent 3abc04f84e
commit 286e034985
2 changed files with 108 additions and 100 deletions

1
.gitignore vendored Normal file
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@@ -0,0 +1 @@
.env

207
main.go
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@@ -5,129 +5,136 @@ import (
"gorm.io/driver/sqlite"
"gorm.io/gorm"
"gorm.io/gorm/clause"
"html"
"log"
"os"
"path"
"strings"
"time"
tb "gopkg.in/tucnak/telebot.v2"
tele "gopkg.in/telebot.v3"
)
type ChatUser struct {
ChatID int64 `gorm:"primaryKey"`
UserID int `gorm:"primaryKey"`
UserID int64 `gorm:"primaryKey"`
Username string
}
func main() {
db, err := gorm.Open(sqlite.Open("bot_db.db"), &gorm.Config{})
var DB *gorm.DB
func ConnectDB() {
var err error
DB, err = gorm.Open(sqlite.Open(path.Join("data", "db.sqlite3")), &gorm.Config{})
if err != nil {
panic("failed to connect database")
}
// Migrate the schema
err = db.AutoMigrate(&ChatUser{})
err = DB.AutoMigrate(&ChatUser{})
if err != nil {
panic("failed to migrate")
}
}
b, err := tb.NewBot(tb.Settings{
Token: os.Getenv("TOKEN"),
Poller: &tb.LongPoller{Timeout: 10 * time.Second},
func InitBot() *tele.Bot {
b, err := tele.NewBot(tele.Settings{
Token: os.Getenv("TELEGRAM_TOKEN"),
Poller: &tele.LongPoller{Timeout: 10 * time.Second},
})
if err != nil {
log.Fatal(err)
return
panic(err)
}
return b
}
b.Handle("/start", func(m *tb.Message) {
_, err := b.Send(
m.Sender, "Hey! I can help notify everyone 📢 in the group when someone needs them.\n"+
"Everyone who wishes to receive mentions needs to /in to opt-in. "+
"All opted-in users can then be mentioned using /all",
)
if err != nil {
log.Println(err)
return
}
})
b.Handle("/in", func(m *tb.Message) {
user := m.Sender
username := "anonymous"
if len(user.Username) > 0 {
username = user.Username
} else if len(user.FirstName) > 0 {
username = user.FirstName
}
db.Clauses(clause.OnConflict{
Columns: []clause.Column{{Name: "chat_id"}, {Name: "user_id"}},
DoUpdates: clause.AssignmentColumns([]string{"username"}),
}).Create(&ChatUser{ChatID: m.Chat.ID, UserID: user.ID, Username: username})
msg := fmt.Sprintf("Thanks for opting in %s", username)
_, err := b.Send(m.Chat, msg)
if err != nil {
log.Println("/in", err)
return
}
})
b.Handle("/all", func(m *tb.Message) {
var users []ChatUser
db.Find(&users, ChatUser{ChatID: m.Chat.ID})
var usersList []string
for _, chatUser := range users {
usersList = append(usersList, fmt.Sprintf("[yolo](tg://user?id=%v)", chatUser.UserID))
}
msg := strings.Join(usersList, " ")
if len(users) == 0 {
msg = "There are no users\\. To opt in type /in command"
}
_, err := b.Send(m.Chat, msg, tb.ModeMarkdownV2)
if err != nil {
log.Println("/all", err)
return
}
})
b.Handle("/out", func(m *tb.Message) {
db.Where("chat_id = ? and user_id = ?", m.Chat.ID, m.Sender.ID).Delete(&ChatUser{})
msg := fmt.Sprintf("You've been opted out %v", m.Sender.ID)
_, err := b.Send(m.Chat, msg)
if err != nil {
log.Println("/out", err)
return
}
})
b.Handle("/stats", func(m *tb.Message) {
var userCount int64
var chatCount int64
db.Model(&ChatUser{}).Distinct("user_id").Count(&userCount)
db.Model(&ChatUser{}).Distinct("chat_id").Count(&chatCount)
msg := fmt.Sprintf("Users: %5d\nChats: %5d", userCount, chatCount)
_, err := b.Send(m.Chat, msg)
if err != nil {
log.Println(err)
return
}
})
func main() {
ConnectDB()
b := InitBot()
b.Use(logger)
b.Handle("/start", handleStart)
b.Handle("/in", handleIn)
b.Handle("/out", handleOut)
b.Handle("/all", handleAll)
b.Handle("/stats", handleStats)
b.Start()
}
func logger(next tele.HandlerFunc) tele.HandlerFunc {
return func(c tele.Context) error {
log.Println("user", c.Sender().ID, "sent", c.Message().Text)
return next(c)
}
}
func handleStart(c tele.Context) error {
return c.Send("Hey! I can help notify everyone 📢 in the group when someone needs them. " +
"Everyone who wishes to receive mentions needs to /in to opt-in. " +
"All opted-in users can then be mentioned using /all")
}
func handleIn(c tele.Context) error {
username := extractUsername(c.Sender())
DB.Clauses(clause.OnConflict{
Columns: []clause.Column{{Name: "chat_id"}, {Name: "user_id"}},
DoUpdates: clause.AssignmentColumns([]string{"username"}),
}).Create(&ChatUser{ChatID: c.Message().Chat.ID, UserID: c.Sender().ID, Username: username})
return c.Send("Thanks for opting in " + username)
}
func extractUsername(m *tele.User) string {
if len(m.Username) > 0 {
return m.Username
}
if len(m.FirstName) > 0 {
return m.FirstName
}
return "anonymous"
}
func handleOut(c tele.Context) error {
DB.Where("chat_id = ? and user_id = ?", c.Chat().ID, c.Sender().ID).Delete(&ChatUser{})
msg := fmt.Sprintf("You've been opted out %v", extractUsername(c.Sender()))
return c.Send(msg)
}
func handleAll(c tele.Context) error {
var users []ChatUser
DB.Find(&users, ChatUser{ChatID: c.Chat().ID})
if len(users) == 0 {
return c.Send("There are no users. To opt in type /in command")
}
var mentions []string
for _, chatUser := range users {
croppedUsername := string([]rune(chatUser.Username)[:10])
mentions = append(mentions, fmt.Sprintf(`<a href="tg://user?id=%v">%v</a>`,
chatUser.UserID, html.EscapeString(croppedUsername)))
}
const chunkSize = 4
for i := 0; i < len(mentions); i += chunkSize {
end := i + chunkSize
if end > len(mentions) {
end = len(mentions)
}
err := c.Send(strings.Join(mentions[i:end], " "), tele.ModeHTML)
if err != nil {
return err
}
}
return nil
}
func handleStats(c tele.Context) error {
var userCount int64
var chatCount int64
var groupCount int64
DB.Model(&ChatUser{}).Distinct("user_id").Count(&userCount)
DB.Model(&ChatUser{}).Distinct("chat_id").Count(&chatCount)
DB.Model(&ChatUser{}).Select("count(*)").Group("chat_id").Having("count(*) > 1").Count(&groupCount)
msg := fmt.Sprintf("`Users: %6d\nChats: %6d\nGroups: %6d`", userCount, chatCount, groupCount)
return c.Send(msg, tele.ModeMarkdownV2)
}