/
bot.go
148 lines (114 loc) · 2.83 KB
/
bot.go
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package main
import (
"bytes"
"fmt"
"log"
"strings"
"time"
tb "gopkg.in/tucnak/telebot.v2"
)
const maxChangesPerMessage = 10
const incrementChar = "+"
const decrementChar = "-"
func initBot(db Connection) {
b, err := tb.NewBot(tb.Settings{
Token: "",
Poller: &tb.LongPoller{Timeout: 10 * time.Second},
})
if err != nil {
log.Fatal(err)
return
}
b.Handle("/list", func(m *tb.Message) {
users := db.getAllRecords()
var buffer bytes.Buffer
for index := 0; index < len(users); index++ {
user := users[index]
formatted := fmt.Sprintf(" - *%s*: _%d_\n", user.ID, user.Karma)
buffer.WriteString(formatted)
}
_, err := b.Send(m.Chat, buffer.String(), tb.ModeMarkdown)
if err != nil {
fmt.Printf("%s", err)
}
})
b.Handle("/self", func(m *tb.Message) {
user := db.get(m.Sender.Username)
formatted := fmt.Sprintf("@%s: *%d*", user.ID, user.Karma)
_, err := b.Send(m.Chat, formatted, tb.ModeMarkdown)
if err != nil {
fmt.Printf("%s", err)
}
})
b.Handle(tb.OnText, func(m *tb.Message) {
if len(m.Entities) != 1 {
println("You have to do it one at a time")
return
}
if len(m.Text) > 50 {
m.Text = m.Text[0:50]
}
if m.Entities[0].Type == tb.EntityMention {
name := getUserName(*m)
amount := calcKarmaChanges(m.Text)
if amount == 0 {
return
}
if name == strings.Replace(m.Sender.Username, "@", "", 1) {
printSelfMessage(m.Chat, b)
setKarma(name, -1, m.Chat, db, b)
return
}
setKarma(name, amount, m.Chat, db, b)
}
})
b.Start()
}
func printSelfMessage(chat *tb.Chat, b *tb.Bot) {
b.Send(chat, "You cannot change your own karma", tb.ModeMarkdown)
}
func setKarma(name string, amount int, chat *tb.Chat, db Connection, b *tb.Bot) {
var verb string
if amount > 0 {
verb = "increased"
} else {
verb = "decreased"
}
db.updateKarma(name, amount)
newKarma := db.get(name).Karma
formatted := fmt.Sprintf("*%s* karma has %s to _%d_ (%d)", verb, name, newKarma, amount)
_, err := b.Send(chat, formatted, tb.ModeMarkdown)
if err != nil {
fmt.Printf("%s", err)
}
}
func calcKarmaChanges(message string) int {
change := 0
msg := strings.Split(message, "")
for _, letter := range msg {
if letter == incrementChar {
change++
}
if letter == decrementChar {
change--
}
}
if change <= maxChangesPerMessage && change >= -maxChangesPerMessage {
return change
}
if change <= -maxChangesPerMessage {
return -maxChangesPerMessage
}
return maxChangesPerMessage
}
func getUserName(m tb.Message) string {
var name string
for index := 0; index < len(m.Entities); index++ {
entity := m.Entities[index]
name = strings.Split(m.Text, " ")[entity.Offset]
}
// TODO: Fix this shit
name = strings.Replace(name, decrementChar, "", 1000)
name = strings.Replace(name, incrementChar, "", 1000)
return strings.Replace(name, "@", "", 10)
}