telegram-ollama-reply-bot/bot/bot.go
Alexey Skobkin c4665338db
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Changing default model to LLaMa3 (#22)
Changing default model to LLaMa3

Reviewed-on: #22
2024-05-06 00:15:36 +00:00

354 lines
8.1 KiB
Go

package bot
import (
"errors"
"github.com/mymmrac/telego"
th "github.com/mymmrac/telego/telegohandler"
tu "github.com/mymmrac/telego/telegoutil"
"log/slog"
"strings"
"telegram-ollama-reply-bot/extractor"
"telegram-ollama-reply-bot/llm"
"telegram-ollama-reply-bot/stats"
)
var (
ErrGetMe = errors.New("cannot retrieve api user")
ErrUpdatesChannel = errors.New("cannot get updates channel")
ErrHandlerInit = errors.New("cannot initialize handler")
)
type Bot struct {
api *telego.Bot
llm *llm.LlmConnector
extractor *extractor.Extractor
stats *stats.Stats
markdownV1Replacer *strings.Replacer
}
func NewBot(api *telego.Bot, llm *llm.LlmConnector, extractor *extractor.Extractor) *Bot {
return &Bot{
api: api,
llm: llm,
extractor: extractor,
stats: stats.NewStats(),
markdownV1Replacer: strings.NewReplacer(
// https://core.telegram.org/bots/api#markdown-style
"_", "\\_",
//"*", "\\*",
//"`", "\\`",
//"[", "\\[",
),
}
}
func (b *Bot) Run() error {
botUser, err := b.api.GetMe()
if err != nil {
slog.Error("Cannot retrieve api user", "error", err)
return ErrGetMe
}
slog.Info("Running api as", "id", botUser.ID, "username", botUser.Username, "name", botUser.FirstName, "is_bot", botUser.IsBot)
updates, err := b.api.UpdatesViaLongPolling(nil)
if err != nil {
slog.Error("Cannot get update channel", "error", err)
return ErrUpdatesChannel
}
bh, err := th.NewBotHandler(b.api, updates)
if err != nil {
slog.Error("Cannot initialize bot handler", "error", err)
return ErrHandlerInit
}
defer bh.Stop()
defer b.api.StopLongPolling()
// Middlewares
bh.Use(b.chatTypeStatsCounter)
// Command handlers
bh.Handle(b.startHandler, th.CommandEqual("start"))
bh.Handle(b.heyHandler, th.CommandEqual("hey"))
bh.Handle(b.summarizeHandler, th.CommandEqual("summarize"))
bh.Handle(b.statsHandler, th.CommandEqual("stats"))
bh.Handle(b.helpHandler, th.CommandEqual("help"))
// Inline query handlers
bh.Handle(b.inlineHandler, th.AnyInlineQuery())
bh.Start()
return nil
}
func (b *Bot) inlineHandler(bot *telego.Bot, update telego.Update) {
iq := update.InlineQuery
slog.Info("inline query received", "query", iq.Query)
slog.Debug("query", "query", iq)
if len(iq.Query) < 3 {
return
}
b.stats.InlineQuery()
queryParts := strings.SplitN(iq.Query, " ", 2)
if len(queryParts) < 1 {
slog.Debug("Empty query. Skipping.")
return
}
var response *telego.AnswerInlineQueryParams
switch isValidAndAllowedUrl(queryParts[0]) {
case true:
slog.Info("Inline /summarize request", "url", queryParts[0])
b.stats.SummarizeRequest()
article, err := b.extractor.GetArticleFromUrl(queryParts[0])
if err != nil {
slog.Error("Cannot retrieve an article using extractor", "error", err)
}
llmReply, err := b.llm.Summarize(article.Text, llm.ModelLlama3Uncensored )
if err != nil {
slog.Error("Cannot get reply from LLM connector")
b.trySendInlineQueryError(iq, "LLM request error. Try again later.")
return
}
slog.Debug("Got completion. Going to send.", "llm-completion", llmReply)
response = tu.InlineQuery(
iq.ID,
tu.ResultArticle(
"reply_"+iq.ID,
"Summary for "+queryParts[0],
tu.TextMessage(b.escapeMarkdownV1Symbols(llmReply)).WithParseMode("Markdown"),
),
)
case false:
b.stats.HeyRequest()
slog.Info("Inline /hey request", "text", iq.Query)
requestContext := createLlmRequestContextFromUpdate(update)
llmReply, err := b.llm.HandleSingleRequest(iq.Query, llm.ModelLlama3Uncensored, requestContext)
if err != nil {
slog.Error("Cannot get reply from LLM connector")
b.trySendInlineQueryError(iq, "LLM request error. Try again later.")
return
}
slog.Debug("Got completion. Going to send.", "llm-completion", llmReply)
response = tu.InlineQuery(
iq.ID,
tu.ResultArticle(
"reply_"+iq.ID,
"LLM reply to\""+iq.Query+"\"",
tu.TextMessage(b.escapeMarkdownV1Symbols(llmReply)).WithParseMode("Markdown"),
),
)
}
err := bot.AnswerInlineQuery(response)
if err != nil {
slog.Error("Can't answer to inline query", "error", err)
b.trySendInlineQueryError(iq, "Couldn't send intended reply, sorry")
}
}
func (b *Bot) heyHandler(bot *telego.Bot, update telego.Update) {
slog.Info("/hey", "message-text", update.Message.Text)
b.stats.HeyRequest()
parts := strings.SplitN(update.Message.Text, " ", 2)
userMessage := "Hey!"
if len(parts) == 2 {
userMessage = parts[1]
}
chatID := tu.ID(update.Message.Chat.ID)
b.sendTyping(chatID)
requestContext := createLlmRequestContextFromUpdate(update)
llmReply, err := b.llm.HandleSingleRequest(userMessage, llm.ModelLlama3Uncensored, requestContext)
if err != nil {
slog.Error("Cannot get reply from LLM connector")
_, _ = b.api.SendMessage(b.reply(update.Message, tu.Message(
chatID,
"LLM request error. Try again later.",
)))
return
}
slog.Debug("Got completion. Going to send.", "llm-completion", llmReply)
message := tu.Message(
chatID,
b.escapeMarkdownV1Symbols(llmReply),
).WithParseMode("Markdown")
_, err = bot.SendMessage(b.reply(update.Message, message))
if err != nil {
slog.Error("Can't send reply message", "error", err)
b.trySendReplyError(update.Message)
}
}
func (b *Bot) summarizeHandler(bot *telego.Bot, update telego.Update) {
slog.Info("/summarize", "message-text", update.Message.Text)
b.stats.SummarizeRequest()
chatID := tu.ID(update.Message.Chat.ID)
b.sendTyping(chatID)
args := strings.SplitN(update.Message.Text, " ", 2)
if len(args) < 2 {
_, _ = bot.SendMessage(tu.Message(
tu.ID(update.Message.Chat.ID),
"Usage: /summarize <link>\r\n\r\n"+
"Example:\r\n"+
"/summarize https://kernel.org/get-notifications-for-your-patches.html",
))
return
}
if !isValidAndAllowedUrl(args[1]) {
slog.Error("Provided text is not a valid URL", "text", args[1])
_, _ = b.api.SendMessage(b.reply(update.Message, tu.Message(
chatID,
"URL is not valid.",
)))
return
}
article, err := b.extractor.GetArticleFromUrl(args[1])
if err != nil {
slog.Error("Cannot retrieve an article using extractor", "error", err)
}
llmReply, err := b.llm.Summarize(article.Text, llm.ModelLlama3Uncensored)
if err != nil {
slog.Error("Cannot get reply from LLM connector")
_, _ = b.api.SendMessage(b.reply(update.Message, tu.Message(
chatID,
"LLM request error. Try again later.",
)))
return
}
slog.Debug("Got completion. Going to send.", "llm-completion", llmReply)
message := tu.Message(
chatID,
b.escapeMarkdownV1Symbols(llmReply),
).WithParseMode("Markdown")
_, err = bot.SendMessage(b.reply(update.Message, message))
if err != nil {
slog.Error("Can't send reply message", "error", err)
b.trySendReplyError(update.Message)
}
}
func (b *Bot) helpHandler(bot *telego.Bot, update telego.Update) {
slog.Info("/help")
chatID := tu.ID(update.Message.Chat.ID)
b.sendTyping(chatID)
_, err := bot.SendMessage(b.reply(update.Message, tu.Messagef(
chatID,
"Instructions:\r\n"+
"/hey <text> - Ask something from LLM\r\n"+
"/summarize <link> - Summarize text from the provided link\r\n"+
"/help - Show this help",
)))
if err != nil {
slog.Error("Cannot send a message", "error", err)
b.trySendReplyError(update.Message)
}
}
func (b *Bot) startHandler(bot *telego.Bot, update telego.Update) {
slog.Info("/start")
chatID := tu.ID(update.Message.Chat.ID)
b.sendTyping(chatID)
_, err := bot.SendMessage(b.reply(update.Message, tu.Message(
chatID,
"Hey!\r\n"+
"Check out /help to learn how to use this bot.",
)))
if err != nil {
slog.Error("Cannot send a message", "error", err)
b.trySendReplyError(update.Message)
}
}
func (b *Bot) statsHandler(bot *telego.Bot, update telego.Update) {
slog.Info("/stats")
chatID := tu.ID(update.Message.Chat.ID)
b.sendTyping(chatID)
_, err := bot.SendMessage(b.reply(update.Message, tu.Message(
chatID,
"Current bot stats:\r\n"+
"```json\r\n"+
b.stats.String()+"\r\n"+
"```",
)).WithParseMode("Markdown"))
if err != nil {
slog.Error("Cannot send a message", "error", err)
b.trySendReplyError(update.Message)
}
}
func (b *Bot) escapeMarkdownV1Symbols(input string) string {
return b.markdownV1Replacer.Replace(input)
}