skobkin/telegram-ollama-reply-bot
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Chat history and context improvements #35

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skobkin merged 3 commits from fix_quoted_messages_usernames_context into main 2024-11-03 22:28:40 +00:00
Conversation 0 Commits 3 Files changed 5 +146 -57
5 changed files with 146 additions and 57 deletions
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Showing only changes of commit 093372dd91 - Show all commits

10
bot/bot.go
View file

@ -129,7 +129,7 @@ func (b *Bot) textMessageHandler(bot *telego.Bot, update telego.Update) {
slog.Info("/any-message", "type", "private")
b.processMention(message)
default:
slog.Debug("/any-message", "info", "Message is not mention, reply or private chat. Skipping.")
slog.Debug("/any-message", "info", "MessageData is not mention, reply or private chat. Skipping.")
}
}
@ -144,7 +144,13 @@ func (b *Bot) processMention(message *telego.Message) {
requestContext := b.createLlmRequestContextFromMessage(message)
llmReply, err := b.llm.HandleChatMessage(message.Text, b.models.TextRequestModel, requestContext)
userMessageData := tgUserMessageToMessageData(message)
llmReply, err := b.llm.HandleChatMessage(
messageDataToLlmMessage(userMessageData),
b.models.TextRequestModel,
requestContext,
)
if err != nil {
slog.Error("Cannot get reply from LLM connector")

68
bot/message_history.go
View file

@ -7,25 +7,28 @@ import (
const HistoryLength = 150
type Message struct {
type MessageData struct {
Name string
Username string
Text string
IsMe bool
IsUserRequest bool
ReplyTo *MessageData
}
type MessageRingBuffer struct {
messages []Message
messages []MessageData
capacity int
}
func NewMessageBuffer(capacity int) *MessageRingBuffer {
return &MessageRingBuffer{
messages: make([]Message, 0, capacity),
messages: make([]MessageData, 0, capacity),
capacity: capacity,
}
}
func (b *MessageRingBuffer) Push(element Message) {
func (b *MessageRingBuffer) Push(element MessageData) {
if len(b.messages) >= b.capacity {
b.messages = b.messages[1:]
}
@ -33,7 +36,7 @@ func (b *MessageRingBuffer) Push(element Message) {
b.messages = append(b.messages, element)
}
func (b *MessageRingBuffer) GetAll() []Message {
func (b *MessageRingBuffer) GetAll() []MessageData {
return b.messages
}
@ -53,14 +56,12 @@ func (b *Bot) saveChatMessageToHistory(message *telego.Message) {
b.history[chatId] = NewMessageBuffer(HistoryLength)
}
b.history[chatId].Push(Message{
Name: message.From.FirstName,
Text: message.Text,
IsMe: false,
})
msgData := tgUserMessageToMessageData(message)
b.history[chatId].Push(msgData)
}
func (b *Bot) saveBotReplyToHistory(message *telego.Message, reply string) {
func (b *Bot) saveBotReplyToHistory(message *telego.Message, text string) {
chatId := message.Chat.ID
slog.Info(
@ -68,7 +69,7 @@ func (b *Bot) saveBotReplyToHistory(message *telego.Message, reply string) {
"chat", chatId,
"to_id", message.From.ID,
"to_name", message.From.FirstName,
"text", reply,
"text", text,
)
_, ok := b.history[chatId]
@ -76,17 +77,48 @@ func (b *Bot) saveBotReplyToHistory(message *telego.Message, reply string) {
b.history[chatId] = NewMessageBuffer(HistoryLength)
}
b.history[chatId].Push(Message{
Name: b.profile.Username,
Text: reply,
msgData := MessageData{
Name: b.profile.Name,
Username: b.profile.Username,
Text: text,
IsMe: true,
})
}
func (b *Bot) getChatHistory(chatId int64) []Message {
if message.ReplyToMessage != nil {
replyMessage := message.ReplyToMessage
msgData.ReplyTo = &MessageData{
Name: replyMessage.From.FirstName,
Username: replyMessage.From.Username,
Text: replyMessage.Text,
IsMe: false,
ReplyTo: nil,
}
}
b.history[chatId].Push(msgData)
}
func tgUserMessageToMessageData(message *telego.Message) MessageData {
msgData := MessageData{
Name: message.From.FirstName,
Username: message.From.Username,
Text: message.Text,
IsMe: false,
}
if message.ReplyToMessage != nil {
replyData := tgUserMessageToMessageData(message.ReplyToMessage)
msgData.ReplyTo = &replyData
}
return msgData
}
func (b *Bot) getChatHistory(chatId int64) []MessageData {
_, ok := b.history[chatId]
if !ok {
return make([]Message, 0)
return make([]MessageData, 0)
}
return b.history[chatId].GetAll()

24
bot/request_context.go
View file

@ -48,17 +48,14 @@ func (b *Bot) createLlmRequestContextFromMessage(message *telego.Message) llm.Re
return rc
}
func historyToLlmMessages(history []Message) []llm.ChatMessage {
func historyToLlmMessages(history []MessageData) []llm.ChatMessage {
length := len(history)
if length > 0 {
result := make([]llm.ChatMessage, 0, length)
for _, msg := range history {
result = append(result, llm.ChatMessage{
Name: msg.Name,
Text: msg.Text,
})
result = append(result, messageDataToLlmMessage(msg))
}
return result
@ -66,3 +63,20 @@ func historyToLlmMessages(history []Message) []llm.ChatMessage {
return make([]llm.ChatMessage, 0)
}
func messageDataToLlmMessage(data MessageData) llm.ChatMessage {
llmMessage := llm.ChatMessage{
Name: data.Name,
Username: data.Username,
Text: data.Text,
IsMe: data.IsMe,
IsUserRequest: data.IsUserRequest,
}
if data.ReplyTo != nil {
replyMessage := messageDataToLlmMessage(*data.ReplyTo)
llmMessage.ReplyTo = &replyMessage
}
return llmMessage
}

28
llm/llm.go
View file

@ -6,7 +6,6 @@ import (
"github.com/sashabaranov/go-openai"
"log/slog"
"strconv"
"strings"
)
var (
@ -29,7 +28,7 @@ func NewConnector(baseUrl string, token string) *LlmConnector {
}
}
func (l *LlmConnector) HandleChatMessage(text string, model string, requestContext RequestContext) (string, error) {
func (l *LlmConnector) HandleChatMessage(userMessage ChatMessage, model string, requestContext RequestContext) (string, error) {
systemPrompt := "You're a bot in the Telegram chat.\n" +
"You're using a free model called \"" + model + "\".\n\n" +
requestContext.Prompt()
@ -52,28 +51,11 @@ func (l *LlmConnector) HandleChatMessage(text string, model string, requestConte
if historyLength > 0 {
for _, msg := range requestContext.Chat.History {
var msgRole string
var msgText string
if msg.IsMe {
msgRole = openai.ChatMessageRoleAssistant
msgText = msg.Text
} else {
msgRole = openai.ChatMessageRoleSystem
msgText = "User " + msg.Name + " said:\n" + msg.Text
}
req.Messages = append(req.Messages, openai.ChatCompletionMessage{
Role: msgRole,
Content: msgText,
})
req.Messages = append(req.Messages, chatMessageToOpenAiChatCompletionMessage(msg))
}
}
req.Messages = append(req.Messages, openai.ChatCompletionMessage{
Role: openai.ChatMessageRoleUser,
Content: text,
})
req.Messages = append(req.Messages, chatMessageToOpenAiChatCompletionMessage(userMessage))
resp, err := l.client.CreateChatCompletion(context.Background(), req)
if err != nil {
@ -164,7 +146,3 @@ func (l *LlmConnector) HasModel(id string) bool {
return false
}
func quoteMessage(text string) string {
return "> " + strings.ReplaceAll(text, "\n", "\n> ")
}

59
llm/request_context.go
View file

@ -1,5 +1,10 @@
package llm
import (
"github.com/sashabaranov/go-openai"
"strings"
)
type RequestContext struct {
Empty bool
User UserContext
@ -22,8 +27,11 @@ type ChatContext struct {
type ChatMessage struct {
Name string
Username string
Text string
IsMe bool
IsUserRequest bool
ReplyTo *ChatMessage
}
func (c RequestContext) Prompt() string {
@ -62,3 +70,54 @@ func (c RequestContext) Prompt() string {
return prompt
}
func chatMessageToOpenAiChatCompletionMessage(message ChatMessage) openai.ChatCompletionMessage {
var msgRole string
var msgText string
switch {
case message.IsMe:
msgRole = openai.ChatMessageRoleAssistant
case message.IsUserRequest:
msgRole = openai.ChatMessageRoleUser
default:
msgRole = openai.ChatMessageRoleSystem
}
if message.IsMe {
msgText = message.Text
} else {
msgText = chatMessageToText(message)
}
return openai.ChatCompletionMessage{
Role: msgRole,
Content: msgText,
}
}
func chatMessageToText(message ChatMessage) string {
var msgText string
if message.ReplyTo == nil {
msgText += "In reply to:"
msgText += quoteText(presentUserMessageAsText(*message.ReplyTo)) + "\n\n"
}
msgText += presentUserMessageAsText(message)
return msgText
}
func presentUserMessageAsText(message ChatMessage) string {
result := message.Name
if message.Username != "" {
result += " (@" + message.Username + ")"
}
result += " wrote:\n" + message.Text
return result
}
func quoteText(text string) string {
return "> " + strings.ReplaceAll(text, "\n", "\n> ")
}