bot/bot.go

@@ -30,7 +30,7 @@ type Bot struct {
 	extractor *extractor.Extractor
 	stats     *stats.Stats
 	models    ModelSelection
-	history   map[int64]*MessageHistory
+	history   map[int64]*MessageRingBuffer
 	profile   BotInfo
 
 	markdownV1Replacer *strings.Replacer
@@ -48,7 +48,7 @@ func NewBot(
 		extractor: extractor,
 		stats:     stats.NewStats(),
 		models:    models,
-		history:   make(map[int64]*MessageHistory),
+		history:   make(map[int64]*MessageRingBuffer),
 		profile:   BotInfo{0, "", ""},
 
 		markdownV1Replacer: strings.NewReplacer(
@@ -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", "MessageData is not mention, reply or private chat. Skipping.")
+		slog.Debug("/any-message", "info", "Message is not mention, reply or private chat. Skipping.")
 	}
 }
 
@@ -144,13 +144,7 @@ func (b *Bot) processMention(message *telego.Message) {
 
 	requestContext := b.createLlmRequestContextFromMessage(message)
 
-	userMessageData := tgUserMessageToMessageData(message)
-
-	llmReply, err := b.llm.HandleChatMessage(
-		messageDataToLlmMessage(userMessageData),
-		b.models.TextRequestModel,
-		requestContext,
-	)
+	llmReply, err := b.llm.HandleChatMessage(message.Text, b.models.TextRequestModel, requestContext)
 	if err != nil {
 		slog.Error("Cannot get reply from LLM connector")
 
@@ -233,11 +227,9 @@ func (b *Bot) summarizeHandler(bot *telego.Bot, update telego.Update) {
 
 	slog.Debug("Got completion. Going to send.", "llm-completion", llmReply)
 
-	replyMarkdown := b.escapeMarkdownV1Symbols(llmReply)
-
 	message := tu.Message(
 		chatID,
-		replyMarkdown,
+		b.escapeMarkdownV1Symbols(llmReply),
 	).WithParseMode("Markdown")
 
 	_, err = bot.SendMessage(b.reply(update.Message, message))
@@ -247,8 +239,6 @@ func (b *Bot) summarizeHandler(bot *telego.Bot, update telego.Update) {
 
 		b.trySendReplyError(update.Message)
 	}
-
-	b.saveBotReplyToHistory(update.Message, replyMarkdown)
 }
 
 func (b *Bot) helpHandler(bot *telego.Bot, update telego.Update) {

bot/message_history.go

@@ -7,28 +7,25 @@ import (
 
 const HistoryLength = 150
 
-type MessageData struct {
+type Message struct {
 	Name string
-	Username      string
 	Text string
 	IsMe bool
-	IsUserRequest bool
-	ReplyTo       *MessageData
 }
 
-type MessageHistory struct {
-	messages []MessageData
+type MessageRingBuffer struct {
+	messages []Message
 	capacity int
 }
 
-func NewMessageHistory(capacity int) *MessageHistory {
-	return &MessageHistory{
-		messages: make([]MessageData, 0, capacity),
+func NewMessageBuffer(capacity int) *MessageRingBuffer {
+	return &MessageRingBuffer{
+		messages: make([]Message, 0, capacity),
 		capacity: capacity,
 	}
 }
 
-func (b *MessageHistory) Push(element MessageData) {
+func (b *MessageRingBuffer) Push(element Message) {
 	if len(b.messages) >= b.capacity {
 		b.messages = b.messages[1:]
 	}
@@ -36,7 +33,7 @@ func (b *MessageHistory) Push(element MessageData) {
 	b.messages = append(b.messages, element)
 }
 
-func (b *MessageHistory) GetAll() []MessageData {
+func (b *MessageRingBuffer) GetAll() []Message {
 	return b.messages
 }
 
@@ -53,72 +50,43 @@ func (b *Bot) saveChatMessageToHistory(message *telego.Message) {
 
 	_, ok := b.history[chatId]
 	if !ok {
-		b.history[chatId] = NewMessageHistory(HistoryLength)
+		b.history[chatId] = NewMessageBuffer(HistoryLength)
 	}
 
-	msgData := tgUserMessageToMessageData(message)
-
-	b.history[chatId].Push(msgData)
+	b.history[chatId].Push(Message{
+		Name: message.From.FirstName,
+		Text: message.Text,
+		IsMe: false,
+	})
 }
 
-func (b *Bot) saveBotReplyToHistory(replyTo *telego.Message, text string) {
-	chatId := replyTo.Chat.ID
+func (b *Bot) saveBotReplyToHistory(message *telego.Message, reply string) {
+	chatId := message.Chat.ID
 
 	slog.Info(
 		"history-reply-save",
 		"chat", chatId,
-		"to_id", replyTo.From.ID,
-		"to_name", replyTo.From.FirstName,
-		"text", text,
+		"to_id", message.From.ID,
+		"to_name", message.From.FirstName,
+		"text", reply,
 	)
 
 	_, ok := b.history[chatId]
 	if !ok {
-		b.history[chatId] = NewMessageHistory(HistoryLength)
+		b.history[chatId] = NewMessageBuffer(HistoryLength)
 	}
 
-	msgData := MessageData{
-		Name:     b.profile.Name,
-		Username: b.profile.Username,
-		Text:     text,
+	b.history[chatId].Push(Message{
+		Name: b.profile.Username,
+		Text: reply,
 		IsMe: true,
+	})
 }
 
-	if replyTo.ReplyToMessage != nil {
-		replyMessage := replyTo.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 {
+func (b *Bot) getChatHistory(chatId int64) []Message {
 	_, ok := b.history[chatId]
 	if !ok {
-		return make([]MessageData, 0)
+		return make([]Message, 0)
 	}
 
 	return b.history[chatId].GetAll()

bot/request_context.go

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

llm/llm.go

@@ -6,6 +6,7 @@ import (
 	"github.com/sashabaranov/go-openai"
 	"log/slog"
 	"strconv"
+	"strings"
 )
 
 var (
@@ -28,7 +29,7 @@ func NewConnector(baseUrl string, token string) *LlmConnector {
 	}
 }
 
-func (l *LlmConnector) HandleChatMessage(userMessage ChatMessage, model string, requestContext RequestContext) (string, error) {
+func (l *LlmConnector) HandleChatMessage(text string, 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()
@@ -51,11 +52,28 @@ func (l *LlmConnector) HandleChatMessage(userMessage ChatMessage, model string,
 
 	if historyLength > 0 {
 		for _, msg := range requestContext.Chat.History {
-			req.Messages = append(req.Messages, chatMessageToOpenAiChatCompletionMessage(msg))
+			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(userMessage))
+	req.Messages = append(req.Messages, openai.ChatCompletionMessage{
+		Role:    openai.ChatMessageRoleUser,
+		Content: text,
+	})
 
 	resp, err := l.client.CreateChatCompletion(context.Background(), req)
 	if err != nil {
@@ -146,3 +164,7 @@ func (l *LlmConnector) HasModel(id string) bool {
 
 	return false
 }
+
+func quoteMessage(text string) string {
+	return "> " + strings.ReplaceAll(text, "\n", "\n> ")
+}

llm/request_context.go

@@ -1,10 +1,5 @@
 package llm
 
-import (
-	"github.com/sashabaranov/go-openai"
-	"strings"
-)
-
 type RequestContext struct {
 	Empty bool
 	User  UserContext
@@ -27,11 +22,8 @@ type ChatContext struct {
 
 type ChatMessage struct {
 	Name string
-	Username      string
 	Text string
 	IsMe bool
-	IsUserRequest bool
-	ReplyTo       *ChatMessage
 }
 
 func (c RequestContext) Prompt() string {
@@ -70,54 +62,3 @@ 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> ")
-}