Enhance chat functionality by adding message memory and context for improved responses

.vscode/settings.json

@@ -37,6 +37,7 @@
         "testpaths",
         "thelovinator",
         "tobytes",
+        "twimg",
         "unsignedinteger"
     ]
 }

main.py

@@ -15,7 +15,7 @@ import sentry_sdk
 from discord import app_commands
 from openai import OpenAI
 
-from misc import chat, get_allowed_users
+from misc import add_message_to_memory, chat, get_allowed_users
 from settings import Settings
 
 sentry_sdk.init(
@@ -74,14 +74,17 @@ class LoviBotClient(discord.Client):
             logger.info("No message content found in the event: %s", message)
             return
 
+        # Add the message to memory
+        add_message_to_memory(str(message.channel.id), message.author.name, incoming_message)
+
         lowercase_message: str = incoming_message.lower() if incoming_message else ""
-        trigger_keywords: list[str] = ["lovibot", "<@345000831499894795>"]
+        trigger_keywords: list[str] = ["lovibot", "@lovibot", "<@345000831499894795>", "grok", "@grok"]
         if any(trigger in lowercase_message for trigger in trigger_keywords):
             logger.info("Received message: %s from: %s", incoming_message, message.author.name)
 
             async with message.channel.typing():
                 try:
-                    response: str | None = chat(incoming_message, openai_client)
+                    response: str | None = chat(incoming_message, openai_client, str(message.channel.id))
                 except openai.OpenAIError as e:
                     logger.exception("An error occurred while chatting with the AI model.")
                     e.add_note(f"Message: {incoming_message}\nEvent: {message}\nWho: {message.author.name}")
@@ -167,7 +170,7 @@ async def ask(interaction: discord.Interaction, text: str) -> None:
         return
 
     try:
-        response: str | None = chat(text, openai_client)
+        response: str | None = chat(text, openai_client, str(interaction.channel_id))
     except openai.OpenAIError as e:
         logger.exception("An error occurred while chatting with the AI model.")
         await interaction.followup.send(f"An error occurred: {e}")
@@ -343,6 +346,8 @@ def extract_image_url(message: discord.Message) -> str | None:
     the function searches the message content for any direct links ending in
     common image file extensions (e.g., .png, .jpg, .jpeg, .gif, .webp).
 
+    Additionally, it handles Twitter image URLs and normalizes them to a standard format.
+
     Args:
         message (discord.Message): The message from which to extract the image URL.
 
@@ -364,12 +369,16 @@ def extract_image_url(message: discord.Message) -> str | None:
 
     if not image_url:
         match: re.Match[str] | None = re.search(
-            pattern=r"(https?://[^\s]+(\.png|\.jpg|\.jpeg|\.gif|\.webp))",
+            r"(https?://[^\s]+\.(png|jpg|jpeg|gif|webp)(\?[^\s]*)?)", message.content, re.IGNORECASE
-            string=message.content,
-            flags=re.IGNORECASE,
         )
         if match:
             image_url = match.group(0)
+
+    # Handle Twitter image URLs
+    if image_url and "pbs.twimg.com/media/" in image_url:
+        # Normalize Twitter image URLs to the highest quality format
+        image_url = re.sub(r"\?format=[^&]+&name=[^&]+", "?format=jpg&name=orig", image_url)
+
     return image_url
 
 

misc.py

@@ -1,6 +1,8 @@
 from __future__ import annotations
 
+import datetime
 import logging
+from collections import deque
 from typing import TYPE_CHECKING
 
 if TYPE_CHECKING:
@@ -10,6 +12,9 @@ if TYPE_CHECKING:
 
 logger: logging.Logger = logging.getLogger(__name__)
 
+# A dictionary to store recent messages per channel with a maximum length per channel
+recent_messages: dict[str, deque[tuple[str, str, datetime.datetime]]] = {}
+
 
 def get_allowed_users() -> list[str]:
     """Get the list of allowed users to interact with the bot.
@@ -27,25 +32,65 @@ def get_allowed_users() -> list[str]:
     ]
 
 
-def chat(user_message: str, openai_client: OpenAI) -> str | None:
+def add_message_to_memory(channel_id: str, user: str, message: str) -> None:
+    """Add a message to the memory for a specific channel.
+
+    Args:
+        channel_id: The ID of the channel where the message was sent.
+        user: The user who sent the message.
+        message: The content of the message.
+    """
+    if channel_id not in recent_messages:
+        recent_messages[channel_id] = deque(maxlen=50)
+
+    timestamp: datetime.datetime = datetime.datetime.now(tz=datetime.UTC)
+    recent_messages[channel_id].append((user, message, timestamp))
+
+    logger.info("Added message to memory: %s from %s in channel %s", message, user, channel_id)
+
+
+def get_recent_messages(channel_id: str, threshold_minutes: int = 10) -> list[tuple[str, str]]:
+    """Retrieve messages from the last `threshold_minutes` minutes for a specific channel.
+
+    Args:
+        channel_id: The ID of the channel to retrieve messages for.
+        threshold_minutes: The number of minutes to consider messages as recent.
+
+    Returns:
+        A list of tuples containing user and message content.
+    """
+    if channel_id not in recent_messages:
+        return []
+
+    threshold: datetime.datetime = datetime.datetime.now(tz=datetime.UTC) - datetime.timedelta(
+        minutes=threshold_minutes
+    )
+    return [(user, message) for user, message, timestamp in recent_messages[channel_id] if timestamp > threshold]
+
+
+def chat(user_message: str, openai_client: OpenAI, channel_id: str) -> str | None:
     """Chat with the bot using the OpenAI API.
 
     Args:
         user_message: The message to send to OpenAI.
         openai_client: The OpenAI client to use.
+        channel_id: The ID of the channel where the conversation is happening.
 
     Returns:
         The response from the AI model.
     """
+    # Include recent messages in the prompt
+    recent_context: str = "\n".join([f"{user}: {message}" for user, message in get_recent_messages(channel_id)])
+    prompt: str = (
+        "You are in a Discord group chat. People can ask you questions. "
+        "Use Discord Markdown to format messages if needed.\n"
+        f"Recent context:\n{recent_context}\n"
+        f"User: {user_message}"
+    )
+
     completion: ChatCompletion = openai_client.chat.completions.create(
         model="gpt-5-chat-latest",
-        messages=[
+        messages=[{"role": "system", "content": prompt}],
-            {
-                "role": "system",
-                "content": "You are in a Discord group chat. People can ask you questions. Use Discord Markdown to format messages if needed.",  # noqa: E501
-            },
-            {"role": "user", "content": user_message},
-        ],
     )
     response: str | None = completion.choices[0].message.content
     logger.info("AI response: %s", response)