fix: discord bot

extensions/discord/bot.py

@@ -1,68 +1,138 @@
 import os
 import re
-
+import logging
+import aiohttp
 import discord
-import requests
 from discord.ext import commands
 import dotenv
 
 dotenv.load_dotenv()
 
-# Replace 'YOUR_BOT_TOKEN' with your bot's token
+# Enable logging
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger(__name__)
+
+# Bot configuration
 TOKEN = os.getenv("DISCORD_TOKEN")
-PREFIX = '@DocsGPT'
-BASE_API_URL = 'http://localhost:7091'
+PREFIX = '!'  # Command prefix
+BASE_API_URL = os.getenv("API_BASE", "https://gptcloud.arc53.com")
+API_URL = BASE_API_URL + "/api/answer"
+API_KEY = os.getenv("API_KEY")
 
 intents = discord.Intents.default()
 intents.message_content = True
 
 bot = commands.Bot(command_prefix=PREFIX, intents=intents)
 
+# Store conversation history per user
+conversation_histories = {}
+
+def escape_markdown(text):
+    """Escapes Discord markdown characters."""
+    escape_chars = r'\*_$$$$()~>#+-=|{}.!'
+    return re.sub(f'([{re.escape(escape_chars)}])', r'\\\1', text)
 
 def split_string(input_str):
+    """Splits the input string to detect bot mentions."""
     pattern = r'^<@!?{0}>\s*'.format(bot.user.id)
     match = re.match(pattern, input_str)
     if match:
         content = input_str[match.end():].strip()
         return str(bot.user.id), content
     return None, input_str
 
-
 @bot.event
 async def on_ready():
     print(f'{bot.user.name} has connected to Discord!')
 
-
-async def fetch_answer(question):
-    data = {
-        'sender': 'discord',
-        'question': question,
-        'history': ''
+async def generate_answer(question, messages, conversation_id):
+    """Generates an answer using the external API."""
+    payload = {
+        "question": question,
+        "api_key": API_KEY,
+        "history": messages,
+        "conversation_id": conversation_id
     }
-    headers = {"Content-Type": "application/json",
-               "Accept": "application/json"}
-    response = requests.post(BASE_API_URL + '/api/answer', json=data, headers=headers)
-    if response.status_code == 200:
-        return response.json()['answer']
-    return 'Sorry, I could not fetch the answer.'
-
+    headers = {
+        "Content-Type": "application/json; charset=utf-8"
+    }
+    timeout = aiohttp.ClientTimeout(total=60)
+    async with aiohttp.ClientSession(timeout=timeout) as session:
+        async with session.post(API_URL, json=payload, headers=headers) as resp:
+            if resp.status == 200:
+                data = await resp.json()
+                conversation_id = data.get("conversation_id")
+                answer = data.get("answer", "Sorry, I couldn't find an answer.")
+                return {"answer": answer, "conversation_id": conversation_id}
+            else:
+                return {"answer": "Sorry, I couldn't find an answer.", "conversation_id": None}
+
+@bot.command(name="start")
+async def start(ctx):
+    """Handles the /start command."""
+    await ctx.send(f"Hi {ctx.author.mention}! How can I assist you today?")
+
+@bot.command(name="custom_help")
+async def custom_help_command(ctx):
+    """Handles the /custom_help command."""
+    help_text = (
+        "Here are the available commands:\n"
+        "`!start` - Begin a new conversation with the bot\n"
+        "`!help` - Display this help message\n\n"
+        "You can also mention me or send a direct message to ask a question!"
+    )
+    await ctx.send(help_text)
 
 @bot.event
 async def on_message(message):
     if message.author == bot.user:
         return
 
-    content = message.content.strip()
-    prefix, content = split_string(content)
-    if prefix is None:
-        return
-
-    part_prefix = str(bot.user.id)
-    if part_prefix == prefix:
-        answer = await fetch_answer(content)
-        await message.channel.send(answer)
-
+    # Process commands first
     await bot.process_commands(message)
 
-
-bot.run(TOKEN)
+    # Check if the message is in a DM channel
+    if isinstance(message.channel, discord.DMChannel):
+        content = message.content.strip()
+    else:
+        # In guild channels, check if the message mentions the bot at the start
+        content = message.content.strip()
+        prefix, content = split_string(content)
+        if prefix is None:
+            return
+        part_prefix = str(bot.user.id)
+        if part_prefix != prefix:
+            return  # Bot not mentioned at the start, so do not process
+
+    # Now process the message
+    user_id = message.author.id
+    if user_id not in conversation_histories:
+        conversation_histories[user_id] = {
+            "history": [],
+            "conversation_id": None
+        }
+
+    conversation = conversation_histories[user_id]
+    conversation["history"].append({"prompt": content})
+
+    # Generate the answer
+    response_doc = await generate_answer(
+        content,
+        conversation["history"],
+        conversation["conversation_id"]
+    )
+    answer = response_doc["answer"]
+    conversation_id = response_doc["conversation_id"]
+
+    # Escape markdown characters
+    answer = escape_markdown(answer)
+
+    await message.channel.send(answer)
+
+    conversation["history"][-1]["response"] = answer
+    conversation["conversation_id"] = conversation_id
+
+    # Keep conversation history to last 10 exchanges
+    conversation["history"] = conversation["history"][-10:]
+
+bot.run(TOKEN)