fix database and bot

.env.example

@@ -0,0 +1,2 @@
+DATABASE_URL="postgres://username:password@hostname/database"
+DISCORD_TOKEN=abcd123

.gitignore

@@ -1,2 +1 @@
-token.env
-myenv
+.env

discord_bot.py

@@ -3,58 +3,47 @@
 import discord
 from discord.ext import commands
 import psycopg2
-from psycopg2 import sql
-from psycopg2.extensions import ISOLATION_LEVEL_AUTOCOMMIT 
 
+conn = psycopg2.connect(os.getenv("DATABASE_URL"))
 
-dotenv.load_dotenv()
-
-intents = discord.Intents.default()
-intents.message_content = True
-intents.members = True  
-intents.reactions = True 
+conn.set_session(autocommit=True)
 
-bot = commands.Bot(command_prefix="!", intents=intents)
-
-def get_db_connection():
-    try:
-        conn = psycopg2.connect(
-            host="localhost",
-            database="reaction_tracker",
-            user="postgres",  
-            password="password" 
-        )
-        return conn
-    except psycopg2.Error as e:
-        print(f"Database connection error: {e}")
-        return None
-
-def initialize_db():
-    conn = get_db_connection()
+def run_migrations(conn):
     cur = conn.cursor()
     cur.execute("""
         CREATE TABLE IF NOT EXISTS messages (
-            id SERIAL PRIMARY KEY,
-            message_id BIGINT UNIQUE NOT NULL,
+            message_id BIGINT PRIMARY KEY,
             author_id BIGINT NOT NULL,
             channel_id BIGINT NOT NULL,
             guild_id BIGINT NOT NULL,
-            content TEXT,
-            created_at TIMESTAMP NOT NULL,
-            month_year VARCHAR(7) NOT NULL
+            created_at TIMESTAMP NOT NULL
+        );
         """)
-    
+
     cur.execute("""
         CREATE TABLE IF NOT EXISTS reactions (
-            id SERIAL PRIMARY KEY,
+            user_id BIGINT NOT NULL,
             message_id BIGINT REFERENCES messages(message_id),
             emoji VARCHAR(255) NOT NULL,
-            count INTEGER DEFAULT 1,
-            users BIGINT[] DEFAULT ARRAY[]::BIGINT[],
-            UNIQUE(message_id, emoji)
+            PRIMARY KEY(user_id, message_id, emoji)
+        );
         """)
 
-bot.run(os.getenv("TOKEN"))
+    cur.close()
 
+run_migrations(conn)
+
+dotenv.load_dotenv()
+
+intents = discord.Intents.default()
+intents.message_content = True
+intents.members = True
+intents.reactions = True
+
+bot = commands.Bot(command_prefix="!", intents=intents)
 
+@bot.hybrid_command()
+async def ping(ctx):
+    await ctx.send("Pong!")
 
+bot.run(os.getenv("DISCORD_TOKEN"))