common update

infra/db/__init__.py

@@ -0,0 +1,3 @@
+from .postgres import postgres
+
+__all__ = ['postgres'] 

infra/db/postgres.py

@@ -0,0 +1,54 @@
+import os
+from dotenv import load_dotenv
+from supabase import create_client, Client
+from typing import Optional
+import ssl
+import certifi
+
+load_dotenv()
+
+class PostgresConnection:
+    _instance = None
+
+    def __new__(cls):
+        if cls._instance is None:
+            cls._instance = super(PostgresConnection, cls).__new__(cls)
+            cls._instance._initialize_client()
+        return cls._instance
+
+    def _initialize_client(self):
+        url = os.getenv('SUPABASE_URL')
+        key = os.getenv('SUPABASE_KEY')
+        
+        if not url or not key:
+            raise ValueError("Missing Supabase credentials. Please check your .env file")
+            
+        # Đảm bảo URL có định dạng đúng
+        if not url.startswith('https://'):
+            url = f'https://{url}'
+            
+        # Nếu URL chứa 'db.', thay thế bằng project URL
+        if 'db.' in url:
+            project_id = url.split('db.')[1].split('.')[0]
+            url = f'https://{project_id}.supabase.co'
+            
+        try:
+            # Tạo SSL context với certifi
+            ssl_context = ssl.create_default_context(cafile=certifi.where())
+            ssl_context.check_hostname = False
+            ssl_context.verify_mode = ssl.CERT_NONE
+
+            # Tạo client với SSL context
+            self.supabase: Client = create_client(url, key)
+            
+            # Test connection
+            self.supabase.table('discord_server').select('count').limit(1).execute()
+            print("Successfully connected to Supabase!")
+        except Exception as e:
+            raise Exception(f"Failed to connect to Supabase: {str(e)}")
+
+    def get_table(self, table_name: str):
+        return self.supabase.table(table_name)
+
+# Singleton instance
+postgres = PostgresConnection()