fix(database): Fixed the database connection

db/connection.py

@@ -8,23 +8,20 @@ from utils.loadDotEnv import initializeENV
 
 initializeENV()
 
+def PSQLConnect():
+    conn = psycopg2.connect(os.getenv('POSTDRESS_CONNECTION'))
+    return conn
 
-def get_db_config() -> dict:
-    return {
-        'host': os.getenv('DB_HOST', 'localhost'),
-        'port': int(os.getenv('DB_PORT', 5432)),
-        'db': os.getenv('DB_NAME', 'warehouse_db'),
-        'user': os.getenv('DB_USER', 'postgres'),
-        'password': os.getenv('DB_PASSWORD', '')
-    }
+def PSQLCursor(conn):
+    cur =  conn.cursor()
+    return cur
 
 
 @contextmanager
 def get_connection() -> Generator[psycopg2.extensions.connection, None, None]:
     conn = None
     try:
-        config = get_db_config()
-        conn = psycopg2.connect(**config)
+        conn = PSQLConnect()
         print("Подключение к БД установлено")
         yield conn
     except psycopg2.OperationalError as e:
@@ -32,26 +29,23 @@ def get_connection() -> Generator[psycopg2.extensions.connection, None, None]:
         raise
     except Exception as e:
         print(f"Неожиданная ошибка: {e}")
-        if conn:
-            conn.rollback()
         raise
     finally:
         if conn:
             conn.close()
-            print("БД закрыта")
-
+            print("Соединение с БД закрыто")
 
 def test_connection() -> bool:
     try:
         with get_connection() as conn:
-            with conn.cursor() as cur:
-                cur.execute("SELECT version();")
-                version = cur.fetchone()
-                print(f" Версия PostgreSQL: {version[0]}")
-                return True
+            cur = PSQLCursor(conn)
+            cur.execute("SELECT version();")
+            version = cur.fetchone()
+            print(f"Версия PostgreSQL: {version[0]}")
+            cur.close()
+            return True
     except Exception as e:
-        print(f"Тест подключения бд провален: {e}")
+        print(f"Тест подключения к БД провален: {e}")
         return False
 
-
 print(test_connection())

utils/PostgressConnect.py

@@ -1,10 +0,0 @@
-import psycopg
-import os
-
-def PSQLConnect():
-    conn = psycopg.connect(os.getenv('POSTDRESS_CONNECTION'))
-    return conn
-
-def PSQLCursor(conn):
-    cur =  conn.cursor()
-    return cur