push changes

config.py

@@ -7,12 +7,34 @@ load_dotenv(BASE_DIR / '.env')
 
 
 def _normalize_sqlalchemy_db_url(raw: str | None) -> str:
-    if not raw:
-        return f"sqlite:///{(BASE_DIR / 'instance' / 'app.db').resolve()}"
-    if raw.startswith('sqlite:///') and not raw.startswith('sqlite:////'):
-        rel = raw.replace('sqlite:///', '', 1)
-        return f"sqlite:///{(BASE_DIR / rel).resolve()}"
-    return raw
+    if raw:
+        raw = raw.strip()
+        if raw.startswith('postgres://'):
+            return raw.replace('postgres://', 'postgresql+psycopg://', 1)
+        if raw.startswith('sqlite:///') and not raw.startswith('sqlite:////'):
+            rel = raw.replace('sqlite:///', '', 1)
+            return f"sqlite:///{(BASE_DIR / rel).resolve()}"
+        return raw
+
+    db_engine = os.getenv('DB_ENGINE', 'sqlite').strip().lower()
+    db_host = os.getenv('DB_HOST', 'localhost').strip()
+    db_port = os.getenv('DB_PORT', '').strip()
+    db_name = os.getenv('DB_NAME', 'ksef').strip()
+    db_user = os.getenv('DB_USER', '').strip()
+    db_password = os.getenv('DB_PASSWORD', '').strip()
+
+    if db_engine == 'sqlite':
+        return f"sqlite:///{(BASE_DIR / 'db' / 'sqlite' / 'app.db').resolve()}"
+
+    if db_engine in ('pgsql', 'postgres', 'postgresql'):
+        port = db_port or '5432'
+        return f"postgresql+psycopg://{db_user}:{db_password}@{db_host}:{port}/{db_name}"
+
+    if db_engine == 'mysql':
+        port = db_port or '3306'
+        return f"mysql+pymysql://{db_user}:{db_password}@{db_host}:{port}/{db_name}"
+
+    raise ValueError(f"Nieobsługiwany DB_ENGINE: {db_engine}")
 
 
 def _path_from_env(name: str, default: Path) -> Path: