[rewrite] Major changes to code - switched to postgres, added initial backend docker files

backend/app/utils/database_exception_catcher.py

@@ -1,13 +0,0 @@
-from functools import wraps
-from sqlalchemy.exc import DatabaseError as SqlAlchemyDatabaseError
-from app.database.exceptions import DatabaseError
-
-
-def handle_database_errors(func):
-    @wraps(func)
-    def wrapper(*args, **kwargs):
-        try:
-            return func(*args, **kwargs)
-        except SqlAlchemyDatabaseError as e:
-            raise DatabaseError(str(e), -1) from e
-    return wrapper

backend/app/utils/logger.py

@@ -0,0 +1,13 @@
+import sys
+import logging
+
+from app.core.config import settings
+
+def setup_logger():
+    verbosity = settings.VERBOSITY
+    if verbosity == "DEBUG":
+        log_format = "[ %(name)s / %(levelname)s ] - %(filename)s:%(lineno)d - %(message)s"
+    else:
+        log_format = "[ %(levelname)s ] - %(message)s"
+
+    logging.basicConfig(level=verbosity, format=log_format, stream=sys.stdout)

backend/app/utils/models.py

@@ -0,0 +1,6 @@
+from typing import Optional
+from uuid import uuid5, UUID, NAMESPACE_DNS
+
+def generate_user_uuid5(email: str, shop_id: Optional[int]) -> UUID:
+    unique_string = f"{email}-{shop_id}" if shop_id else email
+    return uuid5(NAMESPACE_DNS, unique_string)

backend/app/utils/propagate.py

@@ -0,0 +1,27 @@
+from functools import wraps
+
+from fastapi import HTTPException
+
+from sqlalchemy.exc import DatabaseError as SqlAlchemyDatabaseError
+
+from app.core.errors import RepositoryError, ServiceError
+
+
+def propagate_db_error_to_service(func):
+    @wraps(func)
+    def wrapper(*args, **kwargs):
+        try:
+            return func(*args, **kwargs)
+        except (SqlAlchemyDatabaseError, RepositoryError) as e:
+            raise ServiceError(str(e)) from e
+    return wrapper
+
+
+def propagate_service_errors_to_http_errors(func):
+    @wraps(func)
+    def wrapper(*args, **kwargs):
+        try:
+            return func(*args, **kwargs)
+        except ServiceError as e:
+            raise HTTPException(status_code=500, detail=str(e)) from e
+    return wrapper