add products

backend/src/models.py

@@ -1,5 +1,5 @@
 from sqlmodel import Field, SQLModel, Relationship
-from enum import Enum
+from enum import StrEnum
 from typing import Optional
 import datetime
 
@@ -44,14 +44,14 @@ class ProductorUpdate(SQLModel):
 class ProductorCreate(ProductorBase):
     pass
 
-class Unit(Enum):
-    GRAMS = 1
-    KILO = 2
-    PIECE = 3
+class Unit(StrEnum):
+    GRAMS = "1"
+    KILO = "2"
+    PIECE = "3"
 
-class ProductType(Enum):
-    PLANNED = 1
-    RECCURENT = 2
+class ProductType(StrEnum):
+    PLANNED = "1"
+    RECCURENT = "2"
 
 class ShipmentProductLink(SQLModel, table=True):
     shipment_id: Optional[int] = Field(default=None, foreign_key="shipment.id", primary_key=True)
@@ -62,7 +62,7 @@ class ProductBase(SQLModel):
     unit: Unit
     price: float
     price_kg: float | None
-    weight: float
+    weight: float | None
     type: ProductType
     productor_id: int | None = Field(default=None, foreign_key="productor.id")
 
@@ -83,10 +83,10 @@ class ProductUpdate(SQLModel):
     price_kg: float | None
     weight: float | None
     productor_id: int | None
-    shipment_ids: list[int] | None
+    shipment_ids: list[int] | None = []
 
 class ProductCreate(ProductBase):
-    shipment_ids: list[int] | None
+    shipment_ids: list[int] | None = []
 
 class FormBase(SQLModel):
     name: str