fix pylint errors

backend/src/models.py

@@ -1,99 +1,136 @@
-from sqlmodel import Field, SQLModel, Relationship, Column, LargeBinary
+import datetime
 from enum import StrEnum
 from typing import Optional
-import datetime
+
+from sqlmodel import Column, Field, LargeBinary, Relationship, SQLModel
+
 
 class ContractType(SQLModel, table=True):
-    id: int | None = Field(default=None, primary_key=True)
+    id: int | None = Field(
+        default=None,
+        primary_key=True
+    )
     name: str
 
+
 class UserContractTypeLink(SQLModel, table=True):
-    user_id: int = Field(foreign_key="user.id", primary_key=True)
-    contract_type_id: int = Field(foreign_key="contracttype.id", primary_key=True)
+    user_id: int = Field(
+        foreign_key='user.id',
+        primary_key=True
+    )
+    contract_type_id: int = Field(
+        foreign_key='contracttype.id',
+        primary_key=True
+    )
+
 
 class UserBase(SQLModel):
     name: str
     email: str
 
+
 class UserPublic(UserBase):
     id: int
     roles: list[ContractType]
 
+
 class User(UserBase, table=True):
     id: int | None = Field(default=None, primary_key=True)
     roles: list[ContractType] = Relationship(
         link_model=UserContractTypeLink
     )
 
+
 class UserUpdate(SQLModel):
     name: str | None
     email: str | None
     role_names: list[str] | None
 
+
 class UserCreate(UserBase):
     role_names: list[str] | None
 
+
 class PaymentMethodBase(SQLModel):
     name: str
     details: str
     max: int | None
 
+
 class PaymentMethod(PaymentMethodBase, table=True):
     id: int | None = Field(default=None, primary_key=True)
-    productor_id: int = Field(foreign_key="productor.id", ondelete="CASCADE")
-    productor: Optional["Productor"] = Relationship(
-        back_populates="payment_methods",
+    productor_id: int = Field(foreign_key='productor.id', ondelete='CASCADE')
+    productor: Optional['Productor'] = Relationship(
+        back_populates='payment_methods',
     )
 
+
 class PaymentMethodPublic(PaymentMethodBase):
     id: int
-    productor: Optional["Productor"]
+    productor: Optional['Productor']
+
 
 class ProductorBase(SQLModel):
     name: str
     address: str
     type: str
 
+
 class ProductorPublic(ProductorBase):
     id: int
-    products: list["Product"] = []
-    payment_methods: list["PaymentMethod"] = []
+    products: list['Product'] = Field(default_factory=list)
+    payment_methods: list['PaymentMethod'] = Field(default_factory=list)
+
 
 class Productor(ProductorBase, table=True):
     id: int | None = Field(default=None, primary_key=True)
 
-    products: list["Product"] = Relationship(
+    products: list['Product'] = Relationship(
         back_populates='productor',
         sa_relationship_kwargs={
-            "order_by": "Product.name"
+            'order_by': 'Product.name'
         },
     )
-    payment_methods: list["PaymentMethod"] = Relationship(
-        back_populates="productor",
+    payment_methods: list['PaymentMethod'] = Relationship(
+        back_populates='productor',
         cascade_delete=True
     )
 
+
 class ProductorUpdate(SQLModel):
     name: str | None
     address: str | None
-    payment_methods: list["PaymentMethod"] = []
+    payment_methods: list['PaymentMethod'] = Field(default_factory=list)
     type: str | None
 
+
 class ProductorCreate(ProductorBase):
-    payment_methods: list["PaymentMethod"] = []
+    payment_methods: list['PaymentMethod'] = Field(default_factory=list)
+
 
 class Unit(StrEnum):
-    GRAMS = "1"
-    KILO = "2"
-    PIECE = "3"
+    GRAMS = '1'
+    KILO = '2'
+    PIECE = '3'
+
 
 class ProductType(StrEnum):
-    OCCASIONAL = "1"
-    RECCURENT = "2"
+    OCCASIONAL = '1'
+    RECCURENT = '2'
+
 
 class ShipmentProductLink(SQLModel, table=True):
-    shipment_id: Optional[int] = Field(default=None, foreign_key="shipment.id", primary_key=True)
-    product_id: Optional[int] = Field(default=None, foreign_key="product.id", primary_key=True)
+    shipment_id: Optional[int] = Field(
+        default=None,
+        foreign_key='shipment.id',
+        primary_key=True
+    )
+    product_id: Optional[int] = Field(
+        default=None,
+        foreign_key='product.id',
+        primary_key=True
+    )
+
 
 class ProductBase(SQLModel):
     name: str
@@ -103,17 +140,31 @@ class ProductBase(SQLModel):
     quantity: float | None
     quantity_unit: str | None
     type: ProductType
-    productor_id: int | None = Field(default=None, foreign_key="productor.id")
+    productor_id: int | None = Field(
+        default=None,
+        foreign_key='productor.id'
+    )
+
 
 class ProductPublic(ProductBase):
     id: int
     productor: Productor | None
-    shipments: list["Shipment"] | None
+    shipments: list['Shipment'] | None
+
 
 class Product(ProductBase, table=True):
-    id: int | None = Field(default=None, primary_key=True)
-    shipments: list["Shipment"] = Relationship(back_populates="products", link_model=ShipmentProductLink)
-    productor: Optional[Productor] = Relationship(back_populates="products")
+    id: int | None = Field(
+        default=None,
+        primary_key=True
+    )
+    shipments: list['Shipment'] = Relationship(
+        back_populates='products',
+        link_model=ShipmentProductLink
+    )
+    productor: Optional[Productor] = Relationship(
+        back_populates='products'
+    )
+
 
 class ProductUpdate(SQLModel):
     name: str | None
@@ -125,41 +176,46 @@ class ProductUpdate(SQLModel):
     productor_id: int | None
     type: ProductType | None
 
+
 class ProductCreate(ProductBase):
     pass
 
+
 class FormBase(SQLModel):
     name: str
-    productor_id: int | None = Field(default=None, foreign_key="productor.id")
-    referer_id: int | None = Field(default=None, foreign_key="user.id")
+    productor_id: int | None = Field(default=None, foreign_key='productor.id')
+    referer_id: int | None = Field(default=None, foreign_key='user.id')
     season: str
     start: datetime.date
     end: datetime.date
     minimum_shipment_value: float | None
     visible: bool
 
+
 class FormPublic(FormBase):
     id: int
     productor: ProductorPublic | None
     referer: User | None
-    shipments: list["ShipmentPublic"] = []
+    shipments: list['ShipmentPublic'] = Field(default_factory=list)
+
 
 class Form(FormBase, table=True):
     id: int | None = Field(default=None, primary_key=True)
     productor: Optional['Productor'] = Relationship()
     referer: Optional['User'] = Relationship()
-    shipments: list["Shipment"] = Relationship(
-        back_populates="form", 
+    shipments: list['Shipment'] = Relationship(
+        back_populates='form',
         cascade_delete=True,
         sa_relationship_kwargs={
-            "order_by": "Shipment.name"
+            'order_by': 'Shipment.name'
         },
     )
-    contracts: list["Contract"] = Relationship(
-        back_populates="form",
+    contracts: list['Contract'] = Relationship(
+        back_populates='form',
         cascade_delete=True
     )
 
+
 class FormUpdate(SQLModel):
     name: str | None
     productor_id: int | None
@@ -170,35 +226,44 @@ class FormUpdate(SQLModel):
     minimum_shipment_value: float | None
     visible: bool | None
 
+
 class FormCreate(FormBase):
     pass
 
+
 class TemplateBase(SQLModel):
     pass
 
+
 class TemplatePublic(TemplateBase):
     id: int
 
+
 class Template(TemplateBase, table=True):
     id: int | None = Field(default=None, primary_key=True)
-    
+
+
 class TemplateUpdate(SQLModel):
     pass
 
+
 class TemplateCreate(TemplateBase):
     pass
 
+
 class ChequeBase(SQLModel):
     name: str
     value: str
 
+
 class Cheque(ChequeBase, table=True):
     id: int | None = Field(default=None, primary_key=True)
-    contract_id: int = Field(foreign_key="contract.id", ondelete="CASCADE")
-    contract: Optional["Contract"] = Relationship(
-        back_populates="cheques",
+    contract_id: int = Field(foreign_key='contract.id', ondelete='CASCADE')
+    contract: Optional['Contract'] = Relationship(
+        back_populates='cheques',
     )
 
+
 class ContractBase(SQLModel):
     firstname: str
     lastname: str
@@ -207,105 +272,122 @@ class ContractBase(SQLModel):
     payment_method: str
     cheque_quantity: int
 
+
 class Contract(ContractBase, table=True):
     id: int | None = Field(default=None, primary_key=True)
 
     form_id: int = Field(
-        foreign_key="form.id",
+        foreign_key='form.id',
         nullable=False,
-        ondelete="CASCADE"
+        ondelete='CASCADE'
     )
-    products: list["ContractProduct"] = Relationship(
-        back_populates="contract",
+    products: list['ContractProduct'] = Relationship(
+        back_populates='contract',
         cascade_delete=True
     )
-    form: Optional[Form] = Relationship(back_populates="contracts")
+    form: Form = Relationship(back_populates='contracts')
     cheques: list[Cheque] = Relationship(
-        back_populates="contract",
+        back_populates='contract',
         cascade_delete=True
     )
     file: bytes = Field(sa_column=Column(LargeBinary))
     total_price: float | None
 
+
 class ContractCreate(ContractBase):
-    products: list["ContractProductCreate"] = []
-    cheques: list["Cheque"] = []
+    products: list['ContractProductCreate'] = Field(default_factory=list)
+    cheques: list['Cheque'] = Field(default_factory=list)
     form_id: int
 
+
 class ContractUpdate(SQLModel):
     file: bytes
 
+
 class ContractPublic(ContractBase):
     id: int
-    products: list["ContractProduct"] = []
+    products: list['ContractProduct'] = Field(default_factory=list)
     form: Form
     total_price: float | None
     # file: bytes
 
+
 class ContractProductBase(SQLModel):
     product_id: int = Field(
-        foreign_key="product.id",
+        foreign_key='product.id',
         nullable=False,
-        ondelete="CASCADE"
+        ondelete='CASCADE'
     )
     shipment_id: int | None = Field(
         default=None,
-        foreign_key="shipment.id",
+        foreign_key='shipment.id',
         nullable=True,
-        ondelete="CASCADE"
+        ondelete='CASCADE'
     )
     quantity: float
 
+
 class ContractProduct(ContractProductBase, table=True):
     id: int | None = Field(default=None, primary_key=True)
     contract_id: int = Field(
-        foreign_key="contract.id",
+        foreign_key='contract.id',
         nullable=False,
-        ondelete="CASCADE"
+        ondelete='CASCADE'
     )
-    contract: Optional["Contract"] = Relationship(back_populates="products")
-    product: Optional["Product"] = Relationship()
-    shipment: Optional["Shipment"] = Relationship()
+    contract: Optional['Contract'] = Relationship(back_populates='products')
+    product: Optional['Product'] = Relationship()
+    shipment: Optional['Shipment'] = Relationship()
+
 
 class ContractProductPublic(ContractProductBase):
     id: int
     quantity: float
     contract: Contract
     product: Product
-    shipment: Optional["Shipment"]
+    shipment: Optional['Shipment']
+
 
 class ContractProductCreate(ContractProductBase):
     pass
 
+
 class ContractProductUpdate(ContractProductBase):
     pass
 
+
 class ShipmentBase(SQLModel):
     name: str
     date: datetime.date
-    form_id: int | None = Field(default=None, foreign_key="form.id", ondelete="CASCADE")
+    form_id: int | None = Field(
+        default=None,
+        foreign_key='form.id',
+        ondelete='CASCADE')
+
 
 class ShipmentPublic(ShipmentBase):
     id: int
-    products: list[Product] = []
+    products: list[Product] = Field(default_factory=list)
     form: Form | None
 
+
 class Shipment(ShipmentBase, table=True):
     id: int | None = Field(default=None, primary_key=True)
     products: list[Product] = Relationship(
-        back_populates="shipments", 
+        back_populates='shipments',
         link_model=ShipmentProductLink,
         sa_relationship_kwargs={
-            "order_by": "Product.name"
+            'order_by': 'Product.name'
         },
     )
-    form: Optional[Form] = Relationship(back_populates="shipments")
+    form: Optional[Form] = Relationship(back_populates='shipments')
+
 
 class ShipmentUpdate(SQLModel):
     name: str | None
     date: datetime.date | None
-    product_ids: list[int] | None = []
+    product_ids: list[int] | None = Field(default_factory=list)
+
 
 class ShipmentCreate(ShipmentBase):
-    product_ids: list[int] = []
-    form_id: int
+    product_ids: list[int] = Field(default_factory=list)
+    form_id: int