feat: barcode templates

modules/fulfillment_base/models/__init__.py

@@ -1,6 +1,16 @@
-from .deal_product import DealProduct as DealProduct, DealProductService as DealProductService
-from .deal_service import (
-    DealService as DealService,
+from .barcode import (
+    ProductBarcode as ProductBarcode,
+    ProductBarcodeImage as ProductBarcodeImage,
 )
+from .barcode_template import (
+    BarcodeTemplateAttribute as BarcodeTemplateAttribute,
+    BarcodeTemplateSize as BarcodeTemplateSize,
+    BarcodeTemplate as BarcodeTemplate,
+)
+from .deal_product import (
+    DealProduct as DealProduct,
+    DealProductService as DealProductService,
+)
+from .deal_service import DealService as DealService
 from .product import Product as Product
 from .service import Service as Service, ServiceCategory as ServiceCategory

modules/fulfillment_base/models/barcode.py

@@ -0,0 +1,36 @@
+from typing import TYPE_CHECKING
+
+from sqlalchemy import ForeignKey
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from models.base import BaseModel
+
+if TYPE_CHECKING:
+    from modules.fulfillment_base.models import Product
+
+
+class ProductBarcode(BaseModel):
+    __tablename__ = "fulfillment_base_product_barcodes"
+
+    product_id: Mapped[int] = mapped_column(
+        ForeignKey("fulfillment_base_products.id"),
+        primary_key=True,
+    )
+    product: Mapped["Product"] = relationship(back_populates="barcodes")
+
+    barcode: Mapped[str] = mapped_column(
+        primary_key=True, index=True, comment="ШК товара"
+    )
+
+
+class ProductBarcodeImage(BaseModel):
+    __tablename__ = "fulfillment_base_product_barcode_images"
+
+    product_id: Mapped[int] = mapped_column(
+        ForeignKey("fulfillment_base_products.id"),
+        primary_key=True,
+        comment="ID товара",
+    )
+    product: Mapped["Product"] = relationship(back_populates="barcode_image")
+
+    filename: Mapped[str] = mapped_column()

modules/fulfillment_base/models/barcode_template.py

@@ -0,0 +1,42 @@
+from sqlalchemy import ForeignKey, Table, Column
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from models.base import BaseModel
+from models.mixins import IdMixin, SoftDeleteMixin
+
+barcode_template_attribute_link = Table(
+    "barcode_template_attribute_links",
+    BaseModel.metadata,
+    Column("barcode_template_id", ForeignKey("barcode_templates.id")),
+    Column("attribute_id", ForeignKey("barcode_template_attributes.id")),
+)
+
+
+class BarcodeTemplateAttribute(BaseModel, IdMixin):
+    __tablename__ = "barcode_template_attributes"
+
+    key: Mapped[str] = mapped_column(index=True, comment="Ключ атрибута")
+    name: Mapped[str] = mapped_column(index=True, comment="Метка атрибута")
+
+
+class BarcodeTemplateSize(BaseModel, IdMixin):
+    __tablename__ = "barcode_template_sizes"
+
+    name: Mapped[str] = mapped_column(index=True, comment="Название размера")
+    width: Mapped[int] = mapped_column(comment="Ширина в мм")
+    height: Mapped[int] = mapped_column(comment="Высота в мм")
+
+
+class BarcodeTemplate(BaseModel, IdMixin, SoftDeleteMixin):
+    __tablename__ = "barcode_templates"
+
+    name: Mapped[str] = mapped_column(index=True, comment="Название шаблона")
+    attributes: Mapped[list["BarcodeTemplateAttribute"]] = relationship(
+        secondary=barcode_template_attribute_link,
+        lazy="selectin",
+    )
+
+    is_default: Mapped[bool] = mapped_column(default=False, comment="По умолчанию")
+
+    size_id: Mapped[int] = mapped_column(ForeignKey("barcode_template_sizes.id"))
+    size: Mapped["BarcodeTemplateSize"] = relationship(lazy="joined")

modules/fulfillment_base/models/product.py

@@ -1,8 +1,15 @@
+from typing import Optional
+
 from sqlalchemy import ForeignKey
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from models.base import BaseModel
 from models.mixins import IdMixin, SoftDeleteMixin
+from modules.fulfillment_base.models import (
+    ProductBarcode,
+    BarcodeTemplate,
+    ProductBarcodeImage,
+)
 
 
 class Product(BaseModel, IdMixin, SoftDeleteMixin):
@@ -28,6 +35,22 @@ class Product(BaseModel, IdMixin, SoftDeleteMixin):
         cascade="all, delete-orphan",
     )
 
+    barcodes: Mapped[list["ProductBarcode"]] = relationship(
+        back_populates="product",
+        cascade="all, delete-orphan",
+    )
+
+    barcode_template_id: Mapped[Optional[int]] = mapped_column(
+        ForeignKey("barcode_templates.id")
+    )
+    barcode_template: Mapped["BarcodeTemplate"] = relationship(lazy="joined")
+
+    barcode_image: Mapped["ProductBarcodeImage"] = relationship(
+        back_populates="product",
+        lazy="joined",
+        uselist=False,
+    )
+
 
 class ProductImage(BaseModel, IdMixin):
     __tablename__ = "fulfillment_base_product_images"