feat: new barcodes

services/barcode.py

@@ -2,6 +2,7 @@ from sqlalchemy import select, update, insert
 from sqlalchemy.orm import selectinload, joinedload
 
 from barcodes.attributes import AttributeWriterFactory
+from barcodes.generator.default_generator import DefaultBarcodeGenerator
 from models import BarcodeTemplate, BarcodeTemplateAttribute, barcode_template_attribute_link, Product, \
     BarcodeTemplateAdditionalField, BarcodeTemplateSize
 from schemas.barcode import *
@@ -73,6 +74,30 @@ class BarcodeService(BaseService):
         )
         return GetProductBarcodeResponse(barcode=barcode)
 
+    async def get_barcode_pdf(self, request: GetProductBarcodePdfRequest) -> GetProductBarcodeResponse:
+        # get product by id
+        stmt = (
+            select(Product)
+            .options(
+                joinedload(Product.client)
+            )
+            .filter(Product.id == request.product_id)
+        )
+        query = await self.session.execute(stmt)
+        product: Product = query.scalar()
+        if not product:
+            raise ValueError('Товар не найден')
+        barcode_template = await self._get_barcode_template(request, product)
+        default_generator = DefaultBarcodeGenerator()
+        filename = f'{product.id}_barcode.pdf'
+        pdf_buffer = default_generator.generate(
+            request.barcode,
+            product,
+            barcode_template,
+            request.quantity
+        )
+        return filename, pdf_buffer
+
     # endregion
 
     # region Template