feat: new barcodes

routers/product.py

@@ -1,11 +1,15 @@
+import base64
+from io import BytesIO
 from typing import Annotated, Union
 
 from fastapi import APIRouter, Depends, UploadFile
 from sqlalchemy.ext.asyncio import AsyncSession
-
+from starlette.responses import StreamingResponse
+from fastapi.responses import FileResponse
 import utils.dependecies
 from backend.session import get_session
-from schemas.barcode import GetProductBarcodeResponse, GetProductBarcodeRequest
+from schemas.barcode import GetProductBarcodeResponse, GetProductBarcodeRequest, GetProductBarcodePdfResponse, \
+    GetProductBarcodePdfRequest
 from schemas.base import PaginationSchema
 from schemas.product import *
 from services.auth import get_current_user
@@ -127,6 +131,28 @@ async def get_product_barcode(
     return await BarcodeService(session).get_barcode(request)
 
 
+@product_router.post(
+    '/barcode/get-pdf',
+    operation_id='get_product_barcode_pdf',
+    response_model=GetProductBarcodePdfResponse
+)
+async def get_product_barcode_pdf(
+        request: GetProductBarcodePdfRequest,
+        session: Annotated[AsyncSession, Depends(get_session)]
+):
+    filename, pdf_buffer = await BarcodeService(session).get_barcode_pdf(request)
+    pdf_buffer: BytesIO
+    base64_string = base64.b64encode(pdf_buffer.read()).decode('utf-8')
+    return GetProductBarcodePdfResponse(
+        base64_string=base64_string,
+        filename=filename,
+        mime_type='application/pdf'
+    )
+    # return StreamingResponse(content=pdf_buffer,
+    #                          media_type='application/pdf',
+    #                          headers={"Content-Disposition": f"inline; filename={filename}"})
+
+
 @product_router.post(
     '/images/upload/{product_id}',
     response_model=ProductUploadImageResponse,