feat: new barcodes

barcodes/generator/default_generator.py

@@ -1,10 +1,26 @@
+from barcodes.attributes import AttributeWriterFactory
 from barcodes.generator.base import BaseBarcodeGenerator
+from barcodes.pdf import PDFGenerator
 from models import ProductBarcode, Product, BarcodeTemplate
 
 
 class DefaultBarcodeGenerator(BaseBarcodeGenerator):
     def generate(self,
-                 barcode: ProductBarcode,
+                 barcode: str,
                  product: Product,
-                 template: BarcodeTemplate):
-        pass
+                 template: BarcodeTemplate,
+                 quantity: int = 1):
+        pdf_generator = PDFGenerator()
+        attributes = {}
+        for attribute in template.attributes:
+            attribute_getter = AttributeWriterFactory.get_writer(attribute.key)
+            if not attribute_getter:
+                continue
+            value = attribute_getter.get_value(product)
+            if not value:
+                continue
+            attributes[attribute.name] = value
+        for additional_attribute in template.additional_attributes:
+            attributes[additional_attribute.name] = additional_attribute.value
+        barcode_text = '<br/>'.join([f'{key}: {value}' for key, value in attributes.items()])
+        return pdf_generator.generate(barcode, barcode_text, num_duplicates=quantity)