Samir Boulahtit
9920430b9e
- Remove |safe from |tojson in HTML attributes (x-data) - quotes must become " for browsers to parse correctly - Update LANG-002 and LANG-003 architecture rules to document correct |tojson usage patterns: - HTML attributes: |tojson (no |safe) - Script blocks: |tojson|safe - Fix validator to warn when |tojson|safe is used in x-data (breaks HTML attribute parsing) - Improve code quality across services, APIs, and tests 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
285 lines
8.6 KiB
Python
285 lines
8.6 KiB
Python
# app/services/letzshop_export_service.py
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"""
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Service for exporting products to Letzshop CSV format.
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Generates Google Shopping compatible CSV files for Letzshop marketplace.
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"""
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import csv
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import io
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import logging
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from sqlalchemy.orm import Session, joinedload
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from models.database.marketplace_product import MarketplaceProduct
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from models.database.product import Product
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logger = logging.getLogger(__name__)
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# Letzshop CSV columns in order
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LETZSHOP_CSV_COLUMNS = [
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"id",
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"title",
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"description",
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"link",
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"image_link",
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"additional_image_link",
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"availability",
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"price",
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"sale_price",
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"brand",
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"gtin",
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"mpn",
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"google_product_category",
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"product_type",
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"condition",
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"adult",
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"multipack",
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"is_bundle",
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"age_group",
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"color",
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"gender",
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"material",
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"pattern",
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"size",
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"size_type",
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"size_system",
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"item_group_id",
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"custom_label_0",
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"custom_label_1",
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"custom_label_2",
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"custom_label_3",
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"custom_label_4",
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"identifier_exists",
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"unit_pricing_measure",
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"unit_pricing_base_measure",
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"shipping",
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"atalanda:tax_rate",
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"atalanda:quantity",
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"atalanda:boost_sort",
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"atalanda:delivery_method",
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]
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class LetzshopExportService:
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"""Service for exporting products to Letzshop CSV format."""
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def __init__(self, default_tax_rate: float = 17.0):
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"""
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Initialize the export service.
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Args:
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default_tax_rate: Default VAT rate for Luxembourg (17%)
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"""
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self.default_tax_rate = default_tax_rate
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def export_vendor_products(
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self,
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db: Session,
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vendor_id: int,
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language: str = "en",
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include_inactive: bool = False,
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) -> str:
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"""
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Export all products for a vendor in Letzshop CSV format.
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Args:
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db: Database session
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vendor_id: Vendor ID to export products for
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language: Language for title/description (en, fr, de)
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include_inactive: Whether to include inactive products
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Returns:
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CSV string content
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"""
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# Query products for this vendor with their marketplace product data
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query = (
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db.query(Product)
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.filter(Product.vendor_id == vendor_id)
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.options(
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joinedload(Product.marketplace_product).joinedload(
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MarketplaceProduct.translations
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)
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)
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)
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if not include_inactive:
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query = query.filter(Product.is_active == True)
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products = query.all()
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logger.info(
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f"Exporting {len(products)} products for vendor {vendor_id} in {language}"
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)
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return self._generate_csv(products, language)
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def export_marketplace_products(
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self,
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db: Session,
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marketplace: str = "Letzshop",
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language: str = "en",
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limit: int | None = None,
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) -> str:
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"""
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Export marketplace products directly (admin use).
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Args:
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db: Database session
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marketplace: Filter by marketplace source
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language: Language for title/description
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limit: Optional limit on number of products
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Returns:
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CSV string content
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"""
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query = (
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db.query(MarketplaceProduct)
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.filter(MarketplaceProduct.is_active == True)
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.options(joinedload(MarketplaceProduct.translations))
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)
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if marketplace:
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query = query.filter(
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MarketplaceProduct.marketplace.ilike(f"%{marketplace}%")
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)
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if limit:
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query = query.limit(limit)
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products = query.all()
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logger.info(
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f"Exporting {len(products)} marketplace products for {marketplace} in {language}"
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)
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return self._generate_csv_from_marketplace_products(products, language)
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def _generate_csv(self, products: list[Product], language: str) -> str:
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"""Generate CSV from vendor Product objects."""
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output = io.StringIO()
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writer = csv.DictWriter(
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output,
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fieldnames=LETZSHOP_CSV_COLUMNS,
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delimiter="\t",
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quoting=csv.QUOTE_MINIMAL,
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)
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writer.writeheader()
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for product in products:
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if product.marketplace_product:
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row = self._product_to_row(product, language)
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writer.writerow(row)
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return output.getvalue()
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def _generate_csv_from_marketplace_products(
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self, products: list[MarketplaceProduct], language: str
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) -> str:
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"""Generate CSV from MarketplaceProduct objects directly."""
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output = io.StringIO()
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writer = csv.DictWriter(
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output,
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fieldnames=LETZSHOP_CSV_COLUMNS,
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delimiter="\t",
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quoting=csv.QUOTE_MINIMAL,
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)
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writer.writeheader()
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for mp in products:
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row = self._marketplace_product_to_row(mp, language)
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writer.writerow(row)
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return output.getvalue()
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def _product_to_row(self, product: Product, language: str) -> dict:
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"""Convert a Product (with MarketplaceProduct) to a CSV row."""
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mp = product.marketplace_product
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return self._marketplace_product_to_row(
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mp, language, vendor_sku=product.vendor_sku
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)
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def _marketplace_product_to_row(
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self,
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mp: MarketplaceProduct,
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language: str,
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vendor_sku: str | None = None,
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) -> dict:
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"""Convert a MarketplaceProduct to a CSV row dict."""
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# Get localized title and description
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title = mp.get_title(language) or ""
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description = mp.get_description(language) or ""
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# Format price with currency
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price = ""
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if mp.price_numeric:
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price = f"{mp.price_numeric:.2f} {mp.currency or 'EUR'}"
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elif mp.price:
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price = mp.price
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# Format sale price
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sale_price = ""
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if mp.sale_price_numeric:
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sale_price = f"{mp.sale_price_numeric:.2f} {mp.currency or 'EUR'}"
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elif mp.sale_price:
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sale_price = mp.sale_price
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# Additional images - join with comma if multiple
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additional_images = ""
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if mp.additional_images:
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additional_images = ",".join(mp.additional_images)
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elif mp.additional_image_link:
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additional_images = mp.additional_image_link
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# Determine identifier_exists
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identifier_exists = mp.identifier_exists
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if not identifier_exists:
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identifier_exists = "yes" if (mp.gtin or mp.mpn) else "no"
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return {
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"id": vendor_sku or mp.marketplace_product_id,
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"title": title,
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"description": description,
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"link": mp.link or mp.source_url or "",
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"image_link": mp.image_link or "",
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"additional_image_link": additional_images,
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"availability": mp.availability or "in stock",
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"price": price,
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"sale_price": sale_price,
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"brand": mp.brand or "",
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"gtin": mp.gtin or "",
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"mpn": mp.mpn or "",
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"google_product_category": mp.google_product_category or "",
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"product_type": mp.product_type_raw or "",
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"condition": mp.condition or "new",
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"adult": mp.adult or "no",
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"multipack": str(mp.multipack) if mp.multipack else "",
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"is_bundle": mp.is_bundle or "no",
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"age_group": mp.age_group or "",
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"color": mp.color or "",
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"gender": mp.gender or "",
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"material": mp.material or "",
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"pattern": mp.pattern or "",
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"size": mp.size or "",
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"size_type": mp.size_type or "",
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"size_system": mp.size_system or "",
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"item_group_id": mp.item_group_id or "",
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"custom_label_0": mp.custom_label_0 or "",
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"custom_label_1": mp.custom_label_1 or "",
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"custom_label_2": mp.custom_label_2 or "",
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"custom_label_3": mp.custom_label_3 or "",
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"custom_label_4": mp.custom_label_4 or "",
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"identifier_exists": identifier_exists,
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"unit_pricing_measure": mp.unit_pricing_measure or "",
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"unit_pricing_base_measure": mp.unit_pricing_base_measure or "",
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"shipping": mp.shipping or "",
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"atalanda:tax_rate": str(self.default_tax_rate),
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"atalanda:quantity": "", # Would need inventory data
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"atalanda:boost_sort": "",
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"atalanda:delivery_method": "",
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}
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# Singleton instance
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letzshop_export_service = LetzshopExportService()
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