Samir Boulahtit
86e85a98b8
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Enforce MOD-025/MOD-026 rules: zero top-level cross-module model imports remain in any service file. All 66 files migrated using deferred import patterns (method-body, _get_model() helpers, instance-cached self._Model) and new cross-module service methods in tenancy. Documentation updated with Pattern 6 (deferred imports), migration plan marked complete, and violations status reflects 84→0 service-layer violations. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
121 lines
3.5 KiB
Python
121 lines
3.5 KiB
Python
# app/modules/catalog/services/catalog_features.py
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"""
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Catalog feature provider for the billing feature system.
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Declares catalog-related billable features (product limits, import/export)
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and provides usage tracking queries for feature gating.
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"""
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from __future__ import annotations
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from typing import TYPE_CHECKING
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from sqlalchemy import func
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from app.modules.contracts.features import (
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FeatureDeclaration,
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FeatureScope,
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FeatureType,
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FeatureUsage,
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)
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if TYPE_CHECKING:
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from sqlalchemy.orm import Session
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class CatalogFeatureProvider:
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"""Feature provider for the catalog module.
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Declares:
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- products_limit: quantitative per-store limit on product count
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- product_import_export: binary merchant-level feature for import/export
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"""
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@property
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def feature_category(self) -> str:
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return "catalog"
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def get_feature_declarations(self) -> list[FeatureDeclaration]:
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return [
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FeatureDeclaration(
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code="products_limit",
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name_key="catalog.features.products_limit.name",
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description_key="catalog.features.products_limit.description",
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category="catalog",
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feature_type=FeatureType.QUANTITATIVE,
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scope=FeatureScope.STORE,
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default_limit=200,
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unit_key="catalog.features.products_limit.unit",
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ui_icon="package",
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display_order=10,
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),
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FeatureDeclaration(
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code="product_import_export",
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name_key="catalog.features.product_import_export.name",
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description_key="catalog.features.product_import_export.description",
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category="catalog",
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feature_type=FeatureType.BINARY,
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scope=FeatureScope.MERCHANT,
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ui_icon="upload-download",
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display_order=20,
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),
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]
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def get_store_usage(
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self,
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db: Session,
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store_id: int,
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) -> list[FeatureUsage]:
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from app.modules.catalog.models.product import Product
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count = (
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db.query(func.count(Product.id))
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.filter(Product.store_id == store_id)
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.scalar()
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or 0
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)
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return [
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FeatureUsage(
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feature_code="products_limit",
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current_count=count,
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label="Products",
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),
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]
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def get_merchant_usage(
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self,
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db: Session,
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merchant_id: int,
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platform_id: int,
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) -> list[FeatureUsage]:
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from app.modules.catalog.models.product import Product
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from app.modules.tenancy.services.platform_service import platform_service
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from app.modules.tenancy.services.store_service import store_service
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merchant_stores = store_service.get_stores_by_merchant_id(db, merchant_id)
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platform_store_ids = platform_service.get_store_ids_for_platform(db, platform_id)
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store_ids = [s.id for s in merchant_stores if s.id in platform_store_ids]
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count = (
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db.query(func.count(Product.id))
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.filter(Product.store_id.in_(store_ids))
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.scalar()
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or 0
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)
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return [
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FeatureUsage(
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feature_code="products_limit",
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current_count=count,
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label="Products",
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),
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]
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# Singleton instance for module registration
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catalog_feature_provider = CatalogFeatureProvider()
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__all__ = [
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"CatalogFeatureProvider",
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"catalog_feature_provider",
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]
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