This commit introduces a protocol-based metrics architecture that allows each module to provide its own statistics for dashboards without creating cross-module dependencies. Key changes: - Add MetricsProviderProtocol and MetricValue dataclass in contracts module - Add StatsAggregatorService in core module that discovers and aggregates metrics from all enabled modules - Implement metrics providers for all modules: - tenancy: vendor/user counts, team members, domains - customers: customer counts - cms: pages, media files - catalog: products - inventory: stock levels - orders: order counts, revenue - marketplace: import jobs, staging products - Update dashboard routes to use StatsAggregator instead of direct imports - Fix VendorPlatform junction table usage (Vendor.platform_id doesn't exist) - Add comprehensive documentation for the pattern This architecture ensures: - Dashboards always work (aggregator in core) - Each module owns its metrics (no cross-module coupling) - Optional modules are truly optional (can be removed without breaking app) - Multi-platform vendors are properly supported via VendorPlatform table Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
152 lines
5.0 KiB
Python
152 lines
5.0 KiB
Python
# app/modules/customers/definition.py
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"""
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Customers module definition.
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Defines the customers module including its features, menu items,
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route configurations, and self-contained module settings.
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"""
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from app.modules.base import (
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MenuItemDefinition,
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MenuSectionDefinition,
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ModuleDefinition,
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PermissionDefinition,
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)
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from app.modules.enums import FrontendType
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def _get_admin_router():
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"""Lazy import of admin router to avoid circular imports."""
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from app.modules.customers.routes.admin import admin_router
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return admin_router
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def _get_vendor_router():
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"""Lazy import of vendor router to avoid circular imports."""
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from app.modules.customers.routes.vendor import vendor_router
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return vendor_router
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def _get_metrics_provider():
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"""Lazy import of metrics provider to avoid circular imports."""
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from app.modules.customers.services.customer_metrics import customer_metrics_provider
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return customer_metrics_provider
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# Customers module definition
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customers_module = ModuleDefinition(
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code="customers",
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name="Customer Management",
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description="Customer database, profiles, addresses, and segmentation.",
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version="1.0.0",
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# Module-driven permissions
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permissions=[
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PermissionDefinition(
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id="customers.view",
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label_key="customers.permissions.customers_view",
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description_key="customers.permissions.customers_view_desc",
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category="customers",
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),
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PermissionDefinition(
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id="customers.edit",
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label_key="customers.permissions.customers_edit",
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description_key="customers.permissions.customers_edit_desc",
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category="customers",
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),
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PermissionDefinition(
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id="customers.delete",
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label_key="customers.permissions.customers_delete",
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description_key="customers.permissions.customers_delete_desc",
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category="customers",
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),
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PermissionDefinition(
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id="customers.export",
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label_key="customers.permissions.customers_export",
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description_key="customers.permissions.customers_export_desc",
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category="customers",
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),
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],
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features=[
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"customer_view", # View customer profiles
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"customer_export", # Export customer data
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"customer_profiles", # Detailed customer profiles
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"customer_segmentation", # Customer tagging and segments
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"customer_addresses", # Address management
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"customer_authentication", # Customer login/registration
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],
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menu_items={
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FrontendType.ADMIN: [
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"customers", # Platform-wide customer view
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],
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FrontendType.VENDOR: [
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"customers", # Vendor customer list
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],
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},
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# New module-driven menu definitions
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menus={
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FrontendType.ADMIN: [
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MenuSectionDefinition(
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id="vendorOps",
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label_key="customers.menu.vendor_operations",
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icon="user-group",
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order=40,
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items=[
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MenuItemDefinition(
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id="customers",
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label_key="customers.menu.customers",
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icon="user-group",
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route="/admin/customers",
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order=20,
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),
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],
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),
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],
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FrontendType.VENDOR: [
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MenuSectionDefinition(
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id="customers",
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label_key="customers.menu.customers_section",
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icon="user-group",
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order=30,
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items=[
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MenuItemDefinition(
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id="customers",
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label_key="customers.menu.all_customers",
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icon="user-group",
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route="/vendor/{vendor_code}/customers",
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order=10,
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),
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],
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),
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],
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},
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is_core=True, # Customers is a core module - customer data is fundamental
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# =========================================================================
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# Self-Contained Module Configuration
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# =========================================================================
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is_self_contained=True,
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services_path="app.modules.customers.services",
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models_path="app.modules.customers.models",
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schemas_path="app.modules.customers.schemas",
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exceptions_path="app.modules.customers.exceptions",
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# Metrics provider for dashboard statistics
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metrics_provider=_get_metrics_provider,
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)
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def get_customers_module_with_routers() -> ModuleDefinition:
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"""
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Get customers module with routers attached.
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This function attaches the routers lazily to avoid circular imports
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during module initialization.
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"""
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customers_module.admin_router = _get_admin_router()
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customers_module.vendor_router = _get_vendor_router()
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return customers_module
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__all__ = ["customers_module", "get_customers_module_with_routers"]
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