major refactoring adding vendor and customer features

app/api/v1/admin/dashboard.py

@@ -0,0 +1,90 @@
+# app/api/v1/admin/dashboard.py
+"""
+Admin dashboard and statistics endpoints.
+"""
+
+import logging
+from typing import List
+from fastapi import APIRouter, Depends
+from sqlalchemy.orm import Session
+
+from app.api.deps import get_current_admin_user
+from app.core.database import get_db
+from app.services.admin_service import admin_service
+from app.services.stats_service import stats_service
+from models.database.user import User
+from models.schemas.stats import MarketplaceStatsResponse, StatsResponse
+
+router = APIRouter(prefix="/dashboard")
+logger = logging.getLogger(__name__)
+
+
+@router.get("")
+def get_admin_dashboard(
+    db: Session = Depends(get_db),
+    current_admin: User = Depends(get_current_admin_user),
+):
+    """Get admin dashboard with platform statistics (Admin only)."""
+    return {
+        "platform": {
+            "name": "Multi-Tenant Ecommerce Platform",
+            "version": "1.0.0",
+        },
+        "users": admin_service.get_user_statistics(db),
+        "vendors": admin_service.get_vendor_statistics(db),
+        "recent_vendors": admin_service.get_recent_vendors(db, limit=5),
+        "recent_imports": admin_service.get_recent_import_jobs(db, limit=10),
+    }
+
+
+@router.get("/stats", response_model=StatsResponse)
+def get_comprehensive_stats(
+    db: Session = Depends(get_db),
+    current_admin: User = Depends(get_current_admin_user),
+):
+    """Get comprehensive platform statistics (Admin only)."""
+    stats_data = stats_service.get_comprehensive_stats(db=db)
+
+    return StatsResponse(
+        total_products=stats_data["total_products"],
+        unique_brands=stats_data["unique_brands"],
+        unique_categories=stats_data["unique_categories"],
+        unique_marketplaces=stats_data["unique_marketplaces"],
+        unique_vendors=stats_data["unique_vendors"],
+        total_inventory_entries=stats_data["total_inventory_entries"],
+        total_inventory_quantity=stats_data["total_inventory_quantity"],
+    )
+
+
+@router.get("/stats/marketplace", response_model=List[MarketplaceStatsResponse])
+def get_marketplace_stats(
+    db: Session = Depends(get_db),
+    current_admin: User = Depends(get_current_admin_user),
+):
+    """Get statistics broken down by marketplace (Admin only)."""
+    marketplace_stats = stats_service.get_marketplace_breakdown_stats(db=db)
+
+    return [
+        MarketplaceStatsResponse(
+            marketplace=stat["marketplace"],
+            total_products=stat["total_products"],
+            unique_vendors=stat["unique_vendors"],
+            unique_brands=stat["unique_brands"],
+        )
+        for stat in marketplace_stats
+    ]
+
+
+@router.get("/stats/platform")
+def get_platform_statistics(
+    db: Session = Depends(get_db),
+    current_admin: User = Depends(get_current_admin_user),
+):
+    """Get comprehensive platform statistics (Admin only)."""
+    return {
+        "users": admin_service.get_user_statistics(db),
+        "vendors": admin_service.get_vendor_statistics(db),
+        "products": admin_service.get_product_statistics(db),
+        "orders": admin_service.get_order_statistics(db),
+        "imports": admin_service.get_import_statistics(db),
+    }