major refactoring adding vendor and customer features

app/api/v1/vendor/dashboard.py

@@ -0,0 +1,62 @@
+# app/api/v1/vendor/dashboard.py
+"""
+Vendor dashboard and statistics endpoints.
+"""
+
+import logging
+from fastapi import APIRouter, Depends
+from sqlalchemy.orm import Session
+
+from app.api.deps import get_current_user
+from app.core.database import get_db
+from middleware.vendor_context import require_vendor_context
+from app.services.stats_service import stats_service
+from models.database.user import User
+from models.database.vendor import Vendor
+
+router = APIRouter(prefix="/dashboard")
+logger = logging.getLogger(__name__)
+
+
+@router.get("/stats")
+def get_vendor_dashboard_stats(
+        vendor: Vendor = Depends(require_vendor_context()),
+        current_user: User = Depends(get_current_user),
+        db: Session = Depends(get_db),
+):
+    """
+    Get vendor-specific dashboard statistics.
+
+    Returns statistics for the current vendor only:
+    - Total products in catalog
+    - Total orders
+    - Total customers
+    - Revenue metrics
+    """
+    # Get vendor-scoped statistics
+    stats_data = stats_service.get_vendor_stats(db=db, vendor_id=vendor.id)
+
+    return {
+        "vendor": {
+            "id": vendor.id,
+            "name": vendor.name,
+            "vendor_code": vendor.vendor_code,
+        },
+        "products": {
+            "total": stats_data.get("total_products", 0),
+            "active": stats_data.get("active_products", 0),
+        },
+        "orders": {
+            "total": stats_data.get("total_orders", 0),
+            "pending": stats_data.get("pending_orders", 0),
+            "completed": stats_data.get("completed_orders", 0),
+        },
+        "customers": {
+            "total": stats_data.get("total_customers", 0),
+            "active": stats_data.get("active_customers", 0),
+        },
+        "revenue": {
+            "total": stats_data.get("total_revenue", 0),
+            "this_month": stats_data.get("revenue_this_month", 0),
+        }
+    }