feat: add customers list on the dashboard

apps/api/src/services/payments/payments_customers.py

@@ -0,0 +1,51 @@
+from fastapi import HTTPException, Request
+from sqlmodel import Session, select
+from src.db.organizations import Organization
+from src.db.users import PublicUser, AnonymousUser, User
+from src.db.payments.payments_users import PaymentsUser
+from src.db.payments.payments_products import PaymentsProduct
+from src.services.orgs.orgs import rbac_check
+from src.services.payments.payments_products import get_payments_product
+from src.services.users.users import read_user_by_id
+
+async def get_customers(
+    request: Request,
+    org_id: int,
+    current_user: PublicUser | AnonymousUser,
+    db_session: Session,
+):
+    # Check if organization exists
+    statement = select(Organization).where(Organization.id == org_id)
+    org = db_session.exec(statement).first()
+    if not org:
+        raise HTTPException(status_code=404, detail="Organization not found")
+
+    # RBAC check
+    await rbac_check(request, org.org_uuid, current_user, "read", db_session)
+
+    # Get all payment users for the organization
+    statement = select(PaymentsUser).where(PaymentsUser.org_id == org_id)
+    payment_users = db_session.exec(statement).all()
+
+    customers_data = []
+    
+    for payment_user in payment_users:
+        # Get user data
+        user = await read_user_by_id(request, db_session, current_user, payment_user.user_id)
+        
+        # Get product data
+        if org.id is None:
+            raise HTTPException(status_code=400, detail="Invalid organization ID")
+        product = await get_payments_product(request, org.id, payment_user.payment_product_id, current_user, db_session)
+
+        customer_data = {
+            'payment_user_id': payment_user.id,
+            'user': user if user else None,
+            'product': product if product else None,
+            'status': payment_user.status,
+            'creation_date': payment_user.creation_date,
+            'update_date': payment_user.update_date
+        }
+        customers_data.append(customer_data)
+
+    return customers_data