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69402567e3
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feat(procurement): add budget control and alerts
Budget Model Enhancements:
- Add reserved_amount property (sum of pending requests)
- Add available_amount property (remaining - reserved)
- Add _quarter_months() helper method
API Endpoints:
- Add /budgets/my-department/ endpoint for user's department budget
- Add /stats/overview/ for procurement statistics
- Add /stats/by-department/ for department-level statistics
- Register ProcurementStatsViewSet in urls.py
Budget Alerts:
- Add _check_budget_alert() method in ProcurementRequestViewSet
- Send notifications when budget < 20% (low) or < 10% (critical)
- Alerts sent to department head via NotificationService
Serializers:
- Add reserved_amount, available_amount to BudgetSerializer
- Add BudgetDetailSerializer with pending_requests list
Permissions:
- Fix led_departments → headed_departments in BudgetViewSet
- Allow my_department endpoint for all authenticated users
Tests:
- Add test_budget.py with 11 new tests
- TestBudgetReservedAmount (3 tests)
- TestBudgetMyDepartmentEndpoint (3 tests)
- TestProcurementStatsEndpoints (4 tests)
- TestBudgetAlerts (1 test)
All 52 procurement tests passing:
✅ 20/20 Model tests
✅ 12/12 API tests
✅ 9/9 Workflow tests
✅ 11/11 Budget tests (NEW)
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2025-12-09 10:19:24 +03:00 |
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