Feat procurement module

[RUKAYAT-CODER]

[BACKEND] Implement Procurement Module

📌 Description

The Procurement Module will handle the lifecycle of asset purchase requests and approvals, ensuring that procurement is properly tracked and linked to asset registration.

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✅ Expected Behavior

• Table procurement_requests with fields:
  • itemName
  • quantity
  • requestedBy
  • status
• API endpoints to create and approve/reject procurement requests.
• Approved procurements are automatically linked to asset registration.

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🛠️ Tasks

• Generate procurement module.
• Define ProcurementRequest entity & DTOs.
• Implement ProcurementService with request + approval logic.
  -[x] Add controller endpoints for:
  • Create procurement request
  • Approve/reject procurement request
• Link approved requests to asset registration module.
• Add unit tests for request and approval workflows.

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📂 Impacted Files

• src/modules/procurement/procurement.module.ts (new)
• src/modules/procurement/entities/procurement-request.entity.ts (new)
• src/modules/procurement/dto/*.dto.ts (new)
• src/modules/procurement/procurement.service.ts (new)
• src/modules/procurement/procurement.controller.ts (new)
• test/procurement/*.spec.ts (new)

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🧪 Acceptance Criteria

• Procurement requests can be created with required fields.
• Approve/reject endpoints correctly update status.
• Approved procurements are linked to asset registration.
• All tests pass with correct request + approval logic.

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🏷️ Labels

backend procurement asset-management priority-high

close #226

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