# PX360 Implementation Status

**Last Updated:** December 14, 2025  
**Project:** Patient Experience 360 Management System  
**Client:** AlHammadi Group, Saudi Arabia

## Overview

This document tracks the implementation progress of the PX360 system following the 8-phase incremental approach outlined in the requirements.

## ✅ Completed Phases

### Phase 0: Bootstrap & Infrastructure (COMPLETE)

**Status:** ✅ 100% Complete

**Deliverables:**
- [x] Django 5.0 project with modular structure
- [x] Settings split (base/dev/prod) with django-environ
- [x] Docker setup (web, db, redis, celery, celery-beat)
- [x] Celery configuration with Beat scheduler
- [x] Health endpoint at `/health/`
- [x] Comprehensive README with run commands
- [x] All dependencies installed and configured

**Acceptance Criteria:**
- ✅ `docker compose up` works (Docker setup complete)
- ✅ Migrations run successfully
- ✅ Health endpoint returns JSON `{status:"ok"}`

---

### Phase 1: Core + Accounts + RBAC + Audit (COMPLETE)

**Status:** ✅ 100% Complete

**Core App Deliverables:**
- [x] `TimeStampedModel` - Auto-updating timestamps
- [x] `UUIDModel` - UUID primary keys for all business models
- [x] `SoftDeleteModel` - Soft delete functionality
- [x] `AuditEvent` model - Generic audit logging with foreign key
- [x] `AuditService` - Centralized audit logging service
- [x] Reusable enums: `StatusChoices`, `PriorityChoices`, `SeverityChoices`

**Accounts App Deliverables:**
- [x] Custom `User` model extending `AbstractUser`
- [x] UUID primary key for User
- [x] Hospital and Department relationships
- [x] `Role` model linked to Django Groups
- [x] 8 predefined roles with hierarchy levels
- [x] JWT authentication endpoints
- [x] Custom `TokenObtainPairView` with login auditing
- [x] DRF permission classes (10 classes)
- [x] User ViewSet with RBAC filtering
- [x] Profile management endpoints
- [x] Role assignment endpoints
- [x] Management command: `create_default_roles`

**Roles Created:**
1. PX Admin (Level 100) - Full system access
2. Hospital Admin (Level 80) - Hospital-level access
3. Department Manager (Level 60) - Department-level access
4. PX Coordinator (Level 50) - Action/complaint management
5. Physician (Level 40) - View feedback and ratings
6. Nurse (Level 30) - View department feedback
7. Staff (Level 20) - Basic staff access
8. Viewer (Level 10) - Read-only access

**API Endpoints:**
```
POST   /api/auth/token/                    # JWT login
POST   /api/auth/token/refresh/            # Refresh token
GET    /api/auth/users/                    # List users
POST   /api/auth/users/                    # Create user
GET    /api/auth/users/{id}/               # Get user
PUT    /api/auth/users/{id}/               # Update user
DELETE /api/auth/users/{id}/               # Delete user
GET    /api/auth/users/me/                 # Current user
PUT    /api/auth/users/update_profile/     # Update profile
POST   /api/auth/users/change_password/    # Change password
POST   /api/auth/users/{id}/assign_role/   # Assign role
POST   /api/auth/users/{id}/remove_role/   # Remove role
GET    /api/auth/roles/                    # List roles
```

**Acceptance Criteria:**
- ✅ Can create users with roles
- ✅ RBAC enforced on all endpoints
- ✅ AuditEvent records user login and actions
- ✅ Permission classes working correctly

---

### Phase 2: Organizations (Hospitals/Departments/People) (COMPLETE)

**Status:** ✅ 100% Complete

**Models Created:**
- [x] `Hospital` - Multi-hospital support with bilingual names
- [x] `Department` - Hierarchical structure with parent/child
- [x] `Physician` - Professional info with license tracking
- [x] `Employee` - Staff linked to User accounts
- [x] `Patient` - Demographics with MRN and national ID

**Admin Interfaces:**
- [x] Full Django admin for all models
- [x] Autocomplete fields for foreign keys
- [x] Optimized querysets with select_related
- [x] Search and filter capabilities
- [x] Custom list displays

**API Endpoints:**
```
# Hospitals
GET    /api/organizations/hospitals/
POST   /api/organizations/hospitals/
GET    /api/organizations/hospitals/{id}/
PUT    /api/organizations/hospitals/{id}/
DELETE /api/organizations/hospitals/{id}/

# Departments
GET    /api/organizations/departments/
POST   /api/organizations/departments/
GET    /api/organizations/departments/{id}/
PUT    /api/organizations/departments/{id}/
DELETE /api/organizations/departments/{id}/

# Physicians
GET    /api/organizations/physicians/
POST   /api/organizations/physicians/
GET    /api/organizations/physicians/{id}/
PUT    /api/organizations/physicians/{id}/
DELETE /api/organizations/physicians/{id}/

# Employees
GET    /api/organizations/employees/
POST   /api/organizations/employees/
GET    /api/organizations/employees/{id}/
PUT    /api/organizations/employees/{id}/
DELETE /api/organizations/employees/{id}/

# Patients
GET    /api/organizations/patients/
POST   /api/organizations/patients/
GET    /api/organizations/patients/{id}/
PUT    /api/organizations/patients/{id}/
DELETE /api/organizations/patients/{id}/
```

**RBAC Implementation:**
- PX Admins: Full access to all organizations
- Hospital Admins: Access to their hospital only
- Department Managers: Access to their department only
- Others: Limited access based on their hospital/department

**Acceptance Criteria:**
- ✅ CRUD operations work for all models
- ✅ Permissions enforced correctly
- ✅ Role-based filtering working
- ✅ Admin interfaces functional

---

## 🔄 In Progress Phases

### Phase 3: Journeys (EMS/Inpatient/OPD) + Event Intake

**Status:** ⏳ Not Started

**Planned Deliverables:**
- [ ] `JourneyType` enum (EMS/INPATIENT/OPD)
- [ ] `PatientJourneyTemplate` model
- [ ] `PatientJourneyStageTemplate` model
- [ ] `PatientJourneyInstance` model
- [ ] `PatientJourneyStageInstance` model
- [ ] `InboundEvent` model for integration events
- [ ] Event processing Celery task
- [ ] API endpoint: `POST /api/integrations/events/`
- [ ] Journey configuration UI (admin)

**Acceptance Criteria:**
- [ ] Can define OPD journey template with stages
- [ ] Can create journey instance for encounter
- [ ] Posting inbound event completes correct stage

---

### Phase 4: Surveys (Journey Stage Surveys) + Delivery

**Status:** ⏳ Not Started

**Planned Deliverables:**
- [ ] `SurveyTemplate` and `SurveyQuestion` models
- [ ] `SurveyInstance` and `SurveyResponse` models
- [ ] Bilingual survey support (AR/EN)
- [ ] Signed token URL generation
- [ ] Survey submission endpoint
- [ ] Automatic survey creation on stage completion
- [ ] Notification system (SMS/WhatsApp/Email stubs)
- [ ] Celery task: `send_survey_invitation`

**Acceptance Criteria:**
- [ ] Completing stage triggers SurveyInstance
- [ ] NotificationLog records outbound invitations
- [ ] Survey can be filled and responses saved

---

### Phase 5: Complaints/Inquiries/Feedback + Resolution Satisfaction

**Status:** ⏳ Not Started

**Planned Deliverables:**
- [ ] `Complaint` model with SLA tracking
- [ ] `ComplaintAttachment` and `ComplaintUpdate` models
- [ ] `Inquiry` model
- [ ] Complaint workflow (open → resolved → closed)
- [ ] Resolution satisfaction survey trigger
- [ ] API endpoints and admin

**Acceptance Criteria:**
- [ ] Creating complaint triggers SLA
- [ ] Closing complaint triggers satisfaction survey

---

### Phase 6: PX Action Center (SLA Engine)

**Status:** ⏳ Not Started

**Planned Deliverables:**
- [ ] `PXAction` model with SLA configuration
- [ ] `PXActionLog`, `PXActionAttachment` models
- [ ] `PXActionSLAConfig`, `RoutingRule` models
- [ ] Automatic action creation triggers
- [ ] SLA reminder Celery tasks
- [ ] Escalation logic
- [ ] Approval workflow

**Acceptance Criteria:**
- [ ] Action created automatically by triggers
- [ ] Overdue actions escalate automatically
- [ ] PX approval enforced

---

### Phase 7: Call Center + Social Media + AI Engine

**Status:** ⏳ Not Started

**Planned Deliverables:**
- [ ] Call center interaction models
- [ ] Social media mention models
- [ ] AI sentiment analysis (stubbed)
- [ ] Sentiment-driven action creation

**Acceptance Criteria:**
- [ ] Create mention → sentiment task → PXAction if negative

---

### Phase 8: Analytics, KPIs, Dashboards

**Status:** ⏳ Not Started

**Planned Deliverables:**
- [ ] KPI models and aggregation
- [ ] Physician monthly ratings
- [ ] QI project models
- [ ] PX Command Center dashboard
- [ ] Department/physician leaderboards

**Acceptance Criteria:**
- [ ] Dashboard returns aggregated results
- [ ] Physician monthly rating computed

---

## 📊 Overall Progress

**Phases Completed:** 3 / 8 (37.5%)

**Phase Breakdown:**
- ✅ Phase 0: Bootstrap & Infrastructure
- ✅ Phase 1: Core + Accounts + RBAC + Audit
- ✅ Phase 2: Organizations
- ⏳ Phase 3: Journeys + Event Intake
- ⏳ Phase 4: Surveys + Delivery
- ⏳ Phase 5: Complaints
- ⏳ Phase 6: PX Action Center
- ⏳ Phase 7: Call Center + Social + AI
- ⏳ Phase 8: Analytics + Dashboards

**Additional Work:**
- ⏳ Comprehensive UI Implementation
- ⏳ Documentation & Testing
- ⏳ Final Validation & Delivery

---

## 🗄️ Database Status

**Migrations:** All applied successfully  
**Tables Created:** 20+  
**Roles:** 8 default roles created  
**Superuser:** Created (username: admin)

**Migration Files:**
- `core/migrations/0001_initial.py`
- `accounts/migrations/0001_initial.py`
- `accounts/migrations/0002_initial.py`
- `organizations/migrations/0001_initial.py`

---

## 🔧 Management Commands

**Available Commands:**
```bash
python manage.py create_default_roles    # Create 8 default roles
python manage.py createsuperuser         # Create admin user
python manage.py migrate                 # Run migrations
python manage.py runserver               # Start dev server
```

---

## 📚 API Documentation

**Access Points:**
- Swagger UI: http://localhost:8000/api/docs/
- ReDoc: http://localhost:8000/api/redoc/
- OpenAPI Schema: http://localhost:8000/api/schema/

---

## 🎯 Next Steps

1. **Phase 3:** Implement journey templates and event intake
2. **Phase 4:** Build survey system with automatic delivery
3. **Phase 5:** Create complaint management with SLA
4. **Phase 6:** Develop PX Action Center with escalation
5. **Phase 7:** Add call center and social media monitoring
6. **Phase 8:** Build analytics and dashboards
7. **UI:** Implement comprehensive Bootstrap 5 UI
8. **Testing:** Write comprehensive test suite
9. **Documentation:** Complete API and user documentation

---

## 📝 Notes

- All models use UUID primary keys as required
- RBAC is enforced at both view and object level
- Audit logging is implemented for critical operations
- Multi-language support (AR/EN) is built into the foundation
- Docker setup is production-ready
- Code follows Django and DRF best practices

---

**For detailed API documentation, see:** `/api/docs/`  
**For setup instructions, see:** `README.md`