# Attune Project Progress

**Last Updated**: 2024

## Project Overview

Attune is an event-driven automation and orchestration platform built in Rust, similar to StackStorm or Apache Airflow. The project supports workflow orchestration, human-in-the-loop interactions, RBAC, and multi-tenancy.

## Overall Status: 🟢 Repository Layer Complete

- **Started**: Initial project setup
- **Current Phase**: Phase 1.3 - Database Testing
- **Next Milestone**: API Service Implementation

---

## Completed Phases

### ✅ Phase 0: Project Setup
**Status**: COMPLETE  
**Completed**: Initial setup  
**Duration**: 1 day

**Accomplishments**:
- [x] Cargo workspace structure with 6 crates
- [x] Common library (`attune-common`)
  - Configuration management
  - Error handling with typed errors
  - Database connection pooling
  - Data models (18 models matching Python reference)
  - Schema validation utilities
  - Common utilities (pagination, formatting, etc.)
- [x] Service crate scaffolding
  - `attune-api` - REST API gateway
  - `attune-executor` - Execution management
  - `attune-worker` - Action execution
  - `attune-sensor` - Event monitoring
  - `attune-notifier` - Real-time notifications
- [x] Documentation
  - README.md - Project overview
  - models.md - Complete data model documentation
  - WORKSPACE_SETUP.md - Development guide
  - TODO.md - Implementation roadmap
- [x] Development tooling
  - Makefile with common tasks
  - .env.example configuration template
  - .gitignore for Rust projects
- [x] ✅ Successful build of all crates

### ✅ Phase 1.1: Database Migrations
**Status**: COMPLETE  
**Completed**: 2024  
**Duration**: 1 session

**Accomplishments**:
- [x] Created `migrations/` directory
- [x] 12 SQL migration files
  1. Schema and service role setup
  2. 11 enum types (status fields, categories)
  3. Pack table (automation bundles)
  4. Runtime and Worker tables
  5. Trigger and Sensor tables
  6. Action and Rule tables
  7. Event and Enforcement tables
  8. Execution and Inquiry tables
  9. Identity, Permissions, Policy tables
  10. Key table (secrets storage)
  11. Notification and Artifact tables
  12. 60+ performance indexes
- [x] Database objects created:
  - 18 tables (all core models)
  - 11 enum types
  - 100+ indexes (B-tree, GIN, composite)
  - 20+ triggers (timestamps, validation, notifications)
  - 5+ functions (validation, pg_notify)
- [x] Key features implemented:
  - Automatic timestamp management
  - Reference preservation for audit trails
  - Soft deletes with proper cascades
  - Comprehensive validation constraints
  - Performance-optimized indexes
  - Real-time notifications via pg_notify
  - JSONB support for flexible schemas
- [x] Documentation:
  - `migrations/README.md` - Complete migration guide
  - `docs/phase-1-1-complete.md` - Phase summary
- [x] Tooling:
  - `scripts/setup-db.sh` - Automated database setup

**Artifacts**:
- 12 migration files
- 1 setup script
- 2 documentation files
- 100+ database objects

### ✅ Phase 1.2: Database Repository Layer
**Status**: COMPLETE  
**Completed**: 2024  
**Duration**: 1 session

**Accomplishments**:
- [x] Created `crates/common/src/repositories/` module structure
- [x] Implemented comprehensive repository trait system
  - Repository, FindById, FindByRef, List, Create, Update, Delete traits
  - Generic executor support (pools and transactions)
  - Pagination helper types
- [x] Implemented 12 repository modules with full CRUD:
  - [x] Pack repository (~435 lines)
  - [x] Action & Policy repositories (~610 lines)
  - [x] Runtime & Worker repositories (~550 lines)
  - [x] Trigger & Sensor repositories (~579 lines)
  - [x] Rule repository (~310 lines)
  - [x] Event & Enforcement repositories (~455 lines)
  - [x] Execution repository (~160 lines)
  - [x] Inquiry repository (~160 lines)
  - [x] Identity, PermissionSet, PermissionAssignment repositories (~320 lines)
  - [x] Key/Secret repository (~130 lines)
  - [x] Notification repository (~130 lines)
- [x] Added transaction support via SQLx transaction types
- [x] Implemented dynamic query building for updates
- [x] Database-enforced uniqueness with error conversion
- [x] Search and filtering methods for each entity
- [x] ✅ All repositories build successfully with zero errors/warnings

**Key Features**:
- Trait-based design for modularity
- Generic executor pattern (works with pools and transactions)
- Dynamic UPDATE queries (only updates provided fields)
- Automatic unique constraint handling
- Type-safe queries with SQLx
- Comprehensive error handling

**Artifacts**:
- 12 repository modules (~4,135 lines of code)
- Repository framework (296 lines)
- Implementation summary documentation

**Tests**: Deferred to Phase 1.3 (integration tests preferred)

---

## Current Phase

### 🔄 Phase 1.3: Database Testing
**Status**: PLANNED  
**Started**: Not yet  
**Target Completion**: 1 week

**Tasks**:
- [ ] Set up test database environment
- [ ] Write integration tests for repositories
- [ ] Test CRUD operations for each repository
- [ ] Test transaction boundaries
- [ ] Test error handling scenarios
- [ ] Test concurrent operations

**Blockers**: None

---

## Upcoming Phases

### Phase 2: API Service
**Status**: NEXT  
**Priority**: HIGH  
**Estimated Duration**: 4-5 weeks

**Key Deliverables**:
- REST API with authentication
- CRUD endpoints for all models using repositories
- WebSocket support for notifications
- OpenAPI/Swagger documentation
- Health check endpoints

### Phase 3: Message Queue Infrastructure
**Status**: PLANNED  
**Priority**: HIGH  
**Estimated Duration**: 1-2 weeks

**Key Deliverables**:
- RabbitMQ setup
- Message types and schemas
- Publisher/consumer infrastructure

### Phase 4: Executor Service
**Status**: PLANNED  
**Priority**: HIGH  
**Estimated Duration**: 3-4 weeks

**Key Deliverables**:
- Enforcement processing
- Execution scheduling
- Policy enforcement
- Workflow management

### Phase 5: Worker Service
**Status**: PLANNED  
**Priority**: HIGH  
**Estimated Duration**: 4-5 weeks

**Key Deliverables**:
- Local runtime execution
- Container runtime execution
- Secret management
- Artifact handling

---

## Metrics

### Code Statistics
- **Total Crates**: 6 (1 library + 5 services)
- **Lines of Code**: ~9,500 (Rust)
  - Common library: ~4,500 lines
  - Repository layer: ~4,100 lines
  - Services: ~900 lines (scaffolding)
- **Migration Lines**: ~1,500 (SQL)
- **Database Tables**: 18
- **Database Indexes**: 100+
- **Repository Modules**: 12
- **Test Coverage**: TBD (pending Phase 1.3)

### Progress by Phase
| Phase | Status | Progress | Duration |
|-------|--------|----------|----------|
| Phase 0: Setup | ✅ Complete | 100% | 1 session |
| Phase 1.1: Migrations | ✅ Complete | 100% | 1 session |
| Phase 1.2: Repositories | ✅ Complete | 100% | 1 session |
| Phase 1.3: Testing | 🔄 Next | 0% | TBD |
| Phase 2: API Service | ⏳ Planned | 0% | 4-5 weeks |
| Phase 3: Message Queue | ⏳ Planned | 0% | 1-2 weeks |
| Phase 4: Executor | ⏳ Planned | 0% | 3-4 weeks |
| Phase 5: Worker | ⏳ Planned | 0% | 4-5 weeks |
| Phase 6: Sensor | ⏳ Planned | 0% | 3-4 weeks |
| Phase 7: Notifier | ⏳ Planned | 0% | 2-3 weeks |
| Phase 8: Advanced Features | ⏳ Planned | 0% | 4-6 weeks |
| Phase 9: Production Ready | ⏳ Planned | 0% | 3-4 weeks |
| Phase 10: Example Packs | ⏳ Planned | 0% | 2-3 weeks |

**Overall Progress**: ~20% (Database layer complete)

---

## Recent Achievements

### Latest Session
- ✅ Set up complete Cargo workspace
- ✅ Implemented common library with all models
- ✅ Created all 12 database migrations
- ✅ Created database setup automation
- ✅ **Implemented complete repository layer (12 modules, ~4,100 lines)**
- ✅ **All repositories build successfully with zero errors**
- ✅ Comprehensive documentation

### Next Goals
- 🎯 Set up test database environment
- 🎯 Write integration tests for repositories
- 🎯 Begin API service implementation

---

## Key Decisions

### Technology Choices
- **Language**: Rust (performance, safety, async)
- **Database**: PostgreSQL 14+ (JSONB, arrays, triggers)
- **Web Framework**: Axum (ergonomic, fast)
- **Database Client**: SQLx (compile-time checked queries)
- **Message Queue**: RabbitMQ via Lapin
- **Cache**: Redis (optional)

### Architecture Decisions
- Microservices architecture with specialized services
- Event-driven communication via message queue
- JSONB for flexible schemas
- Soft deletes with reference preservation
- Real-time notifications via PostgreSQL LISTEN/NOTIFY

---

## Resources

### Documentation
- [README.md](README.md) - Project overview
- [TODO.md](TODO.md) - Detailed implementation plan
- [WORKSPACE_SETUP.md](WORKSPACE_SETUP.md) - Development guide
- [reference/models.md](reference/models.md) - Data model documentation
- [migrations/README.md](migrations/README.md) - Database migration guide
- [phase-1.2-repositories-summary.md](phase-1.2-repositories-summary.md) - Repository layer summary

### Scripts
- `scripts/setup-db.sh` - Database setup automation
- `Makefile` - Common development tasks

### Configuration
- `.env.example` - Configuration template
- `Cargo.toml` - Workspace dependencies

---

## How to Get Started

1. **Clone and Setup**:
   ```bash
   git clone <repo>
   cd attune
   cp .env.example .env
   # Edit .env with your settings
   ```

2. **Setup Database**:
   ```bash
   ./scripts/setup-db.sh
   ```

3. **Build Project**:
   ```bash
   cargo build
   ```

4. **Run Tests**:
   ```bash
   cargo test
   ```

5. **Start Services** (when implemented):
   ```bash
   cargo run --bin attune-api
   ```

---

## Contact & Contributing

This is an active development project. Current focus is on implementing the repository layer.

**Development Principles**:
- Test-driven development
- Incremental delivery
- Documentation as code
- Security by design
- Performance optimization

---

## Legend

- ✅ Complete
- 🔄 In Progress
- ⏳ Planned/Pending
- 🎯 Current Goal
- 🟢 On Track
- 🟡 At Risk
- 🔴 Blocked