# Phase 3: Notify Module Conversion

**Sprint:** 4
**Duration:** 1 sprint
**Status:** DONE (2025-12-02)
**Dependencies:** Phase 0 (Foundations)

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## Objectives

1. Create `StellaOps.Notify.Storage.Postgres` project
2. Implement Notify schema in PostgreSQL
3. Implement 15 repository interfaces
4. Handle delivery tracking and escalation state
5. Switch Notify services to PostgreSQL-only (cutover)

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## Deliverables

| Deliverable | Acceptance Criteria |
|-------------|---------------------|
| Notify schema | All tables created with indexes |
| Repository implementations | All 15 interfaces implemented |
| Integration tests | 100% coverage of CRUD operations |
| Verification report | Notification delivery verified |

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## Schema Reference

See [SPECIFICATION.md](../SPECIFICATION.md) Section 5.5 for complete Notify schema.

**Tables:**
- `notify.channels`
- `notify.rules`
- `notify.templates`
- `notify.deliveries`
- `notify.digests`
- `notify.quiet_hours`
- `notify.maintenance_windows`
- `notify.escalation_policies`
- `notify.escalation_states`
- `notify.on_call_schedules`
- `notify.inbox`
- `notify.incidents`
- `notify.audit`

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## Task Breakdown

### T3.1: Create Notify.Storage.Postgres Project

**Status:** DONE
**Estimate:** 0.5 days

**Subtasks:**
- [x] Create project structure
- [x] Add NuGet references
- [x] Create `NotifyDataSource` class
- [x] Create `ServiceCollectionExtensions.cs`

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### T3.2: Implement Schema Migrations

**Status:** DONE
**Estimate:** 1 day

**Subtasks:**
- [x] Create schema migration
- [x] Include all tables and indexes
- [x] Test migration idempotency

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### T3.3: Implement Channel Repository

**Status:** DONE
**Estimate:** 0.5 days

**Subtasks:**
- [ ] Implement CRUD operations
- [ ] Handle channel types (email, slack, teams, etc.)
- [ ] Write integration tests

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### T3.4: Implement Rule Repository

**Status:** DONE
**Estimate:** 0.5 days

**Subtasks:**
- [ ] Implement CRUD operations
- [ ] Handle filter JSONB
- [ ] Write integration tests

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### T3.5: Implement Template Repository

**Status:** DONE
**Estimate:** 0.5 days

**Subtasks:**
- [ ] Implement CRUD operations
- [ ] Handle localization
- [ ] Write integration tests

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### T3.6: Implement Delivery Repository

**Status:** DONE
**Estimate:** 1 day

**Subtasks:**
- [ ] Implement CRUD operations
- [ ] Handle status transitions
- [ ] Implement retry logic
- [ ] Write integration tests

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### T3.7: Implement Remaining Repositories

**Status:** DONE
**Estimate:** 2 days

**Subtasks:**
- [ ] Implement Digest repository
- [ ] Implement QuietHours repository
- [ ] Implement MaintenanceWindow repository
- [ ] Implement EscalationPolicy repository
- [ ] Implement EscalationState repository
- [ ] Implement OnCallSchedule repository
- [ ] Implement Inbox repository
- [ ] Implement Incident repository
- [ ] Implement Audit repository
- [ ] Write integration tests for all

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### T3.8: Add Configuration Switch

**Status:** DONE
**Estimate:** 0.5 days

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### T3.9: Run Verification Tests

**Status:** DONE
**Estimate:** 1 day

**Subtasks:**
- [ ] Test notification delivery flow
- [ ] Test escalation handling
- [ ] Test digest aggregation
- [ ] Generate verification report

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### T3.10: Switch to PostgreSQL-Only

**Status:** DONE
**Estimate:** 0.5 days

**Notes:**
- `StellaOps.Notify.WebService` now registers `AddNotifyPostgresStorage` exclusively; Mongo/InMemory paths removed.
- Integration suites (delivery/escalation/digest) passing on Postgres (see `out/test-results/notify-postgres/TestResults_Postgres.trx`).

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## Exit Criteria

- [x] All 15 repository interfaces implemented
- [x] All integration tests pass
- [x] Notification delivery working end-to-end
- [x] Notify running on PostgreSQL in production

## Execution Log
| Date (UTC) | Update | Owner |
| --- | --- | --- |
| 2025-12-02 | Cutover to PostgreSQL-only; Mongo/InMemory paths removed. | Notify |
| 2025-12-04 | Synced task statuses; linked verification report (`docs/db/reports/notify-verification-2025-12-02.md`). | PM |

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*Phase Version: 1.0.0*
*Last Updated: 2025-12-02*