77 lines
3.0 KiB
Markdown
77 lines
3.0 KiB
Markdown
# Implementation Plan: Fitbit/Garmin Data Sync
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**Branch**: `002-fitbit-garmin-sync` | **Date**: 2025-12-24 | **Spec**: [link](./spec.md)
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**Input**: Feature specification from `specs/002-fitbit-garmin-sync/spec.md`
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## Summary
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This feature will implement synchronization of activities and health metrics from Garmin Connect to the application's database. The implementation will involve wiring up existing backend stub endpoints to a sync service that uses the `garth` library to fetch data from Garmin. The synced data will be stored in a PostgreSQL database and exposed through a series of new API endpoints for querying and retrieval.
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## Technical Context
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**Language/Version**: Python 3.11
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**Primary Dependencies**: FastAPI, Uvicorn, SQLAlchemy, Pydantic, garth
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**Storage**: PostgreSQL
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**Testing**: pytest, pytest-asyncio
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**Target Platform**: Linux server (via Docker)
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**Project Type**: Web application (backend)
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**Performance Goals**: Standard web application performance, with API responses under 500ms p95.
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**Constraints**: The solution should be implemented within the existing `backend` service.
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**Scale/Scope**: The initial implementation will support syncing data for a single user.
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## Constitution Check
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*GATE: Must pass before Phase 0 research. Re-check after Phase 1 design.*
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- **Test-First**: The implementation will follow a test-driven approach. For each endpoint and service function, a corresponding set of unit and/or integration tests will be written before the implementation.
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*VERDICT: The plan adheres to the core principles of the constitution.*
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## Project Structure
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### Documentation (this feature)
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```text
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specs/002-fitbit-garmin-sync/
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├── plan.md # This file
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├── research.md # Phase 0 output
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├── data-model.md # Phase 1 output
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├── quickstart.md # Phase 1 output
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├── contracts/ # Phase 1 output
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│ └── api-contract.yaml
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└── tasks.md # Phase 2 output (created by /speckit.tasks)
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```
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### Source Code (repository root)
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The implementation will be contained within the existing `backend` directory structure.
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```text
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backend/
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├── src/
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│ ├── api/
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│ │ ├── activities.py
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│ │ ├── metrics.py
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│ │ └── sync.py
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│ ├── models/
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│ │ ├── activity.py
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│ │ └── health_metric.py
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│ └── services/
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│ ├── sync_app.py
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│ └── garmin/
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│ └── client.py
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└── tests/
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├── integration/
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│ ├── test_sync_flow.py
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└── unit/
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├── test_api/
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│ ├── test_activities.py
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│ └── test_metrics.py
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└── test_services/
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└── test_sync_app.py
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```
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**Structure Decision**: The plan adheres to the existing project structure, which is a single backend service. New functionality will be added to the appropriate existing modules.
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## Complexity Tracking
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*No constitutional violations to justify.* |