128 lines
5.8 KiB
Markdown
128 lines
5.8 KiB
Markdown
# DMRmap
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A web app that visualizes DMR repeaters on an interactive map. Filter by band and network, search by callsign or address, find repeaters along a driving route, and export CPS-ready channel configurations.
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**Live:** https://dmrmap.de
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## Features
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- Interactive OpenStreetMap with repeater markers (blue = VHF/2m, red = UHF/70cm)
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- Band filtering (2m / 70cm) and network filtering (BrandMeister, DMR+, TGIF, Other)
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- Toggle visibility of personal hotspots and inactive repeaters
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- Free-text search by callsign, city, or DMR ID
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- Address-to-address routing via OSRM with adjustable corridor width
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- Click-to-pin with adjustable radius search
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- Detailed repeater popups (frequencies, color code, timeslots, hardware, power, antenna height, BrandMeister status)
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- Real-time Last Heard heatmap via BrandMeister WebSocket
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- CPS Studio: manage talk groups, set timeslots, export Motorola CPS 2.0 compatible XML
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- Coordinate display with Maidenhead grid locator
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- Dark mode (follows system preference)
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- Internationalization (English, German, Spanish, French, Italian, Polish)
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- No external CDN dependencies — all assets served locally
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## Tech Stack
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- **Backend:** Go (stdlib `net/http`), PostgreSQL 17 via `pgx/v5`, migrations via `goose/v3`
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- **Frontend:** TypeScript (bundled with esbuild), Leaflet, i18next
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- **Testing:** Vitest (92 unit tests)
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- **Infrastructure:** Docker Compose, multi-stage Dockerfile
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## External Services
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| Service | Usage | Auth |
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|---------|-------|------|
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| [RadioID](https://radioid.net/database/dumps) | Repeater database (seeded from `rptrs.json` dump) | None |
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| [BrandMeister API](https://wiki.brandmeister.network/index.php/API) | Device status sync (`/v2/device/{id}`), talk group registry (`/v2/talkgroup`) | None (public read) |
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| [BrandMeister WebSocket](https://wiki.brandmeister.network/index.php/API/Last_Heard) | Real-time Last Heard feed for heatmap via socket.io | None |
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| [Nominatim](https://nominatim.openstreetmap.org) | Address geocoding and autocomplete (client-side) | None |
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| [OSRM](https://project-osrm.org) | Driving route calculation (client-side) | None |
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The BrandMeister talk group registry is fetched once at Docker build time and bundled as `frontend/static/talkgroups.json`. It is used for talk group name resolution and autocomplete in CPS Studio.
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## Running with Docker
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```sh
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docker compose up --build
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```
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Open http://localhost:8080. PostgreSQL data is persisted in a named volume.
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## Development
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Hot-reload with [air](https://github.com/air-verse/air) (Go) and esbuild watch (TypeScript):
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```sh
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docker compose -f compose.dev.yml up --build
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```
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The dev container mounts the project directory, so changes to Go and frontend files are picked up automatically.
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### Running Tests
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```sh
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docker compose -f compose.test.yml run --rm test
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```
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## Environment Variables
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| Variable | Default | Description |
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|----------|---------|-------------|
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| `DATABASE_URL` | `postgres://dmrmap:dmrmap@localhost:5432/dmrmap?sslmode=disable` | PostgreSQL connection string |
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| `JSON_PATH` | `rptrs.json` | Path to RadioID repeater dump |
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| `BMRPTRS_PATH` | `bmrptrs.json` | Path to BrandMeister repeater dump |
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| `LISTEN_ADDR` | `:8080` | HTTP listen address |
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| `STATIC_DIR` | `static` | Path to static frontend assets |
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| `MIGRATIONS_DIR` | `migrations` | Path to SQL migration files |
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| `BM_SYNC` | *(disabled)* | Set to `true` to enable periodic BrandMeister device sync |
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| `ADMIN_TOKEN` | *(disabled)* | Set to enable the admin interface at `/admin/` |
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## API Endpoints
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| Method | Path | Description |
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|--------|------|-------------|
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| GET | `/api/repeaters` | Repeaters within map bounding box (query: `minLat`, `maxLat`, `minLng`, `maxLng`, `band`, `network`, `hotspots`, `inactive`) |
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| GET | `/api/repeaters/radius` | Repeaters within radius of a point (query: `lat`, `lng`, `radius`) |
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| POST | `/api/repeaters/route` | Repeaters along a route corridor (body: GeoJSON coordinates + `corridor` width) |
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| GET | `/api/repeater` | Single repeater by ID (query: `id`) |
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| GET | `/api/repeaters/search` | Free-text search (query: `q`) |
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## Project Structure
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```
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├── backend/
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│ ├── main.go # Route registration, env config
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│ ├── db.go # DB queries, Repeater struct, geo helpers
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│ ├── handlers.go # Public API handlers
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│ ├── admin.go # Admin auth middleware + admin API
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│ ├── bmdevice.go # BrandMeister device sync
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│ ├── seed.go # Database seeding from JSON dumps
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│ ├── migrate.go # Goose migration runner
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│ ├── go.mod / go.sum
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│ ├── migrations/ # SQL migrations (goose)
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│ └── data/ # RadioID + BrandMeister JSON dumps
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├── frontend/
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│ ├── src/ # TypeScript source + tests
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│ ├── static/
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│ │ ├── index.html # Single-page HTML shell
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│ │ ├── admin.html # Admin interface
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│ │ ├── style.css # Styles with dark mode support
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│ │ ├── i18n.js # i18next initialization
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│ │ ├── locales/ # Translation files (en, de, es, fr, it, pl)
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│ │ └── lib/ # Vendored JS libraries (Leaflet, i18next, socket.io)
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│ ├── package.json
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│ ├── tsconfig.json
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│ └── vitest.config.ts
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├── Dockerfile # Production multi-stage build
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├── Dockerfile.dev # Development image with air + esbuild
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├── compose.yml # Production Docker Compose
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├── compose.dev.yml # Development Docker Compose
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└── compose.test.yml # Test runner Docker Compose
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```
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## Data
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Repeater data provided by [RadioID](https://radioid.net/database/dumps). Availability and talk group data by [BrandMeister](https://brandmeister.network). This project is not affiliated with or endorsed by RadioID or BrandMeister.
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## License
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[MIT](LICENSE)
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