48 lines
1.9 KiB
Markdown
48 lines
1.9 KiB
Markdown
# subwave-nowplaying
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Tronbyt/Tidbyt app showing the current track on a [SUB/WAVE](https://github.com/perminder-klair/subwave)
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internet radio station: album art, track title, artist, and station name,
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with title/artist scrolling if they don't fit.
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Not tied to any specific station — set your own station's base URL in the
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app's config when adding it to a device.
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## Configuration
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- **Station URL** — the base URL of your SUB/WAVE instance, e.g.
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`https://radio.example.com`. No trailing slash needed (stripped
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automatically). No auth required — SUB/WAVE's now-playing and cover-art
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endpoints are public.
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## How it works
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- `GET {station_url}/api/now-playing` — track title, artist, `subsonic_id`,
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DJ/station name, and stream online status. Cached 20s.
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- `GET {station_url}/api/cover/{subsonic_id}` — album art JPEG, proxied by
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SUB/WAVE itself (no Navidrome credentials needed). Cached 300s.
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- If the station reports `streamOnline: false`, shows "<station> offline"
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instead of stale track info.
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- If a track has no `subsonic_id`, or the cover fetch fails, falls back to a
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full-width layout with no art rather than a broken image.
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**Note on unreachable hosts:** if the station URL is wrong or the host is
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completely unreachable (DNS failure, connection refused), `http.get` raises
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a hard error and the render fails for that cycle — this is normal pixlet/
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Starlark behavior (no try/except in the language), not a bug. Only
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HTTP-level errors (404, 500, etc.) are something the app can catch and
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display a message for, which it does.
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## Dev/test
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```
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pixlet render subwave_nowplaying.star station_url=https://your-station.example.com
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pixlet serve subwave_nowplaying.star
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```
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## Deploy
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Upload `subwave_nowplaying.star` directly through your Tronbyt server's
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"Upload app" button on a device's Add App page (single file, no bundled
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assets — no need to zip). Configure the Station URL field when adding it to
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your device's schedule.
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