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Add STATIC environment variable for browser-only deployment mode

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Implement STATIC=1 environment variable to enable browser-only deployment
without proxy server infrastructure. Uses WS4KP_SERVER_AVAILABLE flag to
distinguish between server-backed and static deployments for proper URL
rewriting and User-Agent header handling.

- Add STATIC env var to skip proxy route registration at startup
- Inject WS4KP_SERVER_AVAILABLE flag via EJS template based on STATIC mode
- Update fetch.mjs to conditionally send User-Agent headers based on server availability
- Update url-rewrite.mjs to skip proxy rewriting when server is unavailable
- Use renderIndex helper for consistent template data across dev/prod modes
- Improve music playlist logging

Benefits of integrated approach:
- Single environment variable controls both server and client behavior
- Flag injection happens once at render time, not on every request
- No runtime HTML string manipulation overhead
- Clean separation between server-backed and static deployment logic
- Same codebase supports both deployment modes without duplication

Static mode (STATIC=1): Direct API calls to external services, no caching
Server mode (default): Local proxy with caching and API request observability
This commit is contained in:
Eddy G
2025-06-26 17:17:17 -04:00
parent bfd0c2b02d
commit 7f7cb96231
8 changed files with 100 additions and 35 deletions
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23
server/scripts/modules/media.mjs
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@@ -40,21 +40,32 @@ const scanMusicDirectory = async () => {
};
const getMedia = async () => {
let playlistSource = '';
try {
const response = await fetch('playlist.json');
if (response.ok) {
playlist = await response.json();
} else if (response.status === 404
&& response.headers.get('X-Weatherstar') === 'true') {
console.warn("Couldn't get playlist.json, falling back to directory scan");
playlistSource = 'from server';
} else if (response.status === 404 && response.headers.get('X-Weatherstar') === 'true') {
// Expected behavior in static deployment mode
playlist = await scanMusicDirectory();
playlistSource = 'via directory scan (static deployment)';
} else {
console.warn(`Couldn't get playlist.json: ${response.status} ${response.statusText}`);
playlist = { availableFiles: [] };
playlistSource = `failed (${response.status} ${response.statusText})`;
}
} catch (e) {
console.warn("Couldn't get playlist.json, falling back to directory scan");
} catch (_e) {
// Network error or other fetch failure - fall back to directory scanning
playlist = await scanMusicDirectory();
playlistSource = 'via directory scan (after fetch failed)';
}
const fileCount = playlist?.availableFiles?.length || 0;
if (fileCount > 0) {
console.log(`Loaded playlist ${playlistSource} - found ${fileCount} music file${fileCount === 1 ? '' : 's'}`);
} else {
console.log(`No music files found ${playlistSource}`);
}
enableMediaPlayer();