trails/apps/planner/app/components/SaveToJournalButton.tsx
Ullrich Schäfer 40e541fcce Implement Planner-Journal handoff (Group 9)
JWT-based handoff between Journal and Planner:

Journal side:
- JWT token generation scoped to route_id with 7-day expiry (jose)
- "Edit in Planner" button on route detail page — generates JWT,
  redirects to Planner /new with callback URL, token, and GPX
- Callback endpoint (POST /api/routes/:id/callback) validates JWT
  and creates new route version from received GPX

Planner side:
- /new route accepts callback, token, returnUrl, gpx params
- Creates session with callback metadata, initializes with GPX
- "Save to Journal" button POSTs GPX with Bearer token to callback
- "Return to Journal" link shown after successful save

All 6 Group 9 tasks complete.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-24 20:22:58 +00:00

93 lines
2.8 KiB
TypeScript

import { useState, useCallback } from "react";
import * as Y from "yjs";
import type { YjsState } from "~/lib/use-yjs";
import { generateGpx } from "@trails-cool/gpx";
import type { TrackPoint } from "@trails-cool/gpx";
interface SaveToJournalButtonProps {
yjs: YjsState;
callbackUrl: string;
callbackToken: string;
returnUrl?: string;
}
export function SaveToJournalButton({ yjs, callbackUrl, callbackToken, returnUrl }: SaveToJournalButtonProps) {
const [saving, setSaving] = useState(false);
const [saved, setSaved] = useState(false);
const [error, setError] = useState<string | null>(null);
const handleSave = useCallback(async () => {
setSaving(true);
setError(null);
try {
// Build GPX from current Yjs state
const waypoints = yjs.waypoints.toArray().map((yMap: Y.Map<unknown>) => ({
lat: yMap.get("lat") as number,
lon: yMap.get("lon") as number,
name: yMap.get("name") as string | undefined,
}));
let tracks: TrackPoint[][] = [];
const geojsonStr = yjs.routeData.get("geojson") as string | undefined;
if (geojsonStr) {
try {
const geojson = JSON.parse(geojsonStr);
const coords: number[][] = geojson.features?.[0]?.geometry?.coordinates ?? [];
if (coords.length > 0) {
tracks = [coords.map((c) => ({ lat: c[1]!, lon: c[0]!, ele: c[2] }))];
}
} catch { /* invalid geojson */ }
}
const gpx = generateGpx({ name: "trails.cool route", waypoints, tracks });
// POST to Journal callback
const response = await fetch(callbackUrl, {
method: "POST",
headers: {
"Content-Type": "application/json",
"Authorization": `Bearer ${callbackToken}`,
},
body: JSON.stringify({ gpx }),
});
if (!response.ok) {
const result = await response.json();
throw new Error(result.error ?? "Save failed");
}
setSaved(true);
} catch (err) {
setError((err as Error).message);
} finally {
setSaving(false);
}
}, [yjs, callbackUrl, callbackToken]);
if (saved) {
return (
<div className="flex items-center gap-2">
<span className="text-sm text-green-600">Saved!</span>
{returnUrl && (
<a href={returnUrl} className="rounded bg-gray-100 px-3 py-1 text-sm text-gray-700 hover:bg-gray-200">
Return to Journal
</a>
)}
</div>
);
}
return (
<div className="flex items-center gap-2">
<button
onClick={handleSave}
disabled={saving}
className="rounded bg-green-600 px-3 py-1 text-sm text-white hover:bg-green-700 disabled:opacity-50"
>
{saving ? "Saving..." : "Save to Journal"}
</button>
{error && <span className="text-xs text-red-600">{error}</span>}
</div>
);
}