Replace the Express service with a Next.js app on Vercel

The standalone service in server/ was never deployed anywhere, and keeping it
alongside a Vercel app would mean maintaining two implementations of the same
validation rules. It is deleted; web/ is the only ingest path now. Its routes
live at /v1/... rather than under /api, so the Android client's URL building is
unchanged and CONSUMPTION_API_URL stays a bare origin.

Credentials are split in two. INGEST_TOKEN is baked into the published APK and
must be assumed extractable — anyone can unzip an APK and read its strings — so
it opens the PUT endpoints and nothing else. Reading the history needs the
dashboard password, which is never compiled into anything and reaches the
browser as an HMAC-signed httpOnly cookie. The MongoDB URI stays a server-side
environment variable; the car has never held one and still does not.

The dashboard is a phone-shaped reader for the same data: totals for energy
taken and paid, a daily energy chart, an efficiency trend, and every DC session
with its power/SOC curve. It reuses the head unit's OLED palette so the two read
as one app. Every page is a server component and the charts are hand-rolled SVG,
so the whole thing renders without shipping client JavaScript.

MongoClient is cached on globalThis: a fresh client per request means a fresh
pool per request, and Atlas starts refusing connections long before the traffic
would justify it. Index creation moved to the first write of each warm lambda,
since a serverless deployment has no boot step to hang it on.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
This commit is contained in:
TCFDONMEZ
2026-10-08 14:21:37 +03:00
co-authored by Claude Opus 5
parent e9bfa1217b
commit 8242797ece
40 changed files with 3120 additions and 1319 deletions
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import { requireSession } from "@/lib/auth";
import { loadOverview, sumDays } from "@/lib/data";
import { duration, efficiency, isoDate, num, precise } from "@/lib/format";
import { DailyEnergyChart, EfficiencyChart } from "@/components/charts";
import { Row, Shell, Tile } from "@/components/shell";
export const dynamic = "force-dynamic";
export default async function ConsumptionPage() {
await requireSession();
const { installationId, days } = await loadOverview(90, 1);
if (!installationId || days.length === 0) {
return (
<Shell active="/consumption" title="Tüketim">
<div className="card">
<p className="empty">Günlük tüketim kaydı yok. Araç günü kapattığında yüklenir.</p>
</div>
</Shell>
);
}
const chartDays = days.map((day) => ({ date: day.date, kwh: day.day.kwh, km: day.day.km }));
const total = sumDays(days);
const lifetime = days[days.length - 1].lifetime;
// Newest first for reading; the charts above keep chronological order.
const table = [...days].reverse();
return (
<Shell active="/consumption" title="Tüketim" subtitle={`${days.length} günlük kayıt`}>
<div className="tiles">
<Tile label="Toplam mesafe" value={num(total.km)} unit="km" tone="teal" />
<Tile label="Toplam enerji" value={precise(total.kwh)} unit="kWh" tone="gold" />
<Tile label="Ortalama" value={efficiency(total.kwh, total.km)} tone="teal" />
<Tile
label="Ortalama hız"
value={total.hours > 0 ? num(total.km / total.hours) : "—"}
unit={total.hours > 0 ? "km/h" : undefined}
/>
</div>
<section className="card">
<h2 className="card-title">Günlük enerji</h2>
<DailyEnergyChart days={chartDays} />
</section>
<section className="card">
<h2 className="card-title">Verimlilik eğilimi</h2>
<EfficiencyChart days={chartDays} />
</section>
<section className="card">
<h2 className="card-title">Ömür boyu</h2>
<div className="rows">
<Row label="Mesafe" value={`${num(lifetime.km)} km`} />
<Row label="Enerji" value={`${precise(lifetime.kwh)} kWh`} />
<Row label="Ortalama" value={efficiency(lifetime.kwh, lifetime.km)} />
<Row label="Sürüş süresi" value={duration(lifetime.hours * 3600)} />
</div>
</section>
<section className="card">
<h2 className="card-title">Gün gün</h2>
<ul className="list">
{table.map((day) => (
<li key={day.date}>
<details className="session">
<summary>
<div>
<div className="session-when">{isoDate(day.date)}</div>
<div className="session-meta">
{num(day.day.km)} km · {efficiency(day.day.kwh, day.day.km)}
</div>
</div>
<div className="session-energy">
{precise(day.day.kwh)}
<span className="session-cost"> kWh</span>
</div>
</summary>
<div className="session-body">
<div className="rows">
<Row label="Sürüş süresi" value={duration(day.day.hours * 3600)} />
<Row
label="Ortalama hız"
value={day.day.hours > 0 ? `${num(day.day.km / day.day.hours)} km/h` : "—"}
/>
<Row label="Doluluk düşüşü" value={`%${num(day.day.socDrop)}`} />
<Row label="O gün sonu ömür boyu" value={`${num(day.lifetime.km)} km`} />
</div>
</div>
</details>
</li>
))}
</ul>
</section>
</Shell>
);
}