tajniak81andClaude Opus 5 c173ca3653 Plugins: a save that fails should say so, not vanish on redeploy
Reported symptom: every plugin comes back disabled after redeploying the
image, having been enabled before it. The persistence design was already
right - each compose file mounts api_data:/data and points PLUGINS_FILE at
/data/plugins.json - so the fault was that a failed write to that file was
invisible. Three defects, each confirmed with a test before being fixed:

A failed write was reported as success. Upsert set rec.Enabled before it
persisted, and the handler folded the resulting error into the same
200-with-warning used for "saved, but the connector failed to start". The
panel reloaded, read the in-memory record and showed the plugin enabled;
only a restart revealed that nothing had reached the disk. A save that
fails now rolls back in memory and returns 500, so the panel row shows the
error instead of "Saved".

A corrupt state file silently wiped the rest. Load returned an error,
main.go logged it and carried on with an empty record set, so the next
toggle overwrote plugins.json and took every other plugin's config with
it. An unreadable file is now moved aside to plugins.json.corrupt, and
persistLocked writes through a temp file + rename so an interrupted write
cannot produce that corrupt file in the first place.

A state file holding "null" panicked the server with "assignment to entry
in nil map" on the next save, and a null entry nil-dereferenced in Load.
Both now decode to "nothing configured".

Two changes make the next such failure loud rather than silent.
StartPlugins probes writability at boot and warns that plugin changes will
not survive a restart. And the API Server image gains the root entrypoint
the AIO image already had - chown /data, then drop to app via su-exec -
because a host bind mount (API_DATA=/srv/...) or a volume created before
/data existed arrives root-owned, and the unprivileged process cannot
write to it.

Not addressed here: a deployment that never reuses the named volume
(docker compose down -v, a renamed compose project, an anonymous volume
from a bare docker run) loses the file whatever the code does. The new
boot warning tells the two apart - writable but empty means the volume is
the problem, not permissions.

go build, go vet and go test ./... all pass. The Dockerfile change is
reviewed but not built: there is no Docker CLI on this machine, so the
su-exec privilege drop follows standard Alpine practice rather than an
observed run.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-21 16:17:47 +02:00
2026-07-06 08:50:52 +02:00

DriverVault

A car control & service-tracking system (originally "Car Control Project"). Built incrementally — starting with a car maintenance tracker (modeled on Car Service.xlsx) and growing toward live integration with the car via a cellular ESP32 device and third-party services (Toyota Connected, EV chargers).

Architecture

All clients communicate with the database only through the API Server — nothing talks to PocketBase directly.

                       ┌──────────────────┐
   Web App (Vue) ─────▶│                  │
   Phone App (Flutter)▶│   API Server     │────▶  PocketBase
   Home Assistant ────▶│   (Go, stdlib)   │       (10.2.1.10:8027)
   Car Agent (ESP32) ─▶│                  │
                       └──────────────────┘
Component Stack Status Docs
API Server Go (stdlib) built, running, verified API Server/README.md
Database PocketBase running, schema + seed done
Web App Vue 3 + Vite + Tailwind v4 full feature set (below) Web App/README.md
Phone App Flutter (Android) web parity + biometric login Phone App/README.md
Docker Compose (multi-container / all-in-one) deployment configs Docker/README.md · Docker-AIO/README.md
Car Agent Device ESP32 + SIM7600 (LILYGO TTGO) 🚧 firmware in progress Car Agent Device
Home Assistant Plugin later

The Web and Phone apps are at feature parity (the phone omits only data export/import).

Features

  • Maintenance tracking — cars, service history (date/odometer + which parts were changed), and a per-car parts catalog, with next-due date/km status from the spreadsheet formulas.
  • Technical checks — the mandatory roadworthiness inspections (przegląd techniczny / MOT / TÜV): result, cost, station and the certificate's valid-until, which overrides the car's interval and drives the next-due date.
  • Maintenance log — workshop visits and repairs outside the routine schedule: type/status, workshop, parts used, labour + parts cost, invoice, warranty-until.
  • Fuel tracking — refills with derived efficiency (average / best / worst consumption, cost per km, price per litre). Consumption is measured between full tanks, so partial fills roll into the next full one.
  • Documents — insurance, registration, road tax and the rest, each with a server-computed renewal/expiry state.
  • Reminders — date- and/or odometer-triggered, one-off or recurring, plus read-only reminders the server derives from documents and service records.
  • Attachments — one optional file (PDF or image) per service record, technical check, maintenance entry, refill, document and part; fetched back through the API Server, never a public URL.
  • Accounts — PocketBase-token login, profile + appearance preferences (theme/locale/date format/currency/font), avatar, email verification, data export/import, and an account-deletion state machine.
  • Organizations & roles — multi-tenant user / admin / superadmin roles; admins manage users within their own organization, superadmins span all. Any user without an organization can create one and becomes its admin.
  • Per-user ownership & sharing — each car has an owner and can be shared with other users as read or write; the UI mirrors the server's access checks.
  • Integrations — per-user connectors under a superadmin → org-admin → user cascade. Built-in today: Toyota Connected (read-only vehicle data) and the Anker Solix V1 EV charger.
  • Cars from the manufacturer's own service — import a car straight off a connected account (MyToyota today), choosing what to pull in, and read everything that service knows about it from a dedicated first tab on the car. Generic over providers: the next manufacturer is one adapter in the API Server.
  • EV charging control — for Anker Solix chargers the API Server runs an OCPP 1.6J Central System; in own/proxy mode the charger dials back in and the owner can start/stop and set limits from the Charging screen.
  • Translated UI — the interface reads its text from per-language files (English, Polish, Danish today), with English as the fallback for any untranslated string. See TRANSLATIONS.md.
  • Phone biometric login & app lock — fingerprint / face sign-in with an app-lock that requires an unlock on relaunch. See the Phone App README.

Auth model

All apps share one auth model: authentication is PocketBase's own. POST /api/auth/login is proxied to the PocketBase users collection and the client keeps the token PocketBase minted — the API Server does not issue its own JWT. Every protected request carries Authorization: <token> (both Bearer <token> and a raw token are accepted) and the server re-resolves it against PocketBase on each call, so a role change or a deletion takes effect immediately. Tokens are stateless, so there is no per-device session list; changing an account's password rotates its token key and invalidates every token already issued. Access to cars/records is gated by per-user ownership and shares; user management requires the admin or superadmin role. Creating an organization is the one management action open to a plain user — it promotes them to admin of the organization they just created.

Domain (from Car Service.xlsx)

  • Cars — one per vehicle (was: one spreadsheet sheet), with spec fields (engine / transmission / differential oil, brake fluid, coolant, VIN, fuel type, build / first-registration dates, …) and configurable service intervals.
  • Service records — date + odometer per service, plus which parts were changed (oil & oil filter, engine air filter, cabin air filter).
  • Parts — per-car catalog of part numbers.

Key spreadsheet formulas, reproduced by the API Server on read:

Next Service Date = service date + serviceIntervalDays   (default 365; Excel: =A+365)
Next Service Km   = service km   + serviceIntervalKm      (default 15 000; Excel: =B+15000)

Intervals are configurable per car.

Getting started

Bring up the stack in this order — each app's README has the details:

  1. API Server — configure .env, run setup-pocketbase.mjs, start the server. This must be running for either app.
  2. Web Appnpm install && npm run dev (proxies /api to the server).
  3. Phone Appflutter build apk / flutter run with --dart-define=API_BASE=http://<server-ip>:8080/api.

Or skip all of that and bring the whole stack up with Docker, which runs the schema setup itself — see Docker (PocketBase + API Server + Web App as three containers) or Docker-AIO (all three in a single image).

Layout

DriverVault/
├── API Server/            # Go gateway to PocketBase (the only DB client)
├── Web App/               # Vue 3 + Vite + Tailwind v4 SPA + Go BFF
├── Phone App/             # Flutter (Android)
├── Car Agent Device/      # ESP32 + SIM7600 firmware (LILYGO TTGO T-SIM7600)
├── Home Assistant Plugin/ # later phase
├── Docker/                # Compose deployment (API Server + Web App)
└── Docker-AIO/            # single all-in-one image
S
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