woggioni
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Store each player's leaderboard totals (wins, accumulated points and the latest display name) on player_rating alongside the Elo rating, updated in the same transaction as the match, so the board is a single indexed table query instead of aggregating every participation on each request. GET /api/leaderboard is now page-number paginated (page/limit) and returns the page, page count and total, plus the caller's own rank and page when authenticated; focus=me returns the caller's page directly. The migration adds the columns, backfills them from the match history (inserting rows for players from pre-Elo matches at the initial rating) and replaces the index. backfill_elo rebuilds the aggregates too. The web page opens on the page containing the signed-in player, marks their row and adds a numbered footer pager.
69 lines
3.4 KiB
Markdown
69 lines
3.4 KiB
Markdown
# tavolo-platform
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The game-independent half of tavolo: lobby, live play, match history and
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leaderboards. Everything here works for any game that implements the
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[`GameEngine`](src/tavolo/platform/engine.py) contract; the package
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itself ships no game.
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## Contents
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- `engine.py` — the platform↔game contract: `GameEngine` (ABC),
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`GameSession` (the platform-owned envelope with an opaque `state` blob),
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`Seat`, `Deadline` (kind + due time + revalidation token) and the
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`MatchResult`/`PlayerResult` outcome types.
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- `registry.py` — `GameRegistry`: game id → engine lookup, single source
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of truth for which games exist.
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- `mixin.py` — `Platform` (registry + store + scheduler + OIDC, the
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collaborators every endpoint needs) and `PlatformMixin`, the kaya mixin
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that registers all routes and the websocket endpoint on an app.
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- `routes/` — `health` (`GET /api/health`), `me` (`GET /api/me`), `games`
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(lobby: `GET /api/game-types`, `POST /api/games`, `POST /api/games/join`,
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`GET /api/games/{id}`) and `stats` (`GET /api/me/matches`,
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`GET /api/leaderboard`, `GET /api/me/ratings`).
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- `ws.py` — the live-play websocket (`/ws/games/{id}`): connection
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lifecycle, the message envelope and the publish/subscribe fan-out.
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Game-specific actions are dispatched to the session's engine.
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- `store.py` — live-session persistence: `RedisGameStore` (production)
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and `InMemoryGameStore` (tests/dev) over a JSON envelope plus the
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engine's opaque state blob, with per-game locks, change signals and the
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shared deadline queue.
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- `deadlines.py` — `DeadlineScheduler`: enqueue the deadline an engine
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declares after each mutation; a per-loop consumer fires due entries
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through `engine.fire_deadline` under the per-game lock. Engines
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revalidate the token, so stale or duplicate deliveries are harmless.
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- `models.py` — `Match` (`game_type`, timestamps, game-specific JSON
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`result`), `MatchPlayer` (seat, team, won, points, Elo delta, JSON
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`details`) and `PlayerRating` (Elo and leaderboard aggregates per
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`(user_sub, game_type)`).
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- `stats.py` — `save_match_result` (engine `MatchResult` → Postgres,
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transactionally, with Elo and the leaderboard aggregates) and
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`apply_match_stats`.
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- `elo.py` — chess-style Elo math generalized to two-team matches.
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- `backfill_elo.py` — rebuild every rating and aggregate from the match
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history: `python -m tavolo.platform.backfill_elo --database-url postgres://…`.
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- `auth.py`, `http.py`, `pagination.py`, `openapi.py`,
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`tortoise_mixin.py` — OIDC helpers, JSON helpers, keyset and
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page-number pagination, shared OpenAPI fragments, the TortoiseORM
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lifecycle mixin.
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## Adding a game
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Implement `GameEngine` (see `engine.py` for the full contract), register
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it in a `GameRegistry`, and mount `PlatformMixin(Platform(...))` on a
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`KayaApp` — see the composition root in `tavolo.app`. The canonical
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examples are [`tavolo-scopone`](../tavolo-scopone/README.md),
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[`tavolo-scopa`](../tavolo-scopa/README.md) and
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[`tavolo-briscola`](../tavolo-briscola/README.md).
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## Development (from `server/`)
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```sh
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.venv/bin/python -m unittest discover -s packages/tavolo-platform/tests
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.venv/bin/python -m mypy -p tavolo.platform
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```
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Tests run fully in-process against a `DummyEngine` (a two-player toy game
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in `tests/helpers.py`): in-memory sqlite, in-memory stores, a patched
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OIDC user and `httpx` / `httpx-ws` ASGI transports. No test in this
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package may import a real game.
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