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scrabble-game/backend/internal/postgres/migrations/00010_stats_moves_hints.sql
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Ilia Denisov 6d1d8030e3
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feat(stats): per-game hints used + lifetime moves and hint share
Store the hints a player used in each game, and add two lifetime tiles —
Moves and Hint share — to the statistics screen.

- per-game: game_players.hints_used now counts EVERY hint (allowance + wallet),
  not just the free allowance, so it is the seat's true total hints used this
  game. The allowance decision (used < HintsPerPlayer) and the hint badge values
  (hints_remaining / wallet_balance) are unchanged — the lobby hint-count fix does
  NOT regress; only the admin "hints used" column, which silently under-counted
  wallet hints, becomes accurate.
- account_stats gains two summed counters: moves (the player's plays — passes and
  exchanges excluded) and hints_used (every hint). Computed at game finish in
  buildStats over the same non-guest, non-honest-AI games as the rest of the stats.
- wire: StatsView gains moves + hints_used (trailing); gateway + UI codec + model;
  regen.
- ui: two tiles (Moves, Hint share = hints_used/moves, one-decimal % in the active
  locale); card order games·wins·draws·losses·moves·hint-share·best game·win-rate.
- docs: ARCHITECTURE §9 + baseline comment, FUNCTIONAL (+ru), UI_DESIGN.

Tests: TestHintPolicy (hints_used counts the wallet hint), TestGameLifecycleAndStats
(moves>0, hints=0), gateway stats round-trip, UI hintShare unit + codec + e2e.
2026-06-17 23:44:53 +02:00

17 lines
881 B
SQL

-- +goose Up
-- account_stats gains two lifetime counters for the player's statistics screen: moves — the
-- player's plays (tile placements; passes and exchanges do not count) — and hints_used — every
-- hint the player took (the free per-game allowance plus the wallet-charged ones). Both are
-- summed at game finish over the same games that feed the rest of account_stats (durable
-- non-guest accounts; honest-AI games are skipped), so the screen can show the "hint share"
-- = hints_used / moves. See docs/ARCHITECTURE.md §9.
SET search_path = backend, pg_catalog;
ALTER TABLE account_stats ADD COLUMN moves integer NOT NULL DEFAULT 0;
ALTER TABLE account_stats ADD COLUMN hints_used integer NOT NULL DEFAULT 0;
-- +goose Down
SET search_path = backend, pg_catalog;
ALTER TABLE account_stats DROP COLUMN hints_used;
ALTER TABLE account_stats DROP COLUMN moves;