woggioni
551c4c9c28
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.
80 lines
4.3 KiB
Python
80 lines
4.3 KiB
Python
from tortoise import BaseDBAsyncClient
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RUN_IN_TRANSACTION = True
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async def upgrade(db: BaseDBAsyncClient) -> str:
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return """
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DROP INDEX IF EXISTS "idx_player_rati_game_ty_3326d1";
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ALTER TABLE "player_rating" ADD "points" DOUBLE PRECISION NOT NULL DEFAULT 0;
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ALTER TABLE "player_rating" ADD "display_name" VARCHAR(200) NOT NULL DEFAULT '';
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ALTER TABLE "player_rating" ADD "wins" INT NOT NULL DEFAULT 0;
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-- Backfill the leaderboard aggregates from the match history:
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-- existing rows keep their rating and matches, while players from
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-- matches recorded before ratings existed are inserted at the
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-- initial rating (1500) so they stay on the board.
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INSERT INTO "player_rating" (
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"id", "user_sub", "game_type", "rating", "matches_played",
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"wins", "points", "display_name", "updated_at"
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)
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SELECT gen_random_uuid(), agg.user_sub, agg.game_type, 1500,
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agg.matches, agg.wins, agg.points, agg.display_name, NOW()
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FROM (
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SELECT mp.user_sub AS user_sub,
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m.game_type AS game_type,
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COUNT(*) AS matches,
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SUM(CASE WHEN mp.won THEN 1 ELSE 0 END) AS wins,
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SUM(mp.score) AS points,
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(ARRAY_AGG(mp.display_name ORDER BY m.finished_at DESC, m.id DESC))[1]
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AS display_name
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FROM "match_player" mp
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JOIN "match" m ON m.id = mp.match_id
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GROUP BY mp.user_sub, m.game_type
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) agg
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ON CONFLICT ("user_sub", "game_type") DO UPDATE
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SET "wins" = EXCLUDED."wins",
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"points" = EXCLUDED."points",
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"display_name" = EXCLUDED."display_name";
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CREATE INDEX "idx_player_rati_game_ty_abcb75" ON "player_rating" ("game_type", "rating", "wins", "points", "matches_played", "user_sub");"""
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async def downgrade(db: BaseDBAsyncClient) -> str:
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return """
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DROP INDEX IF EXISTS "idx_player_rati_game_ty_abcb75";
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ALTER TABLE "player_rating" DROP COLUMN "points";
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ALTER TABLE "player_rating" DROP COLUMN "display_name";
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ALTER TABLE "player_rating" DROP COLUMN "wins";
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CREATE INDEX "idx_player_rati_game_ty_3326d1" ON "player_rating" ("game_type", "rating");"""
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MODELS_STATE = (
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"+g2+dS"
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)
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