4a1251a734
Pure functions for computing boosted card ratings when a player reaches a new Refractor tier. Batter boost applies fixed +0.5 to four offensive columns per tier; pitcher boost uses a 1.5 TB-budget priority algorithm. Both preserve the 108-sum invariant. - Create refractor_boost.py with apply_batter_boost, apply_pitcher_boost, and compute_variant_hash (Decimal arithmetic, zero-floor truncation) - Add RefractorBoostAudit model, Card.variant, BattingCard/PitchingCard image_url, RefractorCardState.variant fields to db_engine.py - Add migration SQL for refractor_card_state.variant column and refractor_boost_audit table (JSONB, UNIQUE constraint, transactional) - 26 unit tests covering 108-sum invariant, deltas, truncation, TB accounting, determinism, x-check protection, and variant hash behavior Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
48 lines
1.9 KiB
PL/PgSQL
48 lines
1.9 KiB
PL/PgSQL
-- Migration: Refractor Phase 2 — rating boost support
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-- Date: 2026-03-28
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-- Purpose: Extends the Refractor system to track and audit rating boosts
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-- applied at each tier-up. Adds a variant column to
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-- refractor_card_state (mirrors card.variant for promoted copies)
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-- and creates the refractor_boost_audit table to record the
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-- boost delta, source card, and variant assigned at each tier.
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--
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-- Tables affected:
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-- refractor_card_state — new column: variant INTEGER
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-- refractor_boost_audit — new table
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--
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-- Run on dev first, verify with:
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-- SELECT column_name FROM information_schema.columns
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-- WHERE table_name = 'refractor_card_state'
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-- AND column_name = 'variant';
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-- SELECT count(*) FROM refractor_boost_audit;
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--
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-- Rollback: See DROP/ALTER statements at bottom of file
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BEGIN;
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-- Verify card.variant column exists (should be from Phase 1 migration).
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-- If not present, uncomment:
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-- ALTER TABLE card ADD COLUMN IF NOT EXISTS variant INTEGER DEFAULT NULL;
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-- New columns on refractor_card_state (additive, no data migration needed)
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ALTER TABLE refractor_card_state ADD COLUMN IF NOT EXISTS variant INTEGER;
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-- Boost audit table: records what was applied at each tier-up
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CREATE TABLE IF NOT EXISTS refractor_boost_audit (
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id SERIAL PRIMARY KEY,
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card_state_id INTEGER NOT NULL REFERENCES refractor_card_state(id) ON DELETE CASCADE,
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tier SMALLINT NOT NULL,
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battingcard_id INTEGER REFERENCES battingcard(id),
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pitchingcard_id INTEGER REFERENCES pitchingcard(id),
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variant_created INTEGER NOT NULL,
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boost_delta_json JSONB NOT NULL,
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applied_at TIMESTAMP NOT NULL DEFAULT NOW(),
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UNIQUE(card_state_id, tier) -- Prevent duplicate audit records on retry
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);
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COMMIT;
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-- Rollback:
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-- DROP TABLE IF EXISTS refractor_boost_audit;
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-- ALTER TABLE refractor_card_state DROP COLUMN IF EXISTS variant;
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