Miguel Palhas
4d84625332
One row per provider/translator per day; try_spend is a single atomic upsert so concurrent reconcile closes can't both slip a spend past the daily cap. No allowance configured reads as unlimited.
20 lines
960 B
SQL
20 lines
960 B
SQL
-- #197. Token bucket state for §15's provider and translator budgets. The
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-- allowance itself is `subtitle_settings.provider_daily_budgets` /
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-- `translator_daily_budgets` (#198); this table only tracks what has already
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-- been spent today, so a bucket with no allowance configured reads as
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-- unlimited rather than zero (0025's own comment on that column).
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--
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-- One row per (kind, name, day); a new day is a fresh row rather than a
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-- reset column, so the refill is "today has no row yet" and needs no cron.
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CREATE TABLE subtitle_budget_spend (
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kind TEXT NOT NULL CHECK (kind IN ('provider', 'translator')),
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name TEXT NOT NULL,
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-- UTC calendar day, `YYYY-MM-DD`.
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day TEXT NOT NULL,
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-- A provider unit is one download; a translator unit is one character of
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-- source text sent (DESIGN.md §15: translators bill per character).
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spent INTEGER NOT NULL DEFAULT 0 CHECK (spent >= 0),
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PRIMARY KEY (kind, name, day)
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) STRICT;
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