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feat(race): add supports_countdown to ContestListResult

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Problem: `:CP race` on platforms without future contests (CSES, USACO)
wastes time fetching the full contest list only to discover there is
no `start_time`. The error message is also uninformative.

Solution: Add `supports_countdown` bool to `ContestListResult` (default
`True`). CSES and USACO set it to `False`. Cache the flag per-platform
so subsequent calls skip the fetch entirely. `race.lua` checks the
cached value first, then the scraper result, and shows
`"<Platform> does not support :CP race"` instead of a generic error.
This commit is contained in:
Barrett Ruth 2026-03-06 18:01:08 -05:00
parent 592f977296
commit 4e709c8470
Signed by: barrett
GPG key ID: A6C96C9349D2FC81
7 changed files with 62 additions and 16 deletions
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6
lua/cp/pickers/init.lua
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@ -48,8 +48,10 @@ function M.get_platform_contests(platform, refresh)
{ level = vim.log.levels.INFO, override = true, sync = true }
)
local contests = scraper.scrape_contest_list(platform)
cache.set_contest_summaries(platform, contests)
local result = scraper.scrape_contest_list(platform)
local contests = result and result.contests or {}
local sc = result and result.supports_countdown
cache.set_contest_summaries(platform, contests, { supports_countdown = sc })
picker_contests = cache.get_contest_summaries(platform)
logger.log(