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refactor(sync): centralize with_token in oauth.lua with shared lock

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Problem: `with_token` was duplicated in `gcal.lua` and `gtasks.lua`,
with the concurrency lock added only to the gtasks copy. Any new
backend would silently inherit the same race, and gcal back-to-back
push could still create duplicate remote calendar events.

Solution: lift `with_token` into `oauth.lua` as
`M.with_token(client, name, callback)` behind a module-level
`_sync_in_flight` guard. All backends share one implementation; the
lock covers gcal, gtasks, and any future backend automatically.
This commit is contained in:
Barrett Ruth 2026-03-06 16:03:46 -05:00
parent 36a5025198
commit 90f1378cb6
3 changed files with 29 additions and 39 deletions
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14
lua/pending/sync/gcal.lua
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@ -169,20 +169,8 @@ local function fmt_counts(parts)
return table.concat(items, ' | ')
end
---@param callback fun(access_token: string): nil
local function with_token(callback)
oauth.async(function()
local token = oauth.google_client:get_access_token()
if not token then
log.warn('not authenticated — run :Pending auth')
return
end
callback(token)
end)
end
function M.push()
with_token(function(access_token)
oauth.with_token(oauth.google_client, 'gcal', function(access_token)
local calendars, cal_err = get_all_calendars(access_token)
if cal_err or not calendars then
log.error(cal_err or 'failed to fetch calendars')