ruby by @btsouth
Rails: request limiter
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YOUR TIME0.00s
BEAT @btsouth61.97s
PROGRESS0%
You
@btsouth
def rate_limiting(to:, within:, by:, with:)↵
limiter = Kredis.limiter "rate-limit:#{controller_path}:#{instance_exec(&by)}", limit: to, expires_in: within↵
↵
if limiter.exceeded?↵
ActiveSupport::Notifications.instrument("rate_limit.action_controller", request: request) do↵
instance_exec(&with)↵
end↵
else↵
limiter.poke↵
end↵
end
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About this code
Builds a request counter for the controller and caller. When the limit is exceeded, it emits a notification and runs the configured response. Otherwise, it increments the counter.
Type the passage as written. Understanding it is optional; the explanation is here if you are curious.
David Heinemeier Hansson · Rails · MIT · Read the original source ↗