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require 'rack/body_proxy'
# A middleware that ensures the RequestStore stays around until
# the last part of the body is rendered. This is useful when
# using streaming.
#
# Uses Rack::BodyProxy, adapted from Rack::Lock's usage of the
# same pattern.
module RequestStore
class Middleware
def initialize(app)
@app = app
end
def call(env)
RequestStore.begin!
status, headers, body = @app.call(env)
body = Rack::BodyProxy.new(body) do
RequestStore.end!
RequestStore.clear!
end
returned = true
[status, headers, body]
ensure
unless returned
RequestStore.end!
RequestStore.clear!
end
end
end
end
|
