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Contents
# frozen_string_literal: true
# Should be included into a Rails controller (together with `ActionController::Live`)
# for easy ZIP output from any action.
module ZipTricks::RailsStreaming
# Opens a {ZipTricks::Streamer} and yields it to the caller. The output of the streamer
# gets automatically forwarded to the Rails response stream. When the output completes,
# the Rails response stream is going to be closed automatically.
# @yield [Streamer] the streamer that can be written to
def zip_tricks_stream
# Set a reasonable content type
response.headers['Content-Type'] = 'application/zip'
# Make sure nginx buffering is suppressed - see https://github.com/WeTransfer/zip_tricks/issues/48
response.headers['X-Accel-Buffering'] = 'no'
# Create a wrapper for the write call that quacks like something you
# can << to, used by ZipTricks
w = ZipTricks::BlockWrite.new { |chunk| response.stream.write(chunk) }
ZipTricks::Streamer.open(w) { |z| yield(z) }
ensure
response.stream.close
end
end
Version data entries
15 entries across 15 versions & 1 rubygems