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Contents
module Acfs
class Request
# Module containing callback handling for Requests.
# Current the only callback type is `on_complete`:
#
# request = Request.new 'URL'
# request.on_complete { |response| ... }
#
module Callbacks
# Add a new `on_complete` callback for this request.
#
# @example Set on_complete.
# request.on_complete { |response| print response.body }
#
# @param [ Block ] block The callback block to execute.
#
# @yield [ Acfs::Response ]
#
# @return [ Acfs::Request ] The request itself.
#
def on_complete(&block)
callbacks.insert 0, block if block_given?
self
end
# Return array of all callbacks.
#
# @return [ Array<Block> ] All callbacks.
#
def callbacks
@callbacks ||= []
end
# Trigger all callback for given response.
#
# @return [ Acfs::Request ] The request itself.
#
def complete!(response)
call_callback response, 0
self
end
private
def call_callback(res, index)
callbacks[index].call res, proc {|bres| call_callback bres, index + 1 } if index < callbacks.size
end
end
end
end
Version data entries
22 entries across 22 versions & 1 rubygems