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Contents
module Kithe
# Just a handy class for handling logic with our promotion directives
# for "timing" promotion directives whose values are "false", "background",
# or "inline", where the default is "background"
#
# These directives are :promote, :create_derivatives, and :delete
#
# You might use like:
#
# Kithe::LifecyclePromotionDirective.new(key: :promotion, directives: asset.file_attacher.promotion_directives) do |directive|
# if directive.inline?
# run_something
# elsif directive.background?
# SomeJob.perform_later
# end
# end
class TimingPromotionDirective
DEFAULT_VALUE = "background"
ALLOWED_VALUES = ["background", "inline", "false"]
attr_reader :directive_key, :directives
def initialize(key:, directives: )
@directive_key = key.to_s
@directives = directives
unless ALLOWED_VALUES.include?(directive_value)
raise ArgumentError.new("Unrecognized value `#{directive_value}` for `#{key}`; must be #{ALLOWED_VALUES}")
end
yield self
end
def directive_value
@directive_value ||= begin
value = (directives || {})[directive_key]
# not blank?, cause false we want to recognize.
(value.nil? || value == "") ? DEFAULT_VALUE : value.to_s
end
end
def inline?
directive_value == "inline"
end
def background?
directive_value == "background"
end
def disabled?
directive_value == "false"
end
end
end
Version data entries
32 entries across 32 versions & 1 rubygems