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module ActiveSupport::RangeWithFormat
RANGE_FORMATS = {
db: Proc.new { |start, stop| "BETWEEN '#{start.to_s(:db)}' AND '#{stop.to_s(:db)}'" }
}
# Convert range to a formatted string. See RANGE_FORMATS for predefined formats.
#
# range = (1..100) # => 1..100
#
# range.to_s # => "1..100"
# range.to_s(:db) # => "BETWEEN '1' AND '100'"
#
# == Adding your own range formats to to_s
# You can add your own formats to the Range::RANGE_FORMATS hash.
# Use the format name as the hash key and a Proc instance.
#
# # config/initializers/range_formats.rb
# Range::RANGE_FORMATS[:short] = ->(start, stop) { "Between #{start.to_s(:db)} and #{stop.to_s(:db)}" }
def to_s(format = :default)
if formatter = RANGE_FORMATS[format]
formatter.call(first, last)
else
super()
end
end
alias_method :to_default_s, :to_s
alias_method :to_formatted_s, :to_s
end
Range.prepend(ActiveSupport::RangeWithFormat)
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