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# frozen_string_literal: true
module ActiveSupport
# = \Range With Format
module RangeWithFormat
RANGE_FORMATS = {
db: -> (start, stop) do
if start && stop
case start
when String then "BETWEEN '#{start}' AND '#{stop}'"
else
"BETWEEN '#{start.to_fs(:db)}' AND '#{stop.to_fs(:db)}'"
end
elsif start
case start
when String then ">= '#{start}'"
else
">= '#{start.to_fs(:db)}'"
end
elsif stop
case stop
when String then "<= '#{stop}'"
else
"<= '#{stop.to_fs(:db)}'"
end
end
end
}
# Convert range to a formatted string. See RANGE_FORMATS for predefined formats.
#
# This method is aliased to <tt>to_formatted_s</tt>.
#
# range = (1..100) # => 1..100
#
# range.to_s # => "1..100"
# range.to_fs(:db) # => "BETWEEN '1' AND '100'"
#
# range = (1..) # => 1..
# range.to_fs(:db) # => ">= '1'"
#
# range = (..100) # => ..100
# range.to_fs(:db) # => "<= '100'"
#
# == Adding your own range formats to to_fs
# 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_fs(:db)} and #{stop.to_fs(:db)}" }
def to_fs(format = :default)
if formatter = RANGE_FORMATS[format]
formatter.call(self.begin, self.end)
else
to_s
end
end
alias_method :to_formatted_s, :to_fs
end
end
Range.prepend(ActiveSupport::RangeWithFormat)
Version data entries
38 entries across 38 versions & 6 rubygems