diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/range/conversions.rb')
-rw-r--r-- | activesupport/lib/active_support/core_ext/range/conversions.rb | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/range/conversions.rb b/activesupport/lib/active_support/core_ext/range/conversions.rb new file mode 100644 index 0000000000..024e32db40 --- /dev/null +++ b/activesupport/lib/active_support/core_ext/range/conversions.rb @@ -0,0 +1,41 @@ +# frozen_string_literal: true + +module ActiveSupport + module RangeWithFormat + RANGE_FORMATS = { + db: -> (start, stop) do + case start + when String then "BETWEEN '#{start}' AND '#{stop}'" + else + "BETWEEN '#{start.to_s(:db)}' AND '#{stop.to_s(:db)}'" + end + end + } + + # 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 +end + +Range.prepend(ActiveSupport::RangeWithFormat) |