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Contents
# frozen_string_literal: true
module RubyRailsExtensions
module Extensions
module BooleanScope
if defined?(ActiveSupport::Concern)
extend ActiveSupport::Concern
class_methods do
# Calls `boolean_scope` for each boolean column
def add_boolean_scopes
return unless table_exists?
columns.each do |column|
next unless column.type == :boolean
# @!method not_#{column.name}?
# @return [Boolean]
# @!method column.name
# @!scope class
# @return [ActiveRecord::Relation<>]
# @!method not_#{column.name}
# @!scope class
# @return [ActiveRecord::Relation<>]
boolean_scope(column.name)
end
end
# Defines 2 scopes and 1 ? method
#
# @param column_name [Symbol, String] The boolean column name
# @param negative [Symbol, String] opposite of the column name
# defaults to the column name with "not_" as a prefix
#
# @return [void]
#
def boolean_scope(column_name, negative = "not_#{column_name}")
scope(:"#{column_name}", -> { where(column_name => true) })
scope(:"#{negative}", -> { where(column_name => false) })
define_method(:"#{negative}?") do
!__send__(:"#{column_name}?")
end
end
end
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems