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module Mobility
module Backends
module ActiveRecord
=begin
Defines query method overrides to handle translated attributes for ActiveRecord
models. For details see backend-specific subclasses.
=end
class QueryMethods < Module
# @param [Array<String>] attributes Translated attributes
def initialize(attributes, _)
@attributes = attributes
attributes.each do |attribute|
define_method :"find_by_#{attribute}" do |value|
find_by(attribute.to_sym => value)
end
end
end
# @param [ActiveRecord::Relation] relation Relation being extended
# @note Only want to define this once, even if multiple QueryMethods
# modules are included, so include it here into the singleton class.
def extended(relation)
relation.singleton_class.include WhereChainable
end
def extract_attributes(opts)
opts.is_a?(Hash) && (opts.keys.map(&:to_s) & @attributes).presence
end
def collapse(value)
value.is_a?(Array) ? value.uniq : value
end
end
module WhereChainable
def where(opts = :chain, *rest)
opts == :chain ? mobility_where_chain.new(spawn) : super
end
def mobility_where_chain
@mobility_where_chain ||= Class.new(::ActiveRecord::QueryMethods::WhereChain)
end
end
private_constant :QueryMethods, :WhereChainable
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems