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Versions: 6
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Contents
require 'ransack/visitor'
module Ransack
class Context
attr_reader :arel_visitor
class << self
def for_class(klass, options = {})
if klass < ActiveRecord::Base
Adapters::ActiveRecord::Context.new(klass, options)
end
end
def for_object(object, options = {})
case object
when ActiveRecord::Relation
Adapters::ActiveRecord::Context.new(object.klass, options)
end
end
end # << self
def initialize(object, options = {})
@object = relation_for(object)
@klass = @object.klass
@join_dependency = join_dependency(@object)
@join_type = options[:join_type] || Polyamorous::OuterJoin
@search_key = options[:search_key] || Ransack.options[:search_key]
if ::ActiveRecord::VERSION::STRING >= Constants::RAILS_4_1
@base = @join_dependency.join_root
@engine = @base.base_klass.arel_engine
else
@base = @join_dependency.join_base
@engine = @base.arel_engine
end
@default_table = Arel::Table.new(
@base.table_name, :as => @base.aliased_table_name, :engine => @engine
)
@bind_pairs = Hash.new do |hash, key|
parent, attr_name = get_parent_and_attribute_name(key.to_s)
if parent && attr_name
hash[key] = [parent, attr_name]
end
end
end
def klassify(obj)
if Class === obj && ::ActiveRecord::Base > obj
obj
elsif obj.respond_to? :klass
obj.klass
elsif obj.respond_to? :active_record # Rails 3
obj.active_record
elsif obj.respond_to? :base_klass # Rails 4
obj.base_klass
else
raise ArgumentError, "Don't know how to klassify #{obj.inspect}"
end
end
end
end
Version data entries
6 entries across 6 versions & 2 rubygems