279 lines
8.5 KiB
Ruby
279 lines
8.5 KiB
Ruby
require 'action_view'
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module ActionView::Helpers::Tags
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# TODO: Find a better way to solve this issue!
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# This patch is needed since this Rails commit:
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# https://github.com/rails/rails/commit/c1a118a
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class Base
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private
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if defined? ::ActiveRecord
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def value
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if @allow_method_names_outside_object
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object.send @method_name if object && object.respond_to?(@method_name, true)
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else
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object.send @method_name if object
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end
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end
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end
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end
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end
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RANSACK_FORM_BUILDER = 'RANSACK_FORM_BUILDER'.freeze
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require 'simple_form' if
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(ENV[RANSACK_FORM_BUILDER] || ''.freeze).match('SimpleForm'.freeze)
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module Ransack
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module Helpers
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class FormBuilder < (ENV[RANSACK_FORM_BUILDER].try(:constantize) ||
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ActionView::Helpers::FormBuilder)
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def label(method, *args, &block)
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options = args.extract_options!
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text = args.first
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i18n = options[:i18n] || {}
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text ||= object.translate(
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method, i18n.reverse_merge(include_associations: true)
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) if object.respond_to? :translate
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super(method, text, options, &block)
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end
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def submit(value = nil, options = {})
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value, options = nil, value if value.is_a?(Hash)
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value ||= Translate.word(:search).titleize
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super(value, options)
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end
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def attribute_select(options = nil, html_options = nil, action = nil)
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options ||= {}
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html_options ||= {}
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action ||= Constants::SEARCH
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default = options.delete(:default)
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raise ArgumentError, formbuilder_error_message(
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"#{action}_select") unless object.respond_to?(:context)
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options[:include_blank] = true unless options.has_key?(:include_blank)
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bases = [''.freeze].freeze + association_array(options[:associations])
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if bases.size > 1
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collection = attribute_collection_for_bases(action, bases)
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object.name ||= default if can_use_default?(
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default, :name, mapped_values(collection.flatten(2))
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)
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template_grouped_collection_select(collection, options, html_options)
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else
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collection = collection_for_base(action, bases.first)
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object.name ||= default if can_use_default?(
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default, :name, mapped_values(collection)
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)
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template_collection_select(:name, collection, options, html_options)
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end
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end
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def sort_direction_select(options = {}, html_options = {})
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unless object.respond_to?(:context)
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raise ArgumentError,
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formbuilder_error_message('sort_direction'.freeze)
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end
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template_collection_select(:dir, sort_array, options, html_options)
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end
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def sort_select(options = {}, html_options = {})
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attribute_select(options, html_options, 'sort'.freeze) +
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sort_direction_select(options, html_options)
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end
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def sort_fields(*args, &block)
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search_fields(:s, args, block)
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end
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def sort_link(attribute, *args)
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@template.sort_link @object, attribute, *args
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end
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def sort_url(attribute, *args)
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@template.sort_url @object, attribute, *args
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end
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def condition_fields(*args, &block)
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search_fields(:c, args, block)
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end
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def grouping_fields(*args, &block)
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search_fields(:g, args, block)
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end
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def attribute_fields(*args, &block)
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search_fields(:a, args, block)
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end
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def predicate_fields(*args, &block)
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search_fields(:p, args, block)
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end
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def value_fields(*args, &block)
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search_fields(:v, args, block)
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end
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def search_fields(name, args, block)
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args << {} unless args.last.is_a?(Hash)
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args.last[:builder] ||= options[:builder]
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args.last[:parent_builder] = self
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options = args.extract_options!
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objects = args.shift
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objects ||= @object.send(name)
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objects = [objects] unless Array === objects
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name = "#{options[:object_name] || object_name}[#{name}]"
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objects.inject(ActiveSupport::SafeBuffer.new) do |output, child|
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output << @template.fields_for("#{name}[#{options[:child_index] ||
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nested_child_index(name)}]", child, options, &block)
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end
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end
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def predicate_select(options = {}, html_options = {})
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options[:compounds] = true if options[:compounds].nil?
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default = options.delete(:default) || Constants::CONT
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keys =
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if options[:compounds]
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Predicate.names
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else
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Predicate.names.reject { |k| k.match(/_(any|all)$/) }
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end
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if only = options[:only]
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if only.respond_to? :call
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keys = keys.select { |k| only.call(k) }
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else
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only = Array.wrap(only).map(&:to_s)
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keys = keys.select {
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|k| only.include? k.sub(/_(any|all)$/, ''.freeze)
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}
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end
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end
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collection = keys.map { |k| [k, Translate.predicate(k)] }
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object.predicate ||= Predicate.named(default) if
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can_use_default?(default, :predicate, keys)
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template_collection_select(:p, collection, options, html_options)
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end
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def combinator_select(options = {}, html_options = {})
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template_collection_select(
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:m, combinator_choices, options, html_options)
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end
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private
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def template_grouped_collection_select(collection, options, html_options)
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@template.grouped_collection_select(
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@object_name, :name, collection, :last, :first, :first, :last,
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objectify_options(options), @default_options.merge(html_options)
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)
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end
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def template_collection_select(name, collection, options, html_options)
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@template.collection_select(
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@object_name, name, collection, :first, :last,
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objectify_options(options), @default_options.merge(html_options)
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)
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end
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def can_use_default?(default, attribute, values)
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object.respond_to?("#{attribute}=") && default &&
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values.include?(default.to_s)
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end
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def mapped_values(values)
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values.map { |v| v.is_a?(Array) ? v.first : nil }.compact
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end
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def sort_array
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[
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['asc'.freeze, object.translate('asc'.freeze)].freeze,
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['desc'.freeze, object.translate('desc'.freeze)].freeze
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].freeze
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end
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def combinator_choices
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if Nodes::Condition === object
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[
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[Constants::OR, Translate.word(:any)],
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[Constants::AND, Translate.word(:all)]
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]
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else
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[
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[Constants::AND, Translate.word(:all)],
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[Constants::OR, Translate.word(:any)]
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]
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end
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end
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def association_array(obj, prefix = nil)
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([prefix] + association_object(obj))
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.compact
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.flat_map { |v| [prefix, v].compact.join(Constants::UNDERSCORE) }
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end
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def association_object(obj)
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case obj
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when Array
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obj
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when Hash
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association_hash(obj)
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else
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[obj]
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end
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end
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def association_hash(obj)
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obj.map do |key, value|
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case value
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when Array, Hash
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association_array(value, key.to_s)
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else
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[key.to_s, [key, value].join(Constants::UNDERSCORE)]
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end
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end
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end
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def attribute_collection_for_bases(action, bases)
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bases.map { |base| get_attribute_element(action, base) }.compact
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end
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def get_attribute_element(action, base)
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begin
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[
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Translate.association(base, context: object.context),
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collection_for_base(action, base)
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]
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rescue UntraversableAssociationError
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nil
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end
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end
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def attribute_collection_for_base(attributes, base = nil)
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attributes.map do |c|
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[
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attr_from_base_and_column(base, c),
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Translate.attribute(
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attr_from_base_and_column(base, c), context: object.context
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)
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]
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end
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end
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def collection_for_base(action, base)
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attribute_collection_for_base(
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object.context.send("#{action}able_attributes", base), base)
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end
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def attr_from_base_and_column(base, column)
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[base, column].reject(&:blank?).join(Constants::UNDERSCORE)
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end
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def formbuilder_error_message(action)
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"#{action.sub(Constants::SEARCH, Constants::ATTRIBUTE)
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} must be called inside a search FormBuilder!"
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end
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end
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end
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end
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