require 'ransack/nodes' require 'ransack/context' Ransack::Adapters.object_mapper.require_search require 'ransack/naming' module Ransack class Search include Naming attr_reader :base, :context delegate :object, :klass, to: :context delegate :new_grouping, :new_condition, :build_grouping, :build_condition, :translate, to: :base def initialize(object, params = {}, options = {}) strip_whitespace = options.fetch(:strip_whitespace, Ransack.options[:strip_whitespace]) params = params.to_unsafe_h if params.respond_to?(:to_unsafe_h) if params.is_a? Hash params = params.dup params = params.transform_values { |v| v.is_a?(String) && strip_whitespace ? v.strip : v } params.delete_if { |k, v| [*v].all?{ |i| i.blank? && i != false } } else params = {} end @context = options[:context] || Context.for(object, options) @context.auth_object = options[:auth_object] @base = Nodes::Grouping.new( @context, options[:grouping] || Constants::AND ) @scope_args = {} @sorts ||= [] @ignore_unknown_conditions = options[:ignore_unknown_conditions] == false ? false : true build(params.with_indifferent_access) end def result(opts = {}) @context.evaluate(self, opts) end def build(params) collapse_multiparameter_attributes!(params).each do |key, value| if ['s'.freeze, 'sorts'.freeze].freeze.include?(key) send("#{key}=", value) elsif @context.ransackable_scope?(key, @context.object) add_scope(key, value) elsif base.attribute_method?(key) base.send("#{key}=", value) elsif !Ransack.options[:ignore_unknown_conditions] || !@ignore_unknown_conditions raise ArgumentError, "Invalid search term #{key}" end end self end def sorts=(args) case args when Array args.each do |sort| if sort.kind_of? Hash sort = Nodes::Sort.new(@context).build(sort) else sort = Nodes::Sort.extract(@context, sort) end self.sorts << sort end when Hash args.each do |index, attrs| sort = Nodes::Sort.new(@context).build(attrs) self.sorts << sort end when String self.sorts = [args] else raise ArgumentError, "Invalid argument (#{args.class}) supplied to sorts=" end end alias :s= :sorts= def sorts @sorts end alias :s :sorts def build_sort(opts = {}) new_sort(opts).tap do |sort| self.sorts << sort end end def new_sort(opts = {}) Nodes::Sort.new(@context).build(opts) end def method_missing(method_id, *args) method_name = method_id.to_s getter_name = method_name.sub(/=$/, ''.freeze) if base.attribute_method?(getter_name) base.send(method_id, *args) elsif @context.ransackable_scope?(getter_name, @context.object) if method_name =~ /=$/ add_scope getter_name, args else @scope_args[method_name] end else super end end def inspect details = [ [:class, klass.name], ([:scope, @scope_args] if @scope_args.present?), [:base, base.inspect] ] .compact .map { |d| d.join(': '.freeze) } .join(', '.freeze) "Ransack::Search<#{details}>" end private def add_scope(key, args) sanitized_args = if Ransack.options[:sanitize_scope_args] && !@context.ransackable_scope_skip_sanitize_args?(key, @context.object) sanitized_scope_args(args) else args end if @context.scope_arity(key) == 1 @scope_args[key] = args.is_a?(Array) ? args[0] : args else @scope_args[key] = args.is_a?(Array) ? sanitized_args : args end @context.chain_scope(key, sanitized_args) end def sanitized_scope_args(args) if args.is_a?(Array) args = args.map(&method(:sanitized_scope_args)) end if Constants::TRUE_VALUES.include? args true elsif Constants::FALSE_VALUES.include? args false else args end end def collapse_multiparameter_attributes!(attrs) attrs.keys.each do |k| if k.include?(Constants::LEFT_PARENTHESIS) real_attribute, position = k.split(/\(|\)/) cast = if Constants::A_S_I.include?(position.last) position.last else nil end position = position.to_i - 1 value = attrs.delete(k) attrs[real_attribute] ||= [] attrs[real_attribute][position] = if cast if value.blank? && cast == Constants::I nil else value.send("to_#{cast}") end else value end elsif Hash === attrs[k] collapse_multiparameter_attributes!(attrs[k]) end end attrs end end end