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Contents
# frozen_string_literal: true
require "active_support/concern"
module Decidim
# Common logic to filter resources
module FilterResource
extend ActiveSupport::Concern
# Internal: Defines a class that will wrap in an object the URL params used by the filter.
# this way we can use Rails' form helpers and have automatically checked checkboxes and
# radio buttons in the view, for example.
class Filter
def initialize(filter)
@filter = filter
end
def method_missing(method_name, *_arguments)
@filter.present? && @filter.has_key?(method_name) ? @filter[method_name] : super
end
def respond_to_missing?(method_name, include_private = false)
@filter.present? && @filter.has_key?(method_name) || super
end
end
included do
helper_method :search, :filter
private
def search
@search ||= search_klass.new(search_params)
end
def search_klass
raise NotImplementedError, "A search class is neeeded to filter resources"
end
def filter
@filter ||= Filter.new(filter_params)
end
def search_params
default_search_params
.merge(filter_params)
.merge(context_params)
end
def filter_params
default_filter_params
.merge(params.to_unsafe_h[:filter].try(:symbolize_keys) || {})
end
def default_search_params
{}
end
def default_filter_params
{}
end
def context_params
{
feature: current_feature,
current_user: current_user
}
end
end
end
end
Version data entries
47 entries across 47 versions & 2 rubygems