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module WithScopedQueries::Sort
extend ActiveSupport::Concern
included do
class_attribute :sorting_fields, :default_sorting_field, instance_writer: false
end
def self.query_by(params, scope, klass)
sort_param = params[:sort] || klass.default_sorting_field.to_s
normalized_params = normalize_params(sort_param)
if sort_param.present? && klass.sorting_params_allowed?(*normalized_params)
sort_method_for(klass, scope, *normalized_params)
else
scope
end
end
def self.normalize_params(param)
param&.split(/_(?!.*_)/)
end
def self.add_queriable_attributes_to(klass, attributes)
klass.default_sorting_field = attributes.extract_options![:default]
klass.sorting_fields = attributes
klass.queriable_attributes.merge!(sort: :sort)
end
def self.sort_method_for(klass, scope, field, direction)
if klass.column_names.include? field
scope.public_send(:reorder, "#{klass.table_name}.#{field} #{direction}")
else
scope.public_send("order_by_#{field}", direction)
end
end
class_methods do
def sorting_filters
sorting_fields.product([:asc, :desc]).map do |it|
"#{it.first}_#{it.second}"
end
end
def sorting_params_allowed?(sort_param, direction_param=nil)
sorting_fields.include?(sort_param.to_sym) && [:asc, :desc].include?(direction_param&.to_sym)
end
end
end
Version data entries
69 entries across 69 versions & 2 rubygems