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Contents
# frozen_string_literal: true
module LinkedRails
class Collection
class Sorting < RDF::Node
include ActiveModel::Model
include LinkedRails::Model
DATE_MIN = Date.new(1970, 1, 1)
DATE_TIME_MIN = Time.new(1970, 1, 1).utc
STRING_MIN = ('0'.ord - 1).chr
STRING_MAX = ('z'.ord + 1).chr
attr_accessor :association_class, :direction, :key, :collection
def attribute_name
@attribute_name ||= key_from_mapping || :created_at
end
# rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/MethodLength
def default_value
column = association_class.column_for_attribute(attribute_name)
case column.type
when :date
direction == :asc ? DATE_MIN : Date.current
when :datetime
(direction == :asc ? DATE_TIME_MIN : Time.current.utc).iso8601(6)
when :string, :text
direction == :asc ? STRING_MIN : STRING_MAX
else
ActiveModel::Type::Integer.new(limit: column.limit).send(direction == :asc ? :min_value : :max_value)
end
end
# rubocop:enable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/MethodLength
def iri(**_opts)
self
end
def sort_direction
direction == :desc ? :lt : :gt
end
def sort_value
{attribute_name => direction}
end
private
def key_from_mapping
if key == Vocab.ontola[:primaryKey]
association_class.try(:primary_key)
else
association_class.try(:predicate_mapping).try(:[], key)&.key
end
end
class << self
def from_array(association_class, array, collection)
array&.map do |sort|
new(
collection: collection,
association_class: association_class,
direction: sort[:direction]&.to_sym,
key: sort[:key]
)
end
end
end
end
end
end
Version data entries
36 entries across 36 versions & 1 rubygems