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Versions: 44
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Contents
class Releaf::Builders::AssociationReflector
delegate :macro, :name, :klass, to: :reflection
attr_accessor :reflection, :fields, :sortable_column_name, :sortable_cache
def initialize(reflection, fields, sortable_column_name)
self.reflection = reflection
self.fields = fields
self.sortable_column_name = sortable_column_name.to_sym
end
def sortable?
if @sortable.nil?
@sortable = (expected_order_clause == actual_order_clause)
end
@sortable
end
def destroyable?
if @destroyable.nil?
@destroyable = reflection
.active_record
.nested_attributes_options
.fetch(reflection.name, {})
.fetch(:allow_destroy, false)
end
@destroyable
end
def actual_order_clause
relation = reflection.klass.all
if reflection.scope
relation = relation.instance_exec(reflection.active_record, &reflection.scope)
end
extract_order_clause(relation)
end
def expected_order_clause
relation = reflection.klass.all.order(sortable_column_name)
extract_order_clause(relation)
end
def extract_order_clause(relation)
relation.order_values.map{|value| value_as_sql(value) }.join(", ")
end
def value_as_sql(value)
if value.respond_to?(:to_sql)
value.to_sql
else
value
end
end
end
Version data entries
44 entries across 44 versions & 1 rubygems