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Contents
module Locomotive
module Concerns
module ContentType
module GroupBy
# List the name and _id of the groups if the entries
# are grouped by a field. The type of this field can be either
# a select or a belongs_to.
# It returns nil if groupable? returns false.
#
# @return [ Array ] List of hashes (:name and :_id as keys).
#
def list_of_groups
return nil unless self.groupable?
field = self.group_by_field
case field.type.to_sym
when :select
self.entries_class._select_options(field.name).map(&:with_indifferent_access)
when :belongs_to
target = self.class_name_to_content_type(field.class_name)
label = target.label_field_name.to_sym
# FIXME: applying "only" with _id and label sounds like a good option for performance
# but it fails because of Mongoid and its way of dealing with localized attributes.
target.ordered_entries.map do |entry|
{ _id: entry._id, name: entry.send(label) }
end
end
end
def groupable?
!!self.group_by_field && %w(select belongs_to).include?(group_by_field.type)
end
def group_by_field
self.find_entries_custom_field(self.group_by_field_id)
end
def group_by=(name)
@group_by = name
end
end
end
end
end
Version data entries
32 entries across 32 versions & 1 rubygems