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module Effective
module EffectiveDatatable
module Collection
# Used for authorization. We authorize with authorized?(:index, collection_class)
def collection_class
@collection_class # Will be either User/Post/etc or Array
end
# User.all
def active_record_collection?
@active_record_collection == true
end
# [User<1>, User<2>, Post<1>, Page<3>]
def active_record_array_collection?
@active_record_array_collection == true
end
def active_record_polymorphic_array_collection?
return false unless active_record_array_collection?
return @active_record_polymorphic_array_collection unless @active_record_polymorphic_array_collection.nil?
@active_record_polymorphic_array_collection = collection.map { |obj| obj.class }.uniq.length > 1
end
# [[1, 'foo'], [2, 'bar']]
def array_collection?
@array_collection == true
end
private
def load_collection!
raise 'No collection defined. Please add a collection with collection do ... end' if collection.nil?
@collection_class = (collection.respond_to?(:klass) ? collection.klass : self.class)
@active_record_collection = (collection.ancestors.include?(ActiveRecord::Base) rescue false)
@active_record_array_collection = collection.kind_of?(Array) && collection.present? && collection.first.kind_of?(ActiveRecord::Base)
@array_collection = collection.kind_of?(Array) && (collection.blank? || collection.first.kind_of?(Array))
unless active_record_collection? || active_record_array_collection? || array_collection?
raise "Unsupported collection. Expecting an ActiveRecord relation, an Array of ActiveRecord objects, or an Array of Arrays [[1, 'foo'], [2, 'bar']]"
end
_scopes.each do |scope, _|
raise "invalid scope: :#{scope}. The collection must respond to :#{scope}" unless collection.respond_to?(scope)
end
end
end
end
end
Version data entries
49 entries across 49 versions & 1 rubygems