Sha256: 5a439cacf66e05bdd3bf924dd6b25f3d8d9f7e5c1b730e5c3bd3f93f18a58402
Contents?: true
Size: 1.87 KB
Versions: 10
Compression:
Stored size: 1.87 KB
Contents
module Lolita
module Menu
module NestedTree
module ClassMethods
# Allows to use tree structure relationship between model records
#
# ===
#
# Usage:
#
# lolita_nested_tree :scope => "User"
#
# ===
#
# Configuration options:
# * <tt>:scope</tt> - model name (as String)
#
def lolita_nested_tree(options = {})
@lolita_nested_tree ||= Lolita::Menu::NestedTree::Configuration.new(self, options)
end
end
class Configuration
attr_reader :klass, :options, :scope, :build_method
def initialize(base_class, options = {})
@klass = base_class
@options = options || {}
initialize_options
normalize_attributes
validate
extend_scope_classes
end
def scope_keys
@scope.map do |scope|
@klass.reflect_on_association(scope.to_sym).foreign_key.to_sym
end
end
def scope_key_for(klass)
scope_reflections.detect do |reflection|
reflection.klass == klass
end.foreign_key.to_sym
end
def scope_classes
@scope.map do |scope|
@klass.reflect_on_association(scope.to_sym).klass
end
end
def scope_reflections
@scope.map do |scope|
@klass.reflect_on_association(scope.to_sym)
end
end
private
def initialize_options
@options.each do |attr, value|
self.respond_to?(attr.to_sym) && instance_variable_set(:"@#{attr}", value)
end
end
def normalize_attributes
@scope = (@scope.is_a?(Array) && @scope || [@scope]).compact
end
def validate
@scope.each do |scope|
raise ArgumentError, "#{@klass} should reflect on association #{scope}" unless @klass.reflect_on_association(scope.to_sym)
end
end
def extend_scope_classes
scope_classes.each do |klass|
klass.send(:include, Lolita::Menu::NestedTree::Scope)
end
end
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems