engine/app/presenters/locomotive/content_entry_presenter.rb

96 lines
2.9 KiB
Ruby

module Locomotive
class ContentEntryPresenter < BasePresenter
delegate :_label, :_slug, :_position, :seo_title, :meta_keywords, :meta_description, :to => :source
# Returns the value of a field in the context of the current entry.
#
# @params [ CustomFields::Field ] field The field
#
# @returns [ Object ] The value of the field for the entry
#
def value_for(field)
getter = [*self.getters_for(field.name, field.type)].first.to_sym
self.source.send(getter)
end
# Returns the list of getters for an entry
#
# @returns [ List ] a list of method names (string)
#
def custom_fields_methods
self.source.custom_fields_recipe['rules'].map do |rule|
self.getters_for rule['name'], rule['type']
end.flatten
end
# Lists of all the attributes editable by a html form
#
# @returns [ List ] a list of attributes (string)
#
def safe_attributes
self.source.custom_fields_recipe['rules'].map do |rule|
case rule['type'].to_sym
when :date then "formatted_#{rule['name']}"
when :file then [rule['name'], "remove_#{rule['name']}"]
when :select, :belongs_to then ["#{rule['name']}_id", "position_in_#{rule['name']}"]
when :has_many then nil
else
rule['name']
end
end.compact.flatten + %w(_slug seo_title meta_keywords meta_description _destroy)
end
def errors
self.source.errors.to_hash.stringify_keys
end
def content_type_slug
self.source.content_type.slug
end
def _file_fields
self.source.custom_fields_recipe['rules'].find_all { |rule| rule['type'] == 'file' }.map { |rule| rule['name'] }
end
def _has_many_fields
self.source.custom_fields_recipe['rules'].find_all { |rule| rule['type'] == 'has_many' }.map { |rule| [rule['name'], rule['inverse_of']] }
end
def included_methods
default_list = %w(_label _slug _position content_type_slug _file_fields _has_many_fields safe_attributes)
default_list << 'errors' if !!self.options[:include_errors]
super + self.custom_fields_methods + default_list
end
def method_missing(meth, *arguments, &block)
if self.custom_fields_methods.include?(meth.to_s)
self.source.send(meth) rescue nil
else
super
end
end
protected
# Gets the names of the getter methods for a field.
# The names depend on the field type.
#
# @params [ String ] name Name of the field
# @params [ String ] type Type of the field
#
# @returns [ Object ] A string or an array of names
def getters_for(name, type)
case type.to_sym
when :select then [name, "#{name}_id"]
when :date then "formatted_#{name}"
when :file then "#{name}_url"
when :belongs_to then "#{name}_id"
# when :has_many then nil
else
name
end
end
end
end