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module Spammable
extend ActiveSupport::Concern
module ClassMethods
def attr_spammable(attr, options = {})
spammable_attrs << [attr.to_s, options]
end
end
included do
has_one :user_agent_detail, as: :subject, dependent: :destroy
attr_accessor :spam
after_validation :check_for_spam, on: :create
cattr_accessor :spammable_attrs, instance_accessor: false do
[]
end
delegate :ip_address, :user_agent, to: :user_agent_detail, allow_nil: true
end
def submittable_as_spam?
if user_agent_detail
user_agent_detail.submittable? && current_application_settings.akismet_enabled
else
false
end
end
def spam?
@spam
end
def check_for_spam
if spam?
self.errors.add(:base, "Your #{spammable_entity_type} has been recognized as spam and has been discarded.")
end
end
def spammable_entity_type
self.class.name.underscore
end
def spam_title
attr = self.class.spammable_attrs.find do |_, options|
options.fetch(:spam_title, false)
end
public_send(attr.first) if attr && respond_to?(attr.first.to_sym)
end
def spam_description
attr = self.class.spammable_attrs.find do |_, options|
options.fetch(:spam_description, false)
end
public_send(attr.first) if attr && respond_to?(attr.first.to_sym)
end
def spammable_text
result = self.class.spammable_attrs.map do |attr|
public_send(attr.first)
end
result.reject(&:blank?).join("\n")
end
# Override in Spammable if further checks are necessary
def check_for_spam?
true
end
end
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