Sha256: 1751c13b6f67085788d9fef1be92a50ef2e6ceda76321c0e41a4b834276c0764
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Contents
# Each {Article} must have one or more {Author}s.
#
# An {Author} is unrelated to the currently logged in user. This allows to publish
# {Article}s by guest authors that don't need an own user account
module Lines
class Author < ActiveRecord::Base
# Relations
has_many :authorables
has_many :articles, through: :authorables
# Validations
validates :name, :email, :description, presence: true
# Callbacks
before_destroy :check_for_articles
# Returns the first name
def first_name
self.name.split(" ").first
end
# Returns the last name
def last_name
self.name.split(" ").last
end
private
# Return false if an author has associated articles.
# This check is called before destroying an author to prevent leaving articles
# without an associated author.
def check_for_articles
if articles.count > 0
errors[:base] << "cannot delete author with existing blog articles"
return false
end
end
end
end
Version data entries
54 entries across 54 versions & 1 rubygems