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Contents
# frozen_string_literal: true
module Decidim
# This concern contains the logic related to single authorship.
#
# Sometimes authorship may belong to a single user or be shared among coauthors, in
# this latest case the Coauthorable concern should be used instead of Authorable.
module Authorable
extend ActiveSupport::Concern
included do
belongs_to :author, polymorphic: true, foreign_key: "decidim_author_id", foreign_type: "decidim_author_type"
belongs_to :user_group, foreign_key: "decidim_user_group_id", class_name: "Decidim::UserGroup", optional: true
validates :author, presence: true
validate :verified_user_group, :user_group_membership
validate :author_belongs_to_organization
# Checks whether the user is author of the given proposal, either directly
# authoring it or via a user group.
#
# user - the user to check for authorship
def authored_by?(other_author)
other_author == author || other_author.respond_to?(:user_groups) && other_author.user_groups.include?(user_group)
end
# Returns the normalized author, whether it's a user group or a user. Ideally this should be
# the *author* method, but it's pending a refactor.
#
# Returns an Author, a UserGroup or nil.
def normalized_author
user_group || author
end
private
def verified_user_group
return unless user_group
errors.add :user_group, :invalid unless user_group.verified?
end
def user_group_membership
return unless user_group
errors.add :user_group, :invalid unless user_group.users.include? author
end
def author_belongs_to_organization
return if !author || !organization
errors.add(:author, :invalid) unless author == organization || author.respond_to?(:organization) && author.organization == organization
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems