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#
# The Account model takes care of the livecycle of a user.
# It composes a User record and it's identity records.
# It also allows for other engines to hook into the livecycle by
# monkeypatching the create, update and destroy methods.
# There's an ActiveSupport load_hook at the end of this file to
# make this more easy.
#
class Account
attr_reader :user
def initialize(user = nil)
@user = user
end
# Returns the user record so it can be used in views.
def self.create(attrs)
identity = nil
user = nil
user = User.new(attrs)
user.save
if user.persisted?
identity = user.identity
identity.user_id = user.id
identity.save
identity.errors.each do |attr, msg|
user.errors.add(attr, msg)
end
end
rescue StandardError => ex
user.errors.add(:base, ex.to_s) if user
ensure
if creation_problem?(user, identity)
user.destroy if user && user.persisted?
identity.destroy if identity && identity.persisted?
end
return user
end
def update(attrs)
if attrs[:password_verifier].present?
update_login(attrs[:login])
@user.update_attributes attrs.slice(:password_verifier, :password_salt)
end
# TODO: move into identity controller
key = update_pgp_key(attrs[:public_key])
@user.errors.set :public_key, key.errors.full_messages
@user.save && save_identities
@user.refresh_identity
end
def destroy(destroy_identity=false)
return unless @user
if destroy_identity == false
Identity.disable_all_for(@user)
else
Identity.destroy_all_for(@user)
end
@user.destroy
end
protected
def update_login(login)
return unless login.present?
@old_identity = Identity.for(@user)
@user.login = login
@new_identity = Identity.for(@user) # based on the new login
@old_identity.destination = @user.email_address # alias old -> new
end
def update_pgp_key(key)
PgpKey.new(key).tap do |key|
if key.present? && key.valid?
@new_identity ||= Identity.for(@user)
@new_identity.set_key(:pgp, key)
end
end
end
def save_identities
@new_identity.try(:save) && @old_identity.try(:save)
end
def self.creation_problem?(user, identity)
user.nil? ||
!user.persisted? ||
identity.nil? ||
!identity.persisted? ||
user.errors.any? ||
identity.errors.any?
end
# You can hook into the account lifecycle from different engines using
# ActiveSupport.on_load(:account) do ...
ActiveSupport.run_load_hooks(:account, self)
end
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