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Contents
require_dependency "renalware/letters"
# This class is responsible for transforming the attributes
# of a recipient. The resulting attributes can then
# be mass assigned to an ActiveRecord recipient object.
module Renalware
module Letters
class RecipientParamsProcessor
def initialize(patient)
@patient = patient
end
def call(params)
params =
if can_have_contact_as_addressee?(params)
params = put_contact_as_addressee(params)
translate_keep_flag_to_nested_attributes_destroy_flag(params)
else
clear_addressee(params)
end
remove_addressee_id(params)
end
private
def can_have_contact_as_addressee?(params)
params[:person_role] == "contact"
end
def put_contact_as_addressee(params)
params.merge(addressee: fetch_contact(params))
end
def remove_addressee_id(params)
params.except(:addressee_id)
end
def clear_addressee(params)
params.merge(addressee: nil)
end
def translate_keep_flag_to_nested_attributes_destroy_flag(params)
# ActiveRecord checks "_destroy" attribute to delete an existing
# record when mass assigning nested attributes.
# In our form, we need to use to "check" the contacts to be
# assigned as CC's (not to destroy them). So we therefore convert
# the "_keep" flag to a "_destroy" one.
params[:_destroy] = (params[:_keep] == "1") ? "0" : "1"
params.except(:_keep)
end
def fetch_contact(params)
return if params[:addressee_id].blank?
@patient.contacts.find_by!(id: params[:addressee_id])
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems