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# frozen_string_literal: true
module Issues
class SetCrmContactsService < ::BaseProjectService
attr_accessor :issue, :errors
MAX_ADDITIONAL_CONTACTS = 6
def execute(issue)
@issue = issue
@errors = []
return error_no_permissions unless allowed?
return error_invalid_params unless valid_params?
determine_changes if params[:crm_contact_ids]
return error_too_many if too_many?
add_contacts if params[:add_crm_contact_ids]
remove_contacts if params[:remove_crm_contact_ids]
if issue.valid?
ServiceResponse.success(payload: issue)
else
# The default error isn't very helpful: "Issue customer relations contacts is invalid"
issue.errors.delete(:issue_customer_relations_contacts)
issue.errors.add(:issue_customer_relations_contacts, errors.to_sentence)
ServiceResponse.error(payload: issue, message: issue.errors.full_messages)
end
end
private
def determine_changes
existing_contact_ids = issue.issue_customer_relations_contacts.map(&:contact_id)
params[:add_crm_contact_ids] = params[:crm_contact_ids] - existing_contact_ids
params[:remove_crm_contact_ids] = existing_contact_ids - params[:crm_contact_ids]
end
def add_contacts
params[:add_crm_contact_ids].uniq.each do |contact_id|
issue_contact = issue.issue_customer_relations_contacts.create(contact_id: contact_id)
unless issue_contact.persisted?
# The validation ensures that the id exists and the user has permission
errors << "#{contact_id}: The resource that you are attempting to access does not exist or you don't have permission to perform this action"
end
end
end
def remove_contacts
issue.issue_customer_relations_contacts
.where(contact_id: params[:remove_crm_contact_ids]) # rubocop: disable CodeReuse/ActiveRecord
.delete_all
end
def allowed?
current_user&.can?(:set_issue_crm_contacts, issue)
end
def valid_params?
set_present? ^ add_or_remove_present?
end
def set_present?
params[:crm_contact_ids].present?
end
def add_or_remove_present?
params[:add_crm_contact_ids].present? || params[:remove_crm_contact_ids].present?
end
def too_many?
params[:add_crm_contact_ids] && params[:add_crm_contact_ids].length > MAX_ADDITIONAL_CONTACTS
end
def error_no_permissions
ServiceResponse.error(message: ['You have insufficient permissions to set customer relations contacts for this issue'])
end
def error_invalid_params
ServiceResponse.error(message: ['You cannot combine crm_contact_ids with add_crm_contact_ids or remove_crm_contact_ids'])
end
def error_too_many
ServiceResponse.error(payload: issue, message: ["You can only add up to #{MAX_ADDITIONAL_CONTACTS} contacts at one time"])
end
end
end
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