pupilfirst/pupilfirst

class UpdateSchoolStringMutator < ApplicationQuery
  include AuthorizeSchoolAdmin

  property :key,
           validates: {
             inclusion: {
               in: SchoolString::VALID_KEYS,
               message: "InvalidKey"
             }
           }
  property :value

  # 'value' has different validations for different school string types.
  validates :value,
            length: {
              maximum: 20_000,
              message: "InvalidLengthValue"
            },
            allow_blank: true,
            if: :agreement?

  validates :value,
            length: {
              maximum: 1000,
              message: "InvalidLengthValue"
            },
            allow_blank: true,
            if: :address?

  validates :value,
            email: {
              message: "InvalidValue"
            },
            allow_blank: true,
            if: :email_address?

  def update_school_string
    SchoolString.transaction do
      if value.present?
        school_string =
          current_school.school_strings.where(key: key).first_or_initialize
        school_string.value = value.strip
        school_string.save!
      else
        current_school.school_strings.where(key: key).destroy_all
      end
    end
  end

  private

  def resource_school
    current_school
  end

  def agreement?
    key.in?(
      [
        SchoolString::PrivacyPolicy.key,
        SchoolString::TermsAndConditions.key,
        SchoolString::CodeOfConduct.key
      ]
    )
  end

  def address?
    key == SchoolString::Address.key
  end

  def email_address?
    key == SchoolString::EmailAddress.key
  end
end