57 lines
1.4 KiB
Ruby
57 lines
1.4 KiB
Ruby
# frozen_string_literal: true
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module Users
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class UpdateCanonicalEmailService
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extend ActiveSupport::Concern
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INCLUDED_DOMAINS_PATTERN = [/gmail.com/].freeze
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def initialize(user:)
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raise ArgumentError, "Please provide a user" unless user.is_a?(User)
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@user = user
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end
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def execute
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return unless user.email
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return unless user.email.match? Devise.email_regexp
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canonical_email = canonicalize_email
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unless canonical_email
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# the canonical email doesn't exist, probably because the domain doesn't match
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# destroy any UserCanonicalEmail record associated with this user
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user.user_canonical_email&.delete
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# nothing else to do here
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return
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end
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if user.user_canonical_email
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# update to the new value
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user.user_canonical_email.canonical_email = canonical_email
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else
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user.build_user_canonical_email(canonical_email: canonical_email)
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end
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end
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private
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attr_reader :user
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def canonicalize_email
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email = user.email
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portions = email.split('@')
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username = portions.shift
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rest = portions.join
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regex = Regexp.union(INCLUDED_DOMAINS_PATTERN)
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return unless regex.match?(rest)
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no_dots = username.tr('.', '')
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before_plus = no_dots.split('+')[0]
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"#{before_plus}@#{rest}"
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end
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end
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end
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