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# frozen_string_literal: true
class CustomEmoji < ApplicationRecord
NAME_REGEXP = /[a-z0-9_-]+/.freeze
belongs_to :namespace, inverse_of: :custom_emoji
belongs_to :group, -> { where(type: 'Group') }, foreign_key: 'namespace_id'
# For now only external emoji are supported. See https://gitlab.com/gitlab-org/gitlab/-/issues/230467
validates :external, inclusion: { in: [true] }
validates :file, public_url: true, if: :external
validate :valid_emoji_name
validates :group, presence: true
validates :name,
uniqueness: { scope: [:namespace_id, :name] },
presence: true,
length: { maximum: 36 },
format: { with: /\A#{NAME_REGEXP}\z/ }
scope :by_name, -> (names) { where(name: names) }
alias_attribute :url, :file # this might need a change in https://gitlab.com/gitlab-org/gitlab/-/issues/230467
private
def valid_emoji_name
if Gitlab::Emoji.emoji_exists?(name)
errors.add(:name, _('%{name} is already being used for another emoji') % { name: self.name })
end
end
end
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