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# frozen_string_literal: true
class CustomEmoji < ApplicationRecord
NAME_REGEXP = /[a-z0-9_-]+/
belongs_to :namespace, inverse_of: :custom_emoji
belongs_to :group, -> { where(type: Group.sti_name) }, foreign_key: 'namespace_id'
belongs_to :creator, class_name: "User", inverse_of: :created_custom_emoji
# 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 :creator, presence: true
validates :name,
uniqueness: { scope: [:namespace_id, :name] },
presence: true,
length: { maximum: 36 },
format: { with: /\A#{NAME_REGEXP}\z/o }
scope :by_name, -> (names) { where(name: names) }
scope :for_namespaces, -> (namespace_ids) do
order = Gitlab::Pagination::Keyset::Order.build([
Gitlab::Pagination::Keyset::ColumnOrderDefinition.new(
attribute_name: 'name',
order_expression: CustomEmoji.arel_table[:name].asc,
nullable: :not_nullable,
distinct: true
),
Gitlab::Pagination::Keyset::ColumnOrderDefinition.new(
attribute_name: 'current_namespace',
order_expression: Arel.sql("CASE WHEN namespace_id = #{namespace_ids.first} THEN 0 ELSE 1 END").asc,
nullable: :not_nullable,
add_to_projections: true
)
])
where(namespace_id: namespace_ids)
.select("DISTINCT ON (name) *")
.order(order)
end
alias_attribute :url, :file # this might need a change in https://gitlab.com/gitlab-org/gitlab/-/issues/230467
scope :for_resource, -> (resource) do
return none if resource.nil? || Feature.disabled?(:custom_emoji, resource)
return none unless resource.is_a?(Group)
resource.custom_emoji
end
private
def valid_emoji_name
if TanukiEmoji.find_by_alpha_code(name)
errors.add(:name, _('%{name} is already being used for another emoji') % { name: self.name })
end
end
end
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