mirror of https://github.com/glitch-soc/mastodon
103 lines
3.4 KiB
Ruby
103 lines
3.4 KiB
Ruby
# frozen_string_literal: true
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# == Schema Information
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#
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# Table name: custom_emojis
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#
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# id :bigint(8) not null, primary key
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# shortcode :string default(""), not null
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# domain :string
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# image_file_name :string
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# image_content_type :string
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# image_file_size :integer
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# image_updated_at :datetime
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# created_at :datetime not null
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# updated_at :datetime not null
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# disabled :boolean default(FALSE), not null
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# uri :string
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# image_remote_url :string
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# visible_in_picker :boolean default(TRUE), not null
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# category_id :bigint(8)
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# image_storage_schema_version :integer
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#
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class CustomEmoji < ApplicationRecord
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include Attachmentable
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LOCAL_LIMIT = (ENV['MAX_EMOJI_SIZE'] || 256.kilobytes).to_i
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LIMIT = [LOCAL_LIMIT, (ENV['MAX_REMOTE_EMOJI_SIZE'] || 256.kilobytes).to_i].max
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SHORTCODE_RE_FRAGMENT = '[a-zA-Z0-9_]{2,}'
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SCAN_RE = /(?<=[^[:alnum:]:]|\n|^)
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:(#{SHORTCODE_RE_FRAGMENT}):
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(?=[^[:alnum:]:]|$)/x
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SHORTCODE_ONLY_RE = /\A#{SHORTCODE_RE_FRAGMENT}\z/
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IMAGE_MIME_TYPES = %w(image/png image/gif image/webp).freeze
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belongs_to :category, class_name: 'CustomEmojiCategory', optional: true
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has_one :local_counterpart, -> { where(domain: nil) }, class_name: 'CustomEmoji', primary_key: :shortcode, foreign_key: :shortcode, inverse_of: false, dependent: nil
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has_attached_file :image, styles: { static: { format: 'png', convert_options: '-coalesce +profile "!icc,*" +set date:modify +set date:create +set date:timestamp', file_geometry_parser: FastGeometryParser } }, validate_media_type: false, processors: [:lazy_thumbnail]
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normalizes :domain, with: ->(domain) { domain.downcase }
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validates_attachment :image, content_type: { content_type: IMAGE_MIME_TYPES }, presence: true
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validates_attachment_size :image, less_than: LIMIT, unless: :local?
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validates_attachment_size :image, less_than: LOCAL_LIMIT, if: :local?
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validates :shortcode, uniqueness: { scope: :domain }, format: { with: SHORTCODE_ONLY_RE }, length: { minimum: 2 }
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scope :local, -> { where(domain: nil) }
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scope :remote, -> { where.not(domain: nil) }
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scope :enabled, -> { where(disabled: false) }
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scope :alphabetic, -> { order(domain: :asc, shortcode: :asc) }
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scope :by_domain_and_subdomains, ->(domain) { where(domain: domain).or(where(arel_table[:domain].matches("%.#{domain}"))) }
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scope :listed, -> { local.enabled.where(visible_in_picker: true) }
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remotable_attachment :image, LIMIT
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after_commit :remove_entity_cache
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def local?
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domain.nil?
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end
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def object_type
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:emoji
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end
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def copy!
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copy = self.class.find_or_initialize_by(domain: nil, shortcode: shortcode)
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copy.image = image
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copy.tap(&:save!)
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end
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def to_log_human_identifier
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shortcode
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end
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class << self
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def from_text(text, domain = nil)
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return [] if text.blank?
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shortcodes = text.scan(SCAN_RE).map(&:first).uniq
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return [] if shortcodes.empty?
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EntityCache.instance.emoji(shortcodes, domain)
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end
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def search(shortcode)
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where(arel_table[:shortcode].matches("%#{sanitize_sql_like(shortcode)}%"))
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end
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end
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private
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def remove_entity_cache
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Rails.cache.delete(EntityCache.instance.to_key(:emoji, shortcode, domain))
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end
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end
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