305 lines
7.6 KiB
Ruby
305 lines
7.6 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
class Emoji
|
|
# update this to clear the cache
|
|
EMOJI_VERSION = "12"
|
|
|
|
FITZPATRICK_SCALE ||= [ "1f3fb", "1f3fc", "1f3fd", "1f3fe", "1f3ff" ]
|
|
|
|
DEFAULT_GROUP ||= "default"
|
|
|
|
include ActiveModel::SerializerSupport
|
|
|
|
attr_accessor :name, :url, :tonable, :group, :search_aliases
|
|
|
|
def self.global_emoji_cache
|
|
@global_emoji_cache ||= DistributedCache.new("global_emoji_cache", namespace: false)
|
|
end
|
|
|
|
def self.site_emoji_cache
|
|
@site_emoji_cache ||= DistributedCache.new("site_emoji_cache")
|
|
end
|
|
|
|
def self.all
|
|
Discourse.cache.fetch(cache_key("all_emojis")) { standard | custom }
|
|
end
|
|
|
|
def self.standard
|
|
Discourse.cache.fetch(cache_key("standard_emojis")) { load_standard }
|
|
end
|
|
|
|
def self.aliases
|
|
Discourse.cache.fetch(cache_key("aliases_emojis")) { db['aliases'] }
|
|
end
|
|
|
|
def self.search_aliases
|
|
Discourse.cache.fetch(cache_key("search_aliases_emojis")) { db['searchAliases'] }
|
|
end
|
|
|
|
def self.translations
|
|
Discourse.cache.fetch(cache_key("translations_emojis")) { load_translations }
|
|
end
|
|
|
|
def self.custom
|
|
Discourse.cache.fetch(cache_key("custom_emojis")) { load_custom }
|
|
end
|
|
|
|
def self.tonable_emojis
|
|
Discourse.cache.fetch(cache_key("tonable_emojis")) { db['tonableEmojis'] }
|
|
end
|
|
|
|
def self.custom?(name)
|
|
name = name.delete_prefix(':').delete_suffix(':')
|
|
Emoji.custom.detect { |e| e.name == name }.present?
|
|
end
|
|
|
|
def self.exists?(name)
|
|
Emoji[name].present?
|
|
end
|
|
|
|
def self.[](name)
|
|
name = name.delete_prefix(':').delete_suffix(':')
|
|
is_toned = name.match?(/.+:t[1-6]/)
|
|
normalized_name = name.gsub(/(.+):t[1-6]/, '\1')
|
|
|
|
found_emoji = nil
|
|
|
|
[[global_emoji_cache, :standard], [site_emoji_cache, :custom]].each do |cache, list_key|
|
|
cache_postfix, found_emoji = cache.defer_get_set(normalized_name) do
|
|
emoji = Emoji.public_send(list_key).detect do |e|
|
|
e.name == normalized_name &&
|
|
(!is_toned || (is_toned && e.tonable))
|
|
end
|
|
[self.cache_postfix, emoji]
|
|
end
|
|
|
|
if found_emoji && (cache_postfix != self.cache_postfix)
|
|
cache.delete(normalized_name)
|
|
redo
|
|
end
|
|
|
|
if found_emoji
|
|
break
|
|
end
|
|
end
|
|
|
|
found_emoji
|
|
end
|
|
|
|
def self.create_from_db_item(emoji)
|
|
name = emoji["name"]
|
|
return unless group = groups[name]
|
|
filename = emoji['filename'] || name
|
|
|
|
Emoji.new.tap do |e|
|
|
e.name = name
|
|
e.tonable = Emoji.tonable_emojis.include?(name)
|
|
e.url = Emoji.url_for(filename)
|
|
e.group = group
|
|
e.search_aliases = search_aliases[name] || []
|
|
end
|
|
end
|
|
|
|
def self.url_for(name)
|
|
name = name.delete_prefix(':').delete_suffix(':').gsub(/(.+):t([1-6])/, '\1/\2')
|
|
if SiteSetting.external_emoji_url.blank?
|
|
"#{Discourse.base_path}/images/emoji/#{SiteSetting.emoji_set}/#{name}.png?v=#{EMOJI_VERSION}"
|
|
else
|
|
"#{SiteSetting.external_emoji_url}/#{SiteSetting.emoji_set}/#{name}.png?v=#{EMOJI_VERSION}"
|
|
end
|
|
end
|
|
|
|
def self.cache_key(name)
|
|
"#{name}#{cache_postfix}"
|
|
end
|
|
|
|
def self.cache_postfix
|
|
":v#{EMOJI_VERSION}:#{Plugin::CustomEmoji.cache_key}"
|
|
end
|
|
|
|
def self.clear_cache
|
|
%w{custom standard aliases search_aliases translations all tonable}.each do |key|
|
|
Discourse.cache.delete(cache_key("#{key}_emojis"))
|
|
end
|
|
global_emoji_cache.clear
|
|
site_emoji_cache.clear
|
|
end
|
|
|
|
def self.groups_file
|
|
@groups_file ||= "#{Rails.root}/lib/emoji/groups.json"
|
|
end
|
|
|
|
def self.groups
|
|
@groups ||= begin
|
|
groups = {}
|
|
|
|
File.open(groups_file, "r:UTF-8") { |f| JSON.parse(f.read) }.each do |group|
|
|
group["icons"].each do |icon|
|
|
groups[icon["name"]] = group["name"]
|
|
end
|
|
end
|
|
|
|
groups
|
|
end
|
|
end
|
|
|
|
def self.db_file
|
|
@db_file ||= "#{Rails.root}/lib/emoji/db.json"
|
|
end
|
|
|
|
def self.db
|
|
@db ||= File.open(db_file, "r:UTF-8") { |f| JSON.parse(f.read) }
|
|
end
|
|
|
|
def self.load_standard
|
|
db['emojis'].map { |e| Emoji.create_from_db_item(e) }.compact
|
|
end
|
|
|
|
def self.load_custom
|
|
result = []
|
|
|
|
if !GlobalSetting.skip_db?
|
|
CustomEmoji.includes(:upload).order(:name).each do |emoji|
|
|
result << Emoji.new.tap do |e|
|
|
e.name = emoji.name
|
|
e.url = emoji.upload&.url
|
|
e.group = emoji.group || DEFAULT_GROUP
|
|
end
|
|
end
|
|
end
|
|
|
|
Plugin::CustomEmoji.emojis.each do |group, emojis|
|
|
emojis.each do |name, url|
|
|
result << Emoji.new.tap do |e|
|
|
e.name = name
|
|
url = (Discourse.base_path + url) if url[/^\/[^\/]/]
|
|
e.url = url
|
|
e.group = group || DEFAULT_GROUP
|
|
end
|
|
end
|
|
end
|
|
|
|
result
|
|
end
|
|
|
|
def self.load_translations
|
|
db["translations"]
|
|
end
|
|
|
|
def self.base_directory
|
|
"public#{base_url}"
|
|
end
|
|
|
|
def self.base_url
|
|
db = RailsMultisite::ConnectionManagement.current_db
|
|
"#{Discourse.base_path}/uploads/#{db}/_emoji"
|
|
end
|
|
|
|
def self.replacement_code(code)
|
|
code
|
|
.split('-')
|
|
.map!(&:hex)
|
|
.pack("U*")
|
|
end
|
|
|
|
def self.unicode_replacements
|
|
@unicode_replacements ||= begin
|
|
replacements = {}
|
|
is_tonable_emojis = Emoji.tonable_emojis
|
|
fitzpatrick_scales = FITZPATRICK_SCALE.map { |scale| scale.to_i(16) }
|
|
|
|
db['emojis'].each do |e|
|
|
name = e['name']
|
|
|
|
# special cased as we prefer to keep these as symbols
|
|
next if name == 'registered'
|
|
next if name == 'copyright'
|
|
next if name == 'tm'
|
|
next if name == 'left_right_arrow'
|
|
|
|
code = replacement_code(e['code'])
|
|
next unless code
|
|
|
|
replacements[code] = name
|
|
if is_tonable_emojis.include?(name)
|
|
fitzpatrick_scales.each_with_index do |scale, index|
|
|
toned_code = code.codepoints.insert(1, scale).pack("U*")
|
|
replacements[toned_code] = "#{name}:t#{index + 2}"
|
|
end
|
|
end
|
|
end
|
|
|
|
replacements["\u{2639}"] = 'frowning'
|
|
replacements["\u{263B}"] = 'slight_smile'
|
|
replacements["\u{2661}"] = 'heart'
|
|
replacements["\u{2665}"] = 'heart'
|
|
replacements["\u{263A}"] = 'relaxed'
|
|
|
|
replacements
|
|
end
|
|
end
|
|
|
|
def self.unicode_unescape(string)
|
|
PrettyText.escape_emoji(string)
|
|
end
|
|
|
|
def self.gsub_emoji_to_unicode(str)
|
|
if str
|
|
str.gsub(/:([\w\-+]*(?::t\d)?):/) { |name| Emoji.lookup_unicode($1) || name }
|
|
end
|
|
end
|
|
|
|
def self.lookup_unicode(name)
|
|
@reverse_map ||= begin
|
|
map = {}
|
|
is_tonable_emojis = Emoji.tonable_emojis
|
|
|
|
db['emojis'].each do |e|
|
|
next if e['name'] == 'tm'
|
|
|
|
code = replacement_code(e['code'])
|
|
next unless code
|
|
|
|
map[e['name']] = code
|
|
if is_tonable_emojis.include?(e['name'])
|
|
FITZPATRICK_SCALE.each_with_index do |scale, index|
|
|
toned_code = (code.codepoints.insert(1, scale.to_i(16))).pack("U*")
|
|
map["#{e['name']}:t#{index + 2}"] = toned_code
|
|
end
|
|
end
|
|
end
|
|
|
|
Emoji.aliases.each do |key, alias_names|
|
|
next unless alias_code = map[key]
|
|
alias_names.each do |alias_name|
|
|
map[alias_name] = alias_code
|
|
end
|
|
end
|
|
|
|
map
|
|
end
|
|
@reverse_map[name]
|
|
end
|
|
|
|
def self.unicode_replacements_json
|
|
@unicode_replacements_json ||= unicode_replacements.to_json
|
|
end
|
|
|
|
def self.codes_to_img(str)
|
|
return if str.blank?
|
|
|
|
str = str.gsub(/:([\w\-+]*(?::t\d)?):/) do |name|
|
|
code = $1
|
|
|
|
if code && Emoji.custom?(code)
|
|
emoji = Emoji[code]
|
|
"<img src=\"#{emoji.url}\" title=\"#{code}\" class=\"emoji\" alt=\"#{code}\" loading=\"lazy\" width=\"20\" height=\"20\">"
|
|
elsif code && Emoji.exists?(code)
|
|
"<img src=\"#{Emoji.url_for(code)}\" title=\"#{code}\" class=\"emoji\" alt=\"#{code}\" loading=\"lazy\" width=\"20\" height=\"20\">"
|
|
else
|
|
name
|
|
end
|
|
end
|
|
end
|
|
end
|