discourse/lib/tasks/emoji.rake

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# frozen_string_literal: true
require "active_support/test_case"
require "fileutils"
require "json"
require "nokogiri"
require "open-uri"
require "file_helper"
EMOJI_GROUPS_PATH ||= "lib/emoji/groups.json"
EMOJI_DB_PATH ||= "lib/emoji/db.json"
EMOJI_IMAGES_PATH ||= "public/images/emoji"
EMOJI_ORDERING_URL ||= "http://www.unicode.org/emoji/charts/emoji-ordering.html"
# emoji aliases are actually created as images
# eg: "right_anger_bubble" => [ "anger_right" ]
# your app will physically have right_anger_bubble.png and anger_right.png
EMOJI_ALIASES ||= {
"right_anger_bubble" => ["anger_right"],
"ballot_box" => ["ballot_box_with_ballot"],
"basketball_man" => %w[basketball_player person_with_ball],
"beach_umbrella" => %w[umbrella_on_ground beach beach_with_umbrella],
"parasol_on_ground" => ["umbrella_on_ground"],
"bellhop_bell" => ["bellhop"],
"biohazard" => ["biohazard_sign"],
"bow_and_arrow" => ["archery"],
"spiral_calendar" => %w[calendar_spiral spiral_calendar_pad],
"card_file_box" => ["card_box"],
"champagne" => ["bottle_with_popping_cork"],
"cheese" => ["cheese_wedge"],
"city_sunset" => ["city_dusk"],
"couch_and_lamp" => ["couch"],
"crayon" => ["lower_left_crayon"],
"cricket_bat_and_ball" => ["cricket_bat_ball"],
"latin_cross" => ["cross"],
"dagger" => ["dagger_knife"],
"desktop_computer" => ["desktop"],
"card_index_dividers" => ["dividers"],
"dove" => ["dove_of_peace"],
"footprints" => ["feet"],
"fire" => ["flame"],
"black_flag" => %w[flag_black waving_black_flag],
"cn" => ["flag_cn"],
"de" => ["flag_de"],
"es" => ["flag_es"],
"fr" => ["flag_fr"],
"uk" => %w[gb flag_gb],
"it" => ["flag_it"],
"jp" => ["flag_jp"],
"kr" => ["flag_kr"],
"ru" => ["flag_ru"],
"us" => ["flag_us"],
"white_flag" => %w[flag_white waving_white_flag],
"plate_with_cutlery" => %w[fork_knife_plate fork_and_knife_with_plate],
"framed_picture" => %w[frame_photo frame_with_picture],
"hammer_and_pick" => ["hammer_pick"],
"heavy_heart_exclamation" => %w[heart_exclamation heavy_heart_exclamation_mark_ornament],
"houses" => %w[homes house_buildings],
"hotdog" => ["hot_dog"],
"derelict_house" => %w[house_abandoned derelict_house_building],
"desert_island" => ["island"],
"old_key" => ["key2"],
"laughing" => ["satisfied"],
"business_suit_levitating" => %w[levitate man_in_business_suit_levitating],
"weight_lifting_man" => %w[lifter weight_lifter],
"medal_sports" => %w[medal sports_medal],
"metal" => ["sign_of_the_horns"],
"fu" => %w[middle_finger reversed_hand_with_middle_finger_extended],
"motorcycle" => ["racing_motorcycle"],
"mountain_snow" => ["snow_capped_mountain"],
"newspaper_roll" => %w[newspaper2 rolled_up_newspaper],
"spiral_notepad" => %w[notepad_spiral spiral_note_pad],
"oil_drum" => ["oil"],
"older_woman" => ["grandma"],
"paintbrush" => ["lower_left_paintbrush"],
"paperclips" => ["linked_paperclips"],
"pause_button" => ["double_vertical_bar"],
"peace_symbol" => ["peace"],
"fountain_pen" => %w[pen_fountain lower_left_fountain_pen],
"ping_pong" => ["table_tennis"],
"place_of_worship" => ["worship_symbol"],
"poop" => %w[shit hankey poo],
"radioactive" => ["radioactive_sign"],
"railway_track" => ["railroad_track"],
"robot" => ["robot_face"],
"skull" => ["skeleton"],
"skull_and_crossbones" => ["skull_crossbones"],
"speaking_head" => ["speaking_head_in_silhouette"],
"male_detective" => %w[spy sleuth_or_spy],
"thinking" => ["thinking_face"],
"-1" => ["thumbsdown"],
"+1" => ["thumbsup"],
"cloud_with_lightning_and_rain" => %w[thunder_cloud_rain thunder_cloud_and_rain],
"tickets" => ["admission_tickets"],
"next_track_button" => %w[track_next next_track],
"previous_track_button" => %w[track_previous previous_track],
"unicorn" => ["unicorn_face"],
"funeral_urn" => ["urn"],
"sun_behind_large_cloud" => %w[white_sun_cloud white_sun_behind_cloud],
"sun_behind_rain_cloud" => %w[white_sun_rain_cloud white_sun_behind_cloud_with_rain],
"partly_sunny" => %w[white_sun_small_cloud white_sun_with_small_cloud],
"open_umbrella" => ["umbrella2"],
"hammer_and_wrench" => ["tools"],
"face_with_thermometer" => ["thermometer_face"],
"timer_clock" => ["timer"],
"keycap_ten" => ["ten"],
"memo" => ["pencil"],
"rescue_worker_helmet" => %w[helmet_with_cross helmet_with_white_cross],
"slightly_smiling_face" => %w[slightly_smiling slight_smile],
"construction_worker_man" => ["construction_worker"],
"upside_down_face" => ["upside_down"],
"money_mouth_face" => ["money_mouth"],
"nerd_face" => ["nerd"],
"hugs" => %w[hugging hugging_face],
"roll_eyes" => %w[rolling_eyes face_with_rolling_eyes],
"slightly_frowning_face" => %w[frowning slight_frown],
"frowning_face" => %w[frowning2 white_frowning_face],
"zipper_mouth_face" => ["zipper_mouth"],
"face_with_head_bandage" => ["head_bandage"],
"raised_hand_with_fingers_splayed" => ["hand_splayed"],
"raised_hand" => ["hand"],
"vulcan_salute" => %w[vulcan raised_hand_with_part_between_middle_and_ring_fingers],
"policeman" => ["cop"],
"running_man" => ["runner"],
"walking_man" => ["walking"],
"bowing_man" => ["bow"],
"no_good_woman" => ["no_good"],
"raising_hand_woman" => ["raising_hand"],
"pouting_woman" => ["person_with_pouting_face"],
"frowning_woman" => ["person_frowning"],
"haircut_woman" => ["haircut"],
"massage_woman" => ["massage"],
"tshirt" => ["shirt"],
"biking_man" => ["bicyclist"],
"mountain_biking_man" => ["mountain_bicyclist"],
"passenger_ship" => ["cruise_ship"],
"motor_boat" => %w[motorboat boat],
"flight_arrival" => ["airplane_arriving"],
"flight_departure" => ["airplane_departure"],
"small_airplane" => ["airplane_small"],
"racing_car" => ["race_car"],
"family_man_woman_boy_boy" => ["family_man_woman_boys"],
"family_man_woman_girl_girl" => ["family_man_woman_girls"],
"family_woman_woman_boy" => ["family_women_boy"],
"family_woman_woman_girl" => ["family_women_girl"],
"family_woman_woman_girl_boy" => ["family_women_girl_boy"],
"family_woman_woman_boy_boy" => ["family_women_boys"],
"family_woman_woman_girl_girl" => ["family_women_girls"],
"family_man_man_boy" => ["family_men_boy"],
"family_man_man_girl" => ["family_men_girl"],
"family_man_man_girl_boy" => ["family_men_girl_boy"],
"family_man_man_boy_boy" => ["family_men_boys"],
"family_man_man_girl_girl" => ["family_men_girls"],
"cloud_with_lightning" => ["cloud_lightning"],
"tornado" => %w[cloud_tornado cloud_with_tornado],
"cloud_with_rain" => ["cloud_rain"],
"cloud_with_snow" => ["cloud_snow"],
"asterisk" => ["keycap_star"],
"studio_microphone" => ["microphone2"],
"medal_military" => ["military_medal"],
"couple_with_heart_woman_woman" => ["female_couple_with_heart"],
"couple_with_heart_man_man" => ["male_couple_with_heart"],
"couplekiss_woman_woman" => ["female_couplekiss"],
"couplekiss_man_man" => ["male_couplekiss"],
"honeybee" => ["bee"],
"lion" => ["lion_face"],
"artificial_satellite" => ["satellite_orbital"],
"computer_mouse" => %w[mouse_three_button three_button_mouse],
"hocho" => ["knife"],
"swimming_man" => ["swimmer"],
"wind_face" => ["wind_blowing_face"],
"golfing_man" => ["golfer"],
"facepunch" => ["punch"],
"building_construction" => ["construction_site"],
"family_man_woman_girl_boy" => ["family"],
"ice_hockey" => ["hockey"],
"snowman_with_snow" => ["snowman2"],
"play_or_pause_button" => ["play_pause"],
"film_projector" => ["projector"],
"shopping" => ["shopping_bags"],
"open_book" => ["book"],
"national_park" => ["park"],
"world_map" => ["map"],
"pen" => %w[pen_ballpoint lower_left_ballpoint_pen],
"email" => %w[envelope e-mail],
"phone" => ["telephone"],
"atom_symbol" => ["atom"],
"mantelpiece_clock" => ["clock"],
"camera_flash" => ["camera_with_flash"],
"film_strip" => ["film_frames"],
"balance_scale" => ["scales"],
"surfing_man" => ["surfer"],
"couplekiss_man_woman" => ["couplekiss"],
"couple_with_heart_woman_man" => ["couple_with_heart"],
"clamp" => ["compression"],
"dancing_women" => ["dancers"],
"blonde_man" => ["person_with_blond_hair"],
"sleeping_bed" => ["sleeping_accommodation"],
"om" => ["om_symbol"],
"tipping_hand_woman" => ["information_desk_person"],
"rowing_man" => ["rowboat"],
"new_moon" => ["moon"],
"oncoming_automobile" => %w[car automobile],
"fleur_de_lis" => ["fleur-de-lis"],
"face_vomiting" => ["puke"],
"smile" => ["grinning_face_with_smiling_eyes"],
"frowning_with_open_mouth" => ["frowning_face_with_open_mouth"],
}
EMOJI_GROUPS ||= [
{ "name" => "smileys_&_emotion", "tabicon" => "grinning" },
{ "name" => "people_&_body", "tabicon" => "wave" },
{ "name" => "animals_&_nature", "tabicon" => "evergreen_tree" },
{ "name" => "food_&_drink", "tabicon" => "hamburger" },
{ "name" => "travel_&_places", "tabicon" => "airplane" },
{ "name" => "activities", "tabicon" => "soccer" },
{ "name" => "objects", "tabicon" => "eyeglasses" },
{ "name" => "symbols", "tabicon" => "white_check_mark" },
{ "name" => "flags", "tabicon" => "checkered_flag" },
]
FITZPATRICK_SCALE ||= %w[1f3fb 1f3fc 1f3fd 1f3fe 1f3ff]
DEFAULT_SET ||= "twitter"
# Replace the platform by another when downloading the image (accepts names or categories)
EMOJI_IMAGES_PATCH ||= {
"apple" => {
"snowboarder" => "twitter",
},
"windows" => {
"country-flag" => "twitter",
},
}
EMOJI_SETS ||= {
"apple" => "apple",
"google" => "google",
"google_blob" => "google_classic",
"facebook" => "facebook_messenger",
"twitter" => "twitter",
"windows" => "win10",
}
EMOJI_DB_REPO ||= "git@github.com:xfalcox/emoji-db.git"
EMOJI_DB_REPO_PATH ||= File.join("tmp", "emoji-db")
GENERATED_PATH ||= File.join(EMOJI_DB_REPO_PATH, "generated")
def search_aliases(emojis)
# Format is search pattern => associated emojis
# eg: "cry" => [ "sob" ]
# for a "cry" query should return: cry and sob
@aliases ||=
begin
aliases = {
"sad" => %w[frowning_face slightly_frowning_face sob crying_cat_face cry],
"cry" => ["sob"],
}
emojis.each do |_, config|
next if config["search_aliases"].blank?
config["search_aliases"].each do |name|
aliases[name] ||= []
aliases[name] << config["name"]
end
end
aliases.map { |_, names| names.uniq! }
aliases
end
end
desc "update emoji images"
task "emoji:update" do
abort("This task can't be run on production.") if Rails.env.production?
copy_emoji_db
json_db = File.read(File.join(GENERATED_PATH, "db.json"))
db = JSON.parse(json_db)
write_db_json(db["emojis"], db["translations"], search_aliases(db["emojis"]))
fix_incomplete_sets(db["emojis"])
write_aliases
groups = generate_emoji_groups(db["emojis"], db["sections"])
write_js_groups(db["emojis"], groups)
optimize_images(Dir.glob(File.join(Rails.root, EMOJI_IMAGES_PATH, "/**/*.png")))
TestEmojiUpdate.run_and_summarize
FileUtils.rm_rf(EMOJI_DB_REPO_PATH)
end
desc "test the emoji generation script"
task "emoji:test" do
ENV["EMOJI_TEST"] = "1"
Rake::Task["emoji:update"].invoke
end
def optimize_images(images)
images.each do |filename|
FileHelper.image_optim(allow_pngquant: true, strip_image_metadata: true).optimize_image!(
filename,
)
end
end
def copy_emoji_db
`rm -rf tmp/emoji-db && git clone -b unicodeorg-as-source-of-truth --depth 1 #{EMOJI_DB_REPO} tmp/emoji-db`
path = "#{EMOJI_IMAGES_PATH}/**/*"
confirm_overwrite(path)
puts "Cleaning emoji folder..."
emoji_assets = Dir.glob(path)
emoji_assets.delete_if { |x| x == "#{EMOJI_IMAGES_PATH}/emoji_one" }
FileUtils.rm_rf(emoji_assets)
EMOJI_SETS.each do |set_name, set_destination|
origin = File.join(GENERATED_PATH, set_name)
destination = File.join(EMOJI_IMAGES_PATH, set_destination)
FileUtils.mv(origin, destination)
end
end
def fix_incomplete_sets(emojis)
emojis.each do |code, config|
EMOJI_SETS.each do |set_name, set_destination|
patch_set =
EMOJI_SETS[EMOJI_IMAGES_PATCH.dig(set_name, config["name"])] ||
EMOJI_SETS[EMOJI_IMAGES_PATCH.dig(set_name, config["category"])]
if patch_set ||
!File.exist?(File.join(EMOJI_IMAGES_PATH, set_destination, "#{config["name"]}.png"))
origin = File.join(EMOJI_IMAGES_PATH, patch_set || EMOJI_SETS[DEFAULT_SET], config["name"])
FileUtils.cp(
"#{origin}.png",
File.join(EMOJI_IMAGES_PATH, set_destination, "#{config["name"]}.png"),
)
if File.directory?(origin)
FileUtils.cp_r(origin, File.join(EMOJI_IMAGES_PATH, set_destination, config["name"]))
end
end
end
end
end
def generate_emoji_groups(keywords, sections)
puts "Generating groups..."
list = URI.parse(EMOJI_ORDERING_URL).read
doc = Nokogiri.HTML5(list)
table = doc.css("table")[0]
EMOJI_GROUPS.map do |group|
group["icons"] ||= []
sub_sections = sections[group["name"]]["sub_sections"]
sub_sections.each do |section|
title_section = table.css("tr th a[@name='#{section}']")
emoji_list_section = title_section.first.parent.parent.next_element
emoji_list_section
.css("a.plain img")
.each do |link|
emoji_code =
link
.attr("title")
.scan(/U\+(.{4,5})\b/)
.flatten
.map { |code| code.downcase.strip }
.join("_")
emoji_char = code_to_emoji(emoji_code)
if emoji = keywords[emoji_char]
group["icons"] << { name: emoji["name"], diversity: emoji["fitzpatrick_scale"] }
end
end
end
group.delete("sections")
group
end
end
def write_aliases
EMOJI_ALIASES.each do |original, aliases|
aliases.each do |emoji_alias|
EMOJI_SETS.each do |set_name, set_destination|
origin_file = File.join(EMOJI_IMAGES_PATH, set_destination, "#{original}.png")
origin_dir = File.join(EMOJI_IMAGES_PATH, set_destination, original)
FileUtils.cp(
origin_file,
File.join(EMOJI_IMAGES_PATH, set_destination, "#{emoji_alias}.png"),
)
if File.directory?(origin_dir)
FileUtils.cp_r(origin_dir, File.join(EMOJI_IMAGES_PATH, set_destination, emoji_alias))
end
end
end
end
end
def write_db_json(emojis, translations, search_aliases)
puts "Writing #{EMOJI_DB_PATH}..."
confirm_overwrite(EMOJI_DB_PATH)
FileUtils.mkdir_p(File.expand_path("..", EMOJI_DB_PATH))
# skin tones variations of emojis shouldnt appear in autocomplete
emojis_without_tones =
emojis
.select do |char, config|
!FITZPATRICK_SCALE.any? do |scale|
codepoints_to_code(char.codepoints, config["fitzpatrick_scale"])[scale]
end
end
.map do |char, config|
{
"code" => codepoints_to_code(char.codepoints, config["fitzpatrick_scale"]).tr("_", "-"),
"name" => config["name"],
}
end
emoji_with_tones =
emojis
.select { |code, config| config["fitzpatrick_scale"] }
.map { |code, config| config["name"] }
db = {
"emojis" => emojis_without_tones,
"tonableEmojis" => emoji_with_tones,
"aliases" => EMOJI_ALIASES,
"searchAliases" => search_aliases,
"translations" => translations,
}
File.write(EMOJI_DB_PATH, JSON.pretty_generate(db))
end
def write_js_groups(emojis, groups)
puts "Writing #{EMOJI_GROUPS_PATH}..."
confirm_overwrite(EMOJI_GROUPS_PATH)
template = JSON.pretty_generate(groups)
FileUtils.mkdir_p(File.expand_path("..", EMOJI_GROUPS_PATH))
File.write(EMOJI_GROUPS_PATH, template)
end
def code_to_emoji(code)
code.split("_").map { |e| e.to_i(16) }.pack "U*"
end
def codepoints_to_code(codepoints, fitzpatrick_scale)
codepoints = codepoints.map { |c| c.to_s(16).rjust(4, "0") }.join("_").downcase
codepoints.gsub!(/_fe0f\z/, "") if !fitzpatrick_scale
codepoints
end
def confirm_overwrite(path)
return if ENV["EMOJI_TEST"]
STDOUT.puts(
"[!] You are about to overwrite #{path}, are you sure? [CTRL+c] to cancel, [ENTER] to continue",
)
STDIN.gets.chomp
end
class TestEmojiUpdate < Minitest::Test
def self.run_and_summarize
puts "Runnings tests..."
reporter = Minitest::SummaryReporter.new
TestEmojiUpdate.run(reporter)
puts reporter.to_s
end
def image_path(style, name)
File.join("public", "images", "emoji", style, "#{name}.png")
end
def test_code_to_emoji
assert_equal "😎", code_to_emoji("1f60e")
end
def test_codepoints_to_code
assert_equal "1f6b5_200d_2640", codepoints_to_code([128_693, 8205, 9792, 65_039], false)
end
def test_codepoints_to_code_with_scale
assert_equal "1f6b5_200d_2640_fe0f", codepoints_to_code([128_693, 8205, 9792, 65_039], true)
end
def test_groups_js_es6_creation
assert File.exist?(EMOJI_GROUPS_PATH)
assert File.size?(EMOJI_GROUPS_PATH)
end
def test_db_json_creation
assert File.exist?(EMOJI_DB_PATH)
assert File.size?(EMOJI_DB_PATH)
end
def test_alias_creation
original_image = image_path("apple", "right_anger_bubble")
alias_image = image_path("apple", "anger_right")
assert_equal File.size(original_image), File.size(alias_image)
end
def test_cell_index_patch
original_image = image_path("apple", "snowboarder")
alias_image = image_path("twitter", "snowboarder")
assert_equal File.size(original_image), File.size(alias_image)
end
def test_scales
original_image = image_path("apple", "blonde_woman")
assert File.exist?(original_image)
assert File.size?(original_image)
(2..6).each do |scale|
image = image_path("apple", "blonde_woman/#{scale}")
assert File.exist?(image)
assert File.size?(image)
end
end
def test_default_set
original_image = image_path("twitter", "snowboarder")
alias_image = image_path("apple", "snowboarder")
assert_equal File.size(original_image), File.size(alias_image)
original_image = image_path("twitter", "macau")
alias_image = image_path("win10", "macau")
assert_equal File.size(original_image), File.size(alias_image)
end
end