discourse/lib/tasks/emoji.rake

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# frozen_string_literal: true
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require "active_support/test_case"
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require "fileutils"
require "json"
require "nokogiri"
require "open-uri"
require_dependency "file_helper"
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EMOJI_GROUPS_PATH ||= "lib/emoji/groups.json"
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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"
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# 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
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EMOJI_ALIASES ||= {
"right_anger_bubble" => [ "anger_right" ],
"ballot_box" => [ "ballot_box_with_ballot" ],
"basketball_man" => [ "basketball_player", "person_with_ball" ],
"beach_umbrella" => [ "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" => [ "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" ],
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"latin_cross" => [ "cross" ],
"dagger" => [ "dagger_knife" ],
"desktop_computer" => [ "desktop" ],
"card_index_dividers" => [ "dividers" ],
"dove" => [ "dove_of_peace" ],
"footprints" => [ "feet" ],
"fire" => [ "flame" ],
"black_flag" => [ "flag_black", "waving_black_flag" ],
"cn" => [ "flag_cn" ],
"de" => [ "flag_de" ],
"es" => [ "flag_es" ],
"fr" => [ "flag_fr" ],
"uk" => [ "gb", "flag_gb" ],
"it" => [ "flag_it" ],
"jp" => [ "flag_jp" ],
"kr" => [ "flag_kr" ],
"ru" => [ "flag_ru" ],
"us" => [ "flag_us" ],
"white_flag" => [ "flag_white", "waving_white_flag" ],
"plate_with_cutlery" => [ "fork_knife_plate", "fork_and_knife_with_plate" ],
"framed_picture" => [ "frame_photo", "frame_with_picture" ],
"hammer_and_pick" => [ "hammer_pick" ],
"heavy_heart_exclamation" => [ "heart_exclamation", "heavy_heart_exclamation_mark_ornament" ],
"houses" => [ "homes", "house_buildings" ],
"hotdog" => [ "hot_dog" ],
"derelict_house" => [ "house_abandoned", "derelict_house_building" ],
"desert_island" => [ "island" ],
"old_key" => [ "key2" ],
"laughing" => [ "satisfied" ],
"business_suit_levitating" => [ "levitate", "man_in_business_suit_levitating" ],
"weight_lifting_man" => [ "lifter", "weight_lifter" ],
"medal_sports" => [ "medal", "sports_medal" ],
"metal" => [ "sign_of_the_horns" ],
"fu" => [ "middle_finger", "reversed_hand_with_middle_finger_extended" ],
"motorcycle" => [ "racing_motorcycle" ],
"mountain_snow" => [ "snow_capped_mountain" ],
"newspaper_roll" => [ "newspaper2", "rolled_up_newspaper" ],
"spiral_notepad" => [ "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" => [ "pen_fountain", "lower_left_fountain_pen" ],
"ping_pong" => [ "table_tennis" ],
"place_of_worship" => [ "worship_symbol" ],
"poop" => [ "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" => [ "spy", "sleuth_or_spy" ],
"thinking" => [ "thinking_face" ],
"-1" => [ "thumbsdown" ],
"+1" => [ "thumbsup" ],
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"cloud_with_lightning_and_rain" => [ "thunder_cloud_rain", "thunder_cloud_and_rain" ],
"tickets" => [ "admission_tickets" ],
"next_track_button" => [ "track_next", "next_track" ],
"previous_track_button" => [ "track_previous", "previous_track" ],
"unicorn" => [ "unicorn_face" ],
"funeral_urn" => [ "urn" ],
"sun_behind_large_cloud" => [ "white_sun_cloud", "white_sun_behind_cloud" ],
"sun_behind_rain_cloud" => [ "white_sun_rain_cloud", "white_sun_behind_cloud_with_rain" ],
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"partly_sunny" => [ "white_sun_small_cloud", "white_sun_with_small_cloud" ],
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"open_umbrella" => [ "umbrella2" ],
"hammer_and_wrench" => [ "tools" ],
"face_with_thermometer" => [ "thermometer_face" ],
"timer_clock" => [ "timer" ],
"keycap_ten" => [ "ten" ],
"memo" => [ "pencil" ],
"rescue_worker_helmet" => [ "helmet_with_cross", "helmet_with_white_cross" ],
"slightly_smiling_face" => [ "slightly_smiling", "slight_smile"],
"construction_worker_man" => [ "construction_worker" ],
"upside_down_face" => [ "upside_down" ],
"money_mouth_face" => [ "money_mouth" ],
"nerd_face" => [ "nerd" ],
"hugs" => [ "hugging", "hugging_face" ],
"roll_eyes" => [ "rolling_eyes", "face_with_rolling_eyes" ],
"slightly_frowning_face" => [ "frowning", "slight_frown" ],
"frowning_face" => [ "frowning2", "white_frowning_face" ],
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"zipper_mouth_face" => [ "zipper_mouth" ],
"face_with_head_bandage" => [ "head_bandage" ],
"raised_hand_with_fingers_splayed" => [ "hand_splayed" ],
"raised_hand" => [ "hand" ],
"vulcan_salute" => [ "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" => [ "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" => [ "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" ],
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"computer_mouse" => [ "mouse_three_button", "three_button_mouse" ],
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"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" => [ "pen_ballpoint", "lower_left_ballpoint_pen" ],
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"email" => [ "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" ],
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"oncoming_automobile" => [ "car", "automobile" ],
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"fleur_de_lis" => [ "fleur-de-lis" ],
"face_vomiting" => [ "puke" ],
"smile" => [ "grinning_face_with_smiling_eyes" ],
"frowning_with_open_mouth" => ["frowning_face_with_open_mouth"],
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}
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EMOJI_GROUPS ||= [
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{
"name" => "smileys_&_emotion",
"tabicon" => "grinning"
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},
{
"name" => "people_&_body",
"tabicon" => "wave"
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},
{
"name" => "animals_&_nature",
"tabicon" => "evergreen_tree"
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},
{
"name" => "food_&_drink",
"tabicon" => "hamburger"
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},
{
"name" => "travel_&_places",
"tabicon" => "airplane"
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},
{
"name" => "activities",
"tabicon" => "soccer"
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},
{
"name" => "objects",
"tabicon" => "eyeglasses"
},
{
"name" => "symbols",
"tabicon" => "white_check_mark"
},
{
"name" => "flags",
"tabicon" => "checkered_flag"
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}
]
FITZPATRICK_SCALE ||= [ "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" }
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}
EMOJI_SETS ||= {
"apple" => "apple",
"google" => "google",
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"google_blob" => "google_classic",
"facebook" => "facebook_messenger",
"twitter" => "twitter",
"windows" => "win10",
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}
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EMOJI_DB_REPO ||= "git@github.com:jjaffeux/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" => [ "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"
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task "emoji:update" do
copy_emoji_db
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json_db = File.read(File.join(GENERATED_PATH, "db.json"))
db = JSON.parse(json_db)
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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")))
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TestEmojiUpdate.run_and_summarize
FileUtils.rm_rf(EMOJI_DB_REPO_PATH)
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end
desc "test the emoji generation script"
task "emoji:test" do
ENV['EMOJI_TEST'] = "1"
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Rake::Task["emoji:update"].invoke
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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 --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..."
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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)
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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"))
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if File.directory?(origin_dir)
FileUtils.cp_r(origin_dir, File.join(EMOJI_IMAGES_PATH, set_destination, emoji_alias))
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end
end
end
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end
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end
def write_db_json(emojis, translations, search_aliases)
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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 { |char, config|
!FITZPATRICK_SCALE.any? { |scale|
codepoints_to_code(char.codepoints, config["fitzpatrick_scale"])[scale]
}
}
.map { |char, config|
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{
"code" => codepoints_to_code(char.codepoints, config["fitzpatrick_scale"]).tr("_", "-"),
"name" => config["name"]
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}
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}
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emoji_with_tones = emojis
.select { |code, config| config["fitzpatrick_scale"] }
.map { |code, config| config["name"] }
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db = {
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"emojis" => emojis_without_tones,
"tonableEmojis" => emoji_with_tones,
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"aliases" => EMOJI_ALIASES,
"searchAliases" => search_aliases,
"translations" => translations
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}
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File.write(EMOJI_DB_PATH, JSON.pretty_generate(db))
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end
def write_js_groups(emojis, groups)
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puts "Writing #{EMOJI_GROUPS_PATH}..."
confirm_overwrite(EMOJI_GROUPS_PATH)
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template = JSON.pretty_generate(groups)
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FileUtils.mkdir_p(File.expand_path("..", EMOJI_GROUPS_PATH))
File.write(EMOJI_GROUPS_PATH, template)
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end
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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
if !fitzpatrick_scale
codepoints.gsub!(/_fe0f$/, "")
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end
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
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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([128693, 8205, 9792, 65039], false)
end
def test_codepoints_to_code_with_scale
assert_equal "1f6b5_200d_2640_fe0f", codepoints_to_code([128693, 8205, 9792, 65039], true)
end
def test_groups_js_es6_creation
assert File.exist?(EMOJI_GROUPS_PATH)
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assert File.size?(EMOJI_GROUPS_PATH)
end
def test_db_json_creation
assert File.exist?(EMOJI_DB_PATH)
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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)
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assert File.size?(original_image)
(2..6).each do |scale|
image = image_path("apple", "blonde_woman/#{scale}")
assert File.exist?(image)
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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)
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end
end