529 lines
12 KiB
Ruby
529 lines
12 KiB
Ruby
# frozen_string_literal: true
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module SvgSprite
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SVG_ICONS ||=
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Set.new(
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%w[
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adjust
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address-book
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align-left
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ambulance
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anchor
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angle-double-down
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angle-double-up
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angle-double-right
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angle-double-left
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angle-down
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angle-right
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angle-up
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archive
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arrow-down
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arrow-left
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arrow-right
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arrow-up
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arrows-alt-h
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arrows-alt-v
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at
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asterisk
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backward
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ban
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bars
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bed
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bell
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bell-slash
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bold
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book
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book-reader
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bookmark
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bookmark-delete
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briefcase
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bullseye
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calendar-alt
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caret-down
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caret-left
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caret-right
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caret-up
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certificate
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chart-bar
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chart-pie
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check
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check-circle
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check-square
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chevron-circle-down
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chevron-down
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chevron-left
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chevron-right
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chevron-up
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circle
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cloud-upload-alt
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code
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cog
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columns
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comment
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compress
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copy
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crosshairs
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cube
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desktop
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discourse-amazon
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discourse-bell-exclamation
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discourse-bell-one
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discourse-bell-slash
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discourse-bookmark-clock
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discourse-compress
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discourse-dnd
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discourse-emojis
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discourse-expand
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discourse-other-tab
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discourse-sparkles
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discourse-threads
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discourse-sidebar
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discourse-chevron-collapse
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discourse-chevron-expand
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download
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ellipsis-h
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ellipsis-v
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envelope
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envelope-square
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exchange-alt
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exclamation-circle
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exclamation-triangle
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external-link-alt
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eye
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fab-android
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fab-apple
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fab-chrome
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fab-discord
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fab-discourse
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fab-facebook-square
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fab-facebook
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fab-github
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fab-instagram
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fab-linux
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fab-threads
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fab-threads-square
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fab-twitter
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fab-twitter-square
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fab-wikipedia-w
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fab-windows
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far-bell
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far-bell-slash
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far-calendar-plus
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far-chart-bar
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far-check-square
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far-circle
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far-clipboard
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far-clock
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far-comment
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far-comments
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far-copyright
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far-dot-circle
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far-edit
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far-envelope
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far-eye
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far-eye-slash
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far-file-alt
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far-frown
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far-heart
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far-image
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far-list-alt
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far-meh
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far-moon
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far-smile
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far-square
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far-star
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far-sun
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far-thumbs-down
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far-thumbs-up
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far-trash-alt
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fast-backward
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fast-forward
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file
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file-alt
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filter
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flag
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folder
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folder-open
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forward
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gavel
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gift
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globe
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globe-americas
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grip-lines
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hand-point-right
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hands-helping
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heart
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history
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home
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hourglass-start
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id-card
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image
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images
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inbox
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info-circle
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italic
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key
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keyboard
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layer-group
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link
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list
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list-ol
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list-ul
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lock
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magic
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map-marker-alt
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microphone-slash
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minus
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minus-circle
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mobile-alt
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moon
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paint-brush
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palette
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paper-plane
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pause
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pencil-alt
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play
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plug
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plus
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plus-circle
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plus-square
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power-off
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project-diagram
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puzzle-piece
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question
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question-circle
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quote-left
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quote-right
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random
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redo
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reply
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rocket
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search
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search-plus
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search-minus
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share
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shield-alt
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sign-in-alt
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sign-out-alt
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signal
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sliders-h
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square-full
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star
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step-backward
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step-forward
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stream
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sync-alt
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sync
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table
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tag
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tags
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tasks
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th
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thermometer-three-quarters
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thumbs-down
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thumbs-up
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thumbtack
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times
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times-circle
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toggle-off
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toggle-on
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trash-alt
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undo
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unlink
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unlock
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unlock-alt
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upload
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user
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user-cog
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user-edit
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user-friends
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user-plus
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user-secret
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user-shield
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user-times
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users
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wrench
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spinner
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tippy-rounded-arrow
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],
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)
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FA_ICON_MAP = { "far fa-" => "far-", "fab fa-" => "fab-", "fas fa-" => "", "fa-" => "" }
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CORE_SVG_SPRITES = Dir.glob("#{Rails.root}/vendor/assets/svg-icons/**/*.svg")
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THEME_SPRITE_VAR_NAME = "icons-sprite"
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MAX_THEME_SPRITE_SIZE = 1024.kilobytes
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def self.preload
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settings_icons
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group_icons
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badge_icons
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end
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def self.symbols_for(svg_filename, sprite, strict:)
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if strict
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Nokogiri.XML(sprite) { |config| config.options = Nokogiri::XML::ParseOptions::NOBLANKS }
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else
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Nokogiri.XML(sprite)
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end.css("symbol")
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.filter_map do |sym|
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icon_id = prepare_symbol(sym, svg_filename)
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if icon_id.present?
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sym.attributes["id"].value = icon_id
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sym.css("title").each(&:remove)
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[icon_id, sym.to_xml]
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end
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end
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.to_h
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end
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def self.core_svgs
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@core_svgs ||=
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CORE_SVG_SPRITES.reduce({}) do |symbols, path|
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symbols.merge!(symbols_for(File.basename(path, ".svg"), File.read(path), strict: true))
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end
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end
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# Just used in tests
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def self.clear_plugin_svg_sprite_cache!
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@plugin_svgs = nil
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end
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def self.plugin_svgs
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@plugin_svgs ||=
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begin
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plugin_paths = []
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Discourse
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.plugins
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.map { |plugin| File.dirname(plugin.path) }
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.each { |path| plugin_paths << "#{path}/svg-icons/*.svg" }
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custom_sprite_paths = Dir.glob(plugin_paths)
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custom_sprite_paths.reduce({}) do |symbols, path|
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symbols.merge!(symbols_for(File.basename(path, ".svg"), File.read(path), strict: true))
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end
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end
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end
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def self.theme_svgs(theme_id)
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if theme_id.present?
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cache
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.defer_get_set_bulk(
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Theme.transform_ids(theme_id),
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lambda { |theme_id| "theme_svg_sprites_#{theme_id}" },
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) do |theme_ids|
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theme_field_uploads =
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ThemeField.where(
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type_id: ThemeField.types[:theme_upload_var],
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name: THEME_SPRITE_VAR_NAME,
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theme_id: theme_ids,
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).pluck(:upload_id)
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theme_sprites =
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ThemeSvgSprite.where(theme_id: theme_ids).pluck(:theme_id, :upload_id, :sprite)
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missing_sprites = (theme_field_uploads - theme_sprites.map(&:second))
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if missing_sprites.present?
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Rails.logger.warn(
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"Missing ThemeSvgSprites for theme #{theme_id}, uploads #{missing_sprites.join(", ")}",
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)
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end
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theme_sprites
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.map do |(theme_id, upload_id, sprite)|
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begin
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[theme_id, symbols_for("theme_#{theme_id}_#{upload_id}.svg", sprite, strict: false)]
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rescue => e
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Rails.logger.warn(
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"Bad XML in custom sprite in theme with ID=#{theme_id}. Error info: #{e.inspect}",
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)
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end
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end
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.compact
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.to_h
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.values_at(*theme_ids)
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end
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.values
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.compact
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.reduce({}) { |a, b| a.merge!(b) }
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else
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{}
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end
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end
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def self.custom_svgs(theme_id)
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plugin_svgs.merge(theme_svgs(theme_id))
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end
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def self.all_icons(theme_id = nil)
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get_set_cache("icons_#{Theme.transform_ids(theme_id).join(",")}") do
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Set
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.new()
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.merge(settings_icons)
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.merge(plugin_icons)
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.merge(badge_icons)
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.merge(group_icons)
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.merge(theme_icons(theme_id))
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.merge(custom_icons(theme_id))
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.delete_if { |i| i.blank? || i.include?("/") }
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.map! { |i| process(i.dup) }
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.merge(SVG_ICONS)
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.sort
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end
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end
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def self.version(theme_id = nil)
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get_set_cache("version_#{Theme.transform_ids(theme_id).join(",")}") do
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Digest::SHA1.hexdigest(bundle(theme_id))
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end
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end
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def self.path(theme_id = nil)
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"/svg-sprite/#{Discourse.current_hostname}/svg-#{theme_id}-#{version(theme_id)}.js"
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end
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def self.expire_cache
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cache&.clear
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end
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def self.svgs_for(theme_id)
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svgs = core_svgs
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svgs = svgs.merge(custom_svgs(theme_id)) if theme_id.present?
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svgs
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end
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def self.bundle(theme_id = nil)
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icons = all_icons(theme_id)
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svg_subset =
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"" \
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"<!--
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Discourse SVG subset of Font Awesome Free by @fontawesome - https://fontawesome.com
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License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
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-->
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<svg xmlns='http://www.w3.org/2000/svg' style='display: none;'>
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" \
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"".dup
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svg_subset << core_svgs.slice(*icons).values.join
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svg_subset << custom_svgs(theme_id).values.join
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svg_subset << "</svg>"
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end
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def self.search(searched_icon)
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searched_icon = process(searched_icon.dup)
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svgs_for(SiteSetting.default_theme_id)[searched_icon] || false
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end
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def self.icon_picker_search(keyword, only_available = false)
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icons = all_icons(SiteSetting.default_theme_id) if only_available
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symbols = svgs_for(SiteSetting.default_theme_id)
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symbols.slice!(*icons) if only_available
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symbols.reject! { |icon_id, sym| !icon_id.include?(keyword) } unless keyword.empty?
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symbols.sort_by(&:first).map { |icon_id, symbol| { id: icon_id, symbol: symbol } }
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end
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# For use in no_ember .html.erb layouts
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def self.raw_svg(name)
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get_set_cache("raw_svg_#{name}") do
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symbol = search(name)
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break "" unless symbol
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symbol = Nokogiri.XML(symbol).children.first
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symbol.name = "svg"
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<<~HTML
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<svg class="fa d-icon svg-icon svg-node" aria-hidden="true">#{symbol}</svg>
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HTML
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end.html_safe
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end
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def self.theme_sprite_variable_name
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THEME_SPRITE_VAR_NAME
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end
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def self.prepare_symbol(symbol, svg_filename = nil)
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icon_id = symbol.attr("id")
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case svg_filename
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when "regular"
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icon_id = icon_id.prepend("far-")
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when "brands"
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icon_id = icon_id.prepend("fab-")
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end
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icon_id
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end
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def self.settings_icons
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get_set_cache("settings_icons") do
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# includes svg_icon_subset and any settings containing _icon (incl. plugin settings)
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site_setting_icons = []
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SiteSetting.settings_hash.select do |key, value|
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site_setting_icons |= value.split("|") if key.to_s.include?("_icon") && String === value
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end
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site_setting_icons
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end
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end
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def self.plugin_icons
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DiscoursePluginRegistry.svg_icons
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end
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def self.badge_icons
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get_set_cache("badge_icons") { Badge.pluck(:icon).uniq }
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end
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def self.group_icons
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get_set_cache("group_icons") { Group.pluck(:flair_icon).uniq }
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end
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def self.theme_icons(theme_id)
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return [] if theme_id.blank?
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theme_icon_settings = []
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theme_ids = Theme.transform_ids(theme_id)
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# Need to load full records for default values
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Theme
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.where(id: theme_ids)
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.each do |theme|
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_settings =
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theme.cached_settings.each do |key, value|
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if key.to_s.include?("_icon") && String === value
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theme_icon_settings |= value.split("|")
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end
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end
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end
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theme_icon_settings |= ThemeModifierHelper.new(theme_ids: theme_ids).svg_icons
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theme_icon_settings
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end
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def self.custom_icons(theme_id)
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# Automatically register icons in sprites added via themes or plugins
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custom_svgs(theme_id).keys
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end
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def self.process(icon_name)
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icon_name = icon_name.strip
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FA_ICON_MAP.each { |k, v| icon_name = icon_name.sub(k, v) }
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icon_name
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end
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def self.get_set_cache(key, &block)
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cache.defer_get_set(key, &block)
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end
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def self.cache
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@cache ||= DistributedCache.new("svg_sprite")
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end
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end
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