481 lines
14 KiB
Ruby
481 lines
14 KiB
Ruby
# frozen_string_literal: true
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class ColorScheme < ActiveRecord::Base
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# rubocop:disable Layout/HashAlignment
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CUSTOM_SCHEMES = {
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'Dark': {
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"primary" => 'dddddd',
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"secondary" => '222222',
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"tertiary" => '0f82af',
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"quaternary" => 'c14924',
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"header_background" => '111111',
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"header_primary" => 'dddddd',
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"highlight" => 'a87137',
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"danger" => 'e45735',
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"success" => '1ca551',
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"love" => 'fa6c8d'
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},
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# By @itsbhanusharma
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'Neutral': {
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"primary" => '000000',
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"secondary" => 'ffffff',
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"tertiary" => '51839b',
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"quaternary" => 'b85e48',
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"header_background" => '333333',
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"header_primary" => 'f3f3f3',
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"highlight" => 'ecec70',
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"danger" => 'b85e48',
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"success" => '518751',
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"love" => 'fa6c8d'
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},
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# By @Flower_Child
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'Grey Amber': {
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"primary" => 'd9d9d9',
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"secondary" => '3d4147',
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"tertiary" => 'fdd459',
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"quaternary" => 'fdd459',
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"header_background" => '36393e',
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"header_primary" => 'd9d9d9',
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"highlight" => 'fdd459',
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"danger" => 'e45735',
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"success" => 'fdd459',
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"love" => 'fdd459'
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},
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# By @rafafotes
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'Shades of Blue': {
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"primary" => '203243',
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"secondary" => 'eef4f7',
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"tertiary" => '416376',
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"quaternary" => '5e99b9',
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"header_background" => '86bddb',
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"header_primary" => '203243',
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"highlight" => '86bddb',
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"danger" => 'bf3c3c',
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"success" => '70db82',
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"love" => 'fc94cb'
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},
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# By @mikechristopher
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'Latte': {
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"primary" => 'f2e5d7',
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"secondary" => '262322',
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"tertiary" => 'f7f2ed',
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"quaternary" => 'd7c9aa',
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"header_background" => 'd7c9aa',
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"header_primary" => '262322',
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"highlight" => 'd7c9aa',
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"danger" => 'db9584',
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"success" => '78be78',
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"love" => '8f6201'
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},
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# By @Flower_Child
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'Summer': {
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"primary" => '874342',
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"secondary" => 'fffff4',
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"tertiary" => 'fe9896',
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"quaternary" => 'fcc9d0',
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"header_background" => '96ccbf',
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"header_primary" => 'fff1e7',
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"highlight" => 'f3c07f',
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"danger" => 'cfebdc',
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"success" => 'fcb4b5',
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"love" => 'f3c07f'
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},
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# By @Flower_Child
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'Dark Rose': {
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"primary" => 'ca9cb2',
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"secondary" => '3a2a37',
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"tertiary" => 'fdd459',
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"quaternary" => '7e566a',
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"header_background" => 'a97189',
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"header_primary" => 'd9b2bb',
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"highlight" => '6c3e63',
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"danger" => '6c3e63',
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"success" => 'd9b2bb',
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"love" => 'd9b2bb'
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},
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"WCAG": {
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"primary" => '000000',
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"primary-medium" => '696969',
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"primary-low-mid" => '909090',
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"secondary" => 'ffffff',
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"tertiary" => '3369FF',
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"quaternary" => '3369FF',
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"header_background" => 'ffffff',
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"header_primary" => '000000',
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"highlight" => '3369FF',
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"highlight-high" => '0036E6',
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"highlight-medium" => 'e0e9ff',
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"highlight-low" => 'e0e9ff',
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"danger" => 'BB1122',
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"success" => '3d854d',
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"love" => '9D256B'
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},
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"WCAG Dark": {
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"primary" => 'ffffff',
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"primary-medium" => '999999',
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"primary-low-mid" => '888888',
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"secondary" => '0c0c0c',
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"tertiary" => '759AFF',
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"quaternary" => '759AFF',
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"header_background" => '000000',
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"header_primary" => 'ffffff',
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"highlight" => '3369FF',
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"danger" => 'BB1122',
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"success" => '3d854d',
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"love" => '9D256B'
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},
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# By @zenorocha
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"Dracula": {
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"primary_very_low" => "373A47",
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"primary_low" => "414350",
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"primary_low_mid" => "8C8D94",
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"primary_medium" => "A3A4AA",
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"primary_high" => "CCCCCF",
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"primary" => 'f2f2f2',
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"secondary_low" => "CCCCCF",
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"secondary_medium" => "91939A",
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"secondary_high" => "6A6C76",
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"secondary_very_high" => "3D404C",
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"secondary" => '2d303e',
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"tertiary_low" => "4A4463",
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"tertiary_medium" => "6E5D92",
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"tertiary" => 'bd93f9',
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"tertiary_high" => "9275C1",
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"quaternary_low" => "6AA8BA",
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"quaternary" => '8be9fd',
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"header_background" => '373A47',
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"header_primary" => 'f2f2f2',
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"highlight_low" => "686D55",
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"danger_medium" => "B6484D",
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"highlight" => 'f1fa8c',
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"highlight_high" => "C0C879",
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"danger_low" => "957279",
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"danger" => 'ff5555',
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"success_low" => "386D50",
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"success_medium" => "44B366",
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"success" => '50fa7b',
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"love_low" => "6C4667",
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"love" => 'ff79c6'
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},
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# By @altercation
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"Solarized Light": {
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"primary_very_low" => "F0ECD7",
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"primary_low" => "D6D8C7",
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"primary_low_mid" => "A4AFA5",
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"primary_medium" => "7E918C",
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"primary_high" => "4C6869",
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"primary" => '002B36',
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"secondary_low" => "325458",
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"secondary_medium" => "6C8280",
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"secondary_high" => "97A59D",
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"secondary_very_high" => "E8E6D3",
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"secondary" => 'FCF6E1',
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"tertiary_low" => "D6E6DE",
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"tertiary_medium" => "7EBFD7",
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"tertiary" => '0088cc',
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"tertiary_high" => "329ED0",
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"quaternary" => 'e45735',
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"header_background" => 'FCF6E1',
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"header_primary" => '002B36',
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"highlight_low" => "FDF9AD",
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"highlight_medium" => "E3D0A3",
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"highlight" => 'ffff4d',
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"highlight_high" => "BCAA7F",
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"danger_low" => "F8D9C2",
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"danger" => 'e45735',
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"success_low" => "CFE5B9",
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"success_medium" => "4CB544",
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"success" => '009900',
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"love_low" => "FCDDD2",
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"love" => 'fa6c8d'
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},
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# By @altercation
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"Solarized Dark": {
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"primary_very_low" => "0D353F",
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"primary_low" => "193F47",
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"primary_low_mid" => "798C88",
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"primary_medium" => "97A59D",
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"primary_high" => "B5BDB1",
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"primary" => 'FCF6E1',
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"secondary_low" => "B5BDB1",
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"secondary_medium" => "81938D",
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"secondary_high" => "4E6A6B",
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"secondary_very_high" => "143B44",
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"secondary" => '002B36',
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"tertiary_low" => "003E54",
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"tertiary_medium" => "00557A",
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"tertiary" => '0088cc',
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"tertiary_high" => "006C9F",
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"quaternary_low" => "944835",
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"quaternary" => 'e45735',
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"header_background" => '002B36',
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"header_primary" => 'FCF6E1',
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"highlight_low" => "4D6B3D",
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"highlight_medium" => "464C33",
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"highlight" => 'ffff4d',
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"highlight_high" => "BFCA47",
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"danger_low" => "443836",
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"danger_medium" => "944835",
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"danger" => 'e45735',
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"success_low" => "004C26",
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"success_medium" => "007313",
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"success" => '009900',
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"love_low" => "4B3F50",
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"love" => 'fa6c8d',
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}
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}
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# rubocop:enable Layout/HashAlignment
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LIGHT_THEME_ID = 'Light'
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def self.base_color_scheme_colors
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base_with_hash = []
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base_colors.each do |name, color|
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base_with_hash << { name: name, hex: "#{color}" }
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end
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list = [
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{ id: LIGHT_THEME_ID, colors: base_with_hash }
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]
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CUSTOM_SCHEMES.each do |k, v|
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colors = []
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v.each do |name, color|
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colors << { name: name, hex: "#{color}" }
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end
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list.push(id: k.to_s, colors: colors)
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end
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list
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end
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def self.hex_cache
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@hex_cache ||= DistributedCache.new("scheme_hex_for_name")
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end
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attr_accessor :is_base
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attr_accessor :skip_publish
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has_many :color_scheme_colors, -> { order('id ASC') }, dependent: :destroy
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alias_method :colors, :color_scheme_colors
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before_save :bump_version
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after_save_commit :publish_discourse_stylesheet, unless: :skip_publish
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after_save_commit :dump_caches
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after_destroy :dump_caches
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belongs_to :theme
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validates_associated :color_scheme_colors
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BASE_COLORS_FILE = "#{Rails.root}/app/assets/stylesheets/common/foundation/colors.scss"
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COLOR_TRANSFORMATION_FILE = "#{Rails.root}/app/assets/stylesheets/common/foundation/color_transformations.scss"
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@mutex = Mutex.new
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def self.base_colors
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return @base_colors if @base_colors
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@mutex.synchronize do
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return @base_colors if @base_colors
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base_colors = {}
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File.readlines(BASE_COLORS_FILE).each do |line|
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matches = /\$([\w]+):\s*#([0-9a-fA-F]{3}|[0-9a-fA-F]{6})(?:[;]|\s)/.match(line.strip)
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base_colors[matches[1]] = matches[2] if matches
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end
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@base_colors = base_colors
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end
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@base_colors
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end
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def self.color_transformation_variables
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return @transformation_variables if @transformation_variables
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@mutex.synchronize do
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return @transformation_variables if @transformation_variables
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transformation_variables = []
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File.readlines(COLOR_TRANSFORMATION_FILE).each do |line|
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matches = /\$([\w\-_]+):.*/.match(line.strip)
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transformation_variables.append(matches[1]) if matches
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end
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@transformation_variables = transformation_variables
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end
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@transformation_variables
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end
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def self.base_color_schemes
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base_color_scheme_colors.map do |hash|
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scheme = new(name: I18n.t("color_schemes.#{hash[:id].downcase.gsub(' ', '_')}"), base_scheme_id: hash[:id])
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scheme.colors = hash[:colors].map { |k| { name: k[:name], hex: k[:hex] } }
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scheme.is_base = true
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scheme
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end
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end
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def self.base
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return @base_color_scheme if @base_color_scheme
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@base_color_scheme = new(name: I18n.t('color_schemes.base_theme_name'))
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@base_color_scheme.colors = base_colors.map { |name, hex| { name: name, hex: hex } }
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@base_color_scheme.is_base = true
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@base_color_scheme
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end
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def self.is_base?(scheme_name)
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base_color_scheme_colors.map { |c| c[:id] }.include?(scheme_name)
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end
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# create_from_base will create a new ColorScheme that overrides Discourse's base color scheme with the given colors.
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def self.create_from_base(params)
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new_color_scheme = new(name: params[:name])
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new_color_scheme.via_wizard = true if params[:via_wizard]
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new_color_scheme.base_scheme_id = params[:base_scheme_id]
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new_color_scheme.user_selectable = true
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colors = CUSTOM_SCHEMES[params[:base_scheme_id].to_sym]&.map do |name, hex|
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{ name: name, hex: hex }
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end if params[:base_scheme_id]
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colors ||= base.colors_hashes
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# Override base values
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params[:colors].each do |name, hex|
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c = colors.find { |x| x[:name].to_s == name.to_s }
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c[:hex] = hex
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end if params[:colors]
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new_color_scheme.colors = colors
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new_color_scheme.skip_publish if params[:skip_publish]
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new_color_scheme.save
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new_color_scheme
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end
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def self.lookup_hex_for_name(name, scheme_id = nil)
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enabled_color_scheme = find_by(id: scheme_id) if scheme_id
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enabled_color_scheme ||= Theme.where(id: SiteSetting.default_theme_id).first&.color_scheme
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(enabled_color_scheme || base).colors.find { |c| c.name == name }.try(:hex) || "nil"
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end
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def self.hex_for_name(name, scheme_id = nil)
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cache_key = scheme_id ? name + "_#{scheme_id}" : name
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hex_cache[cache_key] ||= lookup_hex_for_name(name, scheme_id)
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hex_cache[cache_key] == "nil" ? nil : hex_cache[cache_key]
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end
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def colors=(arr)
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@colors_by_name = nil
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arr.each do |c|
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self.color_scheme_colors << ColorSchemeColor.new(name: c[:name], hex: c[:hex])
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end
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end
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def colors_by_name
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@colors_by_name ||= self.colors.inject({}) { |sum, c| sum[c.name] = c; sum; }
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end
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def clear_colors_cache
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@colors_by_name = nil
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end
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def colors_hashes
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color_scheme_colors.map do |c|
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{ name: c.name, hex: c.hex }
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end
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end
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def base_colors
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colors = nil
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if base_scheme_id && base_scheme_id != "Light"
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colors = CUSTOM_SCHEMES[base_scheme_id.to_sym]
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end
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colors || ColorScheme.base_colors
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end
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def resolved_colors
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resolved = ColorScheme.base_colors.dup
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if base_scheme_id && base_scheme_id != "Light"
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if scheme = CUSTOM_SCHEMES[base_scheme_id.to_sym]
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scheme.each do |name, value|
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resolved[name] = value
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end
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end
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end
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colors.each do |c|
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resolved[c.name] = c.hex
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end
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resolved
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end
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def publish_discourse_stylesheet
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if self.id
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self.class.publish_discourse_stylesheets!(self.id)
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end
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end
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def self.publish_discourse_stylesheets!(id = nil)
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Stylesheet::Manager.clear_color_scheme_cache!
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theme_ids = []
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if id
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theme_ids = Theme.where(color_scheme_id: id).pluck(:id)
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else
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theme_ids = Theme.all.pluck(:id)
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end
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if theme_ids.present?
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Stylesheet::Manager.cache.clear
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Theme.notify_theme_change(
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theme_ids,
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with_scheme: true,
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clear_manager_cache: false,
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all_themes: true
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)
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end
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end
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def dump_caches
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self.class.hex_cache.clear
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ApplicationSerializer.expire_cache_fragment!("user_color_schemes")
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end
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def bump_version
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if self.id
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self.version += 1
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end
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end
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def is_dark?
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return if colors.to_a.empty?
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primary_b = brightness(colors_by_name["primary"].hex)
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secondary_b = brightness(colors_by_name["secondary"].hex)
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primary_b > secondary_b
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end
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def is_wcag?
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base_scheme_id&.start_with?('WCAG')
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end
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# Equivalent to dc-color-brightness() in variables.scss
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def brightness(color)
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rgb = color.scan(/../).map { |c| c.to_i(16) }
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(rgb[0].to_i * 299 + rgb[1].to_i * 587 + rgb[2].to_i * 114) / 1000.0
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end
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end
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# == Schema Information
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#
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# Table name: color_schemes
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#
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# id :integer not null, primary key
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# name :string not null
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# version :integer default(1), not null
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# created_at :datetime not null
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# updated_at :datetime not null
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# via_wizard :boolean default(FALSE), not null
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# base_scheme_id :string
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# theme_id :integer
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# user_selectable :boolean default(FALSE), not null
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#
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