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a7fb9e1897
This commit allows editing colors of palettes that are installed with themes. Prior to this commit, editing colors of theme-owned palettes wasn't allowed because a theme update could override the edits made by admins and there was no way to revert edits to the original values. With this commit, all of that is solved by copying the palette when it's first edited by an admin, and making future updates to the theme update the original copy only with the ability for admins to revert to the colors in the original copy at any time. Internal topic: t/162130.
643 lines
18 KiB
Ruby
643 lines
18 KiB
Ruby
# frozen_string_literal: true
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class ColorScheme < ActiveRecord::Base
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NAMES_TO_ID_MAP = {
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"Light" => -1,
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"Dark" => -2,
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"Neutral" => -3,
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"Grey Amber" => -4,
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"Shades of Blue" => -5,
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"Latte" => -6,
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"Summer" => -7,
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"Dark Rose" => -8,
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"WCAG" => -9,
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"WCAG Dark" => -10,
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"Dracula" => -11,
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"Solarized Light" => -12,
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"Solarized Dark" => -13,
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}
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BUILT_IN_SCHEMES = {
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Dark: {
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"primary" => "dddddd",
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"secondary" => "222222",
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"tertiary" => "099dd7",
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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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"selected" => "052e3d",
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"hover" => "313131",
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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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"selected" => "e6e6e6",
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"hover" => "f0f0f0",
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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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"selected" => "272727",
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"hover" => "2F2F30",
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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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"selected" => "bee0f2",
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"hover" => "d2efff",
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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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"selected" => "3e2a14",
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"hover" => "4c3319",
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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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"selected" => "f5eaea",
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"hover" => "f9f3f3",
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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" => "bd36a3",
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"selected" => "2a1620",
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"hover" => "331b27",
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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" => "0033CC",
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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" => "ffff00",
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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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"selected" => "E2E9FE",
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"hover" => "F0F4FE",
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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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"selected" => "0d2569",
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"hover" => "002382",
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"danger" => "FF697A",
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"success" => "70B880",
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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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"primary-50" => "3F414E",
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"primary-100" => "535460",
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"primary-200" => "666972",
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"primary-300" => "7A7C84",
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"primary-400" => "8D8F96",
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"primary-500" => "A2A3A9",
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"primary-600" => "B6B7BC",
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"primary-700" => "C7C7C7",
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"primary-800" => "DEDFE0",
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"primary-900" => "F5F5F5",
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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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"highlight_medium" => "52592B",
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"highlight_high" => "C0C879",
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"selected" => "4A4463",
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"hover" => "61597f",
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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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"primary-50" => "F0EBDA",
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"primary-100" => "DAD8CA",
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"primary-200" => "B2B9B3",
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"primary-300" => "839496",
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"primary-400" => "76898C",
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"primary-500" => "697F83",
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"primary-600" => "627A7E",
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"primary-700" => "556F74",
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"primary-800" => "415F66",
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"primary-900" => "21454E",
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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" => "F2F481",
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"highlight_high" => "BCAA7F",
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"selected" => "E8E6D3",
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"hover" => "F0EBDA",
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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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"primary-50" => "21454E",
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"primary-100" => "415F66",
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"primary-200" => "556F74",
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"primary-300" => "627A7E",
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"primary-400" => "697F83",
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"primary-500" => "76898C",
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"primary-600" => "839496",
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"primary-700" => "B2B9B3",
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"primary-800" => "DAD8CA",
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"primary-900" => "F0EBDA",
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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" => "1a97d5",
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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" => "F2F481",
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"highlight_high" => "BFCA47",
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"selected" => "143B44",
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"hover" => "21454E",
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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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LIGHT_PALETTE_NAME = "Light"
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COLORS_ORDER = %w[
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primary
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secondary
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tertiary
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quaternary
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header_background
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header_primary
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selected
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hover
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highlight
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danger
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success
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love
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].freeze
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def self.base_color_scheme_colors
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base_with_hash = []
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base_colors.each { |name, color| base_with_hash << { name: name, hex: "#{color}" } }
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list = [
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{ id: NAMES_TO_ID_MAP[LIGHT_PALETTE_NAME], name: LIGHT_PALETTE_NAME, colors: base_with_hash },
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]
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BUILT_IN_SCHEMES.each do |k, v|
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colors = []
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v.each { |name, color| colors << { name: name, hex: "#{color}" } }
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list.push(id: NAMES_TO_ID_MAP[k.to_s], name: 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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default_scope { where(remote_copy: false) }
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attr_accessor :is_base
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attr_accessor :skip_publish
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attr_accessor :is_builtin_default
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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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after_destroy :destroy_remote_original
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belongs_to :theme
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belongs_to :base_scheme, -> { unscope(where: :remote_copy) }, class_name: "ColorScheme"
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validate :no_edits_for_remote_copies, on: :update
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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 =
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"#{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
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.readlines(BASE_COLORS_FILE)
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.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
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.readlines(COLOR_TRANSFORMATION_FILE)
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.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 =
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new(
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id: hash[:id],
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name: I18n.t("color_schemes.#{hash[:name].downcase.gsub(" ", "_")}"),
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base_scheme_id: hash[:id],
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)
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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.is_builtin_default = hash[:id] == NAMES_TO_ID_MAP[LIGHT_PALETTE_NAME]
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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 =
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new(
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id: NAMES_TO_ID_MAP[LIGHT_PALETTE_NAME],
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name: I18n.t("admin_js.admin.customize.theme.default_light_scheme"),
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)
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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.is_builtin_default = 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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scheme_name = NAMES_TO_ID_MAP.invert[params[:base_scheme_id]]
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colors =
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BUILT_IN_SCHEMES[scheme_name.to_sym]&.map { |name, hex| { name: name, hex: hex } } if params[
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:base_scheme_id
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]
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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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color_record = (enabled_color_scheme || base).colors.find { |c| c.name == name }
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return if !color_record
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color_record.hex
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end
|
|
|
|
def self.hex_for_name(name, scheme_id = nil)
|
|
cache_key = scheme_id ? "#{name}_#{scheme_id}" : name
|
|
hex_cache.defer_get_set(cache_key) { lookup_hex_for_name(name, scheme_id) }
|
|
end
|
|
|
|
def colors=(arr)
|
|
@colors_by_name = nil
|
|
arr.each { |c| self.color_scheme_colors << ColorSchemeColor.new(name: c[:name], hex: c[:hex]) }
|
|
end
|
|
|
|
def colors_by_name
|
|
@colors_by_name ||=
|
|
self
|
|
.colors
|
|
.inject({}) do |sum, c|
|
|
sum[c.name] = c
|
|
sum
|
|
end
|
|
end
|
|
|
|
def clear_colors_cache
|
|
@colors_by_name = nil
|
|
end
|
|
|
|
def colors_hashes
|
|
color_scheme_colors.map { |c| { name: c.name, hex: c.hex } }
|
|
end
|
|
|
|
def base_colors
|
|
colors = nil
|
|
colors = BUILT_IN_SCHEMES[NAMES_TO_ID_MAP.invert[base_scheme_id].to_sym] if base_scheme_id &&
|
|
base_scheme_id < 0 && base_scheme_id != NAMES_TO_ID_MAP[LIGHT_PALETTE_NAME]
|
|
colors ||=
|
|
base_scheme
|
|
&.colors
|
|
&.reduce({}) do |acc, color|
|
|
acc[color.name] = color.hex
|
|
acc
|
|
end if base_scheme_id
|
|
colors || (base_scheme_id ? {} : ColorScheme.base_colors)
|
|
end
|
|
|
|
def resolved_colors
|
|
from_base = ColorScheme.base_colors
|
|
from_custom_scheme = base_colors
|
|
from_db = colors.map { |c| [c.name, c.hex] }.to_h
|
|
|
|
resolved = from_base.merge(from_custom_scheme).except("hover", "selected").merge(from_db)
|
|
|
|
# Equivalent to primary-100 in light mode, or primary-low in dark mode
|
|
resolved["hover"] ||= ColorMath.dark_light_diff(
|
|
resolved["primary"],
|
|
resolved["secondary"],
|
|
0.94,
|
|
-0.78,
|
|
)
|
|
|
|
# Equivalent to primary-low in light mode, or primary-100 in dark mode
|
|
resolved["selected"] ||= ColorMath.dark_light_diff(
|
|
resolved["primary"],
|
|
resolved["secondary"],
|
|
0.9,
|
|
-0.8,
|
|
)
|
|
|
|
resolved
|
|
end
|
|
|
|
def publish_discourse_stylesheet
|
|
self.class.publish_discourse_stylesheets!(self.id) if self.id
|
|
end
|
|
|
|
def self.publish_discourse_stylesheets!(id = nil)
|
|
Stylesheet::Manager.clear_color_scheme_cache!
|
|
|
|
theme_ids = []
|
|
if id
|
|
theme_ids = Theme.where(color_scheme_id: id).pluck(:id)
|
|
else
|
|
theme_ids = Theme.all.pluck(:id)
|
|
end
|
|
if theme_ids.present?
|
|
Stylesheet::Manager.cache.clear
|
|
|
|
Theme.notify_theme_change(
|
|
theme_ids,
|
|
with_scheme: true,
|
|
clear_manager_cache: false,
|
|
all_themes: true,
|
|
)
|
|
end
|
|
end
|
|
|
|
def self.sort_colors(hash)
|
|
sorted = hash.slice(*COLORS_ORDER)
|
|
sorted.merge!(hash.except(*COLORS_ORDER)) if sorted.size < hash.size
|
|
sorted
|
|
end
|
|
|
|
def dump_caches
|
|
self.class.hex_cache.clear
|
|
ApplicationSerializer.expire_cache_fragment!("user_color_schemes")
|
|
end
|
|
|
|
def bump_version
|
|
self.version += 1 if self.id
|
|
end
|
|
|
|
def is_dark?
|
|
return if colors.to_a.empty?
|
|
|
|
primary_b = ColorMath.brightness(resolved_colors["primary"])
|
|
secondary_b = ColorMath.brightness(resolved_colors["secondary"])
|
|
|
|
primary_b > secondary_b
|
|
end
|
|
|
|
def is_wcag?
|
|
base_scheme_id == NAMES_TO_ID_MAP["WCAG"] || base_scheme_id == NAMES_TO_ID_MAP["WCAG Dark"]
|
|
end
|
|
|
|
def diverge_from_remote
|
|
new_scheme = dup
|
|
new_scheme.colors = self.colors_hashes
|
|
new_scheme.via_wizard = false
|
|
new_scheme.user_selectable = false
|
|
new_scheme.base_scheme_id = nil
|
|
new_scheme.skip_publish = true
|
|
new_scheme.remote_copy = true
|
|
|
|
DistributedMutex.synchronize("color_scheme_diverge_from_remote_#{self.id}") do
|
|
self.reload
|
|
if self.base_scheme.blank?
|
|
self.transaction do
|
|
new_scheme.save!
|
|
self.base_scheme_id = new_scheme.id
|
|
self.save!
|
|
end
|
|
end
|
|
end
|
|
|
|
self
|
|
end
|
|
|
|
private
|
|
|
|
def destroy_remote_original
|
|
return if theme_id.blank?
|
|
return if base_scheme_id.blank? || base_scheme_id < 0
|
|
|
|
ColorScheme
|
|
.unscoped
|
|
.where(theme_id: theme_id, id: base_scheme_id, remote_copy: true)
|
|
.destroy_all
|
|
end
|
|
|
|
def no_edits_for_remote_copies
|
|
if (will_save_change_to_remote_copy? && remote_copy_was) ||
|
|
(
|
|
remote_copy &&
|
|
(
|
|
will_save_change_to_base_scheme_id? || will_save_change_to_user_selectable? ||
|
|
will_save_change_to_theme_id?
|
|
)
|
|
)
|
|
errors.add(:base, I18n.t("color_schemes.errors.cannot_edit_remote_copies"))
|
|
end
|
|
end
|
|
end
|
|
|
|
# == Schema Information
|
|
#
|
|
# Table name: color_schemes
|
|
#
|
|
# id :integer not null, primary key
|
|
# name :string not null
|
|
# remote_copy :boolean default(FALSE), not null
|
|
# user_selectable :boolean default(FALSE), not null
|
|
# version :integer default(1), not null
|
|
# via_wizard :boolean default(FALSE), not null
|
|
# created_at :datetime not null
|
|
# updated_at :datetime not null
|
|
# base_scheme_id :integer
|
|
# theme_id :integer
|
|
#
|
