Retrospring/app/helpers/theme_helper.rb

117 lines
3.1 KiB
Ruby

module ThemeHelper
def render_theme_with_context(context = {})
klass = Class.new do
def initialize(hash = {})
if hash.is_a? ApplicationRecord
x = [
:primary_color, :primary_text,
:danger_color, :danger_text,
:success_color, :success_text,
:warning_color, :warning_text,
:info_color, :info_text,
:default_color, :default_text,
:panel_color, :panel_text,
:link_color, :background_color,
:background_text, :background_muted,
:input_color, :input_text,
:outline_color
]
x.each do |v|
next if hash[v].nil?
self.instance_variable_set "@#{v}", ('#' + ('0000000' + hash[v].to_s(16))[-6, 6])
end
elsif hash.is_a? Hash
hash.each do |k, v|
next unless v.is_a? Integer
self.instance_variable_set "@#{k}", ('#' + ('0000000' + hash[k].to_s(16))[-6, 6])
end
end
end
def render
style = if Rails.env == 'production'
:compressed
else
:compact
end.freeze
css = if $__THEME_CSS_CACHE_V1.nil?
File.read Rails.root.join 'app/views/user/theme.css.scss.erb'
else
$__THEME_CSS_CACHE_V1
end
erb = ERB.new css
sass = Sass::Engine.new erb.result(binding), style: style, cache: false, load_paths: [], syntax: :scss
return sass.render.to_s
end
end
return klass.new(context).render
end
def render_theme
theme_attribute_map = {
'primary_color' => 'primary',
'primary_text' => 'primary-text',
'danger_color' => 'danger',
'danger_text' => 'danger-text',
'warning_color' => 'warning',
'warning_text' => 'warning-text',
'info_color' => 'info',
'info_text' => 'info-text',
'success_color' => 'success',
'success_text' => 'success-text',
'panel_color' => 'card-bg',
'background_color' => 'background',
'background_text' => 'body-text',
'input_color' => 'input-bg',
'input_text' => 'input-text'
}
theme = get_active_theme
if theme
body = ":root {\n"
theme.attributes.each do |k, v|
if theme_attribute_map[k]
if k.include? "text"
hex = get_hex_color_from_theme_value(v)
body += "\t--#{theme_attribute_map[k]}: #{get_decimal_triplet_from_hex(hex)};\n"
else
body += "\t--#{theme_attribute_map[k]}: ##{get_hex_color_from_theme_value(v)};\n"
end
end
end
body += "}"
content_tag(:style, body)
end
end
def get_active_theme
if current_user&.theme
current_user.theme
elsif @user&.theme
if user_signed_in?
@user.theme unless !current_user&.show_foreign_themes?
else
@user.theme
end
end
end
def get_hex_color_from_theme_value(value)
('0000000' + value.to_s(16))[-6, 6]
end
def get_decimal_triplet_from_hex(value)
hexes = value.split(/(.{2})/).reject { |c| c.empty? }
hexes.map(&:hex).join(", ")
end
end