Retrospring/app/helpers/theme_helper.rb

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2015-07-29 09:54:33 -07:00
module ThemeHelper
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',
'dark_color' => 'dark',
'dark_text' => 'dark-text',
'light_color' => 'light',
'light_text' => 'light-text',
'raised_background' => 'raised-bg',
'raised_accent' => 'raised-accent',
'background_color' => 'background',
'body_text' => 'body-text',
'input_color' => 'input-bg',
'input_text' => 'input-text',
'muted_text' => 'muted-text'
}.freeze
def render_theme
theme = get_active_theme
return unless theme
body = ":root {\n"
theme.attributes.each do |k, v|
next unless ATTRIBUTE_MAP.key?(k)
if k.include? "text"
hex = get_hex_color_from_theme_value(v)
body += "\t--#{ATTRIBUTE_MAP[k]}: #{get_decimal_triplet_from_hex(hex)};\n"
else
body += "\t--#{ATTRIBUTE_MAP[k]}: ##{get_hex_color_from_theme_value(v)};\n"
end
end
body += "}"
content_tag(:style, body, data: { "turbolinks-track": false })
end
def get_active_theme
if @user&.theme
if user_signed_in?
if current_user&.show_foreign_themes?
@user.theme
else
current_user&.theme
end
else
@user.theme
end
elsif current_user&.theme
current_user.theme
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
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end