app/helpers/application_helper.rb
# frozen_string_literal: true
module ApplicationHelper
DANGEROUS_SCOPES = %w(
read
write
follow
).freeze
RTL_LOCALES = %i(
ar
ckb
fa
he
).freeze
def friendly_number_to_human(number, **options)
# By default, the number of precision digits used by number_to_human
# is looked up from the locales definition, and rails-i18n comes with
# values that don't seem to make much sense for many languages, so
# override these values with a default of 3 digits of precision.
options = options.merge(
precision: 3,
strip_insignificant_zeros: true,
significant: true
)
number_to_human(number, **options)
end
def active_nav_class(*paths)
paths.any? { |path| current_page?(path) } ? 'active' : ''
end
def active_link_to(label, path, **options)
link_to label, path, options.merge(class: active_nav_class(path))
end
def show_landing_strip?
!user_signed_in? && !single_user_mode?
end
def open_registrations?
Setting.registrations_mode == 'open'
end
def approved_registrations?
Setting.registrations_mode == 'approved'
end
def closed_registrations?
Setting.registrations_mode == 'none'
end
def available_sign_up_path
if closed_registrations? || omniauth_only?
'https://joinmastodon.org/#getting-started'
else
new_user_registration_path
end
end
def omniauth_only?
ENV['OMNIAUTH_ONLY'] == 'true'
end
def link_to_login(name = nil, html_options = nil, &block)
target = new_user_session_path
html_options = name if block_given?
if omniauth_only? && Devise.mappings[:user].omniauthable? && User.omniauth_providers.size == 1
target = omniauth_authorize_path(:user, User.omniauth_providers[0])
html_options ||= {}
html_options[:method] = :post
end
if block_given?
link_to(target, html_options, &block)
else
link_to(name, target, html_options)
end
end
def provider_sign_in_link(provider)
label = Devise.omniauth_configs[provider]&.strategy&.display_name.presence || I18n.t("auth.providers.#{provider}", default: provider.to_s.chomp('_oauth2').capitalize)
link_to label, omniauth_authorize_path(:user, provider), class: "button button-#{provider}", method: :post
end
def open_deletion?
Setting.open_deletion
end
def locale_direction
if RTL_LOCALES.include?(I18n.locale)
'rtl'
else
'ltr'
end
end
def title
Rails.env.production? ? site_title : "#{site_title} (Dev)"
end
def class_for_scope(scope)
'scope-danger' if DANGEROUS_SCOPES.include?(scope.to_s)
end
def can?(action, record)
return false if record.nil?
policy(record).public_send("#{action}?")
end
def fa_icon(icon, attributes = {})
class_names = attributes[:class]&.split(' ') || []
class_names << 'fa'
class_names += icon.split(' ').map { |cl| "fa-#{cl}" }
content_tag(:i, nil, attributes.merge(class: class_names.join(' ')))
end
def visibility_icon(status)
if status.public_visibility?
fa_icon('globe', title: I18n.t('statuses.visibilities.public'))
elsif status.unlisted_visibility?
fa_icon('unlock', title: I18n.t('statuses.visibilities.unlisted'))
elsif status.private_visibility? || status.limited_visibility?
fa_icon('lock', title: I18n.t('statuses.visibilities.private'))
elsif status.direct_visibility?
fa_icon('at', title: I18n.t('statuses.visibilities.direct'))
end
end
def interrelationships_icon(relationships, account_id)
if relationships.following[account_id] && relationships.followed_by[account_id]
fa_icon('exchange', title: I18n.t('relationships.mutual'), class: 'fa-fw active passive')
elsif relationships.following[account_id]
fa_icon(locale_direction == 'ltr' ? 'arrow-right' : 'arrow-left', title: I18n.t('relationships.following'), class: 'fa-fw active')
elsif relationships.followed_by[account_id]
fa_icon(locale_direction == 'ltr' ? 'arrow-left' : 'arrow-right', title: I18n.t('relationships.followers'), class: 'fa-fw passive')
end
end
def custom_emoji_tag(custom_emoji)
if prefers_autoplay?
image_tag(custom_emoji.image.url, class: 'emojione', alt: ":#{custom_emoji.shortcode}:")
else
image_tag(custom_emoji.image.url(:static), class: 'emojione custom-emoji', alt: ":#{custom_emoji.shortcode}", 'data-original' => full_asset_url(custom_emoji.image.url), 'data-static' => full_asset_url(custom_emoji.image.url(:static)))
end
end
def opengraph(property, content)
tag(:meta, content: content, property: property)
end
def react_component(name, props = {}, &block)
if block.nil?
content_tag(:div, nil, data: { component: name.to_s.camelcase, props: Oj.dump(props) })
else
content_tag(:div, data: { component: name.to_s.camelcase, props: Oj.dump(props) }, &block)
end
end
def react_admin_component(name, props = {})
content_tag(:div, nil, data: { 'admin-component': name.to_s.camelcase, props: Oj.dump({ locale: I18n.locale }.merge(props)) })
end
def body_classes
output = (@body_classes || '').split(' ')
output << "theme-#{current_theme.parameterize}"
output << 'system-font' if current_account&.user&.setting_system_font_ui
output << (current_account&.user&.setting_reduce_motion ? 'reduce-motion' : 'no-reduce-motion')
output << 'rtl' if locale_direction == 'rtl'
if user_signed_in?
unless (not current_user.setting_enable_noto_serif) or current_user.setting_system_font_ui
if ['zh-HK', 'zh-TW'].include? I18n.locale.to_s
output << 'noto-serif-tc'
elsif ['ja'].include? I18n.locale.to_s
output << 'noto-serif-jp'
else
output << 'noto-serif-sc'
end
end
icon_pack = current_user.setting_icon_pack
output << "icon-pack-#{icon_pack.empty? ? 'default': icon_pack}"
end
output.reject(&:blank?).join(' ')
end
def google_fonts_base_url
"https://#{ENV['FONTS_GOOGLEAPIS_PROXY_HOST'] || 'fonts.googleapis.com'}"
end
def zh_hans_font_url
"#{google_fonts_base_url}/css2?family=Noto+Serif+SC:wght@200;300;400;500;600;700;900&display=swap"
end
def zh_hant_font_url
"#{google_fonts_base_url}/css2?family=Noto+Serif+TC:wght@200;300;400;500;600;700;900&display=swap"
end
def ja_font_url
"#{google_fonts_base_url}/css2?family=Noto+Serif+JP:wght@200;300;400;500;600;700;900&display=swap"
end
def forest_icon_pack_url
'/plugins/icon-forest/iconfont.css?t=1656835877240'
end
def cdn_host
Rails.configuration.action_controller.asset_host
end
def cdn_host?
cdn_host.present?
end
def storage_host
"https://#{ENV['S3_ALIAS_HOST'].presence || ENV['S3_CLOUDFRONT_HOST']}"
end
def storage_host?
ENV['S3_ALIAS_HOST'].present? || ENV['S3_CLOUDFRONT_HOST'].present?
end
def quote_wrap(text, line_width: 80, break_sequence: "\n")
text = word_wrap(text, line_width: line_width - 2, break_sequence: break_sequence)
text.split("\n").map { |line| "> #{line}" }.join("\n")
end
def render_initial_state
state_params = {
settings: {
known_fediverse: Setting.show_known_fediverse_at_about_page,
},
text: [params[:title], params[:text], params[:url]].compact.join(' '),
}
permit_visibilities = %w(public unlisted private direct)
default_privacy = current_account&.user&.setting_default_privacy
permit_visibilities.shift(permit_visibilities.index(default_privacy) + 1) if default_privacy.present?
state_params[:visibility] = params[:visibility] if permit_visibilities.include? params[:visibility]
if user_signed_in?
state_params[:settings] = state_params[:settings].merge(Web::Setting.find_by(user: current_user)&.data || {})
state_params[:push_subscription] = current_account.user.web_push_subscription(current_session)
state_params[:current_account] = current_account
state_params[:token] = current_session.token
state_params[:admin] = Account.find_local(Setting.site_contact_username.strip.gsub(/\A@/, ''))
end
json = ActiveModelSerializers::SerializableResource.new(InitialStatePresenter.new(state_params), serializer: InitialStateSerializer).to_json
# rubocop:disable Rails/OutputSafety
content_tag(:script, json_escape(json).html_safe, id: 'initial-state', type: 'application/json')
# rubocop:enable Rails/OutputSafety
end
def grouped_scopes(scopes)
scope_parser = ScopeParser.new
scope_transformer = ScopeTransformer.new
scopes.each_with_object({}) do |str, h|
scope = scope_transformer.apply(scope_parser.parse(str))
if h[scope.key]
h[scope.key].merge!(scope)
else
h[scope.key] = scope
end
end.values
end
def prerender_custom_emojis(html, custom_emojis, other_options = {})
EmojiFormatter.new(html, custom_emojis, other_options.merge(animate: prefers_autoplay?)).to_s
end
end