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grecia/app/helpers/application_helper.rb
Juan Salvador Pérez García 6412f95e56 Added comments
Added comment to clarify obscure method
2018-09-17 09:10:31 +02:00

73 lines
2.3 KiB
Ruby

module ApplicationHelper
def home_page?
return false if user_signed_in?
# Using path because fullpath yields false negatives since it contains
# parameters too
request.path == '/'
end
def opendata_page?
request.path == '/opendata'
end
# if current path is /debates current_path_with_query_params(foo: 'bar') returns /debates?foo=bar
# notice: if query_params have a param which also exist in current path, it "overrides" (query_params is merged last)
def current_path_with_query_params(query_parameters)
url_for(request.query_parameters.merge(query_parameters))
end
def markdown(text)
return text if text.blank?
# See https://github.com/vmg/redcarpet for options
render_options = {
filter_html: false,
hard_wrap: true,
link_attributes: { target: "_blank" }
}
renderer = Redcarpet::Render::HTML.new(render_options)
extensions = {
autolink: true,
fenced_code_blocks: true,
lax_spacing: true,
no_intra_emphasis: true,
strikethrough: true,
superscript: true
}
Redcarpet::Markdown.new(renderer, extensions).render(text).html_safe
end
def author_of?(authorable, user)
return false if authorable.blank? || user.blank?
authorable.author_id == user.id
end
def back_link_to(destination = :back, text = t("shared.back"))
link_to destination, class: "back" do
content_tag(:span, nil, class: "icon-angle-left") + text
end
end
def image_path_for(filename)
SiteCustomization::Image.image_path_for(filename) || filename
end
def content_block(name, locale)
SiteCustomization::ContentBlock.block_for(name, locale)
end
def kaminari_path(url)
"#{root_url.chomp("\/")}#{url}"
end
# This method is used to embed the font inside CSS when the asset is precompiled. It is required in order to allow
# wkpdfhtml embeding custom fonts inside the PDF.
def self.asset_data_base64(path)
asset = (Rails.application.assets || ::Sprockets::Railtie.build_environment(Rails.application)).find_asset(path)
throw "Could not find asset '#{path}'" if asset.nil?
base64 = Base64.encode64(asset.to_s).gsub(/\s+/, "")
"data:#{asset.content_type};base64,#{Rack::Utils.escape(base64)}"
end
end