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module ContentHelper
def main_menu
menu_items = MenuItem.order("position ASC").all
render(
:partial => 'content/main_navigation',
:locals => {:menu_items => menu_items}
)
end
def calendar
occurrences = Occurrence.find_in_range(Time.now, (Time.now+6.weeks))
if occurrences.empty?
occurrences = Occurrence.find_next
end
occurrences = occurrences.reject { |o| o.node.nil? || o.node.head.nil? }
render(
:partial => 'content/front_page_calendar',
:locals => {:occurrences => occurrences}
)
end
def open_erfas_today
occurrences = Occurrence
.find_in_range(Time.now.beginning_of_day, Time.now.end_of_day)
.joins(event: :tags)
.where(tags: { name: 'open-day' })
.reject { |o| o.node.nil? || o.node.head.nil? }
.sample(3)
return if occurrences.empty?
render(
:partial => 'content/open_erfas_today',
:locals => { :occurrences => occurrences }
)
end
def weekday_abbr(time)
RruleHumanizer.wday_abbr(time, I18n.locale)
end
def tags
render :partial => 'content/tags'
end
def featured_articles
@featured_articles = FeaturedArticle.all
render :partial => 'content/featured_articles'
end
def headline_image
@headline_asset = @page.headline_asset
render :partial => 'content/headline_image' if @headline_asset || @page.assets.images.any? || @page.assets.pdfs.any?
end
# Returns the published_at attribute of a page if it is not nil, otherwise
# it returns the auto-filled value of the created_at attribute
def date_and_time_for_page page
I18n.l(page.published_at, :format => :ccc) rescue I18n.l(page.created_at, :format => :ccc)
end
def date_for_page page
I18n.l(page.published_at, :format => :ccc_date) rescue I18n.l(page.created_at, :format => :ccc_date)
end
def author_for_page page
page.user ? page.user.login : "Unknown author"
end
def page_title
if @page && @page.title && @page.title != ""
"CCC | #{@page.title}"
else
"CCC | Chaos Computer Club"
end
end
def humanized_asset_name asset
asset.name.to_s.tr("_", " ")
end
# This method is an output filter for templates. It accepts any kind of text
# and checks for an [aggregate short code within it. If such a code is found,
# its # attributes are parsed and converted into parameters for the
# render_collection method. The [aggregate ] short code will then be replaced
# entirely with the output of the render_collection method.
#
# Syntax of the [aggregate ] short code:
#
# [aggregate
# children="all" | children="direct" # optional, at least one of children
# tags="update, pressemitteilung" # or tags is required
# limit="20"
# order_by="published_at"
# order_direction="DESC"
# ]
#
# order_by currently takes id, published_at, created_at, updated_at, title
# and slug
def aggregate? content
options = {}
cccms_attributes = ActionView::Base.sanitized_allowed_attributes +
%w[lang target rel data-gallery]
begin
if content =~ /\[aggregate([^\]]*)\]/
tag = $~.to_s
matched_data = $1.scan(/\w+\="[a-zA-Z\s\/_\d,.=-]*"/)
matched_data.each do |data|
splitted_data = data.split("=", 2)
options[splitted_data[0].to_sym] = splitted_data[1].gsub(/"/, "")
end
options[:partial] = select_partial(options[:partial])
options[:node] = @page.node if options[:children].present?
sanitize(content.sub(tag, render_collection(options)), :attributes => cccms_attributes)
else
sanitize(content, :attributes => cccms_attributes)
end
rescue => e
Rails.logger.error("aggregate shortcode failed on page #{@page&.id}: #{e.class}: #{e.message}")
fallback = content.sub(/\[aggregate[^\]]*\]/, "")
fallback = sanitize(fallback, :attributes => cccms_attributes)
fallback += content_tag(:p, t("content.aggregate_failed"), :class => "error_messages") if current_user
fallback
end
end
# Takes the parameters from the aggregate? method and renders the collection
# from Page.aggregate(options) with a given partial
def render_collection options
@content_collection = Page.aggregate(options, params[:page])
render(
:partial => options[:partial],
:collection => @content_collection,
:as => :page
)
end
private
# Either return a custom partial path if it exsits or default to the standard
# partial
def select_partial partial
if partial.to_s.match?(%r{\A[a-z0-9_]+(/[a-z0-9_]+)?\z}) && partial_exists?( partial )
return "custom/partials/#{partial}"
else
return 'custom/partials/article'
end
end
# Check if a custom partial exists in the proper location
def partial_exists? partial
File.exist?(
Rails.root.join('app', 'views', 'custom', 'partials', "_#{partial}.html.erb")
)
end
def asset_credit(asset)
return nil unless asset
return nil unless asset.has_credit?
license = AssetLicense.find(asset.license_key)
photo_label = t("asset_credits.photo", name: asset.name)
photo = asset.source_url.present? ? link_to(photo_label, asset.source_url) : photo_label
attribution_parts = [photo]
attribution_parts << t("asset_credits.by", creator: asset.creator) if asset.creator.present?
attribution = safe_join(attribution_parts, " ")
license_text = if license
name = t("asset_licenses.#{license.key}", default: license.key)
phrase = license.style == "license" ? t("asset_credits.licensed_under", license: name) : name
license.url.present? ? link_to(phrase, license.url) : phrase
end
full = license_text ? safe_join([attribution, license_text], ", ") : attribution
safe_join([full, "."])
end
def glightbox_data(image, title)
"title: #{title.to_s.tr(';', ',')};"
end
end
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