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module Refinery
module Blog
module PostsHelper
def next_or_previous?(post)
post.next.present? or post.prev.present?
end
def blog_post_teaser_enabled?
Refinery::Blog::Post.teasers_enabled?
end
def blog_post_teaser(post)
if post.respond_to?(:custom_teaser) && post.custom_teaser.present?
post.custom_teaser.html_safe
else
truncate(post.body, {
:length => Refinery::Blog.post_teaser_length,
:preserve_html_tags => true
}).html_safe
end
end
def blog_archive_widget(dates=blog_archive_dates)
ArchiveWidget.new(dates, self).display
end
def blog_archive_dates(cutoff=Time.now.beginning_of_month)
Refinery::Blog::Post.published_dates_older_than(cutoff)
end
def avatar_url(email, options = {:size => 60})
require 'digest/md5'
"http://gravatar.com/avatar/#{Digest::MD5.hexdigest(email.to_s.strip.downcase)}?s=#{options[:size]}.jpg"
end
class ArchiveWidget
delegate :t, :link_to, :refinery, :render, :to => :view_context
attr_reader :view_context
def initialize(dates, view_context, cutoff=3.years.ago.end_of_year)
@recent_dates, @old_dates = dates.sort_by {|date| -date.to_i }.
partition {|date| date > cutoff }
@view_context = view_context
end
def recent_links
@recent_dates.group_by {|date| [date.year, date.month] }.
map {|(year, month), dates| recent_link(year, month, dates.count) }
end
def recent_link(year, month, count)
link_to "#{t("date.month_names")[month]} #{year} (#{count})",
refinery.blog_archive_posts_path(:year => year, :month => month)
end
def old_links
@old_dates.group_by {|date| date.year }.
map {|year, dates| old_link(year, dates.size) }
end
def old_link(year, count)
link_to "#{year} (#{count})", refinery.blog_archive_posts_path(:year => year)
end
def links
recent_links + old_links
end
def display
return "" if links.empty?
render "refinery/blog/widgets/blog_archive", :links => links
end
end
end
end
end
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