diaspora/lib/stream/multi.rb
2011-10-24 14:41:15 -07:00

115 lines
3 KiB
Ruby

class Stream::Multi < Stream::Base
# @return [String] URL
def link(opts)
Rails.application.routes.url_helpers.multi_path(opts)
end
# @return [String]
def title
I18n.t('streams.multi.title')
end
# @return [String]
def contacts_title
I18n.t('streams.multi.contacts_title')
end
def posts
@posts ||= lambda do
post_ids = aspects_post_ids + followed_tags_post_ids + mentioned_post_ids
post_ids += community_spotlight_post_ids if include_community_spotlight?
Post.where(:id => post_ids).for_a_stream(max_time, order)
end.call
end
# @return [Boolean]
def ajax_stream?
false
end
#emits an enum of the groups which the post appeared
# :spotlight, :aspects, :tags, :mentioned
def post_from_group(post)
streams_included.collect do |source|
is_in?(source, post)
end.compact
end
private
def publisher_opts
if welcome?
{:open => true, :prefill => publisher_prefill, :public => true}
else
super
end
end
# Generates the prefill for the publisher
#
# @return [String]
def publisher_prefill
prefill = I18n.t("shared.publisher.new_user_prefill.hello", :new_user_tag => "newhere")
if self.user.followed_tags.size > 0
tag_string = self.user.followed_tags.map{|t| "##{t.name}"}.to_sentence
prefill << I18n.t("shared.publisher.new_user_prefill.i_like", :tags => tag_string)
end
prefill
end
# @return [Boolean]
def welcome?
self.user.getting_started
end
# @return [Array<Symbol>]
def streams_included
@streams_included ||= lambda do
array = [:mentioned, :aspects, :followed_tags]
array << :community_spotlight if include_community_spotlight?
array
end.call
end
# @return [Symbol]
def is_in?(sym, post)
if self.send("#{sym.to_s}_post_ids").find{|x| (x == post.id) || (x.to_s == post.id.to_s)}
"#{sym.to_s}_stream".to_sym
end
end
# @return [Boolean]
def include_community_spotlight?
AppConfig[:community_spotlight].present? && user.show_community_spotlight_in_stream?
end
def aspects_post_ids
@aspects_post_ids ||= user.visible_shareable_ids(Post, :limit => 15, :order => "#{order} DESC", :max_time => max_time, :all_aspects? => true, :by_members_of => aspect_ids)
end
def followed_tags_post_ids
@followed_tags_ids ||= ids(StatusMessage.tag_stream(user, tag_array, max_time, order))
end
def mentioned_post_ids
@mentioned_post_ids ||= ids(StatusMessage.where_person_is_mentioned(user.person).for_a_stream(max_time, order))
end
def community_spotlight_post_ids
@community_spotlight_post_ids ||= ids(Post.all_public.where(:author_id => community_spotlight_person_ids).for_a_stream(max_time, order))
end
#worthless helpers
def community_spotlight_person_ids
@community_spotlight_person_ids ||= Person.community_spotlight.select('id').map{|x| x.id}
end
def tag_array
user.followed_tags.select('name').map{|x| x.name}
end
def ids(enumerable)
Post.connection.select_values(enumerable.select('posts.id').to_sql)
end
end