discourse/app/models/topic_list.rb

95 lines
2.5 KiB
Ruby

require_dependency 'avatar_lookup'
class TopicList
include ActiveModel::Serialization
cattr_accessor :preloaded_custom_fields
self.preloaded_custom_fields = []
attr_accessor :more_topics_url,
:prev_topics_url,
:draft,
:draft_key,
:draft_sequence,
:filter,
:for_period,
:per_page
def initialize(filter, current_user, topics, opts=nil)
@filter = filter
@current_user = current_user
@topics_input = topics
@opts = opts || {}
end
def preload_key
if @opts[:category]
c = Category.where(id: @opts[:category_id]).first
return "topic_list_#{c.url.sub(/^\//, '')}/l/#{@filter}" if c
end
"topic_list_#{@filter}"
end
# Lazy initialization
def topics
@topics ||= load_topics
end
def load_topics
@topics = @topics_input
# Attach some data for serialization to each topic
@topic_lookup = TopicUser.lookup_for(@current_user, @topics) if @current_user
post_action_type =
if @current_user
if @opts[:filter].present?
if @opts[:filter] == "bookmarked"
PostActionType.types[:bookmark]
elsif @opts[:filter] == "liked"
PostActionType.types[:like]
end
end
end
# Include bookmarks if you have bookmarked topics
if @current_user && !post_action_type
post_action_type = PostActionType.types[:bookmark] if @topic_lookup.any?{|_,tu| tu && tu.bookmarked}
end
# Data for bookmarks or likes
post_action_lookup = PostAction.lookup_for(@current_user, @topics, post_action_type) if post_action_type
# Create a lookup for all the user ids we need
user_ids = []
@topics.each do |ft|
user_ids << ft.user_id << ft.last_post_user_id << ft.featured_user_ids << ft.allowed_user_ids
end
avatar_lookup = AvatarLookup.new(user_ids)
@topics.each do |ft|
ft.user_data = @topic_lookup[ft.id] if @topic_lookup.present?
if ft.user_data && post_action_lookup && actions = post_action_lookup[ft.id]
ft.user_data.post_action_data = {post_action_type => actions}
end
ft.posters = ft.posters_summary(avatar_lookup: avatar_lookup)
ft.participants = ft.participants_summary(avatar_lookup: avatar_lookup, user: @current_user)
ft.topic_list = self
end
if TopicList.preloaded_custom_fields.present?
Topic.preload_custom_fields(@topics, TopicList.preloaded_custom_fields)
end
@topics
end
def attributes
{'more_topics_url' => page}
end
end