discourse/lib/user_lookup.rb

78 lines
1.6 KiB
Ruby

# frozen_string_literal: true
class UserLookup
def initialize(user_ids = [])
@user_ids = user_ids.tap(&:compact!).tap(&:uniq!).tap(&:flatten!)
end
# Lookup a user by id
def [](user_id)
users[user_id]
end
def primary_groups
@primary_groups ||= begin
hash = {}
users.values.each do |u|
if u.primary_group_id
hash[u.id] = groups[u.primary_group_id]
end
end
hash
end
end
def flair_groups
@flair_groups ||= begin
hash = {}
users.values.each do |u|
if u.flair_group_id
hash[u.id] = groups[u.flair_group_id]
end
end
hash
end
end
private
def self.lookup_columns
@user_lookup_columns ||= %i{id username name uploaded_avatar_id primary_group_id flair_group_id admin moderator trust_level}
end
def self.group_lookup_columns
@group_lookup_columns ||= %i{id name flair_icon flair_upload_id flair_bg_color flair_color}
end
def users
@users ||= user_lookup_hash
end
def user_lookup_hash
hash = {}
User.where(id: @user_ids)
.select(self.class.lookup_columns)
.each { |user| hash[user.id] = user }
hash
end
def groups
@group_lookup = begin
group_ids = users.values.map { |u| [u.primary_group_id, u.flair_group_id] }
group_ids.flatten!
group_ids.uniq!
group_ids.compact!
hash = {}
Group.includes(:flair_upload)
.where(id: group_ids)
.select(self.class.group_lookup_columns)
.each { |g| hash[g.id] = g }
hash
end
end
end