110 lines
3.1 KiB
Ruby
110 lines
3.1 KiB
Ruby
# Searches for a user by username or full text or name (if enabled in SiteSettings)
|
|
require_dependency 'search'
|
|
|
|
class UserSearch
|
|
|
|
def initialize(term, opts={})
|
|
@term = term
|
|
@term_like = "#{term.downcase.gsub("_", "\\_")}%"
|
|
@topic_id = opts[:topic_id]
|
|
@topic_allowed_users = opts[:topic_allowed_users]
|
|
@searching_user = opts[:searching_user]
|
|
@limit = opts[:limit] || 20
|
|
@group = opts[:group]
|
|
@guardian = Guardian.new(@searching_user)
|
|
@guardian.ensure_can_see_group!(@group) if @group
|
|
end
|
|
|
|
def scoped_users
|
|
users = User.where(active: true, staged: false)
|
|
|
|
if @group
|
|
users = users.where('users.id IN (
|
|
SELECT user_id FROM group_users WHERE group_id = ?
|
|
)', @group.id)
|
|
end
|
|
|
|
unless @searching_user && @searching_user.staff?
|
|
users = users.not_suspended
|
|
end
|
|
|
|
# Only show users who have access to private topic
|
|
if @topic_id && @topic_allowed_users == "true"
|
|
topic = Topic.find_by(id: @topic_id)
|
|
|
|
if topic.category && topic.category.read_restricted
|
|
users = users.includes(:secure_categories)
|
|
.where("users.admin = TRUE OR categories.id = ?", topic.category.id)
|
|
.references(:categories)
|
|
end
|
|
end
|
|
|
|
users.limit(@limit)
|
|
end
|
|
|
|
def filtered_by_term_users
|
|
users = scoped_users
|
|
|
|
if @term.present?
|
|
if SiteSetting.enable_names? && @term !~ /[_\.-]/
|
|
query = Search.ts_query(@term, "simple")
|
|
|
|
users = users.includes(:user_search_data)
|
|
.references(:user_search_data)
|
|
.where("user_search_data.search_data @@ #{query}")
|
|
.order(User.sql_fragment("CASE WHEN username_lower LIKE ? THEN 0 ELSE 1 END ASC", @term_like))
|
|
|
|
else
|
|
users = users.where("username_lower LIKE :term_like", term_like: @term_like)
|
|
end
|
|
end
|
|
|
|
users
|
|
end
|
|
|
|
def search_ids
|
|
users = Set.new
|
|
|
|
# 1. exact username matches
|
|
if @term.present?
|
|
scoped_users.where(username_lower: @term.downcase)
|
|
.limit(@limit)
|
|
.pluck(:id)
|
|
.each { |id| users << id }
|
|
|
|
end
|
|
|
|
return users.to_a if users.length >= @limit
|
|
|
|
# 2. in topic
|
|
if @topic_id
|
|
filtered_by_term_users.where('users.id IN (SELECT p.user_id FROM posts p WHERE topic_id = ?)', @topic_id)
|
|
.order('last_seen_at DESC')
|
|
.limit(@limit - users.length)
|
|
.pluck(:id)
|
|
.each { |id| users << id }
|
|
end
|
|
|
|
return users.to_a if users.length >= @limit
|
|
|
|
# 3. global matches
|
|
filtered_by_term_users.order('last_seen_at DESC')
|
|
.limit(@limit - users.length)
|
|
.pluck(:id)
|
|
.each { |id| users << id }
|
|
|
|
users.to_a
|
|
end
|
|
|
|
def search
|
|
ids = search_ids
|
|
return User.where("0=1") if ids.empty?
|
|
|
|
User.joins("JOIN (SELECT unnest uid, row_number() OVER () AS rn
|
|
FROM unnest('{#{ids.join(",")}}'::int[])
|
|
) x on uid = users.id")
|
|
.order("rn")
|
|
end
|
|
|
|
end
|