discourse/app/models/user_search.rb
Josh Soref 59097b207f
DEV: Correct typos and spelling mistakes (#12812)
Over the years we accrued many spelling mistakes in the code base. 

This PR attempts to fix spelling mistakes and typos in all areas of the code that are extremely safe to change 

- comments
- test descriptions
- other low risk areas
2021-05-21 11:43:47 +10:00

179 lines
4.9 KiB
Ruby

# frozen_string_literal: true
class UserSearch
MAX_SIZE_PRIORITY_MENTION ||= 500
def initialize(term, opts = {})
@term = term.downcase
@term_like = @term.gsub("_", "\\_") + "%"
@topic_id = opts[:topic_id]
@category_id = opts[:category_id]
@topic_allowed_users = opts[:topic_allowed_users]
@searching_user = opts[:searching_user]
@include_staged_users = opts[:include_staged_users] || false
@limit = opts[:limit] || 20
@groups = opts[:groups]
@topic = Topic.find(@topic_id) if @topic_id
@category = Category.find(@category_id) if @category_id
@guardian = Guardian.new(@searching_user)
@guardian.ensure_can_see_groups_members!(@groups) if @groups
@guardian.ensure_can_see_category!(@category) if @category
@guardian.ensure_can_see_topic!(@topic) if @topic
end
def scoped_users
users = User.where(active: true)
users = users.where(staged: false) unless @include_staged_users
users = users.not_suspended unless @searching_user&.staff?
if @groups
users = users
.joins(:group_users)
.where("group_users.group_id IN (?)", @groups.map(&:id))
end
# Only show users who have access to private topic
if @topic_allowed_users == "true" && @topic&.category&.read_restricted
users = users
.references(:categories)
.includes(:secure_categories)
.where("users.admin OR categories.id = ?", @topic.category_id)
end
users
end
def filtered_by_term_users
if @term.blank?
scoped_users
elsif SiteSetting.enable_names? && @term !~ /[_\.-]/
query = Search.ts_query(term: @term, ts_config: "simple")
scoped_users
.includes(:user_search_data)
.where("user_search_data.search_data @@ #{query}")
.order(DB.sql_fragment("CASE WHEN username_lower LIKE ? THEN 0 ELSE 1 END ASC", @term_like))
else
scoped_users.where("username_lower LIKE :term_like", term_like: @term_like)
end
end
def search_ids
users = Set.new
# 1. exact username matches
if @term.present?
exact_matches = scoped_users.where(username_lower: @term)
# don't pollute mentions with users who haven't shown up in over a year
exact_matches = exact_matches.where('last_seen_at > ?', 1.year.ago) if @topic_id || @category_id
exact_matches
.limit(@limit)
.pluck(:id)
.each { |id| users << id }
end
return users.to_a if users.size >= @limit
# 2. in topic
if @topic_id
in_topic = filtered_by_term_users
.where('users.id IN (SELECT user_id FROM posts WHERE topic_id = ?)', @topic_id)
if @searching_user.present?
in_topic = in_topic.where('users.id <> ?', @searching_user.id)
end
in_topic
.order('last_seen_at DESC NULLS LAST')
.limit(@limit - users.size)
.pluck(:id)
.each { |id| users << id }
end
return users.to_a if users.size >= @limit
# 3. in category
secure_category_id =
if @category_id
DB.query_single(<<~SQL, @category_id).first
SELECT id
FROM categories
WHERE read_restricted
AND id = ?
SQL
elsif @topic_id
DB.query_single(<<~SQL, @topic_id).first
SELECT id
FROM categories
WHERE read_restricted
AND id IN (SELECT category_id FROM topics WHERE id = ?)
SQL
end
if secure_category_id
category_groups = Group.where(<<~SQL, secure_category_id, MAX_SIZE_PRIORITY_MENTION)
groups.id IN (
SELECT group_id
FROM category_groups
JOIN groups g ON group_id = g.id
WHERE category_id = ?
AND user_count < ?
)
SQL
if @searching_user.present?
category_groups = category_groups.members_visible_groups(@searching_user)
end
in_category = filtered_by_term_users
.where(<<~SQL, category_groups.pluck(:id))
users.id IN (
SELECT gu.user_id
FROM group_users gu
WHERE group_id IN (?)
LIMIT 200
)
SQL
if @searching_user.present?
in_category = in_category.where('users.id <> ?', @searching_user.id)
end
in_category
.order('last_seen_at DESC NULLS LAST')
.limit(@limit - users.size)
.pluck(:id)
.each { |id| users << id }
end
return users.to_a if users.size >= @limit
# 4. global matches
if @term.present?
filtered_by_term_users
.order('last_seen_at DESC NULLS LAST')
.limit(@limit - users.size)
.pluck(:id)
.each { |id| users << id }
end
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