discourse/lib/topic_query/private_message_lists.rb

279 lines
9.0 KiB
Ruby

# frozen_string_literal: true
class TopicQuery
module PrivateMessageLists
def list_private_messages(user, &blk)
list = private_messages_for(user, :user)
list = not_archived(list, user)
list = list.where(<<~SQL)
NOT (
topics.participant_count = 1
AND topics.user_id = #{user.id.to_i}
AND topics.moderator_posts_count = 0
)
SQL
create_list(:private_messages, {}, list, &blk)
end
def list_private_messages_archive(user)
list = private_messages_for(user, :user)
list = list.joins(:user_archived_messages).where('user_archived_messages.user_id = ?', user.id)
create_list(:private_messages, {}, list)
end
def list_private_messages_sent(user)
list = private_messages_for(user, :user)
list = list.where(<<~SQL, user.id)
EXISTS (
SELECT 1 FROM posts
WHERE posts.topic_id = topics.id AND posts.user_id = ?
)
SQL
list = not_archived(list, user)
create_list(:private_messages, {}, list)
end
def list_private_messages_new(user, type = :user)
list = filter_private_message_new(user, type)
list = TopicQuery.remove_muted_tags(list, user)
list = remove_dismissed(list, user)
create_list(:private_messages, {}, list)
end
def list_private_messages_unread(user, type = :user)
list = filter_private_messages_unread(user, type)
create_list(:private_messages, {}, list)
end
def list_private_messages_group(user)
list = private_messages_for(user, :group)
list = list.joins(<<~SQL)
LEFT JOIN group_archived_messages gm
ON gm.topic_id = topics.id AND gm.group_id = #{group.id.to_i}
SQL
list = list.where("gm.id IS NULL")
publish_read_state = !!group.publish_read_state
list = append_read_state(list, group) if publish_read_state
create_list(:private_messages, { publish_read_state: publish_read_state }, list)
end
def list_private_messages_group_archive(user)
list = private_messages_for(user, :group)
list = list.joins(<<~SQL)
INNER JOIN group_archived_messages gm
ON gm.topic_id = topics.id AND gm.group_id = #{group.id.to_i}
SQL
publish_read_state = !!group.publish_read_state
list = append_read_state(list, group) if publish_read_state
create_list(:private_messages, { publish_read_state: publish_read_state }, list)
end
def list_private_messages_group_new(user)
list = filter_private_message_new(user, :group)
list = remove_dismissed(list, user)
publish_read_state = !!group.publish_read_state
list = append_read_state(list, group) if publish_read_state
create_list(:private_messages, { publish_read_state: publish_read_state }, list)
end
def list_private_messages_group_unread(user)
list = filter_private_messages_unread(user, :group)
publish_read_state = !!group.publish_read_state
list = append_read_state(list, group) if publish_read_state
create_list(:private_messages, { publish_read_state: publish_read_state }, list)
end
def list_private_messages_warnings(user)
list = private_messages_for(user, :user)
list = list.where('topics.subtype = ?', TopicSubtype.moderator_warning)
# Exclude official warnings that the user created, instead of received
list = list.where('topics.user_id <> ?', user.id)
create_list(:private_messages, {}, list)
end
def private_messages_for(user, type)
options = @options
options.reverse_merge!(per_page: per_page_setting)
result = Topic.includes(:allowed_users)
result = result.includes(:tags) if SiteSetting.tagging_enabled
if type == :group
result = result.joins(
"INNER JOIN topic_allowed_groups tag ON tag.topic_id = topics.id AND tag.group_id IN (SELECT id FROM groups WHERE LOWER(name) = '#{PG::Connection.escape_string(@options[:group_name].downcase)}')"
)
unless user.admin?
result = result.joins("INNER JOIN group_users gu ON gu.group_id = tag.group_id AND gu.user_id = #{user.id.to_i}")
end
elsif type == :user
result = result.where("topics.id IN (SELECT topic_id FROM topic_allowed_users WHERE user_id = #{user.id.to_i})")
elsif type == :all
group_ids = group_with_messages_ids(user)
result =
if group_ids.present?
result.where(<<~SQL)
topics.id IN (
SELECT topic_id
FROM topic_allowed_users
WHERE user_id = #{user.id.to_i}
UNION ALL
SELECT topic_id FROM topic_allowed_groups
WHERE group_id IN (#{group_ids.join(",")})
)
SQL
else
result.joins(<<~SQL)
INNER JOIN topic_allowed_users tau
ON tau.topic_id = topics.id
AND tau.user_id = #{user.id.to_i}
SQL
end
end
result = result.joins("LEFT OUTER JOIN topic_users AS tu ON (topics.id = tu.topic_id AND tu.user_id = #{user.id.to_i})")
.order("topics.bumped_at DESC")
.private_messages
result = result.limit(options[:per_page]) unless options[:limit] == false
result = result.visible if options[:visible] || @user.nil? || @user.regular?
if options[:page]
offset = options[:page].to_i * options[:per_page]
result = result.offset(offset) if offset > 0
end
result
end
def list_private_messages_tag(user)
list = private_messages_for(user, :all)
list = list.joins("JOIN topic_tags tt ON tt.topic_id = topics.id
JOIN tags t ON t.id = tt.tag_id AND t.name = '#{@options[:tags][0]}'")
create_list(:private_messages, {}, list)
end
def filter_private_messages_unread(user, type)
list = TopicQuery.unread_filter(
private_messages_for(user, type),
whisperer: user.whisperer?
)
first_unread_pm_at =
case type
when :user
user_first_unread_pm_at(user)
when :group
GroupUser
.where(user: user, group: group)
.pluck_first(:first_unread_pm_at)
else
user_first_unread_pm_at = user_first_unread_pm_at(user)
group_first_unread_pm_at = GroupUser
.where(user: user)
.minimum(:first_unread_pm_at)
[user_first_unread_pm_at, group_first_unread_pm_at].compact.min
end
if first_unread_pm_at
list = list.where("topics.updated_at >= ?", first_unread_pm_at)
end
list
end
def filter_private_message_new(user, type)
TopicQuery.new_filter(
private_messages_for(user, type),
treat_as_new_topic_start_date: user.user_option.treat_as_new_topic_start_date
)
end
private
def append_read_state(list, group)
group_id = group.id
return list if group_id.nil?
selected_values = list.select_values.empty? ? ['topics.*'] : list.select_values
selected_values << "COALESCE(tg.last_read_post_number, 0) AS last_read_post_number"
list
.joins("LEFT OUTER JOIN topic_groups tg ON topics.id = tg.topic_id AND tg.group_id = #{group_id}")
.select(*selected_values)
end
def filter_archived(list, user, archived: true)
# Executing an extra query instead of a sub-query because it is more
# efficient for the PG planner. Caution should be used when changing the
# query here as it can easily lead to an inefficient query.
group_ids = group_with_messages_ids(user)
if group_ids.present?
list = list.joins(<<~SQL)
LEFT JOIN group_archived_messages gm
ON gm.topic_id = topics.id
AND gm.group_id IN (#{group_ids.join(",")})
LEFT JOIN user_archived_messages um
ON um.user_id = #{user.id.to_i}
AND um.topic_id = topics.id
SQL
if archived
list.where("um.user_id IS NOT NULL OR gm.topic_id IS NOT NULL")
else
list.where("um.user_id IS NULL AND gm.topic_id IS NULL")
end
else
list = list.joins(<<~SQL)
LEFT JOIN user_archived_messages um
ON um.user_id = #{user.id.to_i}
AND um.topic_id = topics.id
SQL
list.where("um.user_id IS #{archived ? "NOT NULL" : "NULL"}")
end
end
def not_archived(list, user)
list.joins("LEFT JOIN user_archived_messages um
ON um.user_id = #{user.id.to_i} AND um.topic_id = topics.id")
.where('um.user_id IS NULL')
end
def group
@group ||= begin
Group
.where('name ilike ?', @options[:group_name])
.select(:id, :publish_read_state)
.first
end
end
def user_first_unread_pm_at(user)
UserStat.where(user: user).pluck_first(:first_unread_pm_at)
end
def group_with_messages_ids(user)
@group_with_messages_ids ||= {}
if ids = @group_with_messages_ids[user.id]
return ids
end
@group_with_messages_ids[user.id] = user.groups.where(has_messages: true).pluck(:id)
end
end
end