1037 lines
33 KiB
Ruby
1037 lines
33 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
#
|
|
# Helps us find topics.
|
|
# Returns a TopicList object containing the topics found.
|
|
#
|
|
|
|
class TopicQuery
|
|
include PrivateMessageLists
|
|
|
|
PG_MAX_INT ||= 2147483647
|
|
DEFAULT_PER_PAGE_COUNT ||= 30
|
|
|
|
def self.validators
|
|
@validators ||= begin
|
|
|
|
int = lambda do |x|
|
|
Integer === x || (String === x && x.match?(/^-?[0-9]+$/))
|
|
end
|
|
|
|
zero_up_to_max_int = lambda do |x|
|
|
int.call(x) && x.to_i.between?(0, PG_MAX_INT)
|
|
end
|
|
|
|
{
|
|
max_posts: zero_up_to_max_int,
|
|
min_posts: zero_up_to_max_int,
|
|
page: zero_up_to_max_int
|
|
}
|
|
end
|
|
end
|
|
|
|
def self.validate?(option, value)
|
|
|
|
if fn = validators[option.to_sym]
|
|
fn.call(value)
|
|
else
|
|
true
|
|
end
|
|
end
|
|
|
|
def self.public_valid_options
|
|
@public_valid_options ||=
|
|
%i(page
|
|
before
|
|
bumped_before
|
|
topic_ids
|
|
category
|
|
order
|
|
ascending
|
|
min_posts
|
|
max_posts
|
|
status
|
|
filter
|
|
state
|
|
search
|
|
q
|
|
f
|
|
group_name
|
|
tags
|
|
match_all_tags
|
|
no_subcategories
|
|
no_tags)
|
|
end
|
|
|
|
def self.valid_options
|
|
@valid_options ||=
|
|
public_valid_options +
|
|
%i(except_topic_ids
|
|
limit
|
|
page
|
|
per_page
|
|
visible
|
|
guardian
|
|
no_definitions
|
|
destination_category_id
|
|
include_pms)
|
|
end
|
|
|
|
# Maps `order` to a columns in `topics`
|
|
SORTABLE_MAPPING = {
|
|
'likes' => 'like_count',
|
|
'op_likes' => 'op_likes',
|
|
'views' => 'views',
|
|
'posts' => 'posts_count',
|
|
'activity' => 'bumped_at',
|
|
'posters' => 'participant_count',
|
|
'category' => 'category_id',
|
|
'created' => 'created_at'
|
|
}
|
|
|
|
cattr_accessor :results_filter_callbacks
|
|
self.results_filter_callbacks = []
|
|
|
|
attr_accessor :options, :user, :guardian
|
|
|
|
def self.add_custom_filter(key, &blk)
|
|
@custom_filters ||= {}
|
|
valid_options << key
|
|
public_valid_options << key
|
|
@custom_filters[key] = blk
|
|
end
|
|
|
|
def self.remove_custom_filter(key)
|
|
@custom_filters.delete(key)
|
|
public_valid_options.delete(key)
|
|
valid_options.delete(key)
|
|
@custom_filters = nil if @custom_filters.length == 0
|
|
end
|
|
|
|
def self.apply_custom_filters(results, topic_query)
|
|
if @custom_filters
|
|
@custom_filters.each do |key, filter|
|
|
results = filter.call(results, topic_query)
|
|
end
|
|
end
|
|
results
|
|
end
|
|
|
|
def initialize(user = nil, options = {})
|
|
options.assert_valid_keys(TopicQuery.valid_options)
|
|
@options = options.dup
|
|
@user = user
|
|
@guardian = options[:guardian] || Guardian.new(@user)
|
|
end
|
|
|
|
def joined_topic_user(list = nil)
|
|
(list || Topic).joins("LEFT OUTER JOIN topic_users AS tu ON (topics.id = tu.topic_id AND tu.user_id = #{@user.id.to_i})")
|
|
end
|
|
|
|
def get_pm_params(topic)
|
|
if topic.private_message?
|
|
|
|
my_group_ids = topic.topic_allowed_groups
|
|
.joins("
|
|
LEFT JOIN group_users gu
|
|
ON topic_allowed_groups.group_id = gu.group_id
|
|
AND gu.user_id = #{@user.id.to_i}
|
|
")
|
|
.where("gu.group_id IS NOT NULL")
|
|
.pluck(:group_id)
|
|
|
|
target_group_ids = topic.topic_allowed_groups.pluck(:group_id)
|
|
|
|
target_users = topic
|
|
.topic_allowed_users
|
|
|
|
if my_group_ids.present?
|
|
|
|
# strip out users in groups you already belong to
|
|
target_users = target_users
|
|
.joins("LEFT JOIN group_users gu ON gu.user_id = topic_allowed_users.user_id AND #{DB.sql_fragment('gu.group_id IN (?)', my_group_ids)}")
|
|
.where('gu.group_id IS NULL')
|
|
end
|
|
|
|
target_user_ids = target_users
|
|
.where('NOT topic_allowed_users.user_id = ?', @user.id)
|
|
.pluck(:user_id)
|
|
|
|
{
|
|
topic: topic,
|
|
my_group_ids: my_group_ids,
|
|
target_group_ids: target_group_ids,
|
|
target_user_ids: target_user_ids
|
|
}
|
|
end
|
|
end
|
|
|
|
def list_related_for(topic, pm_params: nil)
|
|
return if !topic.private_message?
|
|
return if @user.blank?
|
|
return if !SiteSetting.enable_personal_messages?
|
|
|
|
builder = SuggestedTopicsBuilder.new(topic)
|
|
pm_params = pm_params || get_pm_params(topic)
|
|
|
|
if pm_params[:my_group_ids].present?
|
|
builder.add_results(related_messages_group(
|
|
pm_params.merge(count: [6, builder.results_left].max,
|
|
exclude: builder.excluded_topic_ids)
|
|
))
|
|
else
|
|
builder.add_results(related_messages_user(
|
|
pm_params.merge(count: [6, builder.results_left].max,
|
|
exclude: builder.excluded_topic_ids)
|
|
))
|
|
end
|
|
|
|
params = { unordered: true }
|
|
params[:preload_posters] = true
|
|
create_list(:suggested, params, builder.results)
|
|
end
|
|
|
|
# Return a list of suggested topics for a topic
|
|
def list_suggested_for(topic, pm_params: nil)
|
|
|
|
# Don't suggest messages unless we have a user, and private messages are
|
|
# enabled.
|
|
return if topic.private_message? &&
|
|
(@user.blank? || !SiteSetting.enable_personal_messages?)
|
|
|
|
builder = SuggestedTopicsBuilder.new(topic)
|
|
|
|
pm_params = pm_params || get_pm_params(topic)
|
|
|
|
# When logged in we start with different results
|
|
if @user
|
|
if topic.private_message?
|
|
|
|
builder.add_results(new_messages(
|
|
pm_params.merge(count: builder.results_left)
|
|
)) unless builder.full?
|
|
|
|
builder.add_results(unread_messages(
|
|
pm_params.merge(count: builder.results_left)
|
|
)) unless builder.full?
|
|
|
|
else
|
|
|
|
builder.add_results(
|
|
unread_results(
|
|
topic: topic,
|
|
per_page: builder.results_left,
|
|
max_age: SiteSetting.suggested_topics_unread_max_days_old
|
|
), :high
|
|
)
|
|
|
|
builder.add_results(new_results(topic: topic, per_page: builder.category_results_left)) unless builder.full?
|
|
end
|
|
end
|
|
|
|
if !topic.private_message?
|
|
builder.add_results(random_suggested(topic, builder.results_left, builder.excluded_topic_ids)) unless builder.full?
|
|
end
|
|
|
|
params = { unordered: true }
|
|
if topic.private_message?
|
|
params[:preload_posters] = true
|
|
end
|
|
create_list(:suggested, params, builder.results)
|
|
end
|
|
|
|
# The latest view of topics
|
|
def list_latest
|
|
create_list(:latest, {}, latest_results)
|
|
end
|
|
|
|
def list_read
|
|
create_list(:read, unordered: true) do |topics|
|
|
topics.where('tu.last_visited_at IS NOT NULL').order('tu.last_visited_at DESC')
|
|
end
|
|
end
|
|
|
|
def list_new
|
|
create_list(:new, { unordered: true }, new_results)
|
|
end
|
|
|
|
def list_unread
|
|
create_list(:unread, { unordered: true }, unread_results)
|
|
end
|
|
|
|
def list_posted
|
|
create_list(:posted) { |l| l.where('tu.posted') }
|
|
end
|
|
|
|
def list_bookmarks
|
|
create_list(:bookmarks) { |l| l.where('tu.bookmarked') }
|
|
end
|
|
|
|
def list_top_for(period)
|
|
score_column = TopTopic.score_column_for_period(period)
|
|
create_list(:top, unordered: true) do |topics|
|
|
topics = remove_muted_categories(topics, @user)
|
|
topics = topics.joins(:top_topic).where("top_topics.#{score_column} > 0")
|
|
if period == :yearly && @user.try(:trust_level) == TrustLevel[0]
|
|
topics.order(<<~SQL)
|
|
CASE WHEN (
|
|
COALESCE(topics.pinned_at, '1900-01-01') > COALESCE(tu.cleared_pinned_at, '1900-01-01')
|
|
) THEN 0 ELSE 1 END,
|
|
top_topics.#{score_column} DESC,
|
|
topics.bumped_at DESC
|
|
SQL
|
|
else
|
|
topics.order(<<~SQL)
|
|
COALESCE(top_topics.#{score_column}, 0) DESC, topics.bumped_at DESC
|
|
SQL
|
|
end
|
|
end
|
|
end
|
|
|
|
def list_topics_by(user)
|
|
@options[:filtered_to_user] = user.id
|
|
create_list(:user_topics) do |topics|
|
|
topics.where(user_id: user.id)
|
|
end
|
|
end
|
|
|
|
def list_group_topics(group)
|
|
list = default_results.where("
|
|
topics.user_id IN (
|
|
SELECT user_id FROM group_users gu WHERE gu.group_id = #{group.id.to_i}
|
|
)
|
|
")
|
|
|
|
create_list(:group_topics, {}, list)
|
|
end
|
|
|
|
def list_category_topic_ids(category)
|
|
query = default_results(category: category.id)
|
|
pinned_ids = query.where('topics.pinned_at IS NOT NULL AND topics.category_id = ?', category.id).limit(nil).order('pinned_at DESC').pluck(:id)
|
|
non_pinned_ids = query.where('topics.pinned_at IS NULL OR topics.category_id <> ?', category.id).pluck(:id)
|
|
(pinned_ids + non_pinned_ids)
|
|
end
|
|
|
|
def list_new_in_category(category)
|
|
create_list(:new_in_category, unordered: true, category: category.id) do |list|
|
|
list.by_newest.first(25)
|
|
end
|
|
end
|
|
|
|
def self.new_filter(list, treat_as_new_topic_start_date: nil, treat_as_new_topic_clause_sql: nil)
|
|
if treat_as_new_topic_start_date
|
|
list = list.where("topics.created_at >= :created_at", created_at: treat_as_new_topic_start_date)
|
|
else
|
|
list = list.where("topics.created_at >= #{treat_as_new_topic_clause_sql}")
|
|
end
|
|
|
|
list
|
|
.where("tu.last_read_post_number IS NULL")
|
|
.where("COALESCE(tu.notification_level, :tracking) >= :tracking", tracking: TopicUser.notification_levels[:tracking])
|
|
end
|
|
|
|
def self.unread_filter(list, staff: false)
|
|
col_name = staff ? "highest_staff_post_number" : "highest_post_number"
|
|
|
|
list
|
|
.where("tu.last_read_post_number < topics.#{col_name}")
|
|
.where("COALESCE(tu.notification_level, :regular) >= :tracking",
|
|
regular: TopicUser.notification_levels[:regular], tracking: TopicUser.notification_levels[:tracking])
|
|
end
|
|
|
|
def self.tracked_filter(list, user_id)
|
|
sql = +<<~SQL
|
|
topics.category_id IN (
|
|
SELECT cu.category_id FROM category_users cu
|
|
WHERE cu.user_id = :user_id AND cu.notification_level >= :tracking
|
|
)
|
|
OR topics.category_id IN (
|
|
SELECT c.id FROM categories c WHERE c.parent_category_id IN (
|
|
SELECT cd.category_id FROM category_users cd
|
|
WHERE cd.user_id = :user_id AND cd.notification_level >= :tracking
|
|
)
|
|
)
|
|
SQL
|
|
|
|
if SiteSetting.tagging_enabled
|
|
sql << <<~SQL
|
|
OR topics.id IN (
|
|
SELECT tt.topic_id FROM topic_tags tt WHERE tt.tag_id IN (
|
|
SELECT tu.tag_id
|
|
FROM tag_users tu
|
|
WHERE tu.user_id = :user_id AND tu.notification_level >= :tracking
|
|
)
|
|
)
|
|
SQL
|
|
end
|
|
|
|
list.where(
|
|
sql,
|
|
user_id: user_id,
|
|
tracking: NotificationLevels.all[:tracking]
|
|
)
|
|
end
|
|
|
|
def prioritize_pinned_topics(topics, options)
|
|
pinned_clause = if options[:category_id]
|
|
+"topics.category_id = #{options[:category_id].to_i} AND"
|
|
else
|
|
+"pinned_globally AND "
|
|
end
|
|
|
|
pinned_clause << " pinned_at IS NOT NULL "
|
|
|
|
if @user
|
|
pinned_clause << " AND (topics.pinned_at > tu.cleared_pinned_at OR tu.cleared_pinned_at IS NULL)"
|
|
end
|
|
|
|
unpinned_topics = topics.where("NOT ( #{pinned_clause} )")
|
|
pinned_topics = topics.dup.offset(nil).where(pinned_clause)
|
|
|
|
per_page = options[:per_page] || per_page_setting
|
|
limit = per_page unless options[:limit] == false
|
|
page = options[:page].to_i
|
|
|
|
if page == 0
|
|
(pinned_topics + unpinned_topics)[0...limit] if limit
|
|
else
|
|
offset = (page * per_page) - pinned_topics.length
|
|
offset = 0 unless offset > 0
|
|
unpinned_topics.offset(offset).to_a
|
|
end
|
|
|
|
end
|
|
|
|
def create_list(filter, options = {}, topics = nil)
|
|
topics ||= default_results(options)
|
|
topics = yield(topics) if block_given?
|
|
|
|
options = options.merge(@options)
|
|
if ["activity", "default"].include?(options[:order] || "activity") &&
|
|
!options[:unordered] &&
|
|
filter != :private_messages
|
|
topics = prioritize_pinned_topics(topics, options)
|
|
end
|
|
|
|
topics = topics.to_a
|
|
|
|
if options[:preload_posters]
|
|
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
|
|
|
|
user_lookup = UserLookup.new(user_ids)
|
|
|
|
# memoize for loop so we don't keep looking these up
|
|
translations = TopicPostersSummary.translations
|
|
|
|
topics.each do |t|
|
|
t.posters = t.posters_summary(
|
|
user_lookup: user_lookup,
|
|
translations: translations
|
|
)
|
|
end
|
|
end
|
|
|
|
topics.each do |t|
|
|
t.allowed_user_ids = filter == :private_messages ? t.allowed_users.map { |u| u.id } : []
|
|
end
|
|
|
|
list = TopicList.new(filter, @user, topics, options.merge(@options))
|
|
list.per_page = options[:per_page] || per_page_setting
|
|
list
|
|
end
|
|
|
|
def latest_results(options = {})
|
|
result = default_results(options)
|
|
result = remove_muted_topics(result, @user) unless options && options[:state] == "muted"
|
|
result = remove_muted_categories(result, @user, exclude: options[:category])
|
|
result = remove_muted_tags(result, @user, options)
|
|
result = apply_shared_drafts(result, get_category_id(options[:category]), options)
|
|
|
|
# plugins can remove topics here:
|
|
self.class.results_filter_callbacks.each do |filter_callback|
|
|
result = filter_callback.call(:latest, result, @user, options)
|
|
end
|
|
|
|
result
|
|
end
|
|
|
|
def unread_results(options = {})
|
|
result = TopicQuery.unread_filter(
|
|
default_results(options.reverse_merge(unordered: true)),
|
|
staff: @user&.staff?)
|
|
.order('CASE WHEN topics.user_id = tu.user_id THEN 1 ELSE 2 END')
|
|
|
|
if @user
|
|
# micro optimisation so we don't load up all of user stats which we do not need
|
|
unread_at = DB.query_single(
|
|
"select first_unread_at from user_stats where user_id = ?",
|
|
@user.id).first
|
|
|
|
if max_age = options[:max_age]
|
|
max_age_date = max_age.days.ago
|
|
unread_at ||= max_age_date
|
|
unread_at = unread_at > max_age_date ? unread_at : max_age_date
|
|
end
|
|
|
|
# perf note, in the past we tried doing this in a subquery but performance was
|
|
# terrible, also tried with a join and it was bad
|
|
result = result.where("topics.updated_at >= ?", unread_at)
|
|
end
|
|
|
|
self.class.results_filter_callbacks.each do |filter_callback|
|
|
result = filter_callback.call(:unread, result, @user, options)
|
|
end
|
|
|
|
suggested_ordering(result, options)
|
|
end
|
|
|
|
def new_results(options = {})
|
|
# TODO does this make sense or should it be ordered on created_at
|
|
# it is ordering on bumped_at now
|
|
result = TopicQuery.new_filter(
|
|
default_results(options.reverse_merge(unordered: true)),
|
|
treat_as_new_topic_start_date: @user.user_option.treat_as_new_topic_start_date
|
|
)
|
|
result = remove_muted_topics(result, @user)
|
|
result = remove_muted_categories(result, @user, exclude: options[:category])
|
|
result = remove_muted_tags(result, @user, options)
|
|
result = remove_dismissed(result, @user)
|
|
|
|
self.class.results_filter_callbacks.each do |filter_callback|
|
|
result = filter_callback.call(:new, result, @user, options)
|
|
end
|
|
|
|
suggested_ordering(result, options)
|
|
end
|
|
|
|
protected
|
|
|
|
def per_page_setting
|
|
DEFAULT_PER_PAGE_COUNT
|
|
end
|
|
|
|
def apply_shared_drafts(result, category_id, options)
|
|
|
|
# PERF: avoid any penalty if there are no shared drafts enabled
|
|
# on some sites the cost can be high eg: gearbox
|
|
return result if SiteSetting.shared_drafts_category == ""
|
|
|
|
drafts_category_id = SiteSetting.shared_drafts_category.to_i
|
|
viewing_shared = category_id && category_id == drafts_category_id
|
|
|
|
if guardian.can_see_shared_draft?
|
|
if options[:destination_category_id]
|
|
destination_category_id = get_category_id(options[:destination_category_id])
|
|
topic_ids = SharedDraft.where(category_id: destination_category_id).pluck(:topic_id)
|
|
|
|
return result.where(id: topic_ids)
|
|
end
|
|
|
|
if viewing_shared
|
|
return result.includes(:shared_draft).references(:shared_draft)
|
|
end
|
|
|
|
elsif viewing_shared
|
|
return result.joins('LEFT OUTER JOIN shared_drafts sd ON sd.topic_id = topics.id').where('sd.id IS NULL')
|
|
end
|
|
|
|
result.where('topics.category_id != ?', drafts_category_id)
|
|
end
|
|
|
|
def apply_ordering(result, options)
|
|
sort_column = SORTABLE_MAPPING[options[:order]] || 'default'
|
|
sort_dir = (options[:ascending] == "true") ? "ASC" : "DESC"
|
|
|
|
# If we are sorting in the default order desc, we should consider including pinned
|
|
# topics. Otherwise, just use bumped_at.
|
|
if sort_column == 'default'
|
|
if sort_dir == 'DESC'
|
|
# If something requires a custom order, for example "unread" which sorts the least read
|
|
# to the top, do nothing
|
|
return result if options[:unordered]
|
|
end
|
|
sort_column = 'bumped_at'
|
|
end
|
|
|
|
# If we are sorting by category, actually use the name
|
|
if sort_column == 'category_id'
|
|
# TODO forces a table scan, slow
|
|
return result.references(:categories).order(<<~SQL)
|
|
CASE WHEN categories.id = #{SiteSetting.uncategorized_category_id.to_i} THEN '' ELSE categories.name END #{sort_dir}
|
|
SQL
|
|
end
|
|
|
|
if sort_column == 'op_likes'
|
|
return result.includes(:first_post).order("(SELECT like_count FROM posts p3 WHERE p3.topic_id = topics.id AND p3.post_number = 1) #{sort_dir}")
|
|
end
|
|
|
|
if sort_column.start_with?('custom_fields')
|
|
field = sort_column.split('.')[1]
|
|
return result.order("(SELECT CASE WHEN EXISTS (SELECT true FROM topic_custom_fields tcf WHERE tcf.topic_id::integer = topics.id::integer AND tcf.name = '#{field}') THEN (SELECT value::integer FROM topic_custom_fields tcf WHERE tcf.topic_id::integer = topics.id::integer AND tcf.name = '#{field}') ELSE 0 END) #{sort_dir}")
|
|
end
|
|
|
|
result.order("topics.#{sort_column} #{sort_dir}")
|
|
end
|
|
|
|
def get_category_id(category_id_or_slug)
|
|
return nil unless category_id_or_slug.present?
|
|
category_id = category_id_or_slug.to_i
|
|
|
|
if category_id == 0
|
|
category_id =
|
|
Category
|
|
.where(slug: category_id_or_slug, parent_category_id: nil)
|
|
.pluck_first(:id)
|
|
end
|
|
|
|
category_id
|
|
end
|
|
|
|
# Create results based on a bunch of default options
|
|
def default_results(options = {})
|
|
options.reverse_merge!(@options)
|
|
options.reverse_merge!(per_page: per_page_setting) unless options[:limit] == false
|
|
|
|
# Whether to return visible topics
|
|
options[:visible] = true if @user.nil? || @user.regular?
|
|
options[:visible] = false if @user && @user.id == options[:filtered_to_user]
|
|
|
|
# Start with a list of all topics
|
|
result = Topic.unscoped.includes(:category)
|
|
|
|
if @user
|
|
result = result.joins("LEFT OUTER JOIN topic_users AS tu ON (topics.id = tu.topic_id AND tu.user_id = #{@user.id.to_i})")
|
|
.references('tu')
|
|
end
|
|
|
|
category_id = get_category_id(options[:category])
|
|
@options[:category_id] = category_id
|
|
if category_id
|
|
if options[:no_subcategories]
|
|
result = result.where('categories.id = ?', category_id)
|
|
else
|
|
result = result.where("categories.id IN (?)", Category.subcategory_ids(category_id))
|
|
if !SiteSetting.show_category_definitions_in_topic_lists
|
|
result = result.where("categories.topic_id <> topics.id OR categories.id = ?", category_id)
|
|
end
|
|
end
|
|
result = result.references(:categories)
|
|
|
|
if !@options[:order]
|
|
# category default sort order
|
|
sort_order, sort_ascending = Category.where(id: category_id).pluck_first(:sort_order, :sort_ascending)
|
|
if sort_order
|
|
options[:order] = sort_order
|
|
options[:ascending] = !!sort_ascending ? 'true' : 'false'
|
|
else
|
|
options[:order] = 'default'
|
|
options[:ascending] = 'false'
|
|
end
|
|
end
|
|
end
|
|
|
|
if SiteSetting.tagging_enabled
|
|
result = result.preload(:tags)
|
|
|
|
tags_arg = @options[:tags]
|
|
|
|
if tags_arg && tags_arg.size > 0
|
|
tags_arg = tags_arg.split if String === tags_arg
|
|
|
|
tags_arg = tags_arg.map do |t|
|
|
if String === t
|
|
t.downcase
|
|
else
|
|
t
|
|
end
|
|
end
|
|
|
|
tags_query = tags_arg[0].is_a?(String) ? Tag.where_name(tags_arg) : Tag.where(id: tags_arg)
|
|
tags = tags_query.select(:id, :target_tag_id).map { |t| t.target_tag_id || t.id }.uniq
|
|
|
|
if @options[:match_all_tags]
|
|
# ALL of the given tags:
|
|
if tags_arg.length == tags.length
|
|
tags.each_with_index do |tag, index|
|
|
sql_alias = ['t', index].join
|
|
result = result.joins("INNER JOIN topic_tags #{sql_alias} ON #{sql_alias}.topic_id = topics.id AND #{sql_alias}.tag_id = #{tag}")
|
|
end
|
|
else
|
|
result = result.none # don't return any results unless all tags exist in the database
|
|
end
|
|
else
|
|
# ANY of the given tags:
|
|
result = result.joins(:tags).where("tags.id in (?)", tags)
|
|
end
|
|
|
|
# TODO: this is very side-effecty and should be changed
|
|
# It is done cause further up we expect normalized tags
|
|
@options[:tags] = tags
|
|
|
|
elsif @options[:no_tags]
|
|
# the following will do: ("topics"."id" NOT IN (SELECT DISTINCT "topic_tags"."topic_id" FROM "topic_tags"))
|
|
result = result.where.not(id: TopicTag.distinct.pluck(:topic_id))
|
|
end
|
|
end
|
|
|
|
result = apply_ordering(result, options)
|
|
|
|
all_listable_topics = @guardian.filter_allowed_categories(Topic.unscoped.listable_topics)
|
|
|
|
if options[:include_pms]
|
|
all_pm_topics = Topic.unscoped.private_messages_for_user(@user)
|
|
result = result.merge(all_listable_topics.or(all_pm_topics))
|
|
else
|
|
result = result.merge(all_listable_topics)
|
|
end
|
|
|
|
# Don't include the category topics if excluded
|
|
if options[:no_definitions]
|
|
result = result.where('COALESCE(categories.topic_id, 0) <> topics.id')
|
|
end
|
|
|
|
result = result.limit(options[:per_page]) unless options[:limit] == false
|
|
result = result.visible if options[:visible]
|
|
result = result.where.not(topics: { id: options[:except_topic_ids] }).references(:topics) if options[:except_topic_ids]
|
|
|
|
if options[:page]
|
|
offset = options[:page].to_i * options[:per_page]
|
|
result = result.offset(offset) if offset > 0
|
|
end
|
|
|
|
if options[:topic_ids]
|
|
result = result.where('topics.id in (?)', options[:topic_ids]).references(:topics)
|
|
end
|
|
|
|
if search = options[:search].presence
|
|
result = result.where("topics.id in (select pp.topic_id from post_search_data pd join posts pp on pp.id = pd.post_id where pd.search_data @@ #{Search.ts_query(term: search.to_s)})")
|
|
end
|
|
|
|
# NOTE protect against SYM attack can be removed with Ruby 2.2
|
|
#
|
|
state = options[:state]
|
|
if @user && state &&
|
|
TopicUser.notification_levels.keys.map(&:to_s).include?(state)
|
|
level = TopicUser.notification_levels[state.to_sym]
|
|
result = result.where('topics.id IN (
|
|
SELECT topic_id
|
|
FROM topic_users
|
|
WHERE user_id = ? AND
|
|
notification_level = ?)', @user.id, level)
|
|
end
|
|
|
|
require_deleted_clause = true
|
|
|
|
if before = options[:before]
|
|
if (before = before.to_i) > 0
|
|
result = result.where('topics.created_at < ?', before.to_i.days.ago)
|
|
end
|
|
end
|
|
|
|
if bumped_before = options[:bumped_before]
|
|
if (bumped_before = bumped_before.to_i) > 0
|
|
result = result.where('topics.bumped_at < ?', bumped_before.to_i.days.ago)
|
|
end
|
|
end
|
|
|
|
if status = options[:status]
|
|
case status
|
|
when 'open'
|
|
result = result.where('NOT topics.closed AND NOT topics.archived')
|
|
when 'closed'
|
|
result = result.where('topics.closed')
|
|
when 'archived'
|
|
result = result.where('topics.archived')
|
|
when 'listed'
|
|
result = result.where('topics.visible')
|
|
when 'unlisted'
|
|
result = result.where('NOT topics.visible')
|
|
when 'deleted'
|
|
guardian = @guardian
|
|
if guardian.is_staff?
|
|
result = result.where('topics.deleted_at IS NOT NULL')
|
|
require_deleted_clause = false
|
|
end
|
|
end
|
|
end
|
|
|
|
if (filter = (options[:filter] || options[:f])) && @user
|
|
action =
|
|
if filter == "bookmarked"
|
|
PostActionType.types[:bookmark]
|
|
elsif filter == "liked"
|
|
PostActionType.types[:like]
|
|
end
|
|
if action
|
|
result = result.where('topics.id IN (SELECT pp.topic_id
|
|
FROM post_actions pa
|
|
JOIN posts pp ON pp.id = pa.post_id
|
|
WHERE pa.user_id = :user_id AND
|
|
pa.post_action_type_id = :action AND
|
|
pa.deleted_at IS NULL
|
|
)', user_id: @user.id,
|
|
action: action
|
|
)
|
|
end
|
|
|
|
if filter == "tracked"
|
|
result = TopicQuery.tracked_filter(result, @user.id)
|
|
end
|
|
end
|
|
|
|
result = result.where('topics.deleted_at IS NULL') if require_deleted_clause
|
|
result = result.where('topics.posts_count <= ?', options[:max_posts]) if options[:max_posts].present?
|
|
result = result.where('topics.posts_count >= ?', options[:min_posts]) if options[:min_posts].present?
|
|
|
|
result = TopicQuery.apply_custom_filters(result, self)
|
|
|
|
result
|
|
end
|
|
|
|
def remove_muted_topics(list, user)
|
|
if user
|
|
list = list.where('COALESCE(tu.notification_level,1) > :muted', muted: TopicUser.notification_levels[:muted])
|
|
end
|
|
|
|
list
|
|
end
|
|
|
|
def remove_muted_categories(list, user, opts = nil)
|
|
category_id = get_category_id(opts[:exclude]) if opts
|
|
|
|
if user
|
|
list = list
|
|
.references("cu")
|
|
.joins("LEFT JOIN category_users ON category_users.category_id = topics.category_id AND category_users.user_id = #{user.id}")
|
|
.where("topics.category_id = :category_id
|
|
OR COALESCE(category_users.notification_level, :default) <> :muted
|
|
OR tu.notification_level > :regular",
|
|
category_id: category_id || -1,
|
|
default: CategoryUser.default_notification_level,
|
|
muted: CategoryUser.notification_levels[:muted],
|
|
regular: TopicUser.notification_levels[:regular])
|
|
elsif SiteSetting.mute_all_categories_by_default
|
|
category_ids = [
|
|
SiteSetting.default_categories_watching.split("|"),
|
|
SiteSetting.default_categories_tracking.split("|"),
|
|
SiteSetting.default_categories_watching_first_post.split("|"),
|
|
SiteSetting.default_categories_regular.split("|")
|
|
].flatten.map(&:to_i)
|
|
category_ids << category_id if category_id.present? && category_ids.exclude?(category_id)
|
|
|
|
list = list.where("topics.category_id IN (?)", category_ids) if category_ids.present?
|
|
else
|
|
category_ids = SiteSetting.default_categories_muted.split("|").map(&:to_i)
|
|
category_ids -= [category_id] if category_id.present? && category_ids.include?(category_id)
|
|
|
|
list = list.where("topics.category_id NOT IN (?)", category_ids) if category_ids.present?
|
|
end
|
|
|
|
list
|
|
end
|
|
|
|
def remove_muted_tags(list, user, opts = {})
|
|
if !SiteSetting.tagging_enabled || SiteSetting.remove_muted_tags_from_latest == 'never'
|
|
return list
|
|
end
|
|
|
|
muted_tag_ids = []
|
|
|
|
if user.present?
|
|
muted_tag_ids = TagUser.lookup(user, :muted).pluck(:tag_id)
|
|
else
|
|
muted_tag_names = SiteSetting.default_tags_muted.split("|")
|
|
muted_tag_ids = Tag.where(name: muted_tag_names).pluck(:id)
|
|
end
|
|
|
|
if muted_tag_ids.blank?
|
|
return list
|
|
end
|
|
|
|
# if viewing the topic list for a muted tag, show all the topics
|
|
if !opts[:no_tags] && opts[:tags].present?
|
|
return list if TagUser.lookup(user, :muted).joins(:tag).where('lower(tags.name) = ?', opts[:tags].first.downcase).exists?
|
|
end
|
|
|
|
if SiteSetting.remove_muted_tags_from_latest == 'always'
|
|
list = list.where("
|
|
NOT EXISTS(
|
|
SELECT 1
|
|
FROM topic_tags tt
|
|
WHERE tt.tag_id IN (:tag_ids)
|
|
AND tt.topic_id = topics.id)", tag_ids: muted_tag_ids)
|
|
else
|
|
list = list.where("
|
|
EXISTS (
|
|
SELECT 1
|
|
FROM topic_tags tt
|
|
WHERE tt.tag_id NOT IN (:tag_ids)
|
|
AND tt.topic_id = topics.id
|
|
) OR NOT EXISTS (SELECT 1 FROM topic_tags tt WHERE tt.topic_id = topics.id)", tag_ids: muted_tag_ids)
|
|
end
|
|
end
|
|
|
|
def remove_dismissed(list, user)
|
|
if user
|
|
list
|
|
.joins(<<~SQL)
|
|
LEFT JOIN dismissed_topic_users
|
|
ON dismissed_topic_users.topic_id = topics.id
|
|
AND dismissed_topic_users.user_id = #{user.id.to_i}
|
|
SQL
|
|
.where("dismissed_topic_users.id IS NULL")
|
|
else
|
|
list
|
|
end
|
|
end
|
|
|
|
def new_messages(params)
|
|
TopicQuery
|
|
.new_filter(
|
|
messages_for_groups_or_user(params[:my_group_ids]),
|
|
treat_as_new_topic_start_date: Time.at(SiteSetting.min_new_topics_time).to_datetime
|
|
)
|
|
.limit(params[:count])
|
|
end
|
|
|
|
def unread_messages(params)
|
|
query = TopicQuery.unread_filter(
|
|
messages_for_groups_or_user(params[:my_group_ids]),
|
|
staff: @user.staff?
|
|
)
|
|
|
|
first_unread_pm_at =
|
|
if params[:my_group_ids].present?
|
|
GroupUser.where(user_id: @user.id, group_id: params[:my_group_ids]).minimum(:first_unread_pm_at)
|
|
else
|
|
UserStat.where(user_id: @user.id).pluck_first(:first_unread_pm_at)
|
|
end
|
|
|
|
query = query.where("topics.updated_at >= ?", first_unread_pm_at) if first_unread_pm_at
|
|
query = query.limit(params[:count]) if params[:count]
|
|
query
|
|
end
|
|
|
|
def related_messages_user(params)
|
|
messages = messages_for_user.limit(params[:count])
|
|
messages = allowed_messages(messages, params)
|
|
end
|
|
|
|
def related_messages_group(params)
|
|
messages = messages_for_groups_or_user(params[:my_group_ids]).limit(params[:count])
|
|
messages = allowed_messages(messages, params)
|
|
end
|
|
|
|
def allowed_messages(messages, params)
|
|
user_ids = (params[:target_user_ids] || [])
|
|
group_ids = ((params[:target_group_ids] - params[:my_group_ids]) || [])
|
|
|
|
if user_ids.present?
|
|
messages =
|
|
messages.joins("
|
|
LEFT JOIN topic_allowed_users ta2
|
|
ON topics.id = ta2.topic_id
|
|
AND #{DB.sql_fragment('ta2.user_id IN (?)', user_ids)}
|
|
")
|
|
end
|
|
|
|
if group_ids.present?
|
|
messages =
|
|
messages.joins("
|
|
LEFT JOIN topic_allowed_groups tg2
|
|
ON topics.id = tg2.topic_id
|
|
AND #{DB.sql_fragment('tg2.group_id IN (?)', group_ids)}
|
|
")
|
|
end
|
|
|
|
messages =
|
|
if user_ids.present? && group_ids.present?
|
|
messages.where("ta2.topic_id IS NOT NULL OR tg2.topic_id IS NOT NULL")
|
|
elsif user_ids.present?
|
|
messages.where("ta2.topic_id IS NOT NULL")
|
|
elsif group_ids.present?
|
|
messages.where("tg2.topic_id IS NOT NULL")
|
|
end
|
|
end
|
|
|
|
def messages_for_groups_or_user(group_ids)
|
|
if group_ids.present?
|
|
base_messages
|
|
.joins("
|
|
LEFT JOIN (
|
|
SELECT * FROM topic_allowed_groups _tg
|
|
LEFT JOIN group_users gu
|
|
ON gu.user_id = #{@user.id.to_i}
|
|
AND gu.group_id = _tg.group_id
|
|
WHERE #{DB.sql_fragment('gu.group_id IN (?)', group_ids)}
|
|
) tg ON topics.id = tg.topic_id
|
|
")
|
|
.where("tg.topic_id IS NOT NULL")
|
|
else
|
|
messages_for_user
|
|
end
|
|
end
|
|
|
|
def messages_for_user
|
|
base_messages
|
|
.joins("
|
|
LEFT JOIN topic_allowed_users ta
|
|
ON topics.id = ta.topic_id
|
|
AND ta.user_id = #{@user.id.to_i}
|
|
")
|
|
.where("ta.topic_id IS NOT NULL")
|
|
end
|
|
|
|
def base_messages
|
|
query = Topic
|
|
.where('topics.archetype = ?', Archetype.private_message)
|
|
.joins("LEFT JOIN topic_users tu ON topics.id = tu.topic_id AND tu.user_id = #{@user.id.to_i}")
|
|
|
|
query = query.includes(:tags) if SiteSetting.tagging_enabled
|
|
query.order('topics.bumped_at DESC')
|
|
end
|
|
|
|
def random_suggested(topic, count, excluded_topic_ids = [])
|
|
result = default_results(unordered: true, per_page: count).where(closed: false, archived: false)
|
|
|
|
if SiteSetting.limit_suggested_to_category
|
|
excluded_topic_ids += Category.where(id: topic.category_id).pluck(:id)
|
|
else
|
|
excluded_topic_ids += Category.topic_ids.to_a
|
|
end
|
|
result = result.where("topics.id NOT IN (?)", excluded_topic_ids) unless excluded_topic_ids.empty?
|
|
|
|
result = remove_muted_categories(result, @user)
|
|
result = remove_muted_topics(result, @user)
|
|
|
|
# If we are in a category, prefer it for the random results
|
|
if topic.category_id
|
|
result = result.order("CASE WHEN topics.category_id = #{topic.category_id.to_i} THEN 0 ELSE 1 END")
|
|
end
|
|
|
|
# Best effort, it over selects, however if you have a high number
|
|
# of muted categories there is tiny chance we will not select enough
|
|
# in particular this can happen if current category is empty and tons
|
|
# of muted, big edge case
|
|
#
|
|
# we over select in case cache is stale
|
|
max = (count * 1.3).to_i
|
|
ids = SiteSetting.limit_suggested_to_category ? [] : RandomTopicSelector.next(max)
|
|
ids.concat(RandomTopicSelector.next(max, topic.category))
|
|
|
|
result.where(id: ids.uniq)
|
|
end
|
|
|
|
def suggested_ordering(result, options)
|
|
# Prefer unread in the same category
|
|
if options[:topic] && options[:topic].category_id
|
|
result = result.order("CASE WHEN topics.category_id = #{options[:topic].category_id.to_i} THEN 0 ELSE 1 END")
|
|
end
|
|
|
|
result.order('topics.bumped_at DESC')
|
|
end
|
|
end
|