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19e3b3b1bc
During profiling looking up topic users popped up as a hot path, this change more than halved the amount of work it does It reduces object allocations and method calls and avoids repeate translation of common terms
1061 lines
34 KiB
Ruby
1061 lines
34 KiB
Ruby
# frozen_string_literal: true
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#
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# Helps us find topics.
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# Returns a TopicList object containing the topics found.
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#
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require_dependency 'topic_list'
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require_dependency 'suggested_topics_builder'
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require_dependency 'topic_query_sql'
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require_dependency 'avatar_lookup'
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class TopicQuery
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PG_MAX_INT ||= 2147483647
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def self.validators
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@validators ||= begin
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int = lambda do |x|
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Integer === x || (String === x && x.match?(/^-?[0-9]+$/))
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end
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zero_up_to_max_int = lambda do |x|
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int.call(x) && x.to_i.between?(0, PG_MAX_INT)
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end
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array_int_or_int = lambda do |x|
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int.call(x) || (
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Array === x && x.length > 0 && x.all?(&int)
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)
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end
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{
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max_posts: zero_up_to_max_int,
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min_posts: zero_up_to_max_int,
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page: zero_up_to_max_int,
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exclude_category_ids: array_int_or_int
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}
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end
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end
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def self.validate?(option, value)
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if fn = validators[option.to_sym]
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fn.call(value)
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else
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true
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end
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end
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def self.public_valid_options
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@public_valid_options ||=
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%i(page
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before
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bumped_before
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topic_ids
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exclude_category_ids
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category
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order
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ascending
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min_posts
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max_posts
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status
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filter
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state
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search
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q
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group_name
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tags
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match_all_tags
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no_subcategories
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no_tags)
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end
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def self.valid_options
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@valid_options ||=
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public_valid_options +
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%i(except_topic_ids
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limit
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page
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per_page
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visible
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guardian
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no_definitions
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destination_category_id)
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end
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# Maps `order` to a columns in `topics`
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SORTABLE_MAPPING = {
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'likes' => 'like_count',
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'op_likes' => 'op_likes',
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'views' => 'views',
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'posts' => 'posts_count',
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'activity' => 'bumped_at',
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'posters' => 'participant_count',
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'category' => 'category_id',
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'created' => 'created_at'
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}
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cattr_accessor :results_filter_callbacks
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self.results_filter_callbacks = []
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attr_accessor :options, :user, :guardian
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def self.add_custom_filter(key, &blk)
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@custom_filters ||= {}
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valid_options << key
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public_valid_options << key
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@custom_filters[key] = blk
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end
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def self.remove_custom_filter(key)
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@custom_filters.delete(key)
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public_valid_options.delete(key)
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valid_options.delete(key)
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@custom_filters = nil if @custom_filters.length == 0
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end
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def self.apply_custom_filters(results, topic_query)
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if @custom_filters
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@custom_filters.each do |key, filter|
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results = filter.call(results, topic_query)
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end
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end
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results
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end
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def initialize(user = nil, options = {})
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options.assert_valid_keys(TopicQuery.valid_options)
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@options = options.dup
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@user = user
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@guardian = options[:guardian] || Guardian.new(@user)
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end
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def joined_topic_user(list = nil)
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(list || Topic).joins("LEFT OUTER JOIN topic_users AS tu ON (topics.id = tu.topic_id AND tu.user_id = #{@user.id.to_i})")
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end
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def get_pm_params(topic)
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if topic.private_message?
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my_group_ids = topic.topic_allowed_groups
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.joins("
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LEFT JOIN group_users gu
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ON topic_allowed_groups.group_id = gu.group_id
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AND gu.user_id = #{@user.id.to_i}
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")
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.where("gu.group_id IS NOT NULL")
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.pluck(:group_id)
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target_group_ids = topic.topic_allowed_groups.pluck(:group_id)
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target_users = topic
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.topic_allowed_users
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if my_group_ids.present?
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# strip out users in groups you already belong to
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target_users = target_users
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.joins("LEFT JOIN group_users gu ON gu.user_id = topic_allowed_users.user_id AND gu.group_id IN (#{sanitize_sql_array(my_group_ids)})")
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.where('gu.group_id IS NULL')
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end
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target_user_ids = target_users
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.where('NOT topic_allowed_users.user_id = ?', @user.id)
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.pluck(:user_id)
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{
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topic: topic,
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my_group_ids: my_group_ids,
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target_group_ids: target_group_ids,
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target_user_ids: target_user_ids
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}
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end
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end
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def list_related_for(topic, pm_params: nil)
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return if !topic.private_message?
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return if @user.blank?
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return if !SiteSetting.enable_personal_messages?
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builder = SuggestedTopicsBuilder.new(topic)
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pm_params = pm_params || get_pm_params(topic)
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if pm_params[:my_group_ids].present?
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builder.add_results(related_messages_group(
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pm_params.merge(count: [6, builder.results_left].max,
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exclude: builder.excluded_topic_ids)
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))
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else
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builder.add_results(related_messages_user(
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pm_params.merge(count: [6, builder.results_left].max,
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exclude: builder.excluded_topic_ids)
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))
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end
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params = { unordered: true }
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params[:preload_posters] = true
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create_list(:suggested, params, builder.results)
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end
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# Return a list of suggested topics for a topic
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def list_suggested_for(topic, pm_params: nil)
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# Don't suggest messages unless we have a user, and private messages are
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# enabled.
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return if topic.private_message? &&
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(@user.blank? || !SiteSetting.enable_personal_messages?)
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builder = SuggestedTopicsBuilder.new(topic)
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pm_params = pm_params || get_pm_params(topic)
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# When logged in we start with different results
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if @user
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if topic.private_message?
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builder.add_results(new_messages(
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pm_params.merge(count: builder.results_left)
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)) unless builder.full?
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builder.add_results(unread_messages(
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pm_params.merge(count: builder.results_left)
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)) unless builder.full?
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else
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builder.add_results(
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unread_results(
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topic: topic,
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per_page: builder.results_left,
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max_age: SiteSetting.suggested_topics_unread_max_days_old
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), :high
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)
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builder.add_results(new_results(topic: topic, per_page: builder.category_results_left)) unless builder.full?
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end
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end
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if !topic.private_message?
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builder.add_results(random_suggested(topic, builder.results_left, builder.excluded_topic_ids)) unless builder.full?
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end
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params = { unordered: true }
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if topic.private_message?
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params[:preload_posters] = true
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end
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create_list(:suggested, params, builder.results)
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end
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# The latest view of topics
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def list_latest
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create_list(:latest, {}, latest_results)
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end
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def list_read
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create_list(:read, unordered: true) do |topics|
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topics.where('tu.last_visited_at IS NOT NULL').order('tu.last_visited_at DESC')
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end
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end
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def list_new
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create_list(:new, { unordered: true }, new_results)
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end
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def list_unread
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create_list(:unread, { unordered: true }, unread_results)
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end
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def list_posted
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create_list(:posted) { |l| l.where('tu.posted') }
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end
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def list_bookmarks
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create_list(:bookmarks) { |l| l.where('tu.bookmarked') }
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end
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def list_top_for(period)
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score = "#{period}_score"
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create_list(:top, unordered: true) do |topics|
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topics = topics.joins(:top_topic).where("top_topics.#{score} > 0")
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if period == :yearly && @user.try(:trust_level) == TrustLevel[0]
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topics.order(TopicQuerySQL.order_top_with_pinned_category_for(score))
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else
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topics.order(TopicQuerySQL.order_top_for(score))
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end
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end
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end
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def list_topics_by(user)
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@options[:filtered_to_user] = user.id
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create_list(:user_topics) do |topics|
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topics.where(user_id: user.id)
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end
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end
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def not_archived(list, user)
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list.joins("LEFT JOIN user_archived_messages um
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ON um.user_id = #{user.id.to_i} AND um.topic_id = topics.id")
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.where('um.user_id IS NULL')
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end
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def list_group_topics(group)
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list = default_results.where("
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topics.user_id IN (
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SELECT user_id FROM group_users gu WHERE gu.group_id = #{group.id.to_i}
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)
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")
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create_list(:group_topics, {}, list)
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end
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def list_private_messages(user)
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list = private_messages_for(user, :user)
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list = not_archived(list, user)
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.where('NOT (topics.participant_count = 1 AND topics.user_id = ? AND topics.moderator_posts_count = 0)', user.id)
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create_list(:private_messages, {}, list)
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end
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def list_private_messages_archive(user)
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list = private_messages_for(user, :user)
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list = list.joins(:user_archived_messages).where('user_archived_messages.user_id = ?', user.id)
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create_list(:private_messages, {}, list)
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end
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def list_private_messages_sent(user)
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list = private_messages_for(user, :user)
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list = list.where('EXISTS (
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SELECT 1 FROM posts
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WHERE posts.topic_id = topics.id AND
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posts.user_id = ?
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)', user.id)
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list = not_archived(list, user)
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create_list(:private_messages, {}, list)
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end
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def list_private_messages_unread(user)
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list = private_messages_for(user, :user)
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list = list.where("tu.last_read_post_number IS NULL OR tu.last_read_post_number < topics.highest_post_number")
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create_list(:private_messages, {}, list)
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end
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def list_private_messages_group(user)
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list = private_messages_for(user, :group)
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group_id = Group.where('name ilike ?', @options[:group_name]).pluck(:id).first
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list = list.joins("LEFT JOIN group_archived_messages gm ON gm.topic_id = topics.id AND
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gm.group_id = #{group_id.to_i}")
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list = list.where("gm.id IS NULL")
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create_list(:private_messages, {}, list)
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end
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def list_private_messages_group_archive(user)
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list = private_messages_for(user, :group)
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group_id = Group.where('name ilike ?', @options[:group_name]).pluck(:id).first
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list = list.joins("JOIN group_archived_messages gm ON gm.topic_id = topics.id AND
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gm.group_id = #{group_id.to_i}")
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create_list(:private_messages, {}, list)
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end
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def list_private_messages_tag(user)
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list = private_messages_for(user, :all)
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list = list.joins("JOIN topic_tags tt ON tt.topic_id = topics.id
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JOIN tags t ON t.id = tt.tag_id AND t.name = '#{@options[:tags][0]}'")
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create_list(:private_messages, {}, list)
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end
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def list_category_topic_ids(category)
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query = default_results(category: category.id)
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pinned_ids = query.where('topics.pinned_at IS NOT NULL AND topics.category_id = ?', category.id).limit(nil).order('pinned_at DESC').pluck(:id)
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non_pinned_ids = query.where('topics.pinned_at IS NULL OR topics.category_id <> ?', category.id).pluck(:id)
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(pinned_ids + non_pinned_ids)
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end
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def list_new_in_category(category)
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create_list(:new_in_category, unordered: true, category: category.id) do |list|
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list.by_newest.first(25)
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end
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end
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def self.new_filter(list, treat_as_new_topic_start_date)
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list.where("topics.created_at >= :created_at", created_at: treat_as_new_topic_start_date)
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.where("tu.last_read_post_number IS NULL")
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.where("COALESCE(tu.notification_level, :tracking) >= :tracking", tracking: TopicUser.notification_levels[:tracking])
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end
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def self.unread_filter(list, user_id, opts)
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col_name = opts[:staff] ? "highest_staff_post_number" : "highest_post_number"
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list
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.where("tu.last_read_post_number < topics.#{col_name}")
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.where("COALESCE(tu.notification_level, :regular) >= :tracking",
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regular: TopicUser.notification_levels[:regular], tracking: TopicUser.notification_levels[:tracking])
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end
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def prioritize_pinned_topics(topics, options)
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pinned_clause = if options[:category_id]
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+"topics.category_id = #{options[:category_id].to_i} AND"
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else
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+"pinned_globally AND "
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end
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pinned_clause << " pinned_at IS NOT NULL "
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if @user
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pinned_clause << " AND (topics.pinned_at > tu.cleared_pinned_at OR tu.cleared_pinned_at IS NULL)"
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end
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unpinned_topics = topics.where("NOT ( #{pinned_clause} )")
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pinned_topics = topics.dup.offset(nil).where(pinned_clause)
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per_page = options[:per_page] || per_page_setting
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limit = per_page unless options[:limit] == false
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page = options[:page].to_i
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if page == 0
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(pinned_topics + unpinned_topics)[0...limit] if limit
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else
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offset = (page * per_page) - pinned_topics.length
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offset = 0 unless offset > 0
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unpinned_topics.offset(offset).to_a
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end
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end
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def create_list(filter, options = {}, topics = nil)
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topics ||= default_results(options)
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topics = yield(topics) if block_given?
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options = options.merge(@options)
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if ["activity", "default"].include?(options[:order] || "activity") &&
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!options[:unordered] &&
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filter != :private_messages
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topics = prioritize_pinned_topics(topics, options)
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end
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topics = topics.to_a
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if options[:preload_posters]
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user_ids = []
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topics.each do |ft|
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user_ids << ft.user_id << ft.last_post_user_id << ft.featured_user_ids << ft.allowed_user_ids
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end
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avatar_lookup = AvatarLookup.new(user_ids)
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primary_group_lookup = PrimaryGroupLookup.new(user_ids)
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# memoize for loop so we don't keep looking these up
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translations = TopicPostersSummary.translations
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topics.each do |t|
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t.posters = t.posters_summary(
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avatar_lookup: avatar_lookup,
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primary_group_lookup: primary_group_lookup,
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translations: translations
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)
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end
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end
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topics.each do |t|
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t.allowed_user_ids = filter == :private_messages ? t.allowed_users.map { |u| u.id } : []
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end
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list = TopicList.new(filter, @user, topics, options.merge(@options))
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list.per_page = options[:per_page] || per_page_setting
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list
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end
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def latest_results(options = {})
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result = default_results(options)
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result = remove_muted_topics(result, @user) unless options && options[:state] == "muted".freeze
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result = remove_muted_categories(result, @user, exclude: options[:category])
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result = remove_muted_tags(result, @user, options)
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result = apply_shared_drafts(result, get_category_id(options[:category]), options)
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# plugins can remove topics here:
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self.class.results_filter_callbacks.each do |filter_callback|
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result = filter_callback.call(:latest, result, @user, options)
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end
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result
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end
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def unread_results(options = {})
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result = TopicQuery.unread_filter(
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default_results(options.reverse_merge(unordered: true)),
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@user&.id,
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staff: @user&.staff?)
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.order('CASE WHEN topics.user_id = tu.user_id THEN 1 ELSE 2 END')
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if @user
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# micro optimisation so we don't load up all of user stats which we do not need
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unread_at = DB.query_single(
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"select first_unread_at from user_stats where user_id = ?",
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@user.id).first
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if max_age = options[:max_age]
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max_age_date = max_age.days.ago
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unread_at ||= max_age_date
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unread_at = unread_at > max_age_date ? unread_at : max_age_date
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end
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# perf note, in the past we tried doing this in a subquery but performance was
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# terrible, also tried with a join and it was bad
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result = result.where("topics.updated_at >= ?", unread_at)
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end
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self.class.results_filter_callbacks.each do |filter_callback|
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result = filter_callback.call(:unread, result, @user, options)
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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)), @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)
|
|
|
|
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
|
|
30
|
|
end
|
|
|
|
def private_messages_for(user, type)
|
|
options = @options
|
|
options.reverse_merge!(per_page: per_page_setting)
|
|
|
|
result = Topic.includes(:tags)
|
|
|
|
if type == :group
|
|
result = result.includes(:allowed_users)
|
|
result = result.where("
|
|
topics.id IN (
|
|
SELECT topic_id FROM topic_allowed_groups
|
|
WHERE (
|
|
group_id IN (
|
|
SELECT group_id
|
|
FROM group_users
|
|
WHERE user_id = #{user.id.to_i}
|
|
OR #{user.staff?}
|
|
)
|
|
)
|
|
AND group_id IN (SELECT id FROM groups WHERE name ilike ?)
|
|
)",
|
|
@options[:group_name]
|
|
)
|
|
elsif type == :user
|
|
result = result.includes(:allowed_users)
|
|
result = result.where("topics.id IN (SELECT topic_id FROM topic_allowed_users WHERE user_id = #{user.id.to_i})")
|
|
elsif type == :all
|
|
result = result.includes(:allowed_users)
|
|
result = result.where("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 (
|
|
SELECT group_id FROM group_users WHERE user_id = #{user.id.to_i}
|
|
)
|
|
)")
|
|
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 apply_shared_drafts(result, category_id, options)
|
|
drafts_category_id = SiteSetting.shared_drafts_category.to_i
|
|
viewing_shared = category_id && category_id == drafts_category_id
|
|
can_create_shared = guardian.can_create_shared_draft?
|
|
|
|
if can_create_shared && 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)
|
|
result.where(id: topic_ids)
|
|
elsif can_create_shared && viewing_shared
|
|
result.includes(:shared_draft).references(:shared_draft)
|
|
else
|
|
result.where('topics.category_id != ?', drafts_category_id)
|
|
end
|
|
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(TopicQuerySQL.order_by_category_sql(sort_dir))
|
|
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
|
|
category_id = category_id_or_slug.to_i
|
|
category_id = Category.where(slug: category_id_or_slug).pluck(:id).first if category_id == 0
|
|
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)
|
|
|
|
# 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
|
|
|
|
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
|
|
sql = <<~SQL
|
|
categories.id IN (
|
|
SELECT c2.id FROM categories c2 WHERE c2.parent_category_id = :category_id
|
|
UNION ALL
|
|
SELECT :category_id
|
|
) AND
|
|
topics.id NOT IN (
|
|
SELECT c3.topic_id FROM categories c3 WHERE c3.parent_category_id = :category_id
|
|
)
|
|
SQL
|
|
result = result.where(sql, category_id: category_id)
|
|
end
|
|
result = result.references(:categories)
|
|
|
|
if !@options[:order]
|
|
# category default sort order
|
|
sort_order, sort_ascending = Category.where(id: category_id).pluck(:sort_order, :sort_ascending).first
|
|
if sort_order
|
|
options[:order] = sort_order
|
|
options[:ascending] = !!sort_ascending ? 'true' : 'false'
|
|
end
|
|
end
|
|
end
|
|
|
|
# ALL TAGS: something like this?
|
|
# Topic.joins(:tags).where('tags.name in (?)', @options[:tags]).group('topic_id').having('count(*)=?', @options[:tags].size).select('topic_id')
|
|
|
|
if SiteSetting.tagging_enabled
|
|
result = result.preload(:tags)
|
|
|
|
tags = @options[:tags]
|
|
|
|
if tags && tags.size > 0
|
|
tags = tags.split if String === tags
|
|
|
|
tags = tags.map do |t|
|
|
if String === t
|
|
t.downcase
|
|
else
|
|
t
|
|
end
|
|
end
|
|
|
|
if @options[:match_all_tags]
|
|
# ALL of the given tags:
|
|
tags_count = tags.length
|
|
tags = Tag.where_name(tags).pluck(:id) unless Integer === tags[0]
|
|
|
|
if tags_count == 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)
|
|
if Integer === tags[0]
|
|
result = result.where("tags.id in (?)", tags)
|
|
else
|
|
result = result.where("lower(tags.name) in (?)", tags)
|
|
end
|
|
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)
|
|
result = result.listable_topics.includes(:category)
|
|
|
|
if options[:exclude_category_ids] && options[:exclude_category_ids].is_a?(Array) && options[:exclude_category_ids].size > 0
|
|
result = result.where("categories.id NOT IN (?)", options[:exclude_category_ids].map(&:to_i)).references(:categories)
|
|
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]
|
|
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]) && @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
|
|
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)
|
|
|
|
@guardian.filter_allowed_categories(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")
|
|
.where("
|
|
NOT EXISTS (
|
|
SELECT 1
|
|
FROM category_users cu
|
|
WHERE cu.user_id = :user_id
|
|
AND cu.category_id = topics.category_id
|
|
AND cu.notification_level = :muted
|
|
AND cu.category_id <> :category_id
|
|
AND (tu.notification_level IS NULL OR tu.notification_level < :tracking)
|
|
)", user_id: user.id,
|
|
muted: CategoryUser.notification_levels[:muted],
|
|
tracking: TopicUser.notification_levels[:tracking],
|
|
category_id: category_id || -1)
|
|
end
|
|
|
|
list
|
|
end
|
|
def remove_muted_tags(list, user, opts = nil)
|
|
if user.nil? || !SiteSetting.tagging_enabled || SiteSetting.remove_muted_tags_from_latest == 'never'
|
|
return list
|
|
end
|
|
|
|
muted_tag_ids = TagUser.lookup(user, :muted).pluck(:tag_id)
|
|
if muted_tag_ids.blank?
|
|
return list
|
|
end
|
|
|
|
showing_tag = if opts[:filter]
|
|
f = opts[:filter].split('/')
|
|
f[0] == 'tags' ? f[1] : nil
|
|
else
|
|
nil
|
|
end
|
|
|
|
# if viewing the topic list for a muted tag, show all the topics
|
|
if showing_tag.present? && TagUser.lookup(user, :muted).joins(:tag).where('tags.name = ?', showing_tag).exists?
|
|
return list
|
|
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 new_messages(params)
|
|
query = TopicQuery
|
|
.new_filter(messages_for_groups_or_user(params[:my_group_ids]), Time.at(SiteSetting.min_new_topics_time).to_datetime)
|
|
.limit(params[:count])
|
|
query
|
|
end
|
|
|
|
def unread_messages(params)
|
|
query = TopicQuery.unread_filter(
|
|
messages_for_groups_or_user(params[:my_group_ids]),
|
|
@user&.id,
|
|
staff: @user&.staff?)
|
|
.limit(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 ta2.user_id IN (#{sanitize_sql_array(user_ids)})
|
|
")
|
|
end
|
|
|
|
if group_ids.present?
|
|
messages =
|
|
messages.joins("
|
|
LEFT JOIN topic_allowed_groups tg2
|
|
ON topics.id = tg2.topic_id
|
|
AND tg2.group_id IN (#{sanitize_sql_array(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 gu.group_id IN (#{sanitize_sql_array(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)
|
|
|
|
# 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
|
|
|
|
private
|
|
|
|
def sanitize_sql_array(input)
|
|
ActiveRecord::Base.public_send(:sanitize_sql_array, input.join(','))
|
|
end
|
|
end
|