1070 lines
34 KiB
Ruby
1070 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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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 = Group.where('name ilike ?', @options[:group_name]).select(:id, :publish_read_state).first
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publish_read_state = !!group&.publish_read_state
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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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list = append_read_state(list, group) if publish_read_state
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create_list(:private_messages, { publish_read_state: publish_read_state }, 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_first(:id)
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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
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suggested_ordering(result, options)
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end
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def new_results(options = {})
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# TODO does this make sense or should it be ordered on created_at
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# 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)
|
|
|
|
# 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
|
|
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_first(:id) 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_first(:sort_order, :sort_ascending)
|
|
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
|
|
|
|
# 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('tags.name = ?', opts[:tags].first).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 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 = [])
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result = default_results(unordered: true, per_page: count).where(closed: false, archived: false)
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|
|
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if SiteSetting.limit_suggested_to_category
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excluded_topic_ids += Category.where(id: topic.category_id).pluck(:id)
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else
|
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excluded_topic_ids += Category.topic_ids.to_a
|
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end
|
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result = result.where("topics.id NOT IN (?)", excluded_topic_ids) unless excluded_topic_ids.empty?
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|
|
|
result = remove_muted_categories(result, @user)
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|
|
|
# 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
|
|
|
|
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
|
|
end
|