158 lines
3.6 KiB
Ruby
158 lines
3.6 KiB
Ruby
# frozen_string_literal: true
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class About
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def self.displayed_plugin_stat_groups
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DiscoursePluginRegistry.stats.select { |stat| stat.show_in_ui }.map { |stat| stat.name }
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end
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class CategoryMods
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include ActiveModel::Serialization
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attr_reader :category, :moderators
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def initialize(category, moderators)
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@category = category
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@moderators = moderators
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end
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def parent_category
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category.parent_category
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end
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end
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include ActiveModel::Serialization
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include StatsCacheable
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def self.stats_cache_key
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"about-stats"
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end
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def self.fetch_stats
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Stat.api_stats
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end
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def initialize(user = nil)
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@user = user
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end
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def version
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Discourse::VERSION::STRING
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end
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def https
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SiteSetting.force_https
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end
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def title
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SiteSetting.title
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end
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def locale
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SiteSetting.default_locale
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end
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def description
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SiteSetting.site_description
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end
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def extended_site_description
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SiteSetting.extended_site_description_cooked
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end
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def banner_image
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url = SiteSetting.about_banner_image&.url
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return if url.blank?
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GlobalPath.full_cdn_url(url)
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end
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def site_creation_date
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Discourse.site_creation_date
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end
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def moderators
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@moderators ||=
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apply_excluded_groups(
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User.where(moderator: true, admin: false).human_users.order(last_seen_at: :desc),
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)
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end
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def admins
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@admins ||=
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DiscoursePluginRegistry.apply_modifier(
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:about_admins,
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apply_excluded_groups(User.where(admin: true).human_users.order(last_seen_at: :desc)),
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)
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end
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def stats
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@stats ||= About.fetch_cached_stats
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end
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def category_moderators
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allowed_cats = Guardian.new(@user).allowed_category_ids
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return [] if allowed_cats.blank?
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cats_with_mods = Category.joins(:category_moderation_groups).distinct.pluck(:id)
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category_ids = cats_with_mods & allowed_cats
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return [] if category_ids.blank?
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per_cat_limit = category_mods_limit / category_ids.size
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per_cat_limit = 1 if per_cat_limit < 1
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results = DB.query(<<~SQL, category_ids:)
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WITH moderator_users AS (
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SELECT
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cmg.category_id AS category_id,
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u.id AS user_id,
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u.last_seen_at,
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ROW_NUMBER() OVER (PARTITION BY cmg.category_id, u.id ORDER BY u.last_seen_at DESC) as rn
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FROM category_moderation_groups cmg
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INNER JOIN group_users gu
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ON cmg.group_id = gu.group_id
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INNER JOIN users u
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ON gu.user_id = u.id
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WHERE cmg.category_id IN (:category_ids)
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)
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SELECT id AS category_id, user_ids
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FROM categories
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INNER JOIN (
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SELECT
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category_id,
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(ARRAY_AGG(user_id ORDER BY last_seen_at DESC))[:#{per_cat_limit}] AS user_ids
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FROM moderator_users
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WHERE rn = 1
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GROUP BY category_id
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) X
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ON X.category_id = id
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ORDER BY position
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SQL
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cats = Category.where(id: results.map(&:category_id)).index_by(&:id)
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mods = User.where(id: results.map(&:user_ids).flatten.uniq).index_by(&:id)
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results.map { |row| CategoryMods.new(cats[row.category_id], mods.values_at(*row.user_ids)) }
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end
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def category_mods_limit
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@category_mods_limit || 100
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end
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def category_mods_limit=(number)
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@category_mods_limit = number
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end
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private
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def apply_excluded_groups(query)
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group_ids = SiteSetting.about_page_hidden_groups_map
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return query if group_ids.blank?
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query.joins(
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DB.sql_fragment(
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"LEFT JOIN group_users ON group_id IN (:group_ids) AND user_id = users.id",
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group_ids:,
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),
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).where("group_users.id": nil)
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end
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end
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