discourse/app/models/about.rb

120 lines
2.7 KiB
Ruby

# frozen_string_literal: true
class About
def self.displayed_plugin_stat_groups
DiscoursePluginRegistry.stats.select { |stat| stat.show_in_ui }.map { |stat| stat.name }
end
class CategoryMods
include ActiveModel::Serialization
attr_reader :category, :moderators
def initialize(category, moderators)
@category = category
@moderators = moderators
end
def parent_category
category.parent_category
end
end
include ActiveModel::Serialization
include StatsCacheable
def self.stats_cache_key
"about-stats"
end
def self.fetch_stats
Stat.api_stats
end
def initialize(user = nil)
@user = user
end
def version
Discourse::VERSION::STRING
end
def https
SiteSetting.force_https
end
def title
SiteSetting.title
end
def locale
SiteSetting.default_locale
end
def description
SiteSetting.site_description
end
def extended_site_description
SiteSetting.extended_site_description_cooked
end
def banner_image
url = SiteSetting.about_banner_image&.url
return if url.blank?
GlobalPath.full_cdn_url(url)
end
def moderators
@moderators ||= User.where(moderator: true, admin: false).human_users.order("last_seen_at DESC")
end
def admins
@admins ||=
DiscoursePluginRegistry.apply_modifier(
:about_admins,
User.where(admin: true).human_users.order("last_seen_at DESC"),
)
end
def stats
@stats ||= About.fetch_stats
end
def category_moderators
allowed_cats = Guardian.new(@user).allowed_category_ids
return [] if allowed_cats.blank?
cats_with_mods = Category.where.not(reviewable_by_group_id: nil).pluck(:id)
category_ids = cats_with_mods & allowed_cats
return [] if category_ids.blank?
per_cat_limit = category_mods_limit / category_ids.size
per_cat_limit = 1 if per_cat_limit < 1
results = DB.query(<<~SQL, category_ids: category_ids)
SELECT c.id category_id
, (ARRAY_AGG(u.id ORDER BY u.last_seen_at DESC))[:#{per_cat_limit}] user_ids
FROM categories c
JOIN group_users gu ON gu.group_id = c.reviewable_by_group_id
JOIN users u ON u.id = gu.user_id
WHERE c.id IN (:category_ids)
GROUP BY c.id
ORDER BY c.position
SQL
cats = Category.where(id: results.map(&:category_id)).index_by(&:id)
mods = User.where(id: results.map(&:user_ids).flatten.uniq).index_by(&:id)
results.map { |row| CategoryMods.new(cats[row.category_id], mods.values_at(*row.user_ids)) }
end
def category_mods_limit
@category_mods_limit || 100
end
def category_mods_limit=(number)
@category_mods_limit = number
end
end