113 lines
4.1 KiB
Ruby
113 lines
4.1 KiB
Ruby
# frozen_string_literal: true
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class UserBadge < ActiveRecord::Base
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belongs_to :badge
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belongs_to :user
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belongs_to :granted_by, class_name: 'User'
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belongs_to :notification, dependent: :destroy
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belongs_to :post
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scope :grouped_with_count, -> {
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group(:badge_id, :user_id)
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.select(UserBadge.attribute_names.map { |x| "MAX(user_badges.#{x}) AS #{x}" },
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'COUNT(*) AS "count"')
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.order('MAX(featured_rank) ASC')
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.includes(:user, :granted_by, { badge: :badge_type }, post: :topic)
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}
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scope :for_enabled_badges, -> { where('user_badges.badge_id IN (SELECT id FROM badges WHERE enabled)') }
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validates :badge_id,
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presence: true,
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uniqueness: { scope: :user_id },
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if: :single_grant_badge?
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validates :user_id, presence: true
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validates :granted_at, presence: true
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validates :granted_by, presence: true
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after_create do
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Badge.increment_counter 'grant_count', self.badge_id
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UserStat.update_distinct_badge_count self.user_id
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UserBadge.update_featured_ranks! self.user_id
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DiscourseEvent.trigger(:user_badge_granted, self.badge_id, self.user_id)
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end
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after_destroy do
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Badge.decrement_counter 'grant_count', self.badge_id
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UserStat.update_distinct_badge_count self.user_id
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UserBadge.update_featured_ranks! self.user_id
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DiscourseEvent.trigger(:user_badge_removed, self.badge_id, self.user_id)
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end
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def self.ensure_consistency!
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self.update_featured_ranks!
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end
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def self.update_featured_ranks!(user_id = nil)
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query = <<~SQL
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WITH featured_tl_badge AS -- Find the best trust level badge for each user
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(
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SELECT user_id, max(badge_id) as badge_id
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FROM user_badges
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WHERE badge_id IN (1,2,3,4)
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#{"AND user_id = #{user_id.to_i}" if user_id}
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GROUP BY user_id
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),
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ranks AS ( -- Take all user badges, group by user_id and badge_id, and calculate a rank for each one
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SELECT
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user_badges.user_id,
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user_badges.badge_id,
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RANK() OVER (
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PARTITION BY user_badges.user_id -- Do a separate rank for each user
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ORDER BY BOOL_OR(badges.enabled) DESC, -- Disabled badges last
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MAX(featured_tl_badge.user_id) NULLS LAST, -- Best tl badge first
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CASE WHEN user_badges.badge_id IN (1,2,3,4) THEN 1 ELSE 0 END ASC, -- Non-featured tl badges last
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MAX(badges.badge_type_id) ASC,
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MAX(badges.grant_count) ASC,
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user_badges.badge_id DESC
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) rank_number
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FROM user_badges
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INNER JOIN badges ON badges.id = user_badges.badge_id
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LEFT JOIN featured_tl_badge ON featured_tl_badge.user_id = user_badges.user_id AND featured_tl_badge.badge_id = user_badges.badge_id
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#{"WHERE user_badges.user_id = #{user_id.to_i}" if user_id}
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GROUP BY user_badges.user_id, user_badges.badge_id
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)
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-- Now use that data to update the featured_rank column
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UPDATE user_badges SET featured_rank = rank_number
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FROM ranks WHERE ranks.badge_id = user_badges.badge_id AND ranks.user_id = user_badges.user_id AND featured_rank IS DISTINCT FROM rank_number
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SQL
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DB.exec query
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end
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private
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def single_grant_badge?
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self.badge ? self.badge.single_grant? : true
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end
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end
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# == Schema Information
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#
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# Table name: user_badges
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#
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# id :integer not null, primary key
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# badge_id :integer not null
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# user_id :integer not null
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# granted_at :datetime not null
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# granted_by_id :integer not null
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# post_id :integer
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# notification_id :integer
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# seq :integer default(0), not null
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# featured_rank :integer
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# created_at :datetime not null
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#
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# Indexes
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#
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# index_user_badges_on_badge_id_and_user_id (badge_id,user_id)
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# index_user_badges_on_badge_id_and_user_id_and_post_id (badge_id,user_id,post_id) UNIQUE WHERE (post_id IS NOT NULL)
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# index_user_badges_on_badge_id_and_user_id_and_seq (badge_id,user_id,seq) UNIQUE WHERE (post_id IS NULL)
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# index_user_badges_on_user_id (user_id)
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#
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