mirror of
https://github.com/discourse/discourse.git
synced 2024-12-17 00:13:51 +08:00
343 lines
12 KiB
Ruby
343 lines
12 KiB
Ruby
class BadgeGranter
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def initialize(badge, user, opts={})
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@badge, @user, @opts = badge, user, opts
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@granted_by = opts[:granted_by] || Discourse.system_user
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@post_id = opts[:post_id]
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end
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def self.grant(badge, user, opts={})
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BadgeGranter.new(badge, user, opts).grant
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end
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def grant
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return if @granted_by and !Guardian.new(@granted_by).can_grant_badges?(@user)
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find_by = { badge_id: @badge.id, user_id: @user.id }
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if @badge.multiple_grant?
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find_by[:post_id] = @post_id
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end
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user_badge = UserBadge.find_by(find_by)
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if user_badge.nil? || (@badge.multiple_grant? && @post_id.nil?)
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UserBadge.transaction do
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seq = 0
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if @badge.multiple_grant?
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seq = UserBadge.where(badge: @badge, user: @user).maximum(:seq)
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seq = (seq || -1) + 1
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end
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user_badge = UserBadge.create!(badge: @badge,
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user: @user,
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granted_by: @granted_by,
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granted_at: Time.now,
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post_id: @post_id,
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seq: seq)
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if @granted_by != Discourse.system_user
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StaffActionLogger.new(@granted_by).log_badge_grant(user_badge)
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end
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if SiteSetting.enable_badges?
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I18n.with_locale(@user.effective_locale) do
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notification = @user.notifications.create(
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notification_type: Notification.types[:granted_badge],
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data: { badge_id: @badge.id,
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badge_name: @badge.display_name,
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badge_slug: @badge.slug,
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username: @user.username}.to_json
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)
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user_badge.update_attributes notification_id: notification.id
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end
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end
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end
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end
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user_badge
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end
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def self.revoke(user_badge, options={})
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UserBadge.transaction do
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user_badge.destroy!
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if options[:revoked_by]
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StaffActionLogger.new(options[:revoked_by]).log_badge_revoke(user_badge)
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end
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# If the user's title is the same as the badge name, remove their title.
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if user_badge.user.title == user_badge.badge.name
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user_badge.user.title = nil
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user_badge.user.save!
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end
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end
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end
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def self.queue_badge_grant(type,opt)
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return unless SiteSetting.enable_badges
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payload = nil
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case type
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when Badge::Trigger::PostRevision
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post = opt[:post]
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payload = {
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type: "PostRevision",
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post_ids: [post.id]
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}
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when Badge::Trigger::UserChange
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user = opt[:user]
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payload = {
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type: "UserChange",
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user_ids: [user.id]
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}
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when Badge::Trigger::TrustLevelChange
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user = opt[:user]
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payload = {
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type: "TrustLevelChange",
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user_ids: [user.id]
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}
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when Badge::Trigger::PostAction
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action = opt[:post_action]
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payload = {
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type: "PostAction",
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post_ids: [action.post_id, action.related_post_id].compact!
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}
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end
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$redis.lpush queue_key, payload.to_json if payload
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end
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def self.clear_queue!
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$redis.del queue_key
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end
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def self.process_queue!
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limit = 1000
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items = []
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while limit > 0 && item = $redis.lpop(queue_key)
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items << JSON.parse(item)
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limit -= 1
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end
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items = items.group_by{|i| i["type"]}
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items.each do |type, list|
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post_ids = list.map{|i| i["post_ids"]}.flatten.compact.uniq
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user_ids = list.map{|i| i["user_ids"]}.flatten.compact.uniq
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next unless post_ids.present? || user_ids.present?
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find_by_type(type).each{ |badge|
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backfill(badge, post_ids: post_ids, user_ids: user_ids)
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}
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end
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end
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def self.find_by_type(type)
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id = "Badge::Trigger::#{type}".constantize
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Badge.where(trigger: id)
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end
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def self.queue_key
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"badge_queue".freeze
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end
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# Options:
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# :target_posts - whether the badge targets posts
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# :trigger - the Badge::Trigger id
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def self.contract_checks!(sql, opts = {})
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return unless sql.present?
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if Badge::Trigger.uses_post_ids?(opts[:trigger])
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raise("Contract violation:\nQuery triggers on posts, but does not reference the ':post_ids' array") unless sql.match(/:post_ids/)
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raise "Contract violation:\nQuery triggers on posts, but references the ':user_ids' array" if sql.match(/:user_ids/)
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end
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if Badge::Trigger.uses_user_ids?(opts[:trigger])
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raise "Contract violation:\nQuery triggers on users, but does not reference the ':user_ids' array" unless sql.match(/:user_ids/)
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raise "Contract violation:\nQuery triggers on users, but references the ':post_ids' array" if sql.match(/:post_ids/)
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end
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if opts[:trigger] && !Badge::Trigger.is_none?(opts[:trigger])
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raise "Contract violation:\nQuery is triggered, but does not reference the ':backfill' parameter.\n(Hint: if :backfill is TRUE, you should ignore the :post_ids/:user_ids)" unless sql.match(/:backfill/)
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end
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# TODO these three conditions have a lot of false negatives
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if opts[:target_posts]
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raise "Contract violation:\nQuery targets posts, but does not return a 'post_id' column" unless sql.match(/post_id/)
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end
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raise "Contract violation:\nQuery does not return a 'user_id' column" unless sql.match(/user_id/)
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raise "Contract violation:\nQuery does not return a 'granted_at' column" unless sql.match(/granted_at/)
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raise "Contract violation:\nQuery ends with a semicolon. Remove the semicolon; your sql will be used in a subquery." if sql.match(/;\s*\z/)
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end
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# Options:
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# :target_posts - whether the badge targets posts
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# :trigger - the Badge::Trigger id
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# :explain - return the EXPLAIN query
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def self.preview(sql, opts = {})
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params = {user_ids: [], post_ids: [], backfill: true}
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BadgeGranter.contract_checks!(sql, opts)
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# hack to allow for params, otherwise sanitizer will trigger sprintf
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count_sql = "SELECT COUNT(*) count FROM (#{sql}) q WHERE :backfill = :backfill"
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grant_count = SqlBuilder.map_exec(OpenStruct, count_sql, params).first.count.to_i
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grants_sql =
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if opts[:target_posts]
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"SELECT u.id, u.username, q.post_id, t.title, q.granted_at
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FROM(#{sql}) q
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JOIN users u on u.id = q.user_id
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LEFT JOIN badge_posts p on p.id = q.post_id
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LEFT JOIN topics t on t.id = p.topic_id
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WHERE :backfill = :backfill
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LIMIT 10"
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else
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"SELECT u.id, u.username, q.granted_at
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FROM(#{sql}) q
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JOIN users u on u.id = q.user_id
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WHERE :backfill = :backfill
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LIMIT 10"
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end
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query_plan = nil
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# HACK: active record is weird, force it to go down the sanitization path that cares not for % stuff
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query_plan = ActiveRecord::Base.exec_sql("EXPLAIN #{sql} /*:backfill*/", params) if opts[:explain]
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sample = SqlBuilder.map_exec(OpenStruct, grants_sql, params).map(&:to_h)
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sample.each do |result|
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raise "Query returned a non-existent user ID:\n#{result[:id]}" unless User.find(result[:id]).present?
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raise "Query did not return a badge grant time\n(Try using 'current_timestamp granted_at')" unless result[:granted_at]
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if opts[:target_posts]
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raise "Query did not return a post ID" unless result[:post_id]
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raise "Query returned a non-existent post ID:\n#{result[:post_id]}" unless Post.find(result[:post_id]).present?
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end
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end
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{grant_count: grant_count, sample: sample, query_plan: query_plan}
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rescue => e
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{errors: e.message}
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end
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MAX_ITEMS_FOR_DELTA = 200
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def self.backfill(badge, opts=nil)
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return unless SiteSetting.enable_badges
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return unless badge.query.present? && badge.enabled
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post_ids = user_ids = nil
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post_ids = opts[:post_ids] if opts
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user_ids = opts[:user_ids] if opts
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# safeguard fall back to full backfill if more than 200
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if (post_ids && post_ids.length > MAX_ITEMS_FOR_DELTA) ||
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(user_ids && user_ids.length > MAX_ITEMS_FOR_DELTA)
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post_ids = nil
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user_ids = nil
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end
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post_ids = nil unless post_ids.present?
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user_ids = nil unless user_ids.present?
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full_backfill = !user_ids && !post_ids
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post_clause = badge.target_posts ? "AND (q.post_id = ub.post_id OR NOT :multiple_grant)" : ""
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post_id_field = badge.target_posts ? "q.post_id" : "NULL"
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sql = "DELETE FROM user_badges
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WHERE id in (
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SELECT ub.id
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FROM user_badges ub
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LEFT JOIN ( #{badge.query} ) q
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ON q.user_id = ub.user_id
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#{post_clause}
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WHERE ub.badge_id = :id AND q.user_id IS NULL
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)"
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Badge.exec_sql(sql, id: badge.id,
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post_ids: [-1],
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user_ids: [-2],
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backfill: true,
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multiple_grant: true # cheat here, cause we only run on backfill and are deleting
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) if badge.auto_revoke && full_backfill
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sql = " WITH w as (
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INSERT INTO user_badges(badge_id, user_id, granted_at, granted_by_id, post_id)
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SELECT :id, q.user_id, q.granted_at, -1, #{post_id_field}
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FROM ( #{badge.query} ) q
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LEFT JOIN user_badges ub ON
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ub.badge_id = :id AND ub.user_id = q.user_id
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#{post_clause}
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/*where*/
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RETURNING id, user_id, granted_at
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)
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select w.*, username FROM w
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JOIN users u on u.id = w.user_id
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"
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builder = SqlBuilder.new(sql)
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builder.where("ub.badge_id IS NULL AND q.user_id <> -1")
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if (post_ids || user_ids) && !badge.query.include?(":backfill")
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Rails.logger.warn "Your triggered badge query for #{badge.name} does not include the :backfill param, skipping!"
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return
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end
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if (post_ids && !badge.query.include?(":post_ids"))
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Rails.logger.warn "Your triggered badge query for #{badge.name} does not include the :post_ids param, skipping!"
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return
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end
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if (user_ids && !badge.query.include?(":user_ids"))
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Rails.logger.warn "Your triggered badge query for #{badge.name} does not include the :user_ids param, skipping!"
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return
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end
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builder.map_exec(OpenStruct, id: badge.id,
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multiple_grant: badge.multiple_grant,
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backfill: full_backfill,
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post_ids: post_ids || [-2],
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user_ids: user_ids || [-2]).each do |row|
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# old bronze badges do not matter
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next if badge.badge_type_id == BadgeType::Bronze and row.granted_at < 2.days.ago
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notification = Notification.create!(
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user_id: row.user_id,
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notification_type: Notification.types[:granted_badge],
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data: {
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badge_id: badge.id,
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badge_name: badge.name,
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badge_slug: badge.slug,
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username: row.username
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}.to_json )
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Badge.exec_sql("UPDATE user_badges SET notification_id = :notification_id WHERE id = :id",
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notification_id: notification.id,
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id: row.id
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)
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end
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badge.reset_grant_count!
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end
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def self.revoke_ungranted_titles!
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Badge.exec_sql("UPDATE users SET title = ''
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WHERE NOT title IS NULL AND
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title <> '' AND
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EXISTS (
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SELECT 1
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FROM user_profiles
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WHERE user_id = users.id AND badge_granted_title
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) AND
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title NOT IN (
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SELECT name
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FROM badges
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WHERE allow_title AND enabled AND
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badges.id IN (SELECT badge_id FROM user_badges ub where ub.user_id = users.id)
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)
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")
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end
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end
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