410 lines
17 KiB
Ruby
410 lines
17 KiB
Ruby
class UserMerger
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def initialize(source_user, target_user, acting_user = nil)
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@source_user = source_user
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@target_user = target_user
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@acting_user = acting_user
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@source_primary_email = source_user.email
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end
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def merge!
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update_username
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move_posts
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update_user_ids
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merge_given_daily_likes
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merge_post_timings
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merge_user_visits
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update_site_settings
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merge_user_attributes
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DiscourseEvent.trigger(:merging_users, @source_user, @target_user)
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update_user_stats
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delete_source_user
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delete_source_user_references
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log_merge
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end
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protected
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def update_username
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UsernameChanger.update_username(user_id: @source_user.id,
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old_username: @source_user.username,
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new_username: @target_user.username,
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avatar_template: @target_user.avatar_template,
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asynchronous: false)
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end
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def move_posts
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posts = Post.with_deleted
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.where(user_id: @source_user.id)
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.order(:topic_id, :post_number)
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.pluck(:topic_id, :id)
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last_topic_id = nil
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post_ids = []
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posts.each do |current_topic_id, current_post_id|
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if last_topic_id != current_topic_id && post_ids.any?
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change_post_owner(last_topic_id, post_ids)
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post_ids = []
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end
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last_topic_id = current_topic_id
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post_ids << current_post_id
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end
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change_post_owner(last_topic_id, post_ids) if post_ids.any?
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end
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def change_post_owner(topic_id, post_ids)
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PostOwnerChanger.new(
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topic_id: topic_id,
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post_ids: post_ids,
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new_owner: @target_user,
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acting_user: Discourse.system_user,
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skip_revision: true
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).change_owner!
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end
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def merge_given_daily_likes
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sql = <<~SQL
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INSERT INTO given_daily_likes AS g (user_id, likes_given, given_date, limit_reached)
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SELECT
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:target_user_id AS user_id,
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COUNT(1) AS likes_given,
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a.created_at::DATE AS given_date,
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COUNT(1) >= :max_likes_per_day AS limit_reached
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FROM post_actions AS a
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WHERE a.user_id = :target_user_id
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AND a.deleted_at IS NULL
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AND EXISTS(
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SELECT 1
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FROM given_daily_likes AS g
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WHERE g.user_id = :source_user_id AND a.created_at::DATE = g.given_date
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)
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GROUP BY given_date
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ON CONFLICT (user_id, given_date)
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DO UPDATE
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SET likes_given = EXCLUDED.likes_given,
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limit_reached = EXCLUDED.limit_reached
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SQL
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DB.exec(
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sql,
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source_user_id: @source_user.id,
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target_user_id: @target_user.id,
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max_likes_per_day: SiteSetting.max_likes_per_day,
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action_type_id: PostActionType.types[:like]
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)
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end
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def merge_post_timings
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update_user_id(:post_timings, conditions: ["x.topic_id = y.topic_id",
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"x.post_number = y.post_number"])
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sql = <<~SQL
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UPDATE post_timings AS t
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SET msecs = t.msecs + s.msecs
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FROM post_timings AS s
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WHERE t.user_id = :target_user_id AND s.user_id = :source_user_id
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AND t.topic_id = s.topic_id AND t.post_number = s.post_number
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SQL
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DB.exec(sql, source_user_id: @source_user.id, target_user_id: @target_user.id)
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end
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def merge_user_visits
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update_user_id(:user_visits, conditions: "x.visited_at = y.visited_at")
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sql = <<~SQL
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UPDATE user_visits AS t
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SET posts_read = t.posts_read + s.posts_read,
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mobile = t.mobile OR s.mobile,
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time_read = t.time_read + s.time_read
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FROM user_visits AS s
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WHERE t.user_id = :target_user_id AND s.user_id = :source_user_id
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AND t.visited_at = s.visited_at
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SQL
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DB.exec(sql, source_user_id: @source_user.id, target_user_id: @target_user.id)
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end
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def update_site_settings
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SiteSetting.all_settings(true).each do |setting|
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if setting[:type] == "username" && setting[:value] == @source_user.username
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SiteSetting.set_and_log(setting[:setting], @target_user.username)
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end
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end
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end
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def update_user_stats
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# topics_entered
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DB.exec(<<~SQL, target_user_id: @target_user.id)
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UPDATE user_stats
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SET topics_entered = (
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SELECT COUNT(topic_id)
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FROM topic_views
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WHERE user_id = :target_user_id
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)
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WHERE user_id = :target_user_id
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SQL
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# time_read and days_visited
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DB.exec(<<~SQL, target_user_id: @target_user.id)
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UPDATE user_stats
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SET time_read = COALESCE(x.time_read, 0),
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days_visited = COALESCE(x.days_visited, 0)
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FROM (
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SELECT
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SUM(time_read) AS time_read,
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COUNT(1) AS days_visited
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FROM user_visits
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WHERE user_id = :target_user_id
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) AS x
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WHERE user_id = :target_user_id
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SQL
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# posts_read_count
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DB.exec(<<~SQL, target_user_id: @target_user.id)
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UPDATE user_stats
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SET posts_read_count = (
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SELECT COUNT(1)
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FROM post_timings AS pt
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WHERE pt.user_id = :target_user_id AND EXISTS(
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SELECT 1
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FROM topics AS t
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WHERE t.archetype = 'regular' AND t.deleted_at IS NULL
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))
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WHERE user_id = :target_user_id
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SQL
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# likes_given, likes_received, new_since, read_faq, first_post_created_at
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DB.exec(<<~SQL, source_user_id: @source_user.id, target_user_id: @target_user.id)
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UPDATE user_stats AS t
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SET likes_given = t.likes_given + s.likes_given,
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likes_received = t.likes_received + s.likes_received,
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new_since = LEAST(t.new_since, s.new_since),
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read_faq = LEAST(t.read_faq, s.read_faq),
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first_post_created_at = LEAST(t.first_post_created_at, s.first_post_created_at)
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FROM user_stats AS s
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WHERE t.user_id = :target_user_id AND s.user_id = :source_user_id
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SQL
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end
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def merge_user_attributes
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DB.exec(<<~SQL, source_user_id: @source_user.id, target_user_id: @target_user.id)
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UPDATE users AS t
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SET created_at = LEAST(t.created_at, s.created_at),
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updated_at = LEAST(t.updated_at, s.updated_at),
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seen_notification_id = GREATEST(t.seen_notification_id, s.seen_notification_id),
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last_posted_at = GREATEST(t.last_seen_at, s.last_seen_at),
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last_seen_at = GREATEST(t.last_seen_at, s.last_seen_at),
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admin = t.admin OR s.admin,
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last_emailed_at = GREATEST(t.last_emailed_at, s.last_emailed_at),
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trust_level = GREATEST(t.trust_level, s.trust_level),
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previous_visit_at = GREATEST(t.previous_visit_at, s.previous_visit_at),
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date_of_birth = COALESCE(t.date_of_birth, s.date_of_birth),
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ip_address = COALESCE(t.ip_address, s.ip_address),
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moderator = t.moderator OR s.moderator,
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title = COALESCE(t.title, s.title),
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primary_group_id = COALESCE(t.primary_group_id, s.primary_group_id),
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registration_ip_address = COALESCE(t.registration_ip_address, s.registration_ip_address),
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first_seen_at = LEAST(t.first_seen_at, s.first_seen_at),
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manual_locked_trust_level = GREATEST(t.manual_locked_trust_level, s.manual_locked_trust_level)
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FROM users AS s
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WHERE t.id = :target_user_id AND s.id = :source_user_id
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SQL
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DB.exec(<<~SQL, source_user_id: @source_user.id, target_user_id: @target_user.id)
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UPDATE user_profiles AS t
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SET location = COALESCE(t.location, s.location),
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website = COALESCE(t.website, s.website),
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bio_raw = COALESCE(t.bio_raw, s.bio_raw),
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bio_cooked = COALESCE(t.bio_cooked, s.bio_cooked),
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bio_cooked_version = COALESCE(t.bio_cooked_version, s.bio_cooked_version),
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profile_background = COALESCE(t.profile_background, s.profile_background),
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dismissed_banner_key = COALESCE(t.dismissed_banner_key, s.dismissed_banner_key),
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badge_granted_title = t.badge_granted_title OR s.badge_granted_title,
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card_background = COALESCE(t.card_background, s.card_background),
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views = t.views + s.views
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FROM user_profiles AS s
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WHERE t.user_id = :target_user_id AND s.user_id = :source_user_id
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SQL
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end
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def update_user_ids
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Category.where(user_id: @source_user.id).update_all(user_id: @target_user.id)
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update_user_id(:category_users, conditions: ["x.category_id = y.category_id"])
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update_user_id(:developers)
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update_user_id(:draft_sequences, conditions: "x.draft_key = y.draft_key")
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update_user_id(:drafts, conditions: "x.draft_key = y.draft_key")
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EmailLog.where(user_id: @source_user.id).update_all(user_id: @target_user.id)
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GroupHistory.where(acting_user_id: @source_user.id).update_all(acting_user_id: @target_user.id)
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GroupHistory.where(target_user_id: @source_user.id).update_all(target_user_id: @target_user.id)
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update_user_id(:group_users, conditions: "x.group_id = y.group_id")
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IncomingEmail.where(user_id: @source_user.id).update_all(user_id: @target_user.id)
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IncomingLink.where(user_id: @source_user.id).update_all(user_id: @target_user.id)
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IncomingLink.where(current_user_id: @source_user.id).update_all(current_user_id: @target_user.id)
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Invite.with_deleted.where(user_id: @source_user.id).update_all(user_id: @target_user.id)
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Invite.with_deleted.where(invited_by_id: @source_user.id).update_all(invited_by_id: @target_user.id)
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Invite.with_deleted.where(deleted_by_id: @source_user.id).update_all(deleted_by_id: @target_user.id)
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update_user_id(:muted_users, conditions: "x.muted_user_id = y.muted_user_id")
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update_user_id(:muted_users, user_id_column_name: "muted_user_id", conditions: "x.user_id = y.user_id")
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update_user_id(:ignored_users, conditions: "x.ignored_user_id = y.ignored_user_id")
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update_user_id(:ignored_users, user_id_column_name: "ignored_user_id", conditions: "x.user_id = y.user_id")
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Notification.where(user_id: @source_user.id).update_all(user_id: @target_user.id)
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update_user_id(:post_actions, conditions: ["x.post_id = y.post_id",
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"x.post_action_type_id = y.post_action_type_id",
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"x.targets_topic = y.targets_topic"])
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PostAction.where(deleted_by_id: @source_user.id).update_all(deleted_by_id: @target_user.id)
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PostAction.where(deferred_by_id: @source_user.id).update_all(deferred_by_id: @target_user.id)
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PostAction.where(agreed_by_id: @source_user.id).update_all(agreed_by_id: @target_user.id)
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PostAction.where(disagreed_by_id: @source_user.id).update_all(disagreed_by_id: @target_user.id)
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PostRevision.where(user_id: @source_user.id).update_all(user_id: @target_user.id)
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Post.with_deleted.where(deleted_by_id: @source_user.id).update_all(deleted_by_id: @target_user.id)
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Post.with_deleted.where(last_editor_id: @source_user.id).update_all(last_editor_id: @target_user.id)
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Post.with_deleted.where(locked_by_id: @source_user.id).update_all(locked_by_id: @target_user.id)
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Post.with_deleted.where(reply_to_user_id: @source_user.id).update_all(reply_to_user_id: @target_user.id)
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Reviewable.where(created_by_id: @source_user.id).update_all(created_by_id: @target_user.id)
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ReviewableHistory.where(created_by_id: @source_user.id).update_all(created_by_id: @target_user.id)
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SearchLog.where(user_id: @source_user.id).update_all(user_id: @target_user.id)
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update_user_id(:tag_users, conditions: "x.tag_id = y.tag_id")
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Theme.where(user_id: @source_user.id).update_all(user_id: @target_user.id)
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update_user_id(:topic_allowed_users, conditions: "x.topic_id = y.topic_id")
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TopicEmbed.with_deleted.where(deleted_by_id: @source_user.id).update_all(deleted_by_id: @target_user.id)
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TopicLink.where(user_id: @source_user.id).update_all(user_id: @target_user.id)
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TopicLinkClick.where(user_id: @source_user.id).update_all(user_id: @target_user.id)
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TopicTimer.with_deleted.where(deleted_by_id: @source_user.id).update_all(deleted_by_id: @target_user.id)
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update_user_id(:topic_timers, conditions: ["x.status_type = y.status_type",
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"x.topic_id = y.topic_id",
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"y.deleted_at IS NULL"])
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update_user_id(:topic_users, conditions: "x.topic_id = y.topic_id")
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update_user_id(:topic_views, conditions: "x.topic_id = y.topic_id")
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Topic.with_deleted.where(deleted_by_id: @source_user.id).update_all(deleted_by_id: @target_user.id)
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UnsubscribeKey.where(user_id: @source_user.id).update_all(user_id: @target_user.id)
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Upload.where(user_id: @source_user.id).update_all(user_id: @target_user.id)
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update_user_id(:user_archived_messages, conditions: "x.topic_id = y.topic_id")
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update_user_id(:user_actions,
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user_id_column_name: "user_id",
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conditions: ["x.action_type = y.action_type",
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"x.target_topic_id IS NOT DISTINCT FROM y.target_topic_id",
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"x.target_post_id IS NOT DISTINCT FROM y.target_post_id",
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"(x.acting_user_id IN (:source_user_id, :target_user_id) OR x.acting_user_id IS NOT DISTINCT FROM y.acting_user_id)"])
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update_user_id(:user_actions,
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user_id_column_name: "acting_user_id",
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conditions: ["x.action_type = y.action_type",
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"x.user_id = y.user_id",
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"x.target_topic_id IS NOT DISTINCT FROM y.target_topic_id",
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"x.target_post_id IS NOT DISTINCT FROM y.target_post_id"])
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update_user_id(:user_badges, conditions: ["x.badge_id = y.badge_id",
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"x.seq = y.seq",
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"x.post_id IS NOT DISTINCT FROM y.post_id"])
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UserBadge.where(granted_by_id: @source_user.id).update_all(granted_by_id: @target_user.id)
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update_user_id(:user_custom_fields, conditions: "x.name = y.name")
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update_user_id(:user_emails, conditions: "x.email = y.email OR y.primary = false", updates: '"primary" = false')
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UserExport.where(user_id: @source_user.id).update_all(user_id: @target_user.id)
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UserHistory.where(target_user_id: @source_user.id).update_all(target_user_id: @target_user.id)
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UserHistory.where(acting_user_id: @source_user.id).update_all(acting_user_id: @target_user.id)
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UserProfileView.where(user_profile_id: @source_user.id).update_all(user_profile_id: @target_user.id)
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UserProfileView.where(user_id: @source_user.id).update_all(user_id: @target_user.id)
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UserWarning.where(user_id: @source_user.id).update_all(user_id: @target_user.id)
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UserWarning.where(created_by_id: @source_user.id).update_all(created_by_id: @target_user.id)
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User.where(approved_by_id: @source_user.id).update_all(approved_by_id: @target_user.id)
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end
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def delete_source_user
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@source_user.reload
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@source_user.update(
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admin: false,
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email: "#{@source_user.username}_#{SecureRandom.hex}@no-email.invalid"
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)
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UserDestroyer.new(Discourse.system_user).destroy(@source_user, quiet: true)
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end
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def delete_source_user_references
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Developer.where(user_id: @source_user.id).delete_all
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DraftSequence.where(user_id: @source_user.id).delete_all
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GivenDailyLike.where(user_id: @source_user.id).delete_all
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MutedUser.where(user_id: @source_user.id).or(MutedUser.where(muted_user_id: @source_user.id)).delete_all
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IgnoredUser.where(user_id: @source_user.id).or(IgnoredUser.where(ignored_user_id: @source_user.id)).delete_all
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UserAuthTokenLog.where(user_id: @source_user.id).delete_all
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UserAvatar.where(user_id: @source_user.id).delete_all
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UserAction.where(acting_user_id: @source_user.id).delete_all
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end
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def log_merge
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logger = StaffActionLogger.new(@acting_user || Discourse.system_user)
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logger.log_user_merge(@target_user, @source_user.username, @source_primary_email)
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end
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def update_user_id(table_name, opts = {})
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builder = update_user_id_sql_builder(table_name, opts)
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builder.exec(source_user_id: @source_user.id, target_user_id: @target_user.id)
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end
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def update_user_id_sql_builder(table_name, opts = {})
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user_id_column_name = opts[:user_id_column_name] || :user_id
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conditions = Array.wrap(opts[:conditions])
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updates = Array.wrap(opts[:updates])
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builder = DB.build(<<~SQL)
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UPDATE #{table_name} AS x
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/*set*/
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WHERE x.#{user_id_column_name} = :source_user_id AND NOT EXISTS(
|
|
SELECT 1
|
|
FROM #{table_name} AS y
|
|
/*where*/
|
|
)
|
|
SQL
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|
|
|
builder.set("#{user_id_column_name} = :target_user_id")
|
|
updates.each { |u| builder.set(u) }
|
|
|
|
builder.where("y.#{user_id_column_name} = :target_user_id")
|
|
conditions.each { |c| builder.where(c) }
|
|
|
|
builder
|
|
end
|
|
end
|