discourse/app/services/badge_granter.rb

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# frozen_string_literal: true
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class BadgeGranter
class GrantError < StandardError
end
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def self.disable_queue
@queue_disabled = true
end
def self.enable_queue
@queue_disabled = false
end
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def initialize(badge, user, opts = {})
@badge, @user, @opts = badge, user, opts
@granted_by = opts[:granted_by] || Discourse.system_user
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@post_id = opts[:post_id]
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end
def self.grant(badge, user, opts = {})
BadgeGranter.new(badge, user, opts).grant
end
def self.enqueue_mass_grant_for_users(
badge,
emails: [],
usernames: [],
ensure_users_have_badge_once: true
)
emails = emails.map(&:downcase)
usernames = usernames.map(&:downcase)
usernames_map_to_ids = {}
emails_map_to_ids = {}
if usernames.size > 0
usernames_map_to_ids = User.where(username_lower: usernames).pluck(:username_lower, :id).to_h
end
if emails.size > 0
emails_map_to_ids = User.with_email(emails).pluck("LOWER(user_emails.email)", :id).to_h
end
count_per_user = {}
unmatched = Set.new
(usernames + emails).each do |entry|
id = usernames_map_to_ids[entry] || emails_map_to_ids[entry]
if id.blank?
unmatched << entry
next
end
if ensure_users_have_badge_once
count_per_user[id] = 1
else
count_per_user[id] ||= 0
count_per_user[id] += 1
end
end
existing_owners_ids = []
if ensure_users_have_badge_once
existing_owners_ids = UserBadge.where(badge: badge).distinct.pluck(:user_id)
end
count_per_user.each do |user_id, count|
next if ensure_users_have_badge_once && existing_owners_ids.include?(user_id)
Jobs.enqueue(:mass_award_badge, user: user_id, badge: badge.id, count: count)
end
{
unmatched_entries: unmatched.to_a,
matched_users_count: count_per_user.size,
unmatched_entries_count: unmatched.size,
}
end
def self.mass_grant(badge, user, count:)
return if !badge.enabled?
raise ArgumentError.new("count can't be less than 1") if count < 1
UserBadge.transaction do
DB.exec(
<<~SQL * count,
INSERT INTO user_badges
(granted_at, created_at, granted_by_id, user_id, badge_id, seq)
VALUES
(
:now,
:now,
:system,
:user_id,
:badge_id,
COALESCE((
SELECT MAX(seq) + 1
FROM user_badges
WHERE badge_id = :badge_id AND user_id = :user_id
), 0)
);
SQL
now: Time.zone.now,
system: Discourse.system_user.id,
user_id: user.id,
badge_id: badge.id,
)
notification = send_notification(user.id, user.username, user.locale, badge)
DB.exec(<<~SQL, notification_id: notification.id, user_id: user.id, badge_id: badge.id)
UPDATE user_badges
SET notification_id = :notification_id
WHERE notification_id IS NULL AND user_id = :user_id AND badge_id = :badge_id
SQL
UserBadge.update_featured_ranks!(user.id)
end
end
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def grant
return if @granted_by && !Guardian.new(@granted_by).can_grant_badges?(@user)
return unless @badge.present? && @badge.enabled?
return if @user.blank?
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find_by = { badge_id: @badge.id, user_id: @user.id }
find_by[:post_id] = @post_id if @badge.multiple_grant?
user_badge = UserBadge.find_by(find_by)
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if user_badge.nil? || (@badge.multiple_grant? && @post_id.nil?)
UserBadge.transaction do
seq = 0
if @badge.multiple_grant?
seq = UserBadge.where(badge: @badge, user: @user).maximum(:seq)
seq = (seq || -1) + 1
end
user_badge =
UserBadge.create!(
badge: @badge,
user: @user,
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granted_by: @granted_by,
granted_at: @opts[:created_at] || Time.now,
post_id: @post_id,
seq: seq,
)
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return unless SiteSetting.enable_badges
if @granted_by != Discourse.system_user
StaffActionLogger.new(@granted_by).log_badge_grant(user_badge)
end
skip_new_user_tips = @user.user_option.skip_new_user_tips
unless self.class.suppress_notification?(@badge, user_badge.granted_at, skip_new_user_tips)
notification =
self.class.send_notification(@user.id, @user.username, @user.effective_locale, @badge)
user_badge.update!(notification_id: notification.id)
end
end
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end
user_badge
end
def self.revoke(user_badge, options = {})
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UserBadge.transaction do
user_badge.destroy!
if options[:revoked_by]
StaffActionLogger.new(options[:revoked_by]).log_badge_revoke(user_badge)
end
FIX: Badge and user title interaction fixes (#8282) * Fix user title logic when badge name customized * Fix an issue where a user's title was not considered a badge granted title when the user used a badge for their title and the badge name was customized. this affected the effectiveness of revoke_ungranted_titles! which only operates on badge_granted_titles. * When a user's title is set now it is considered a badge_granted_title if the badge name OR the badge custom name from TranslationOverride is the same as the title * When a user's badge is revoked we now also revoke their title if the user's title matches the badge name OR the badge custom name from TranslationOverride * Add a user history log when the title is revoked to remove confusion about why titles are revoked * Add granted_title_badge_id to user_profile, now when we set badge_granted_title on a user profile when updating a user's title based on a badge, we also remember which badge matched the title * When badge name (or custom text) changes update titles of users in a background job * When the name of a badge changes, or in the case of system badges when their custom translation text changes, then we need to update the title of all corresponding users who have a badge_granted_title and matching granted_title_badge_id. In the case of system badges we need to first get the proper badge ID based on the translation key e.g. badges.regular.name * Add migration to backfill all granted_title_badge_ids for both normal badge name titles and titles using custom badge text.
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# If the user's title is the same as the badge name OR the custom badge name, remove their title.
custom_badge_name =
TranslationOverride.find_by(translation_key: user_badge.badge.translation_key)&.value
user_title_is_badge_name = user_badge.user.title == user_badge.badge.name
user_title_is_custom_badge_name =
custom_badge_name.present? && user_badge.user.title == custom_badge_name
if user_title_is_badge_name || user_title_is_custom_badge_name
if options[:revoked_by]
StaffActionLogger.new(options[:revoked_by]).log_title_revoke(
user_badge.user,
revoke_reason: "user title was same as revoked badge name or custom badge name",
previous_value: user_badge.user.title,
)
end
user_badge.user.title = nil
user_badge.user.save!
end
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end
end
def self.revoke_all(badge)
custom_badge_names =
TranslationOverride.where(translation_key: badge.translation_key).pluck(:value)
users =
User.joins(:user_badges).where(user_badges: { badge_id: badge.id }).where(title: badge.name)
users =
users.or(
User.joins(:user_badges).where(title: custom_badge_names),
) unless custom_badge_names.empty?
users.update_all(title: nil)
UserBadge.where(badge: badge).delete_all
end
def self.queue_badge_grant(type, opt)
return if !SiteSetting.enable_badges || @queue_disabled
payload = nil
case type
when Badge::Trigger::PostRevision
post = opt[:post]
payload = { type: "PostRevision", post_ids: [post.id] }
when Badge::Trigger::UserChange
user = opt[:user]
payload = { type: "UserChange", user_ids: [user.id] }
when Badge::Trigger::TrustLevelChange
user = opt[:user]
payload = { type: "TrustLevelChange", user_ids: [user.id] }
when Badge::Trigger::PostAction
action = opt[:post_action]
payload = { type: "PostAction", post_ids: [action.post_id, action.related_post_id].compact! }
end
Discourse.redis.lpush queue_key, payload.to_json if payload
end
def self.clear_queue!
Discourse.redis.del queue_key
end
def self.process_queue!
limit = 1000
items = []
while limit > 0 && item = Discourse.redis.lpop(queue_key)
items << JSON.parse(item)
limit -= 1
end
items = items.group_by { |i| i["type"] }
items.each do |type, list|
post_ids = list.flat_map { |i| i["post_ids"] }.compact.uniq
user_ids = list.flat_map { |i| i["user_ids"] }.compact.uniq
next if post_ids.blank? && user_ids.blank?
find_by_type(type).each { |badge| backfill(badge, post_ids: post_ids, user_ids: user_ids) }
end
end
def self.find_by_type(type)
Badge.where(trigger: "Badge::Trigger::#{type}".constantize)
end
def self.queue_key
"badge_queue"
end
# Options:
# :target_posts - whether the badge targets posts
# :trigger - the Badge::Trigger id
def self.contract_checks!(sql, opts = {})
return if sql.blank?
if Badge::Trigger.uses_post_ids?(opts[:trigger])
unless sql.match(/:post_ids/)
raise(
"Contract violation:\nQuery triggers on posts, but does not reference the ':post_ids' array",
)
end
if sql.match(/:user_ids/)
raise "Contract violation:\nQuery triggers on posts, but references the ':user_ids' array"
end
end
if Badge::Trigger.uses_user_ids?(opts[:trigger])
unless sql.match(/:user_ids/)
raise "Contract violation:\nQuery triggers on users, but does not reference the ':user_ids' array"
end
if sql.match(/:post_ids/)
raise "Contract violation:\nQuery triggers on users, but references the ':post_ids' array"
end
end
if opts[:trigger] && !Badge::Trigger.is_none?(opts[:trigger])
unless sql.match(/:backfill/)
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)"
end
end
# TODO these three conditions have a lot of false negatives
if opts[:target_posts]
unless sql.match(/post_id/)
raise "Contract violation:\nQuery targets posts, but does not return a 'post_id' column"
end
end
unless sql.match(/user_id/)
raise "Contract violation:\nQuery does not return a 'user_id' column"
end
unless sql.match(/granted_at/)
raise "Contract violation:\nQuery does not return a 'granted_at' column"
end
if sql.match(/;\s*\z/)
raise "Contract violation:\nQuery ends with a semicolon. Remove the semicolon; your sql will be used in a subquery."
end
end
# Options:
# :target_posts - whether the badge targets posts
# :trigger - the Badge::Trigger id
# :explain - return the EXPLAIN query
def self.preview(sql, opts = {})
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
count_sql = <<~SQL
SELECT COUNT(*) count
FROM (
#{sql}
) q
WHERE :backfill = :backfill
SQL
grant_count = DB.query_single(count_sql, params).first.to_i
grants_sql =
if opts[:target_posts]
<<~SQL
SELECT u.id, u.username, q.post_id, t.title, q.granted_at
FROM (
#{sql}
) q
JOIN users u on u.id = q.user_id
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
WHERE :backfill = :backfill
LIMIT 10
SQL
else
<<~SQL
SELECT u.id, u.username, q.granted_at
FROM (
#{sql}
) q
JOIN users u on u.id = q.user_id
WHERE :backfill = :backfill
LIMIT 10
SQL
end
query_plan = nil
# HACK: active record sanitization too flexible, force it to go down the sanitization path that cares not for % stuff
# note mini_sql uses AR sanitizer at the moment (review if changed)
query_plan = DB.query_hash("EXPLAIN #{sql} /*:backfill*/", params) if opts[:explain]
sample = DB.query(grants_sql, params)
sample.each do |result|
unless User.exists?(id: result.id)
raise "Query returned a non-existent user ID:\n#{result.id}"
end
unless result.granted_at
raise "Query did not return a badge grant time\n(Try using 'current_timestamp granted_at')"
end
if opts[:target_posts]
raise "Query did not return a post ID" unless result.post_id
if Post.exists?(result.post_id).blank?
raise "Query returned a non-existent post ID:\n#{result.post_id}"
end
end
end
{ grant_count: grant_count, sample: sample, query_plan: query_plan }
rescue => e
{ errors: e.message }
end
MAX_ITEMS_FOR_DELTA ||= 200
def self.backfill(badge, opts = nil)
return unless SiteSetting.enable_badges
return unless badge.enabled
return if badge.query.blank?
post_ids = user_ids = nil
post_ids = opts[:post_ids] if opts
user_ids = opts[:user_ids] if opts
# safeguard fall back to full backfill if more than 200
if (post_ids && post_ids.size > MAX_ITEMS_FOR_DELTA) ||
(user_ids && user_ids.size > MAX_ITEMS_FOR_DELTA)
post_ids = nil
user_ids = nil
end
post_ids = nil if post_ids.blank?
user_ids = nil if user_ids.blank?
full_backfill = !user_ids && !post_ids
post_clause = badge.target_posts ? "AND (q.post_id = ub.post_id OR NOT :multiple_grant)" : ""
post_id_field = badge.target_posts ? "q.post_id" : "NULL"
sql = <<~SQL
DELETE FROM user_badges
WHERE id IN (
SELECT ub.id
FROM user_badges ub
LEFT JOIN (
#{badge.query}
) q ON q.user_id = ub.user_id
#{post_clause}
WHERE ub.badge_id = :id AND q.user_id IS NULL
)
SQL
if badge.auto_revoke && full_backfill
DB.exec(
sql,
id: badge.id,
post_ids: [-1],
user_ids: [-2],
backfill: true,
multiple_grant: true, # cheat here, cause we only run on backfill and are deleting
)
end
sql = <<~SQL
WITH w as (
INSERT INTO user_badges(badge_id, user_id, granted_at, granted_by_id, created_at, post_id)
SELECT :id, q.user_id, q.granted_at, -1, current_timestamp, #{post_id_field}
FROM (
#{badge.query}
) q
LEFT JOIN user_badges ub ON ub.badge_id = :id AND ub.user_id = q.user_id
#{post_clause}
/*where*/
ON CONFLICT DO NOTHING
RETURNING id, user_id, granted_at
)
SELECT w.*, username, locale, (u.admin OR u.moderator) AS staff, uo.skip_new_user_tips
FROM w
JOIN users u on u.id = w.user_id
JOIN user_options uo ON uo.user_id = w.user_id
SQL
builder = DB.build(sql)
builder.where("ub.badge_id IS NULL AND q.user_id > 0")
if (post_ids || user_ids) && !badge.query.include?(":backfill")
Rails.logger.warn "Your triggered badge query for #{badge.name} does not include the :backfill param, skipping!"
return
end
if post_ids && !badge.query.include?(":post_ids")
Rails.logger.warn "Your triggered badge query for #{badge.name} does not include the :post_ids param, skipping!"
return
end
if user_ids && !badge.query.include?(":user_ids")
Rails.logger.warn "Your triggered badge query for #{badge.name} does not include the :user_ids param, skipping!"
return
end
builder
.query(
id: badge.id,
multiple_grant: badge.multiple_grant,
backfill: full_backfill,
post_ids: post_ids || [-2],
user_ids: user_ids || [-2],
)
.each do |row|
next if suppress_notification?(badge, row.granted_at, row.skip_new_user_tips)
next if row.staff && badge.awarded_for_trust_level?
notification = send_notification(row.user_id, row.username, row.locale, badge)
UserBadge.trigger_user_badge_granted_event(badge.id, row.user_id)
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DB.exec(
"UPDATE user_badges SET notification_id = :notification_id WHERE id = :id",
notification_id: notification.id,
id: row.id,
)
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end
badge.reset_grant_count!
rescue => e
raise GrantError, "Failed to backfill '#{badge.name}' badge: #{opts}. Reason: #{e.message}"
end
def self.revoke_ungranted_titles!
DB.exec <<~SQL
UPDATE users u
SET title = ''
FROM user_profiles up
WHERE u.title IS NOT NULL
AND u.title <> ''
AND up.user_id = u.id
AND up.granted_title_badge_id IS NOT NULL
AND NOT EXISTS(
SELECT 1
FROM badges b
JOIN user_badges ub ON ub.user_id = u.id AND ub.badge_id = b.id
WHERE b.id = up.granted_title_badge_id
AND b.allow_title
AND b.enabled
)
SQL
DB.exec <<~SQL
UPDATE user_profiles up
SET granted_title_badge_id = NULL
FROM users u
WHERE up.user_id = u.id
AND (u.title IS NULL OR u.title = '')
AND up.granted_title_badge_id IS NOT NULL
SQL
end
def self.notification_locale(locale)
use_default_locale = !SiteSetting.allow_user_locale || locale.blank?
use_default_locale ? SiteSetting.default_locale : locale
end
def self.send_notification(user_id, username, locale, badge)
I18n.with_locale(notification_locale(locale)) do
Notification.create!(
user_id: user_id,
notification_type: Notification.types[:granted_badge],
data: {
badge_id: badge.id,
badge_name: badge.display_name,
badge_slug: badge.slug,
badge_title: badge.allow_title,
username: username,
}.to_json,
)
end
end
def self.suppress_notification?(badge, granted_at, skip_new_user_tips)
is_old_bronze_badge = badge.badge_type_id == BadgeType::Bronze && granted_at < 2.days.ago
skip_beginner_badge = skip_new_user_tips && badge.for_beginners?
is_old_bronze_badge || skip_beginner_badge
end
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end