discourse/app/services/badge_granter.rb

114 lines
3.6 KiB
Ruby

class BadgeGranter
def initialize(badge, user, opts={})
@badge, @user, @opts = badge, user, opts
@granted_by = opts[:granted_by] || Discourse.system_user
@post_id = opts[:post_id]
end
def self.grant(badge, user, opts={})
BadgeGranter.new(badge, user, opts).grant
end
def grant
return if @granted_by and !Guardian.new(@granted_by).can_grant_badges?(@user)
find_by = { badge_id: @badge.id, user_id: @user.id }
if @badge.multiple_grant?
find_by[:post_id] = @post_id
end
user_badge = UserBadge.find_by(find_by)
if user_badge.nil? || (@badge.multiple_grant? && @post_id.nil?)
UserBadge.transaction do
user_badge = UserBadge.create!(badge: @badge, user: @user,
granted_by: @granted_by,
granted_at: Time.now,
post_id: @post_id)
if @granted_by != Discourse.system_user
StaffActionLogger.new(@granted_by).log_badge_grant(user_badge)
end
if SiteSetting.enable_badges?
notification = @user.notifications.create(notification_type: Notification.types[:granted_badge], data: { badge_id: @badge.id, badge_name: @badge.name }.to_json)
user_badge.update_attributes notification_id: notification.id
end
end
end
user_badge
end
def self.revoke(user_badge, options={})
UserBadge.transaction do
user_badge.destroy!
if options[:revoked_by]
StaffActionLogger.new(options[:revoked_by]).log_badge_revoke(user_badge)
end
# If the user's title is the same as the badge name, remove their title.
if user_badge.user.title == user_badge.badge.name
user_badge.user.title = nil
user_badge.user.save!
end
end
end
def self.update_badges(args)
Jobs.enqueue(:update_badges, args)
end
def self.backfill(badge)
return unless badge.query.present?
post_clause = badge.target_posts ? "AND q.post_id = ub.post_id" : ""
post_id_field = badge.target_posts ? "q.post_id" : "NULL"
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
)"
Badge.exec_sql(sql, id: badge.id)
sql = "INSERT INTO user_badges(badge_id, user_id, granted_at, granted_by_id, post_id)
SELECT :id, q.user_id, q.granted_at, -1, #{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 ub.badge_id IS NULL AND q.user_id <> -1
RETURNING id, user_id, granted_at
"
builder = SqlBuilder.new(sql)
builder.map_exec(OpenStruct, id: badge.id).each do |row|
# old bronze badges do not matter
next if badge.badge_type_id == BadgeType::Bronze and row.granted_at < 2.days.ago
notification = Notification.create!(
user_id: row.user_id,
notification_type: Notification.types[:granted_badge],
data: { badge_id: badge.id, badge_name: badge.name }.to_json )
Badge.exec_sql("UPDATE user_badges SET notification_id = :notification_id WHERE id = :id",
notification_id: notification.id,
id: row.id
)
end
badge.reset_grant_count!
end
end