discourse/app/services/badge_granter.rb
2014-05-21 12:54:55 +05:30

78 lines
2.7 KiB
Ruby

class BadgeGranter
def initialize(badge, user, opts={})
@badge, @user, @opts = badge, user, opts
@granted_by = opts[:granted_by] || Discourse.system_user
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)
user_badge = UserBadge.find_by(badge_id: @badge.id, user_id: @user.id)
if user_badge.nil? || @badge.multiple_grant?
UserBadge.transaction do
user_badge = UserBadge.create!(badge: @badge, user: @user,
granted_by: @granted_by, granted_at: Time.now)
Badge.increment_counter 'grant_count', @badge.id
if @granted_by != Discourse.system_user
StaffActionLogger.new(@granted_by).log_badge_grant(user_badge)
end
if SiteSetting.enable_badges?
@user.notifications.create(notification_type: Notification.types[:granted_badge],
data: { badge_id: @badge.id,
badge_name: @badge.name }.to_json)
end
end
end
user_badge
end
def self.revoke(user_badge, options={})
UserBadge.transaction do
user_badge.destroy!
Badge.decrement_counter 'grant_count', user_badge.badge_id
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
# Delete notification -- This is inefficient, but not very easy to optimize
# unless the data hash is converted into a hstore.
notification = user_badge.user.notifications.where(notification_type: Notification.types[:granted_badge]).where("data LIKE ?", "%" + user_badge.badge_id.to_s + "%").select {|n| n.data_hash["badge_id"] == user_badge.badge_id }.first
notification && notification.destroy
end
end
def self.update_badges(user, opts={})
if opts.has_key?(:trust_level)
# Update trust level badges.
trust_level = opts[:trust_level]
Badge.trust_level_badge_ids.each do |badge_id|
user_badge = UserBadge.find_by(user_id: user.id, badge_id: badge_id)
if user_badge
# Revoke the badge if trust level was lowered.
BadgeGranter.revoke(user_badge) if trust_level < badge_id
else
# Grant the badge if trust level was increased.
badge = Badge.find(badge_id)
BadgeGranter.grant(badge, user) if trust_level >= badge_id
end
end
end
end
end