discourse/app/services/badge_granter.rb

51 lines
1.8 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)
unless user_badge
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
@user.notifications.create(notification_type: Notification.types[:granted_badge],
data: { badge_id: @badge.id,
badge_name: @badge.name }.to_json)
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
# Revoke badge -- 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
end