metamaps--metamaps/app/policies/mapping_policy.rb
2017-11-25 11:18:32 -08:00

51 lines
1.4 KiB
Ruby

# frozen_string_literal: true
class MappingPolicy < ApplicationPolicy
class Scope < Scope
def resolve
# TODO: base this on the map policy
# it would be nice if we could also base this on the mappable, but that
# gets really complicated. Devin thinks it's OK to SHOW a mapping for
# a private topic, since you can't see the private topic anyways
visible = %w(public commons)
permission = 'maps.permission IN (?)'
return scope.joins(:map).where(permission, visible) unless user
# if this is getting changed, the policy_scope for messages should also be changed
# as it is based entirely on the map to which it belongs
scope.joins(:map).where(permission, visible)
.or(scope.joins(:map).where('maps.id IN (?)', user.shared_maps.map(&:id)))
.or(scope.joins(:map).where('maps.user_id = ?', user.id))
end
end
def index?
true
end
def show?
map_policy.show? && mappable_policy.try(:show?)
end
def create?
record.map.present? && map_policy.update?
end
def update?
record.mappable_type == 'Topic' && map_policy.update?
end
def destroy?
map_policy.update? || admin_override
end
# Helpers
def map_policy
@map_policy ||= Pundit.policy(user, record.map)
end
def mappable_policy
@mappable_policy ||= Pundit.policy(user, record.mappable)
end
end