metamaps--metamaps/app/policies/synapse_policy.rb

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# frozen_string_literal: true
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class SynapsePolicy < ApplicationPolicy
class Scope < Scope
def resolve
visible = %w(public commons)
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return scope.where(permission: visible) unless user
scope.where(permission: visible)
.or(scope.where.not(defer_to_map_id: nil).where(defer_to_map_id: user.all_accessible_maps.map(&:id)))
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.or(scope.where(user_id: user.id))
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end
end
def index?
true # really only for the API. should be policy scoped!
end
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def create?
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user.present?
# TODO: add validation against whether you can see both topics
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end
def show?
if record.defer_to_map.present?
map_policy.show?
else
record.permission == 'commons' || record.permission == 'public' || record.user == user
end
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end
def update?
if !user.present?
false
elsif record.defer_to_map.present?
map_policy.update?
else
record.permission == 'commons' || record.user == user
end
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end
def destroy?
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record.user == user || admin_override
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end
# Helpers
def map_policy
@map_policy ||= Pundit.policy(user, record.defer_to_map)
end
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end