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July 2, 2020 15:50
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Rails controller concerns for using pundit with scope of controller
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# app/controllers/concerns/scoped_policies | |
# add `include ScopedPolicies` to your scoped base controller such as Api::BaseController | |
module ScopedPolicies | |
extend ActiveSupport::Concern | |
included do | |
helper_method :authorize | |
helper_method :policy_scope | |
end | |
# These are workarounds for the lack of support for namespacing in pundit | |
# https://github.com/elabs/pundit/issues/12 | |
def controller_namespace | |
@controller_namespace ||= self.class.to_s.sub(/::[A-z]*Controller/, '') | |
end | |
def authorize(record, query = nil) | |
klass = "#{controller_namespace}::#{record.model_name}Policy".constantize | |
policy = klass.new(current_user, record) | |
query ||= "#{params[:action]}?" | |
@_policy_authorized = true | |
unless policy.public_send(query) | |
error = Pundit::NotAuthorizedError.new("not allowed to #{query} this #{record}") | |
error.query, error.record, error.policy = query, record, policy | |
raise error | |
end | |
true | |
end | |
def policy_scope(scope) | |
klass = "#{controller_namespace}::#{scope.model_name}Policy::Scope".constantize | |
policy = klass.new(current_user, scope) | |
@_policy_scoped = true | |
policy.resolve | |
end | |
end |
I didn't even see that. Thank you for pointing it out.
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You are right. This gist is a little bit outdated.
According to the newest documentation of Pundit, I think you should not need to use the strategy described in this gist anymore.