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# File 'lib/davinci_pas_test_kit/pas_subscription_verification.rb', line 3
def verify_pas_subscription(subscription_json_str)
assert_valid_json(subscription_json_str)
subscription = JSON.parse(subscription_json_str)
unless subscription['criteria'] == 'http://hl7.org/fhir/us/davinci-pas/SubscriptionTopic/PASSubscriptionTopic'
add_message('error', %(
The Subscription must use the PAS-defined Subscription topic
`http://hl7.org/fhir/us/davinci-pas/SubscriptionTopic/PASSubscriptionTopic`
in the `Subscription.criteria` element.
))
end
filter_criteria = subscription.dig('_criteria', 'extension')
&.select do |ext|
ext['url'] == 'http://hl7.org/fhir/uv/subscriptions-backport/StructureDefinition/backport-filter-criteria'
end
unless filter_criteria&.length == 1
add_message('error', %(
The Subscription must include a single filter on the submitting organization
in the `Subscription.criteria.extension` element.
))
end
assert messages.none? { |msg| msg[:type] == 'error' },
'The Subscription does not conform to PAS requirements - see messages for details.'
end
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