cacontology-training:TrainingDeliveryValidationShape leaf node

@prefix cacontology-training: <https://cacontology.projectvic.org/training#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix sh: <http://www.w3.org/ns/shacl#> .
cacontology-training:TrainingDeliveryValidationShape a sh:NodeShape ;
    rdfs:label "Training Delivery Validation Shape"@en ;
    rdfs:comment "Validates that training programs have delivery mechanisms."@en ;
    sh:sparql [ sh:message "International training should have assigned trainers."@en ;
            sh:select """
            SELECT $this
            WHERE {
                $this a cacontology-training:InternationalTraining .
                FILTER NOT EXISTS {
                    $this cacontology-training:deliveredBy ?trainer .
                    ?trainer a cacontology-training:InternationalTrainer .
                }
            }
        """ ] ;
    sh:targetClass cacontology-training:InternationalTraining .