Function delete_node

app/graph/crud.py:180–197

(node_id: int)

# DELETE node in the graph
@router.post('/delete/{node_id}')
async def delete_node(node_id: int):

    cypher = """
    MATCH (node)
    WHERE ID(node) = $node_id
    DETACH DELETE node
    """

    with neo4j_driver.session() as session:
        result = session.run(query=cypher,
                             parameters={'node_id': node_id})

        node_data = result.data()

    # Confirm deletion was completed by empty response
    return node_data or {
        'response': f'Node with ID: {node_id} was successfully deleted from the graph.'
    }


# RELATIONSHIPS