stardog.js/lib/db/reasoning.js at 129bf77d0ac929e0c73371a4503d902ed2a87c90 · stardog-union/stardog.js · GitHub

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const { httpBody } = require('../response-transforms');

const jsonify = res => {
  res.headers.set('Content-Type', 'application/json; charset=utf-8');
  return res;
};

const consistency = (conn, database, options = {}, params = {}) => {
  const headers = conn.headers();
  headers.set('Accept', 'text/boolean');

  const suffix = `consistency${
    options.namedGraph ? `?graph-uri=${options.namedGraph}` : ''
  }`;

  return fetch(conn.request(database, 'reasoning', suffix), {
    headers,
  }).then(httpBody);
};

// contentType - application/x-turtle, text/turtle, application/rdf+xml, text/plain, application/x-trig, text/x-nquads, application/trix
const explainInference = (conn, database, inference, config, params) => {
  const headers = conn.headers();
  headers.set('Content-Type', config.contentType);
  headers.set('Accept', 'application/json');
  return fetch(conn.request(database, 'reasoning', 'explain'), {
    method: 'POST',
    headers,
    body: inference,
  })
    .then(jsonify)
    .then(httpBody);
};

const explainInconsistency = (conn, database, options = {}, params = {}) => {
  const headers = conn.headers();
  headers.set('Accept', 'application/json');
  const suffix = `inconsistency${
    options.namedGraph ? `?graph-uri=${options.namedGraph}` : ''
  }`;

  return fetch(conn.request(database, 'reasoning', 'explain', suffix), {
    method: 'POST',
    headers,
  })
    .then(jsonify)
    .then(httpBody);
};

// contentType - application/x-turtle, text/turtle, application/rdf+xml, text/plain, application/x-trig, text/x-nquads, application/trix
const explainInferenceInTransaction = (
  conn,
  database,
  transactionId,
  inference,
  config,
  params = {}
) => {
  const headers = conn.headers();
  headers.set('Content-Type', config.contentType);
  if (config.encoding) {
    headers.set('Content-Encoding', config.encoding);
  }
  return fetch(conn.request(database, 'reasoning', transactionId, 'explain'), {
    method: 'POST',
    headers,
    body: inference,
  }).then(httpBody);
};

const explainInconsistencyInTransaction = (
  conn,
  database,
  transactionId,
  options = {},
  params = {}
) => {
  const headers = conn.headers();
  const suffix = `inconsistency${
    options.namedGraph ? `?graph-uri=${options.namedGraph}` : ''
  }`;

  return fetch(
    conn.request(database, 'reasoning', transactionId, 'explain', suffix),
    {
      method: 'POST',
      headers,
    }
  ).then(httpBody);
};

const schema = (conn, database, params = {}) => {
  const headers = conn.headers();
  headers.set('Accept', 'application/ld+json');
  return fetch(conn.request(database, 'reasoning', 'schema'), {
    headers,
  }).then(httpBody);
};

module.exports = {
  consistency,
  explainInference,
  explainInconsistency,
  explainInferenceInTransaction,
  explainInconsistencyInTransaction,
  schema,
};