OfflineQuery.js 15 KB

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  1. var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
  2. Object.defineProperty(exports, "__esModule", {
  3. value: true
  4. });
  5. exports.default = void 0;
  6. var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
  7. var _equals = _interopRequireDefault(require("./equals"));
  8. var _decode = _interopRequireDefault(require("./decode"));
  9. var _ParseError = _interopRequireDefault(require("./ParseError"));
  10. var _ParsePolygon = _interopRequireDefault(require("./ParsePolygon"));
  11. var _ParseGeoPoint = _interopRequireDefault(require("./ParseGeoPoint"));
  12. function contains(haystack, needle) {
  13. if (needle && needle.__type && (needle.__type === 'Pointer' || needle.__type === 'Object')) {
  14. for (var i in haystack) {
  15. var ptr = haystack[i];
  16. if (typeof ptr === 'string' && ptr === needle.objectId) {
  17. return true;
  18. }
  19. if (ptr.className === needle.className && ptr.objectId === needle.objectId) {
  20. return true;
  21. }
  22. }
  23. return false;
  24. }
  25. if (Array.isArray(needle)) {
  26. for (var need of needle) {
  27. if (contains(haystack, need)) {
  28. return true;
  29. }
  30. }
  31. }
  32. return haystack.indexOf(needle) > -1;
  33. }
  34. function transformObject(object) {
  35. if (object._toFullJSON) {
  36. return object._toFullJSON();
  37. }
  38. return object;
  39. }
  40. function matchesQuery(className, object, objects, query) {
  41. if (object.className !== className) {
  42. return false;
  43. }
  44. var obj = object;
  45. var q = query;
  46. if (object.toJSON) {
  47. obj = object.toJSON();
  48. }
  49. if (query.toJSON) {
  50. q = query.toJSON().where;
  51. }
  52. obj.className = className;
  53. for (var field in q) {
  54. if (!matchesKeyConstraints(className, obj, objects, field, q[field])) {
  55. return false;
  56. }
  57. }
  58. return true;
  59. }
  60. function equalObjectsGeneric(obj, compareTo, eqlFn) {
  61. if (Array.isArray(obj)) {
  62. for (var i = 0; i < obj.length; i++) {
  63. if (eqlFn(obj[i], compareTo)) {
  64. return true;
  65. }
  66. }
  67. return false;
  68. }
  69. return eqlFn(obj, compareTo);
  70. }
  71. function relativeTimeToDate(text) {
  72. var now = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : new Date();
  73. text = text.toLowerCase();
  74. var parts = text.split(' ');
  75. parts = parts.filter(function (part) {
  76. return part !== '';
  77. });
  78. var future = parts[0] === 'in';
  79. var past = parts[parts.length - 1] === 'ago';
  80. if (!future && !past && text !== 'now') {
  81. return {
  82. status: 'error',
  83. info: "Time should either start with 'in' or end with 'ago'"
  84. };
  85. }
  86. if (future && past) {
  87. return {
  88. status: 'error',
  89. info: "Time cannot have both 'in' and 'ago'"
  90. };
  91. }
  92. if (future) {
  93. parts = parts.slice(1);
  94. } else {
  95. parts = parts.slice(0, parts.length - 1);
  96. }
  97. if (parts.length % 2 !== 0 && text !== 'now') {
  98. return {
  99. status: 'error',
  100. info: 'Invalid time string. Dangling unit or number.'
  101. };
  102. }
  103. var pairs = [];
  104. while (parts.length) {
  105. pairs.push([parts.shift(), parts.shift()]);
  106. }
  107. var seconds = 0;
  108. for (var _ref of pairs) {
  109. var _ref2 = (0, _slicedToArray2.default)(_ref, 2);
  110. var num = _ref2[0];
  111. var interval = _ref2[1];
  112. var val = Number(num);
  113. if (!Number.isInteger(val)) {
  114. return {
  115. status: 'error',
  116. info: `'${num}' is not an integer.`
  117. };
  118. }
  119. switch (interval) {
  120. case 'yr':
  121. case 'yrs':
  122. case 'year':
  123. case 'years':
  124. seconds += val * 31536000;
  125. break;
  126. case 'wk':
  127. case 'wks':
  128. case 'week':
  129. case 'weeks':
  130. seconds += val * 604800;
  131. break;
  132. case 'd':
  133. case 'day':
  134. case 'days':
  135. seconds += val * 86400;
  136. break;
  137. case 'hr':
  138. case 'hrs':
  139. case 'hour':
  140. case 'hours':
  141. seconds += val * 3600;
  142. break;
  143. case 'min':
  144. case 'mins':
  145. case 'minute':
  146. case 'minutes':
  147. seconds += val * 60;
  148. break;
  149. case 'sec':
  150. case 'secs':
  151. case 'second':
  152. case 'seconds':
  153. seconds += val;
  154. break;
  155. default:
  156. return {
  157. status: 'error',
  158. info: `Invalid interval: '${interval}'`
  159. };
  160. }
  161. }
  162. var milliseconds = seconds * 1000;
  163. if (future) {
  164. return {
  165. status: 'success',
  166. info: 'future',
  167. result: new Date(now.valueOf() + milliseconds)
  168. };
  169. } else if (past) {
  170. return {
  171. status: 'success',
  172. info: 'past',
  173. result: new Date(now.valueOf() - milliseconds)
  174. };
  175. } else {
  176. return {
  177. status: 'success',
  178. info: 'present',
  179. result: new Date(now.valueOf())
  180. };
  181. }
  182. }
  183. function matchesKeyConstraints(className, object, objects, key, constraints) {
  184. if (constraints === null) {
  185. return false;
  186. }
  187. if (key.indexOf('.') >= 0) {
  188. var keyComponents = key.split('.');
  189. var subObjectKey = keyComponents[0];
  190. var keyRemainder = keyComponents.slice(1).join('.');
  191. return matchesKeyConstraints(className, object[subObjectKey] || {}, objects, keyRemainder, constraints);
  192. }
  193. var i;
  194. if (key === '$or') {
  195. for (i = 0; i < constraints.length; i++) {
  196. if (matchesQuery(className, object, objects, constraints[i])) {
  197. return true;
  198. }
  199. }
  200. return false;
  201. }
  202. if (key === '$and') {
  203. for (i = 0; i < constraints.length; i++) {
  204. if (!matchesQuery(className, object, objects, constraints[i])) {
  205. return false;
  206. }
  207. }
  208. return true;
  209. }
  210. if (key === '$nor') {
  211. for (i = 0; i < constraints.length; i++) {
  212. if (matchesQuery(className, object, objects, constraints[i])) {
  213. return false;
  214. }
  215. }
  216. return true;
  217. }
  218. if (key === '$relatedTo') {
  219. return false;
  220. }
  221. if (!/^[A-Za-z][0-9A-Za-z_]*$/.test(key)) {
  222. throw new _ParseError.default(_ParseError.default.INVALID_KEY_NAME, `Invalid Key: ${key}`);
  223. }
  224. if (typeof constraints !== 'object') {
  225. if (Array.isArray(object[key])) {
  226. return object[key].indexOf(constraints) > -1;
  227. }
  228. return object[key] === constraints;
  229. }
  230. var compareTo;
  231. if (constraints.__type) {
  232. if (constraints.__type === 'Pointer') {
  233. return equalObjectsGeneric(object[key], constraints, function (obj, ptr) {
  234. return typeof obj !== 'undefined' && ptr.className === obj.className && ptr.objectId === obj.objectId;
  235. });
  236. }
  237. return equalObjectsGeneric((0, _decode.default)(object[key]), (0, _decode.default)(constraints), _equals.default);
  238. }
  239. for (var condition in constraints) {
  240. var _compareTo, _compareTo2;
  241. compareTo = constraints[condition];
  242. if ((_compareTo = compareTo) != null && _compareTo.__type) {
  243. compareTo = (0, _decode.default)(compareTo);
  244. }
  245. if ((_compareTo2 = compareTo) != null && _compareTo2['$relativeTime']) {
  246. var parserResult = relativeTimeToDate(compareTo['$relativeTime']);
  247. if (parserResult.status !== 'success') {
  248. throw new _ParseError.default(_ParseError.default.INVALID_JSON, `bad $relativeTime (${key}) value. ${parserResult.info}`);
  249. }
  250. compareTo = parserResult.result;
  251. }
  252. if (toString.call(compareTo) === '[object Date]' || typeof compareTo === 'string' && new Date(compareTo) !== 'Invalid Date' && !isNaN(new Date(compareTo))) {
  253. object[key] = new Date(object[key].iso ? object[key].iso : object[key]);
  254. }
  255. switch (condition) {
  256. case '$lt':
  257. if (object[key] >= compareTo) {
  258. return false;
  259. }
  260. break;
  261. case '$lte':
  262. if (object[key] > compareTo) {
  263. return false;
  264. }
  265. break;
  266. case '$gt':
  267. if (object[key] <= compareTo) {
  268. return false;
  269. }
  270. break;
  271. case '$gte':
  272. if (object[key] < compareTo) {
  273. return false;
  274. }
  275. break;
  276. case '$ne':
  277. if ((0, _equals.default)(object[key], compareTo)) {
  278. return false;
  279. }
  280. break;
  281. case '$in':
  282. if (!contains(compareTo, object[key])) {
  283. return false;
  284. }
  285. break;
  286. case '$nin':
  287. if (contains(compareTo, object[key])) {
  288. return false;
  289. }
  290. break;
  291. case '$all':
  292. for (i = 0; i < compareTo.length; i++) {
  293. if (object[key].indexOf(compareTo[i]) < 0) {
  294. return false;
  295. }
  296. }
  297. break;
  298. case '$exists':
  299. {
  300. var propertyExists = typeof object[key] !== 'undefined';
  301. var existenceIsRequired = constraints['$exists'];
  302. if (typeof constraints['$exists'] !== 'boolean') {
  303. break;
  304. }
  305. if (!propertyExists && existenceIsRequired || propertyExists && !existenceIsRequired) {
  306. return false;
  307. }
  308. break;
  309. }
  310. case '$regex':
  311. {
  312. if (typeof compareTo === 'object') {
  313. return compareTo.test(object[key]);
  314. }
  315. var expString = '';
  316. var escapeEnd = -2;
  317. var escapeStart = compareTo.indexOf('\\Q');
  318. while (escapeStart > -1) {
  319. expString += compareTo.substring(escapeEnd + 2, escapeStart);
  320. escapeEnd = compareTo.indexOf('\\E', escapeStart);
  321. if (escapeEnd > -1) {
  322. expString += compareTo.substring(escapeStart + 2, escapeEnd).replace(/\\\\\\\\E/g, '\\E').replace(/\W/g, '\\$&');
  323. }
  324. escapeStart = compareTo.indexOf('\\Q', escapeEnd);
  325. }
  326. expString += compareTo.substring(Math.max(escapeStart, escapeEnd + 2));
  327. var modifiers = constraints.$options || '';
  328. modifiers = modifiers.replace('x', '').replace('s', '');
  329. var exp = new RegExp(expString, modifiers);
  330. if (!exp.test(object[key])) {
  331. return false;
  332. }
  333. break;
  334. }
  335. case '$nearSphere':
  336. {
  337. if (!compareTo || !object[key]) {
  338. return false;
  339. }
  340. var distance = compareTo.radiansTo(object[key]);
  341. var max = constraints.$maxDistance || Infinity;
  342. return distance <= max;
  343. }
  344. case '$within':
  345. {
  346. if (!compareTo || !object[key]) {
  347. return false;
  348. }
  349. var southWest = compareTo.$box[0];
  350. var northEast = compareTo.$box[1];
  351. if (southWest.latitude > northEast.latitude || southWest.longitude > northEast.longitude) {
  352. return false;
  353. }
  354. return object[key].latitude > southWest.latitude && object[key].latitude < northEast.latitude && object[key].longitude > southWest.longitude && object[key].longitude < northEast.longitude;
  355. }
  356. case '$options':
  357. break;
  358. case '$maxDistance':
  359. break;
  360. case '$select':
  361. {
  362. var subQueryObjects = objects.filter(function (obj, index, arr) {
  363. return matchesQuery(compareTo.query.className, obj, arr, compareTo.query.where);
  364. });
  365. for (var _i = 0; _i < subQueryObjects.length; _i += 1) {
  366. var subObject = transformObject(subQueryObjects[_i]);
  367. return (0, _equals.default)(object[key], subObject[compareTo.key]);
  368. }
  369. return false;
  370. }
  371. case '$dontSelect':
  372. {
  373. var _subQueryObjects = objects.filter(function (obj, index, arr) {
  374. return matchesQuery(compareTo.query.className, obj, arr, compareTo.query.where);
  375. });
  376. for (var _i2 = 0; _i2 < _subQueryObjects.length; _i2 += 1) {
  377. var _subObject = transformObject(_subQueryObjects[_i2]);
  378. return !(0, _equals.default)(object[key], _subObject[compareTo.key]);
  379. }
  380. return false;
  381. }
  382. case '$inQuery':
  383. {
  384. var _subQueryObjects2 = objects.filter(function (obj, index, arr) {
  385. return matchesQuery(compareTo.className, obj, arr, compareTo.where);
  386. });
  387. for (var _i3 = 0; _i3 < _subQueryObjects2.length; _i3 += 1) {
  388. var _subObject2 = transformObject(_subQueryObjects2[_i3]);
  389. if (object[key].className === _subObject2.className && object[key].objectId === _subObject2.objectId) {
  390. return true;
  391. }
  392. }
  393. return false;
  394. }
  395. case '$notInQuery':
  396. {
  397. var _subQueryObjects3 = objects.filter(function (obj, index, arr) {
  398. return matchesQuery(compareTo.className, obj, arr, compareTo.where);
  399. });
  400. for (var _i4 = 0; _i4 < _subQueryObjects3.length; _i4 += 1) {
  401. var _subObject3 = transformObject(_subQueryObjects3[_i4]);
  402. if (object[key].className === _subObject3.className && object[key].objectId === _subObject3.objectId) {
  403. return false;
  404. }
  405. }
  406. return true;
  407. }
  408. case '$containedBy':
  409. {
  410. for (var value of object[key]) {
  411. if (!contains(compareTo, value)) {
  412. return false;
  413. }
  414. }
  415. return true;
  416. }
  417. case '$geoWithin':
  418. {
  419. if (compareTo.$polygon) {
  420. var points = compareTo.$polygon.map(function (geoPoint) {
  421. return [geoPoint.latitude, geoPoint.longitude];
  422. });
  423. var polygon = new _ParsePolygon.default(points);
  424. return polygon.containsPoint(object[key]);
  425. }
  426. if (compareTo.$centerSphere) {
  427. var _compareTo$$centerSph = (0, _slicedToArray2.default)(compareTo.$centerSphere, 2),
  428. WGS84Point = _compareTo$$centerSph[0],
  429. maxDistance = _compareTo$$centerSph[1];
  430. var centerPoint = new _ParseGeoPoint.default({
  431. latitude: WGS84Point[1],
  432. longitude: WGS84Point[0]
  433. });
  434. var point = new _ParseGeoPoint.default(object[key]);
  435. var _distance = point.radiansTo(centerPoint);
  436. return _distance <= maxDistance;
  437. }
  438. return false;
  439. }
  440. case '$geoIntersects':
  441. {
  442. var _polygon = new _ParsePolygon.default(object[key].coordinates);
  443. var _point = new _ParseGeoPoint.default(compareTo.$point);
  444. return _polygon.containsPoint(_point);
  445. }
  446. default:
  447. return false;
  448. }
  449. }
  450. return true;
  451. }
  452. function validateQuery(query) {
  453. var q = query;
  454. if (query.toJSON) {
  455. q = query.toJSON().where;
  456. }
  457. var specialQuerykeys = ['$and', '$or', '$nor', '_rperm', '_wperm', '_perishable_token', '_email_verify_token', '_email_verify_token_expires_at', '_account_lockout_expires_at', '_failed_login_count'];
  458. Object.keys(q).forEach(function (key) {
  459. if (q && q[key] && q[key].$regex) {
  460. if (typeof q[key].$options === 'string') {
  461. if (!q[key].$options.match(/^[imxs]+$/)) {
  462. throw new _ParseError.default(_ParseError.default.INVALID_QUERY, `Bad $options value for query: ${q[key].$options}`);
  463. }
  464. }
  465. }
  466. if (specialQuerykeys.indexOf(key) < 0 && !key.match(/^[a-zA-Z][a-zA-Z0-9_\.]*$/)) {
  467. throw new _ParseError.default(_ParseError.default.INVALID_KEY_NAME, `Invalid key name: ${key}`);
  468. }
  469. });
  470. }
  471. var OfflineQuery = {
  472. matchesQuery: matchesQuery,
  473. validateQuery: validateQuery
  474. };
  475. module.exports = OfflineQuery;
  476. var _default = exports.default = OfflineQuery;