beeswax.vm.js 21 KB

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  1. // Licensed to Cloudera, Inc. under one
  2. // or more contributor license agreements. See the NOTICE file
  3. // distributed with this work for additional information
  4. // regarding copyright ownership. Cloudera, Inc. licenses this file
  5. // to you under the Apache License, Version 2.0 (the
  6. // "License"); you may not use this file except in compliance
  7. // with the License. You may obtain a copy of the License at
  8. //
  9. // http://www.apache.org/licenses/LICENSE-2.0
  10. //
  11. // Unless required by applicable law or agreed to in writing, software
  12. // distributed under the License is distributed on an "AS IS" BASIS,
  13. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14. // See the License for the specific language governing permissions and
  15. // limitations under the License.
  16. function BeeswaxViewModel(server) {
  17. var self = this;
  18. var DESIGN_DEFAULTS = {
  19. 'id': -1,
  20. 'query': '',
  21. 'name': null,
  22. 'description': null,
  23. 'settings': [],
  24. 'fileResources': [],
  25. 'functions': [],
  26. 'parameters': [],
  27. 'isParameterized': true,
  28. 'email': false,
  29. 'errors': [],
  30. 'explain': false,
  31. 'history': {
  32. 'id': -1
  33. },
  34. 'results': {
  35. 'rows': [],
  36. 'columns': [],
  37. 'empty': true,
  38. 'explanation': null,
  39. 'url': null,
  40. 'errors': [],
  41. 'save': {
  42. 'errors': null,
  43. 'type': 'table',
  44. 'path': null
  45. }
  46. },
  47. 'watch': {
  48. 'logs': [],
  49. 'url': null,
  50. 'errors': []
  51. },
  52. 'isRunning': false,
  53. 'statement': '',
  54. 'isFinished': true
  55. };
  56. self.server = ko.observable(server);
  57. self.databases = ko.observableArray();
  58. self.selectedDatabase = ko.observable(0);
  59. self.isReady = ko.observable(false);
  60. self.design = ko.mapping.fromJS(DESIGN_DEFAULTS);
  61. self.hasMoreResults = ko.computed(function() {
  62. return self.design.results.url() != null;
  63. });
  64. self.design.results.save.saveTargetError = ko.computed(function() {
  65. return (self.design.results.save.errors() && 'save_target' in self.design.results.save.errors()) ? self.design.results.save.errors()['save_target'] : null;
  66. });
  67. self.design.results.save.targetTableError = ko.computed(function() {
  68. return (self.design.results.save.errors() && 'target_table' in self.design.results.save.errors()) ? self.design.results.save.errors()['target_table'] : null;
  69. });
  70. self.design.results.save.targetDirectoryError = ko.computed(function() {
  71. return (self.design.results.save.errors() && 'target_dir' in self.design.results.save.errors()) ? self.design.results.save.errors()['target_dir'] : null;
  72. });
  73. self.database = ko.computed({
  74. 'read': function() {
  75. if (self.databases()) {
  76. return self.databases()[self.selectedDatabase()];
  77. } else{
  78. return "";
  79. }
  80. },
  81. 'write': function(value) {
  82. if (value) {
  83. self.selectedDatabase(self.databases.indexOf(value));
  84. }
  85. },
  86. 'deferEvaluation': true
  87. });
  88. self.hasParametersFilled = ko.computed(function() {
  89. var hasBlank = false;
  90. $.each(self.design.parameters(), function(index, element) {
  91. if (element.value() == '') {
  92. hasBlank = true;
  93. }
  94. });
  95. return ! hasBlank;
  96. });
  97. self.resetQuery = function() {
  98. ko.mapping.fromJS(QUERY_DEFAULTS, self.design);
  99. };
  100. self.updateDatabases = function(databases) {
  101. self.databases(databases);
  102. };
  103. self.updateDesign = function(design) {
  104. self.design.query(design.query);
  105. self.design.id(design.id);
  106. self.design.name(design.name);
  107. self.design.description(design.desc);
  108. self.database(design.database);
  109. self.design.isParameterized(design.is_parameterized);
  110. self.design.email(design.email_notify);
  111. self.design.settings.removeAll();
  112. self.design.fileResources.removeAll();
  113. self.design.functions.removeAll();
  114. $.each(design.settings, function(index, setting) {
  115. self.addSetting(setting.key, setting.value);
  116. });
  117. $.each(design.file_resources, function(index, file_resource) {
  118. self.addFileResources(file_resource.type, file_resource.path);
  119. });
  120. $.each(design.functions, function(index, _function) {
  121. self.addFunction(_function.name, _function.class_name);
  122. });
  123. };
  124. self.updateHistory = function(history) {
  125. self.design.history.id(history.id);
  126. viewModel.design.results.url('/' + viewModel.server() + '/results/' + history.id + '/0?format=json');
  127. viewModel.design.watch.url('/' + viewModel.server() + '/api/watch/json/' + history.id);
  128. if (history.design) {
  129. self.updateDesign(history.design);
  130. }
  131. };
  132. self.updateParameters = function(parameters) {
  133. self.design.parameters.removeAll();
  134. $.each(parameters, function(index, parameter) {
  135. self.addParameter(parameter.parameter, parameter.name, '');
  136. });
  137. };
  138. self.addParameter = function(parameter, name, value) {
  139. var obj = {
  140. 'parameter': ko.observable(parameter),
  141. 'name': ko.observable(name),
  142. 'value': ko.observable(value)
  143. };
  144. obj.parameter.subscribe(function() {
  145. self.design.parameters.valueHasMutated();
  146. });
  147. obj.name.subscribe(function() {
  148. self.design.parameters.valueHasMutated();
  149. });
  150. obj.value.subscribe(function() {
  151. self.design.parameters.valueHasMutated();
  152. });
  153. self.design.parameters.push(obj);
  154. };
  155. self.addSetting = function(key, value) {
  156. var obj = {
  157. 'key': ko.observable(key),
  158. 'value': ko.observable(value)
  159. };
  160. obj.key.subscribe(function() {
  161. self.design.settings.valueHasMutated();
  162. });
  163. obj.value.subscribe(function() {
  164. self.design.settings.valueHasMutated();
  165. });
  166. self.design.settings.push(obj);
  167. };
  168. self.removeSetting = function(index) {
  169. self.design.settings.splice(index, 1);
  170. };
  171. self.addFileResources = function(type, path) {
  172. var obj = {
  173. 'type': ko.observable(type),
  174. 'path': ko.observable(path)
  175. };
  176. obj.type.subscribe(function() {
  177. self.design.fileResources.valueHasMutated();
  178. });
  179. obj.path.subscribe(function() {
  180. self.design.fileResources.valueHasMutated();
  181. });
  182. self.design.fileResources.push(obj);
  183. };
  184. self.removeFileResources = function(index) {
  185. self.design.fileResources.splice(index, 1);
  186. };
  187. self.addFunction = function(name, class_name) {
  188. var obj = {
  189. 'name': ko.observable(name),
  190. 'class_name': ko.observable(class_name)
  191. };
  192. obj.name.subscribe(function() {
  193. self.design.functions.valueHasMutated();
  194. });
  195. obj.class_name.subscribe(function() {
  196. self.design.functions.valueHasMutated();
  197. });
  198. self.design.functions.push(obj);
  199. };
  200. self.removeFunction = function(index) {
  201. self.design.functions.splice(index, 1);
  202. };
  203. function getMultiFormData(prefix, arr, members) {
  204. var data = {};
  205. var index = 0;
  206. data[prefix + '-next_form_id'] = arr.length;
  207. ko.utils.arrayForEach(arr, function(obj) {
  208. $.each(members, function(i, member) {
  209. data[prefix + '-' + index + '-' + member] = obj[member]();
  210. });
  211. data[prefix + '-' + index + '-_exists'] = true;
  212. data[prefix + '-' + index++ + '-_deleted'] = false;
  213. });
  214. return data;
  215. }
  216. self.getSettingsFormData = function() {
  217. return getMultiFormData('settings', self.design.settings(), ['key', 'value']);
  218. };
  219. self.getFileResourcesFormData = function() {
  220. return getMultiFormData('file_resources', self.design.fileResources(), ['type', 'path']);
  221. };
  222. self.getFunctionsFormData = function() {
  223. return getMultiFormData('functions', self.design.functions(), ['name', 'class_name']);
  224. };
  225. self.getParametersFormData = function() {
  226. var data = {};
  227. $.each(self.design.parameters(), function(index, parameter) {
  228. data[parameter.parameter()] = parameter.value();
  229. });
  230. return data;
  231. };
  232. self.getOtherData = function() {
  233. var data = {
  234. 'query-email_notify': self.design.email(),
  235. 'query-is_parameterized': self.design.isParameterized()
  236. };
  237. return data;
  238. };
  239. var error_fn = function(jqXHR, status, errorThrown) {
  240. self.design.isRunning(false);
  241. try {
  242. $(document).trigger('server.error', $.parseJSON(jqXHR.responseText));
  243. } catch(e) {
  244. $(document).trigger('server.unmanageable_error', jqXHR.responseText);
  245. }
  246. };
  247. self.fetchDatabases = function() {
  248. var request = {
  249. url: '/' + self.server() + '/api/autocomplete',
  250. dataType: 'json',
  251. type: 'GET',
  252. success: function(data) {
  253. self.updateDatabases(data.databases);
  254. },
  255. error: error_fn
  256. };
  257. $.ajax(request);
  258. };
  259. self.fetchDesign = function() {
  260. $(document).trigger('fetch.design');
  261. var request = {
  262. url: '/' + self.server() + '/api/design/' + self.design.id() + '/get',
  263. dataType: 'json',
  264. type: 'GET',
  265. success: function(data) {
  266. self.updateDesign(data.design);
  267. $(document).trigger('fetched.design', data);
  268. },
  269. error: error_fn
  270. };
  271. $.ajax(request);
  272. };
  273. self.fetchQueryHistory = function() {
  274. $(document).trigger('fetch.query');
  275. var request = {
  276. url: '/' + self.server() + '/api/query/' + self.design.history.id() + '/get',
  277. dataType: 'json',
  278. type: 'GET',
  279. success: function(data) {
  280. self.updateHistory(data.query_history);
  281. $(document).trigger('fetched.query', data);
  282. },
  283. error: error_fn
  284. };
  285. $.ajax(request);
  286. };
  287. self.fetchParameters = function() {
  288. $(document).trigger('fetch.parameters');
  289. var data = {
  290. 'query-query': self.design.query(),
  291. 'query-database': self.database()
  292. };
  293. $.extend(data, self.getSettingsFormData());
  294. $.extend(data, self.getFileResourcesFormData());
  295. $.extend(data, self.getFunctionsFormData());
  296. $.extend(data, self.getParametersFormData());
  297. $.extend(data, self.getOtherData());
  298. var request = {
  299. url: '/' + self.server() + '/api/query/parameters',
  300. dataType: 'json',
  301. type: 'POST',
  302. success: function(data) {
  303. self.updateParameters(data.parameters);
  304. $(document).trigger('fetched.parameters');
  305. },
  306. error: error_fn,
  307. data: data
  308. };
  309. $.ajax(request);
  310. };
  311. self.explainQuery = function() {
  312. $(document).trigger('explain.query', data);
  313. self.design.explain(true);
  314. self.design.isRunning(true);
  315. self.design.isFinished(true);
  316. self.design.errors.removeAll();
  317. var data = {
  318. 'query-query': self.design.query(),
  319. 'query-database': self.database()
  320. };
  321. $.extend(data, self.getSettingsFormData());
  322. $.extend(data, self.getFileResourcesFormData());
  323. $.extend(data, self.getFunctionsFormData());
  324. $.extend(data, self.getParametersFormData());
  325. $.extend(data, self.getOtherData());
  326. var request = {
  327. url: '/' + self.server() + '/api/query/execute/?explain=true',
  328. dataType: 'json',
  329. type: 'POST',
  330. success: function(data) {
  331. self.design.errors.removeAll();
  332. if (data.status == 0) {
  333. self.design.watch.logs.removeAll();
  334. self.design.results.rows.removeAll();
  335. self.design.results.columns.removeAll();
  336. self.design.results.explanation(data.explanation);
  337. } else {
  338. self.design.errors.push(data.message);
  339. $(document).trigger('error.query');
  340. }
  341. $(document).trigger('explained.query', data);
  342. self.design.isRunning(false);
  343. },
  344. error: error_fn,
  345. data: data
  346. };
  347. $.ajax(request);
  348. };
  349. self.executeQuery = function() {
  350. $(document).trigger('execute.query', data);
  351. self.design.explain(false);
  352. self.design.isRunning(true);
  353. self.design.isFinished(true);
  354. self.design.errors.removeAll();
  355. var data = {
  356. 'query-query': self.design.query(),
  357. 'query-database': self.database()
  358. };
  359. $.extend(data, self.getSettingsFormData());
  360. $.extend(data, self.getFileResourcesFormData());
  361. $.extend(data, self.getFunctionsFormData());
  362. $.extend(data, self.getParametersFormData());
  363. $.extend(data, self.getOtherData());
  364. var request = {
  365. url: '/' + self.server() + '/api/query/execute/',
  366. dataType: 'json',
  367. type: 'POST',
  368. success: function(data) {
  369. self.design.errors.removeAll();
  370. if (data.status == 0) {
  371. self.design.results.url('/' + self.server() + '/results/' + data.id + '/0?format=json');
  372. self.design.watch.url(data.watch_url);
  373. self.design.statement(data.statement);
  374. self.watchQueryLoop();
  375. } else {
  376. self.design.errors.push(data.message);
  377. self.design.isRunning(false);
  378. $(document).trigger('error.query');
  379. }
  380. $(document).trigger('executed.query', data);
  381. },
  382. error: error_fn,
  383. data: data
  384. };
  385. $.ajax(request);
  386. };
  387. self.executeNextStatement = function() {
  388. $(document).trigger('execute.query', data);
  389. self.design.explain(false);
  390. self.design.isRunning(true);
  391. self.design.isFinished(true);
  392. self.design.errors.removeAll();
  393. var data = {
  394. 'next': true
  395. };
  396. var request = {
  397. url: self.design.watch.url(),
  398. dataType: 'json',
  399. type: 'POST',
  400. success: function(data) {
  401. self.design.errors.removeAll();
  402. self.design.watch.logs.removeAll();
  403. self.design.statement(data.statement);
  404. self.design.watch.url(data.watch_url);
  405. self.design.results.url('/' + self.server() + '/results/' + data.id + '/0?format=json');
  406. self.watchQueryLoop();
  407. $(document).trigger('executed.query', data);
  408. },
  409. error: error_fn,
  410. data: data
  411. };
  412. $.ajax(request);
  413. };
  414. self.watchQuery = function() {
  415. var data = {
  416. 'query-query': self.design.query(),
  417. 'query-database': self.database()
  418. };
  419. $.extend(data, self.getSettingsFormData());
  420. $.extend(data, self.getFileResourcesFormData());
  421. $.extend(data, self.getFunctionsFormData());
  422. $.extend(data, self.getParametersFormData());
  423. $.extend(data, self.getOtherData());
  424. var request = {
  425. url: self.design.watch.url(),
  426. dataType: 'json',
  427. type: 'POST',
  428. success: function(data) {
  429. $(document).trigger('watched.query', data);
  430. },
  431. error: function(jqXHR, status, errorThrown) {
  432. self.design.isRunning(false);
  433. try {
  434. var data = $.parseJSON(jqXHR.responseText);
  435. self.design.errors.push(data.error);
  436. } catch(e) {
  437. $(document).trigger('server.unmanageable_error', jqXHR.responseText);
  438. }
  439. },
  440. data: data
  441. };
  442. $.ajax(request);
  443. };
  444. self.watchQueryLoop = function(fn) {
  445. var TIMEOUT = 1000;
  446. var timer = null;
  447. self.design.watch.logs.removeAll();
  448. self.design.watch.errors.removeAll();
  449. self.design.results.rows.removeAll();
  450. self.design.results.columns.removeAll();
  451. var _fn = function() {
  452. $(document).one('watched.query', function(e, data) {
  453. if (data.isSuccess || data.isFailure) {
  454. clearTimeout(timer);
  455. self.design.isRunning(false);
  456. if (data.log) {
  457. self.design.watch.logs.push(data.log);
  458. // scroll logs
  459. }
  460. if (!data.isFailure) {
  461. $(document).trigger('stop_watch.query');
  462. if (fn) {
  463. fn(data);
  464. } else {
  465. self.fetchResults();
  466. }
  467. }
  468. } else {
  469. self.design.statement(data.statement); // In case new no result statement executed
  470. if (data.log) {
  471. self.design.watch.logs.push(data.log);
  472. // scroll logs
  473. }
  474. timer = setTimeout(_fn, TIMEOUT);
  475. }
  476. });
  477. self.watchQuery();
  478. };
  479. $(document).trigger('start_watch.query');
  480. timer = setTimeout(_fn, TIMEOUT);
  481. };
  482. self.fetchResults = function() {
  483. $(document).trigger('fetch.results');
  484. self.design.results.errors.removeAll();
  485. var request = {
  486. url: self.design.results.url(),
  487. dataType: 'json',
  488. type: 'GET',
  489. success: function(data) {
  490. if (data.error) {
  491. self.design.results.errors.push(data.message);
  492. self.design.isRunning(false);
  493. self.design.results.empty(true);
  494. } else {
  495. self.design.isRunning(false);
  496. self.design.isFinished(data.is_finished);
  497. if (self.design.results.columns().length == 0){
  498. self.design.results.columns(data.columns);
  499. }
  500. self.design.results.rows.push.apply(self.design.results.rows, data.results);
  501. self.design.results.empty(self.design.results.rows().length == 0);
  502. if (data.has_more) {
  503. self.design.results.url(data.next_json_set);
  504. } else {
  505. self.design.results.url(null);
  506. }
  507. }
  508. $(document).trigger('fetched.results', [data]);
  509. },
  510. error: error_fn
  511. };
  512. $.ajax(request);
  513. };
  514. self.saveDesign = function() {
  515. var self = this;
  516. if (self.design.query() && self.design.name()) {
  517. var data = {
  518. 'query-query': self.design.query(),
  519. 'query-database': self.database()
  520. };
  521. $.extend(data, self.getSettingsFormData());
  522. $.extend(data, self.getFileResourcesFormData());
  523. $.extend(data, self.getFunctionsFormData());
  524. $.extend(data, self.getParametersFormData());
  525. $.extend(data, self.getOtherData());
  526. data['saveform-name'] = self.design.name();
  527. data['saveform-desc'] = self.design.description();
  528. if (self.design.id() > 0) {
  529. data['query-id'] = self.design.id();
  530. }
  531. var url = '/' + self.server() + '/api/design/';
  532. if (self.design.id() && self.design.id() != -1) {
  533. url += self.design.id();
  534. }
  535. var request = {
  536. url: url,
  537. dataType: 'json',
  538. type: 'POST',
  539. success: function(data) {
  540. self.design.id(data.design_id);
  541. $(document).trigger('saved.design', [data.design_id]);
  542. },
  543. error: function() {
  544. $(document).trigger('error_save.design');
  545. },
  546. data: data
  547. };
  548. $.ajax(request);
  549. }
  550. };
  551. self.cancelQuery = function() {
  552. $(document).trigger('cancel.query');
  553. var url = '/' + self.server() + '/api/query/' + self.design.id() + '/cancel';
  554. $.post(url,
  555. function(response) {
  556. if (response['status'] != 0) {
  557. $(document).trigger('error_cancel.query', response['message']);
  558. } else {
  559. $(document).trigger('cancelled.query');
  560. }
  561. }
  562. );
  563. };
  564. self.closeQuery = function() {
  565. var self = this;
  566. if (self.design.id()) {
  567. var data = {};
  568. var url = '/' + self.server() + '/api/query/' + self.design.id() + '/close';
  569. var request = {
  570. url: url,
  571. dataType: 'json',
  572. type: 'POST',
  573. success: function(data) {
  574. if (data.status == 0) {
  575. $(document).trigger('closed.query', data);
  576. //self.resetQuery(); // Would fail multiqueries
  577. } else {
  578. $(document).trigger('error_close.query');
  579. }
  580. },
  581. error: function(data) {
  582. $(document).trigger('error_close.results');
  583. },
  584. data: data,
  585. async: false // for multi query
  586. };
  587. $.ajax(request);
  588. }
  589. };
  590. self.saveResults = function() {
  591. var self = this;
  592. if (self.design.id()) {
  593. var data = {
  594. 'type': self.design.results.save.type(),
  595. 'path': self.design.results.save.path()
  596. };
  597. var url = '/' + self.server() + '/api/query/' + self.design.id() + '/results/save';
  598. var request = {
  599. url: url,
  600. dataType: 'json',
  601. type: 'POST',
  602. success: function(data) {
  603. if (data.status == 0) {
  604. self.design.results.save.errors(null);
  605. if (data.id) {
  606. // watch this ID.
  607. self.design.watch.url(data.watch_url);
  608. self.design.watch.logs.removeAll();
  609. self.watchQueryLoop(function() {
  610. window.location.href = "/filebrowser/view" + data.path;
  611. });
  612. } else {
  613. // redirect to metastore app.
  614. window.location.href = "/metastore";
  615. }
  616. $(document).trigger('saved.results', data);
  617. } else {
  618. self.design.results.save.errors(data.errors);
  619. $(document).trigger('error_save.results');
  620. }
  621. },
  622. error: function(data) {
  623. self.design.results.save.errors(data);
  624. $(document).trigger('error_save.results');
  625. },
  626. data: data
  627. };
  628. $.ajax(request);
  629. }
  630. };
  631. // Events
  632. // Remove watched query event that watchQueryLoop may be bound to.
  633. $(document).on('server.unmanageable_error', function() {
  634. $(document).off('watched.query');
  635. });
  636. }
  637. // For routie
  638. function showSection(section) {
  639. $('.section').hide();
  640. $('#' + section).show();
  641. }
  642. // File browser button
  643. function getFileBrowseButton(inputElement) {
  644. return $("<button>").addClass("btn").addClass("fileChooserBtn").text("..").click(function (e) {
  645. e.preventDefault();
  646. $("#filechooser").jHueFileChooser({
  647. initialPath: inputElement.val(),
  648. onFileChoose: function (filePath) {
  649. inputElement.val(filePath);
  650. inputElement.trigger("change");
  651. $("#chooseFile").modal("hide");
  652. },
  653. createFolder: false
  654. });
  655. $("#chooseFile").modal("show");
  656. });
  657. }
  658. // utils
  659. function clickHard(el) {
  660. var timer = setInterval(function () {
  661. if ($(el).length > 0) {
  662. $(el).click();
  663. clearInterval(timer);
  664. }
  665. }, 100);
  666. }