ang/api4Explorer/Explorer.js

   1 (function(angular, $, _, undefined) {
   2
   3   // Schema metadata
   4   var schema = CRM.vars.api4.schema;
   5   // FK schema data
   6   var links = CRM.vars.api4.links;
   7   // Cache list of entities
   8   var entities = [];
   9   // Cache list of actions
  10   var actions = [];
  11   // Field options
  12   var fieldOptions = {};
  13   // Api params
  14   var params;
  15
  16
  17   angular.module('api4Explorer').config(function($routeProvider) {
  18     $routeProvider.when('/explorer/:api4entity?/:api4action?', {
  19       controller: 'Api4Explorer',
  20       templateUrl: '~/api4Explorer/Explorer.html',
  21       reloadOnSearch: false
  22     });
  23   });
  24
  25   angular.module('api4Explorer').controller('Api4Explorer', function($scope, $routeParams, $location, $timeout, $http, crmUiHelp, crmApi4, dialogService) {
  26     var ts = $scope.ts = CRM.ts(),
  27       ctrl = $scope.$ctrl = this;
  28     $scope.entities = entities;
  29     $scope.actions = actions;
  30     $scope.fields = [];
  31     $scope.havingOptions = [];
  32     $scope.fieldsAndJoins = [];
  33     $scope.fieldsAndJoinsAndFunctions = [];
  34     $scope.fieldsAndJoinsAndFunctionsWithSuffixes = [];
  35     $scope.fieldsAndJoinsAndFunctionsAndWildcards = [];
  36     $scope.availableParams = {};
  37     params = $scope.params = {};
  38     $scope.index = '';
  39     $scope.selectedTab = {result: 'result', code: 'php'};
  40     $scope.perm = {
  41       accessDebugOutput: CRM.checkPerm('access debug output'),
  42       editGroups: CRM.checkPerm('edit groups')
  43     };
  44     marked.setOptions({highlight: prettyPrintOne});
  45     var getMetaParams = {},
  46       objectParams = {orderBy: 'ASC', values: '', defaults: '', chain: ['Entity', '', '{}']},
  47       docs = CRM.vars.api4.docs,
  48       helpTitle = '',
  49       helpContent = {};
  50     $scope.helpTitle = '';
  51     $scope.helpContent = {};
  52     $scope.entity = $routeParams.api4entity;
  53     $scope.result = [];
  54     $scope.debug = null;
  55     $scope.status = 'default';
  56     $scope.loading = false;
  57     $scope.controls = {};
  58     $scope.langs = ['php', 'js', 'ang', 'cli'];
  59     $scope.joinTypes = [{k: false, v: 'FALSE (LEFT JOIN)'}, {k: true, v: 'TRUE (INNER JOIN)'}];
  60     $scope.bridgeEntities = _.filter(schema, {type: 'BridgeEntity'});
  61     $scope.code = {
  62       php: [
  63         {name: 'oop', label: ts('OOP Style'), code: ''},
  64         {name: 'php', label: ts('Traditional'), code: ''}
  65       ],
  66       js: [
  67         {name: 'js', label: ts('Single Call'), code: ''},
  68         {name: 'js2', label: ts('Batch Calls'), code: ''}
  69       ],
  70       ang: [
  71         {name: 'ang', label: ts('Single Call'), code: ''},
  72         {name: 'ang2', label: ts('Batch Calls'), code: ''}
  73       ],
  74       cli: [
  75         {name: 'cv', label: ts('CV'), code: ''}
  76       ]
  77     };
  78
  79     if (!entities.length) {
  80       formatForSelect2(schema, entities, 'name', ['description', 'icon']);
  81     }
  82
  83     $scope.$bindToRoute({
  84       expr: 'index',
  85       param: 'index',
  86       default: ''
  87     });
  88
  89     function ucfirst(str) {
  90       return str[0].toUpperCase() + str.slice(1);
  91     }
  92
  93     function lcfirst(str) {
  94       return str[0].toLowerCase() + str.slice(1);
  95     }
  96
  97     function pluralize(str) {
  98       var lastLetter = str[str.length - 1],
  99         lastTwo = str[str.length - 2] + lastLetter;
 100       if (lastLetter === 's' || lastLetter === 'x' || lastTwo === 'ch') {
 101         return str + 'es';
 102       }
 103       if (lastLetter === 'y' && lastTwo !== 'ey') {
 104         return str.slice(0, -1) + 'ies';
 105       }
 106       return str + 's';
 107     }
 108
 109     // Reformat an existing array of objects for compatibility with select2
 110     function formatForSelect2(input, container, key, extra, prefix) {
 111       _.each(input, function(item) {
 112         var id = (prefix || '') + item[key];
 113         var formatted = {id: id, text: id};
 114         if (extra) {
 115           _.merge(formatted, _.pick(item, extra));
 116         }
 117         container.push(formatted);
 118       });
 119       return container;
 120     }
 121
 122     // Replaces contents of fieldList array with current fields formatted for select2
 123     function getFieldList(fieldList, action, addPseudoconstant) {
 124       var fieldInfo = _.cloneDeep(_.findWhere(getEntity().actions, {name: action}).fields);
 125       fieldList.length = 0;
 126       if (addPseudoconstant) {
 127         addPseudoconstants(fieldInfo, addPseudoconstant);
 128       }
 129       formatForSelect2(fieldInfo, fieldList, 'name', ['description', 'required', 'default_value']);
 130     }
 131
 132     // Note: this function expects fieldList to be select2-formatted already
 133     function addJoins(fieldList, addWildcard, addPseudoconstant) {
 134       // Add entities specified by the join param
 135       _.each(getExplicitJoins(), function(joinEntity, joinAlias) {
 136         var wildCard = addWildcard ? [{id: joinAlias + '.*', text: joinAlias + '.*', 'description': 'All core ' + joinEntity + ' fields'}] : [],
 137           joinFields = _.cloneDeep(entityFields(joinEntity));
 138         if (joinFields) {
 139           if (addPseudoconstant) {
 140             addPseudoconstants(joinFields, addPseudoconstant);
 141           }
 142           fieldList.push({
 143             text: joinEntity + ' AS ' + joinAlias,
 144             description: 'Explicit join to ' + joinEntity,
 145             children: wildCard.concat(formatForSelect2(joinFields, [], 'name', ['description'], joinAlias + '.'))
 146           });
 147         }
 148       });
 149       // Add implicit joins based on schema links
 150       _.each(links[$scope.entity], function(link) {
 151         var linkFields = _.cloneDeep(entityFields(link.entity)),
 152           wildCard = addWildcard ? [{id: link.alias + '.*', text: link.alias + '.*', 'description': 'All core ' + link.entity + ' fields'}] : [];
 153         if (linkFields) {
 154           if (addPseudoconstant) {
 155             addPseudoconstants(linkFields, addPseudoconstant);
 156           }
 157           fieldList.push({
 158             text: link.alias,
 159             description: 'Implicit join to ' + link.entity,
 160             children: wildCard.concat(formatForSelect2(linkFields, [], 'name', ['description'], link.alias + '.'))
 161           });
 162         }
 163       });
 164     }
 165
 166     // Note: this function transforms a raw list a-la getFields; not a select2-formatted list
 167     function addPseudoconstants(fieldList, toAdd) {
 168       var optionFields = _.filter(fieldList, 'options');
 169       _.each(optionFields, function(field) {
 170         var pos = _.findIndex(fieldList, {name: field.name}) + 1;
 171         _.each(toAdd, function(suffix) {
 172           var newField = _.cloneDeep(field);
 173           newField.name += ':' + suffix;
 174           fieldList.splice(pos, 0, newField);
 175         });
 176       });
 177     }
 178
 179     $scope.help = function(title, content) {
 180       if (!content) {
 181         $scope.helpTitle = helpTitle;
 182         $scope.helpContent = helpContent;
 183       } else {
 184         $scope.helpTitle = title;
 185         $scope.helpContent = formatHelp(content);
 186       }
 187     };
 188
 189     // Sets the static help text (which gets overridden by mousing over other elements)
 190     function setHelp(title, content) {
 191       $scope.helpTitle = helpTitle = title;
 192       $scope.helpContent = helpContent = formatHelp(content);
 193     }
 194
 195     // Convert plain-text help to markdown; replace variables and format links
 196     function formatHelp(rawContent) {
 197       function formatRefs(see) {
 198         _.each(see, function(ref, idx) {
 199           var match = ref.match(/^\\Civi\\Api4\\([a-zA-Z]+)$/);
 200           if (match) {
 201             ref = '#/explorer/' + match[1];
 202           }
 203           if (ref[0] === '\\') {
 204             ref = 'https://github.com/civicrm/civicrm-core/blob/master' + ref.replace(/\\/i, '/') + '.php';
 205           }
 206           see[idx] = '<a target="' + (ref[0] === '#' ? '_self' : '_blank') + '" href="' + ref + '">' + see[idx] + '</a>';
 207         });
 208       }
 209       var formatted = _.cloneDeep(rawContent);
 210       if (formatted.description) {
 211         formatted.description = marked(formatted.description);
 212       }
 213       if (formatted.comment) {
 214         formatted.comment = marked(formatted.comment);
 215       }
 216       formatRefs(formatted.see);
 217       return formatted;
 218     }
 219
 220     $scope.fieldHelp = function(fieldName) {
 221       var field = getField(fieldName, $scope.entity, $scope.action);
 222       if (!field) {
 223         return;
 224       }
 225       var info = {
 226           description: field.description,
 227           type: field.data_type
 228         };
 229       if (field.default_value) {
 230         info.default = field.default_value;
 231       }
 232       if (field.required_if) {
 233         info.required_if = field.required_if;
 234       } else if (field.required) {
 235         info.required = 'true';
 236       }
 237       return info;
 238     };
 239
 240     // Returns field list for write params (values, defaults)
 241     $scope.fieldList = function(param) {
 242       return function() {
 243         var fields = [];
 244         getFieldList(fields, $scope.action === 'getFields' ? ($scope.params.action || 'get') : $scope.action, ['name']);
 245         // Disable fields that are already in use
 246         _.each($scope.params[param] || [], function(val) {
 247           var usedField = val[0].replace(':name', '');
 248           (_.findWhere(fields, {id: usedField}) || {}).disabled = true;
 249           (_.findWhere(fields, {id: usedField + ':name'}) || {}).disabled = true;
 250         });
 251         return {results: fields};
 252       };
 253     };
 254
 255     $scope.formatSelect2Item = function(row) {
 256       return _.escape(row.text) +
 257         (row.required ? '<span class="crm-marker"> *</span>' : '') +
 258         (row.description ? '<div class="crm-select2-row-description"><p>' + _.escape(row.description) + '</p></div>' : '');
 259     };
 260
 261     $scope.clearParam = function(name, idx) {
 262       if (typeof idx === 'undefined') {
 263         $scope.params[name] = $scope.availableParams[name].default;
 264       } else {
 265         $scope.params[name].splice(idx, 1);
 266       }
 267     };
 268
 269     // Gets params that should be represented as generic input fields in the explorer
 270     // This fn doesn't have to be particularly efficient as its output is cached in one-time bindings
 271     $scope.getGenericParams = function(paramType, defaultNull) {
 272       // Returns undefined if params are not yet set; one-time bindings will stabilize when this function returns a value
 273       if (_.isEmpty($scope.availableParams)) {
 274         return;
 275       }
 276       var specialParams = ['select', 'fields', 'action', 'where', 'values', 'defaults', 'orderBy', 'chain', 'groupBy', 'having', 'join'];
 277       if ($scope.availableParams.limit && $scope.availableParams.offset) {
 278         specialParams.push('limit', 'offset');
 279       }
 280       return _.transform($scope.availableParams, function(genericParams, param, name) {
 281         if (!_.contains(specialParams, name) &&
 282           !(typeof paramType !== 'undefined' && !_.contains(paramType, param.type[0])) &&
 283           !(typeof defaultNull !== 'undefined' && ((param.default === null) !== defaultNull))
 284         ) {
 285           genericParams[name] = param;
 286         }
 287       });
 288     };
 289
 290     $scope.selectRowCount = function() {
 291       var index = params.select.indexOf('row_count');
 292       if (index < 0) {
 293         $scope.params.select.push('row_count');
 294       } else {
 295         $scope.params.select.splice(index, 1);
 296       }
 297     };
 298
 299     $scope.isSelectRowCount = function() {
 300       return isSelectRowCount($scope.params);
 301     };
 302
 303     $scope.selectLang = function(lang) {
 304       $scope.selectedTab.code = lang;
 305       writeCode();
 306     };
 307
 308     function isSelectRowCount(params) {
 309       return params && params.select && params.select.indexOf('row_count') >= 0;
 310     }
 311
 312     function getEntity(entityName) {
 313       return _.findWhere(schema, {name: entityName || $scope.entity});
 314     }
 315
 316     // Get name of entity given join alias
 317     function entityNameFromAlias(alias) {
 318       var joins = getExplicitJoins(),
 319         entity = $scope.entity,
 320         path = alias.split('.');
 321       // First check explicit joins
 322       if (joins[alias]) {
 323         return joins[alias];
 324       }
 325       // Then lookup implicit links
 326       _.each(path, function(node) {
 327         entity = _.find(links[entity], {alias: node}).entity;
 328       });
 329       return entity;
 330     }
 331
 332     // Get all params that have been set
 333     function getParams() {
 334       var params = {};
 335       _.each($scope.params, function(param, key) {
 336         if (param != $scope.availableParams[key].default && !(typeof param === 'object' && _.isEmpty(param))) {
 337           if (_.contains($scope.availableParams[key].type, 'array') && (typeof objectParams[key] === 'undefined')) {
 338             params[key] = parseYaml(JSON.parse(angular.toJson(param)));
 339           } else {
 340             params[key] = param;
 341           }
 342         }
 343       });
 344       _.each(objectParams, function(defaultVal, key) {
 345         if (params[key]) {
 346           var newParam = {};
 347           _.each(params[key], function(item) {
 348             var val = _.cloneDeep(item[1]);
 349             // Remove blank items from "chain" array
 350             if (_.isArray(val)) {
 351               _.eachRight(item[1], function(v, k) {
 352                 if (v) {
 353                   return false;
 354                 }
 355                 val.length--;
 356               });
 357             }
 358             newParam[item[0]] = parseYaml(val);
 359           });
 360           params[key] = newParam;
 361         }
 362       });
 363       return params;
 364     }
 365
 366     function parseYaml(input) {
 367       if (typeof input === 'undefined' || input === '') {
 368         return input;
 369       }
 370       // Return literal quoted string without removing quotes - for the sake of JOIN ON clauses
 371       if (_.isString(input) && input[0] === input[input.length - 1] && _.includes(["'", '"'], input[0])) {
 372         return input;
 373       }
 374       if (_.isObject(input) || _.isArray(input)) {
 375         _.each(input, function(item, index) {
 376           input[index] = parseYaml(item);
 377         });
 378         return input;
 379       }
 380       try {
 381         var output = (input === '>') ? '>' : jsyaml.safeLoad(input);
 382         // We don't want dates parsed to js objects
 383         return _.isDate(output) ? input : output;
 384       } catch (e) {
 385         return input;
 386       }
 387     }
 388
 389     this.buildFieldList = function() {
 390       var actionInfo = _.findWhere(actions, {id: $scope.action});
 391       getFieldList($scope.fields, $scope.action);
 392       getFieldList($scope.fieldsAndJoins, $scope.action, ['name']);
 393       getFieldList($scope.fieldsAndJoinsAndFunctions, $scope.action);
 394       getFieldList($scope.fieldsAndJoinsAndFunctionsWithSuffixes, $scope.action, ['name', 'label']);
 395       getFieldList($scope.fieldsAndJoinsAndFunctionsAndWildcards, $scope.action, ['name', 'label']);
 396       if (_.contains(['get', 'update', 'delete', 'replace'], $scope.action)) {
 397         addJoins($scope.fieldsAndJoins);
 398         // SQL functions are supported if HAVING is
 399         if (actionInfo.params.having) {
 400           var functions = {
 401             text: ts('FUNCTION'),
 402             description: ts('Calculate result of a SQL function'),
 403             children: _.transform(CRM.vars.api4.functions, function(result, fn) {
 404               result.push({
 405                 id: fn.name + '() AS ' + fn.name.toLowerCase(),
 406                 text: fn.name + '()',
 407                 description: fn.name + '(' + describeSqlFn(fn.params) + ')'
 408               });
 409             })
 410           };
 411           $scope.fieldsAndJoinsAndFunctions.push(functions);
 412           $scope.fieldsAndJoinsAndFunctionsWithSuffixes.push(functions);
 413           $scope.fieldsAndJoinsAndFunctionsAndWildcards.push(functions);
 414         }
 415         addJoins($scope.fieldsAndJoinsAndFunctions, true);
 416         addJoins($scope.fieldsAndJoinsAndFunctionsWithSuffixes, false, ['name', 'label']);
 417         addJoins($scope.fieldsAndJoinsAndFunctionsAndWildcards, true, ['name', 'label']);
 418       }
 419       $scope.fieldsAndJoinsAndFunctionsAndWildcards.unshift({id: '*', text: '*', 'description': 'All core ' + $scope.entity + ' fields'});
 420     };
 421
 422     function selectAction() {
 423       $scope.action = $routeParams.api4action;
 424       if (!actions.length) {
 425         formatForSelect2(getEntity().actions, actions, 'name', ['description', 'params']);
 426       }
 427       if ($scope.action) {
 428         var actionInfo = _.findWhere(actions, {id: $scope.action});
 429         _.each(actionInfo.params, function (param, name) {
 430           var format,
 431             defaultVal = _.cloneDeep(param.default);
 432           if (param.type) {
 433             switch (param.type[0]) {
 434               case 'int':
 435               case 'bool':
 436                 format = param.type[0];
 437                 break;
 438
 439               case 'array':
 440               case 'object':
 441                 format = 'json';
 442                 break;
 443
 444               default:
 445                 format = 'raw';
 446             }
 447             if (name === 'limit') {
 448               defaultVal = 25;
 449             }
 450             if (name === 'debug') {
 451               defaultVal = true;
 452             }
 453             if (name === 'values') {
 454               defaultVal = defaultValues(defaultVal);
 455             }
 456             if (name === 'loadOptions' && $scope.action === 'getFields') {
 457               param.options = [
 458                 false,
 459                 true,
 460                 ['id', 'name', 'label'],
 461                 ['id', 'name', 'label', 'abbr', 'description', 'color', 'icon']
 462               ];
 463               format = 'json';
 464               defaultVal = false;
 465               param.type = ['string'];
 466             }
 467             $scope.$bindToRoute({
 468               expr: 'params["' + name + '"]',
 469               param: name,
 470               format: format,
 471               default: defaultVal,
 472               deep: format === 'json'
 473             });
 474           }
 475           if (typeof objectParams[name] !== 'undefined' && name !== 'orderBy') {
 476             $scope.$watch('params.' + name, function (values) {
 477               // Remove empty values
 478               _.each(values, function (clause, index) {
 479                 if (!clause || !clause[0]) {
 480                   $scope.clearParam(name, index);
 481                 }
 482               });
 483             }, true);
 484           }
 485           if (name === 'select' && actionInfo.params.having) {
 486             $scope.$watchCollection('params.select', function(newSelect) {
 487               // Ignore row_count, it can't be used in HAVING clause
 488               var select = _.without(newSelect, 'row_count');
 489               $scope.havingOptions.length = 0;
 490               // An empty select is an implicit *
 491               if (!select.length) {
 492                 select.push('*');
 493               }
 494               _.each(select, function(item) {
 495                 var joinEntity,
 496                   pieces = item.split(' AS '),
 497                   alias = _.trim(pieces[pieces.length - 1]).replace(':label', ':name');
 498                 // Expand wildcards
 499                 if (alias[alias.length - 1] === '*') {
 500                   if (alias.length > 1) {
 501                     joinEntity = entityNameFromAlias(alias.slice(0, -2));
 502                   }
 503                   var fieldList = _.filter(getEntity(joinEntity).fields, {custom_field_id: null});
 504                   formatForSelect2(fieldList, $scope.havingOptions, 'name', ['description', 'required', 'default_value'], alias.slice(0, -1));
 505                 }
 506                 else {
 507                   $scope.havingOptions.push({id: alias, text: alias});
 508                 }
 509               });
 510             });
 511           }
 512           if (typeof objectParams[name] !== 'undefined' || name === 'groupBy' || name === 'select' || name === 'join') {
 513             $scope.$watch('controls.' + name, function(value) {
 514               var field = value;
 515               $timeout(function() {
 516                 if (field) {
 517                   if (name === 'join') {
 518                     $scope.params[name].push([field + ' AS ' + _.snakeCase(field), false]);
 519                     ctrl.buildFieldList();
 520                   }
 521                   else if (typeof objectParams[name] === 'undefined') {
 522                     $scope.params[name].push(field);
 523                   } else {
 524                     var defaultOp = _.cloneDeep(objectParams[name]);
 525                     if (name === 'chain') {
 526                       var num = $scope.params.chain.length;
 527                       defaultOp[0] = field;
 528                       field = 'name_me_' + num;
 529                     }
 530                     $scope.params[name].push([field, defaultOp]);
 531                   }
 532                   $scope.controls[name] = null;
 533                 }
 534               });
 535             });
 536           }
 537         });
 538         ctrl.buildFieldList();
 539         $scope.availableParams = actionInfo.params;
 540       }
 541       writeCode();
 542     }
 543
 544     function describeSqlFn(params) {
 545       var desc = ' ';
 546       _.each(params, function(param) {
 547         desc += ' ';
 548         if (param.prefix) {
 549           desc += _.filter(param.prefix).join('|') + ' ';
 550         }
 551         if (param.expr === 1) {
 552           desc += 'expr ';
 553         } else if (param.expr > 1) {
 554           desc += 'expr, ... ';
 555         }
 556         if (param.suffix) {
 557           desc += ' ' + _.filter(param.suffix).join('|') + ' ';
 558         }
 559       });
 560       return desc.replace(/[ ]+/g, ' ');
 561     }
 562
 563     function defaultValues(defaultVal) {
 564       _.each($scope.fields, function(field) {
 565         if (field.required) {
 566           defaultVal.push([field.id, '']);
 567         }
 568       });
 569       return defaultVal;
 570     }
 571
 572     function stringify(value, trim) {
 573       if (typeof value === 'undefined') {
 574         return '';
 575       }
 576       var str = JSON.stringify(value).replace(/,/g, ', ');
 577       if (trim) {
 578         str = str.slice(1, -1);
 579       }
 580       return str.trim();
 581     }
 582
 583     function writeCode() {
 584       var code = {},
 585         entity = $scope.entity,
 586         action = $scope.action,
 587         params = getParams(),
 588         index = isInt($scope.index) ? +$scope.index : parseYaml($scope.index),
 589         result = 'result';
 590       if ($scope.entity && $scope.action) {
 591         delete params.debug;
 592         if (action.slice(0, 3) === 'get') {
 593           result = entity.substr(0, 7) === 'Custom_' ? _.camelCase(entity.substr(7)) : entity;
 594           result = lcfirst(action.replace(/s$/, '').slice(3) || result);
 595         }
 596         var results = lcfirst(_.isNumber(index) ? result : pluralize(result)),
 597           paramCount = _.size(params),
 598           i = 0;
 599
 600         switch ($scope.selectedTab.code) {
 601           case 'js':
 602           case 'ang':
 603             // Write javascript
 604             var js = "'" + entity + "', '" + action + "', {";
 605             _.each(params, function(param, key) {
 606               js += "\n  " + key + ': ' + stringify(param) +
 607                 (++i < paramCount ? ',' : '');
 608               if (key === 'checkPermissions') {
 609                 js += ' // IGNORED: permissions are always enforced from client-side requests';
 610               }
 611             });
 612             js += "\n}";
 613             if (index || index === 0) {
 614               js += ', ' + JSON.stringify(index);
 615             }
 616             code.js = "CRM.api4(" + js + ").then(function(" + results + ") {\n  // do something with " + results + " array\n}, function(failure) {\n  // handle failure\n});";
 617             code.js2 = "CRM.api4({" + results + ': [' + js + "]}).then(function(batch) {\n  // do something with batch." + results + " array\n}, function(failure) {\n  // handle failure\n});";
 618             code.ang = "crmApi4(" + js + ").then(function(" + results + ") {\n  // do something with " + results + " array\n}, function(failure) {\n  // handle failure\n});";
 619             code.ang2 = "crmApi4({" + results + ': [' + js + "]}).then(function(batch) {\n  // do something with batch." + results + " array\n}, function(failure) {\n  // handle failure\n});";
 620             break;
 621
 622           case 'php':
 623             // Write php code
 624             code.php = '$' + results + " = civicrm_api4('" + entity + "', '" + action + "', [";
 625             _.each(params, function(param, key) {
 626               code.php += "\n  '" + key + "' => " + phpFormat(param, 4) + ',';
 627             });
 628             code.php += "\n]";
 629             if (index || index === 0) {
 630               code.php += ', ' + phpFormat(index);
 631             }
 632             code.php += ");";
 633
 634             // Write oop code
 635             code.oop = '$' + results + " = " + formatOOP(entity, action, params, 2) + "\n  ->execute()";
 636             if (_.isNumber(index)) {
 637               code.oop += !index ? '\n  ->first()' : (index === -1 ? '\n  ->last()' : '\n  ->itemAt(' + index + ')');
 638             } else if (index) {
 639               if (_.isString(index) || (_.isPlainObject(index) && !index[0] && !index['0'])) {
 640                 code.oop += "\n  ->indexBy('" + (_.isPlainObject(index) ? _.keys(index)[0] : index) + "')";
 641               }
 642               if (_.isArray(index) || _.isPlainObject(index)) {
 643                 code.oop += "\n  ->column('" + (_.isArray(index) ? index[0] : _.values(index)[0]) + "')";
 644               }
 645             }
 646             code.oop += ";\n";
 647             if (!_.isNumber(index)) {
 648               code.oop += "foreach ($" + results + ' as $' + ((_.isString(index) && index) ? index + ' => $' : '') + result + ') {\n  // do something\n}';
 649             }
 650             break;
 651
 652           case 'cli':
 653             // Write cli code
 654             code.cv = 'cv api4 ' + entity + '.' + action + " '" + stringify(params) + "'";
 655         }
 656       }
 657       _.each($scope.code, function(vals) {
 658         _.each(vals, function(style) {
 659           style.code = code[style.name] ? prettyPrintOne(code[style.name]) : '';
 660         });
 661       });
 662     }
 663
 664     // Format oop params
 665     function formatOOP(entity, action, params, indent) {
 666       var code = '',
 667         newLine = "\n" + _.repeat(' ', indent),
 668         perm = params.checkPermissions === false ? 'FALSE' : '';
 669       if (entity.substr(0, 7) !== 'Custom_') {
 670         code = "\\Civi\\Api4\\" + entity + '::' + action + '(' + perm + ')';
 671       } else {
 672         code = "\\Civi\\Api4\\CustomValue::" + action + "('" + entity.substr(7) + "'" + (perm ? ', ' : '') + perm + ")";
 673       }
 674       _.each(params, function(param, key) {
 675         var val = '';
 676         if (typeof objectParams[key] !== 'undefined' && key !== 'chain') {
 677           _.each(param, function(item, index) {
 678             val = phpFormat(index) + ', ' + phpFormat(item, 2 + indent);
 679             code += newLine + "->add" + ucfirst(key).replace(/s$/, '') + '(' + val + ')';
 680           });
 681         } else if (key === 'where') {
 682           _.each(param, function (clause) {
 683             if (clause[0] === 'AND' || clause[0] === 'OR' || clause[0] === 'NOT') {
 684               code += newLine + "->addClause(" + phpFormat(clause[0]) + ", " + phpFormat(clause[1]).slice(1, -1) + ')';
 685             } else {
 686               code += newLine + "->addWhere(" + phpFormat(clause).slice(1, -1) + ")";
 687             }
 688           });
 689         } else if (key === 'select') {
 690           // selectRowCount() is a shortcut for addSelect('row_count')
 691           if (isSelectRowCount(params)) {
 692             code += newLine + '->selectRowCount()';
 693             param = _.without(param, 'row_count');
 694           }
 695           // addSelect() is a variadic function & can take multiple arguments
 696           if (param.length) {
 697             code += newLine + '->addSelect(' + phpFormat(param).slice(1, -1) + ')';
 698           }
 699         } else if (key === 'chain') {
 700           _.each(param, function(chain, name) {
 701             code += newLine + "->addChain('" + name + "', " + formatOOP(chain[0], chain[1], chain[2], 2 + indent);
 702             code += (chain.length > 3 ? ',' : '') + (!_.isEmpty(chain[2]) ? newLine : ' ') + (chain.length > 3 ? phpFormat(chain[3]) : '') + ')';
 703           });
 704         }
 705         else if (key !== 'checkPermissions') {
 706           code += newLine + "->set" + ucfirst(key) + '(' + phpFormat(param, 2 + indent) + ')';
 707         }
 708       });
 709       return code;
 710     }
 711
 712     function isInt(value) {
 713       if (_.isFinite(value)) {
 714         return true;
 715       }
 716       if (!_.isString(value)) {
 717         return false;
 718       }
 719       return /^-{0,1}\d+$/.test(value);
 720     }
 721
 722     function formatMeta(resp) {
 723       var ret = '';
 724       _.each(resp, function(val, key) {
 725         if (key !== 'values' && !_.isPlainObject(val) && !_.isFunction(val)) {
 726           ret += (ret.length ? ', ' : '') + key + ': ' + (_.isArray(val) ? '[' + val + ']' : val);
 727         }
 728       });
 729       return prettyPrintOne(_.escape(ret));
 730     }
 731
 732     $scope.execute = function() {
 733       $scope.status = 'info';
 734       $scope.loading = true;
 735       $http.post(CRM.url('civicrm/ajax/api4/' + $scope.entity + '/' + $scope.action, {
 736         params: angular.toJson(getParams()),
 737         index: isInt($scope.index) ? +$scope.index : parseYaml($scope.index)
 738       }), null, {
 739         headers: {
 740           'X-Requested-With': 'XMLHttpRequest'
 741         }
 742       }).then(function(resp) {
 743           $scope.loading = false;
 744           $scope.status = resp.data && resp.data.debug && resp.data.debug.log ? 'warning' : 'success';
 745           $scope.debug = debugFormat(resp.data);
 746           $scope.result = [
 747             formatMeta(resp.data),
 748             prettyPrintOne('(' + resp.data.values.length + ') ' + _.escape(JSON.stringify(resp.data.values, null, 2)), 'js', 1)
 749           ];
 750         }, function(resp) {
 751           $scope.loading = false;
 752           $scope.status = 'danger';
 753           $scope.debug = debugFormat(resp.data);
 754           $scope.result = [
 755             formatMeta(resp),
 756             prettyPrintOne(_.escape(JSON.stringify(resp.data, null, 2)))
 757           ];
 758         });
 759     };
 760
 761     function debugFormat(data) {
 762       var debug = data.debug ? prettyPrintOne(_.escape(JSON.stringify(data.debug, null, 2)).replace(/\\n/g, "\n")) : null;
 763       delete data.debug;
 764       return debug;
 765     }
 766
 767     /**
 768      * Format value to look like php code
 769      */
 770     function phpFormat(val, indent) {
 771       if (typeof val === 'undefined') {
 772         return '';
 773       }
 774       if (val === null || val === true || val === false) {
 775         return JSON.stringify(val).toUpperCase();
 776       }
 777       indent = (typeof indent === 'number') ? _.repeat(' ', indent) : (indent || '');
 778       var ret = '',
 779         baseLine = indent ? indent.slice(0, -2) : '',
 780         newLine = indent ? '\n' : '',
 781         trailingComma = indent ? ',' : '';
 782       if ($.isPlainObject(val)) {
 783         $.each(val, function(k, v) {
 784           ret += (ret ? ', ' : '') + newLine + indent + "'" + k + "' => " + phpFormat(v);
 785         });
 786         return '[' + ret + trailingComma + newLine + baseLine + ']';
 787       }
 788       if ($.isArray(val)) {
 789         $.each(val, function(k, v) {
 790           ret += (ret ? ', ' : '') + newLine + indent + phpFormat(v);
 791         });
 792         return '[' + ret + trailingComma + newLine + baseLine + ']';
 793       }
 794       if (_.isString(val) && !_.contains(val, "'")) {
 795         return "'" + val + "'";
 796       }
 797       return JSON.stringify(val).replace(/\$/g, '\\$');
 798     }
 799
 800     function fetchMeta() {
 801       crmApi4(getMetaParams)
 802         .then(function(data) {
 803           if (data.actions) {
 804             getEntity().actions = data.actions;
 805             selectAction();
 806           }
 807         });
 808     }
 809
 810     // Help for an entity with no action selected
 811     function showEntityHelp(entityName) {
 812       var entityInfo = getEntity(entityName);
 813       setHelp($scope.entity, {
 814         description: entityInfo.description,
 815         comment: entityInfo.comment,
 816         see: entityInfo.see
 817       });
 818     }
 819
 820     if (!$scope.entity) {
 821       setHelp(ts('APIv4 Explorer'), {description: docs.description, comment: docs.comment, see: docs.see});
 822     } else if (!actions.length && !getEntity().actions) {
 823       getMetaParams.actions = [$scope.entity, 'getActions', {chain: {fields: [$scope.entity, 'getFields', {action: '$name'}]}}];
 824       fetchMeta();
 825     } else {
 826       selectAction();
 827     }
 828
 829     if ($scope.entity) {
 830       showEntityHelp($scope.entity);
 831     }
 832
 833     // Update route when changing entity
 834     $scope.$watch('entity', function(newVal, oldVal) {
 835       if (oldVal !== newVal) {
 836         // Flush actions cache to re-fetch for new entity
 837         actions = [];
 838         $location.url('/explorer/' + newVal);
 839       }
 840     });
 841
 842     // Update route when changing actions
 843     $scope.$watch('action', function(newVal, oldVal) {
 844       if ($scope.entity && $routeParams.api4action !== newVal && !_.isUndefined(newVal)) {
 845         $location.url('/explorer/' + $scope.entity + '/' + newVal);
 846       } else if (newVal) {
 847         setHelp($scope.entity + '::' + newVal, _.pick(_.findWhere(getEntity().actions, {name: newVal}), ['description', 'comment', 'see']));
 848       }
 849     });
 850
 851     $scope.paramDoc = function(name) {
 852       return docs.params[name];
 853     };
 854
 855     $scope.executeDoc = function() {
 856       var doc = {
 857         description: ts('Runs API call on the CiviCRM database.'),
 858         comment: ts('Results and debugging info will be displayed below.')
 859       };
 860       if ($scope.action === 'delete') {
 861         doc.WARNING = ts('This API call will be executed on the real database. Deleting data cannot be undone.');
 862       }
 863       else if ($scope.action && $scope.action.slice(0, 3) !== 'get') {
 864         doc.WARNING = ts('This API call will be executed on the real database. It cannot be undone.');
 865       }
 866       return doc;
 867     };
 868
 869     $scope.saveDoc = function() {
 870       return {
 871         description: ts('Save API call as a smart group.'),
 872         comment: ts('Create a SavedSearch using these API params to populate a smart group.') +
 873           '\n\n' + ts('NOTE: you must select contact id as the only field.')
 874       };
 875     };
 876
 877     $scope.$watch('params', writeCode, true);
 878     $scope.$watch('index', writeCode);
 879     writeCode();
 880
 881     $scope.save = function() {
 882       $scope.params.limit = $scope.params.offset = 0;
 883       if ($scope.params.chain.length) {
 884         CRM.alert(ts('Smart groups are not compatible with API chaining.'), ts('Error'), 'error', {expires: 5000});
 885         return;
 886       }
 887       if ($scope.params.select.length !== 1 || !_.includes($scope.params.select[0], 'id')) {
 888         CRM.alert(ts('To create a smart group, the API must select contact id and no other fields.'), ts('Error'), 'error', {expires: 5000});
 889         return;
 890       }
 891       var model = {
 892         title: '',
 893         description: '',
 894         visibility: 'User and User Admin Only',
 895         group_type: [],
 896         id: null,
 897         entity: $scope.entity,
 898         params: JSON.parse(angular.toJson($scope.params))
 899       };
 900       model.params.version = 4;
 901       delete model.params.chain;
 902       delete model.params.debug;
 903       delete model.params.limit;
 904       delete model.params.offset;
 905       delete model.params.orderBy;
 906       delete model.params.checkPermissions;
 907       var options = CRM.utils.adjustDialogDefaults({
 908         width: '500px',
 909         autoOpen: false,
 910         title: ts('Save smart group')
 911       });
 912       dialogService.open('saveSearchDialog', '~/api4Explorer/SaveSearch.html', model, options);
 913     };
 914   });
 915
 916   angular.module('api4Explorer').controller('SaveSearchCtrl', function($scope, crmApi4, dialogService) {
 917     var ts = $scope.ts = CRM.ts(),
 918       model = $scope.model;
 919     $scope.groupEntityRefParams = {
 920       entity: 'Group',
 921       api: {
 922         params: {is_hidden: 0, is_active: 1, 'saved_search_id.api_entity': model.entity},
 923         extra: ['saved_search_id', 'description', 'visibility', 'group_type']
 924       },
 925       select: {
 926         allowClear: true,
 927         minimumInputLength: 0,
 928         placeholder: ts('Select existing group')
 929       }
 930     };
 931     if (!CRM.checkPerm('administer reserved groups')) {
 932       $scope.groupEntityRefParams.api.params.is_reserved = 0;
 933     }
 934     $scope.perm = {
 935       administerReservedGroups: CRM.checkPerm('administer reserved groups')
 936     };
 937     $scope.options = CRM.vars.api4.groupOptions;
 938     $scope.$watch('model.id', function(id) {
 939       if (id) {
 940         _.assign(model, $('#api-save-search-select-group').select2('data').extra);
 941       }
 942     });
 943     $scope.cancel = function() {
 944       dialogService.cancel('saveSearchDialog');
 945     };
 946     $scope.save = function() {
 947       $('.ui-dialog:visible').block();
 948       var group = model.id ? {id: model.id} : {title: model.title};
 949       group.description = model.description;
 950       group.visibility = model.visibility;
 951       group.group_type = model.group_type;
 952       group.saved_search_id = '$id';
 953       var savedSearch = {
 954         api_entity: model.entity,
 955         api_params: model.params
 956       };
 957       if (group.id) {
 958         savedSearch.id = model.saved_search_id;
 959       }
 960       crmApi4('SavedSearch', 'save', {records: [savedSearch], chain: {group: ['Group', 'save', {'records': [group]}]}})
 961         .then(function(result) {
 962           dialogService.close('saveSearchDialog', result[0]);
 963         });
 964     };
 965   });
 966
 967   angular.module('api4Explorer').directive('crmApi4Clause', function() {
 968     return {
 969       scope: {
 970         data: '<crmApi4Clause'
 971       },
 972       templateUrl: '~/api4Explorer/Clause.html',
 973       controller: function ($scope, $element, $timeout) {
 974         var ts = $scope.ts = CRM.ts(),
 975           ctrl = $scope.$ctrl = this;
 976         this.conjunctions = {AND: ts('And'), OR: ts('Or'), NOT: ts('Not')};
 977         this.operators = CRM.vars.api4.operators;
 978         this.sortOptions = {
 979           axis: 'y',
 980           connectWith: '.api4-clause-group-sortable',
 981           containment: $element.closest('.api4-clause-fieldset'),
 982           over: onSortOver,
 983           start: onSort,
 984           stop: onSort
 985         };
 986
 987         this.addGroup = function(op) {
 988           $scope.data.clauses.push([op, []]);
 989         };
 990
 991         this.removeGroup = function() {
 992           $scope.data.groupParent.splice($scope.data.groupIndex, 1);
 993         };
 994
 995         function onSort(event, ui) {
 996           $($element).closest('.api4-clause-fieldset').toggleClass('api4-sorting', event.type === 'sortstart');
 997           $('.api4-input.form-inline').css('margin-left', '');
 998         }
 999
1000         // Indent clause while dragging between nested groups
1001         function onSortOver(event, ui) {
1002           var offset = 0;
1003           if (ui.sender) {
1004             offset = $(ui.placeholder).offset().left - $(ui.sender).offset().left;
1005           }
1006           $('.api4-input.form-inline.ui-sortable-helper').css('margin-left', '' + offset + 'px');
1007         }
1008
1009         this.addClause = function() {
1010           $timeout(function() {
1011             if (ctrl.newClause) {
1012               $scope.data.clauses.push([ctrl.newClause, '=', '']);
1013               ctrl.newClause = null;
1014             }
1015           });
1016         };
1017         $scope.$watch('data.clauses', function(values) {
1018           // Iterate in reverse order so index doesn't get out-of-sync during splice
1019           _.forEachRight(values, function(clause, index) {
1020             // Remove empty values
1021             if (index >= ($scope.data.skip  || 0)) {
1022               if (typeof clause !== 'undefined' && !clause[0]) {
1023                 values.splice(index, 1);
1024               }
1025               // Add/remove value if operator allows for one
1026               else if (typeof clause[1] === 'string' && _.contains(clause[1], 'NULL')) {
1027                 clause.length = 2;
1028               } else if (typeof clause[1] === 'string' && clause.length === 2) {
1029                 clause.push('');
1030               }
1031             }
1032           });
1033         }, true);
1034       }
1035     };
1036   });
1037
1038   angular.module('api4Explorer').directive('api4ExpValue', function($routeParams, crmApi4) {
1039     return {
1040       scope: {
1041         data: '=api4ExpValue'
1042       },
1043       require: 'ngModel',
1044       link: function (scope, element, attrs, ctrl) {
1045         var ts = scope.ts = CRM.ts(),
1046           multi = _.includes(['IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN'], scope.data.op),
1047           entity = $routeParams.api4entity,
1048           action = scope.data.action || $routeParams.api4action;
1049
1050         function destroyWidget() {
1051           var $el = $(element);
1052           if ($el.is('.crm-form-date-wrapper .crm-hidden-date')) {
1053             $el.crmDatepicker('destroy');
1054           }
1055           if ($el.is('.select2-container + input')) {
1056             $el.crmEntityRef('destroy');
1057           }
1058           $(element).removeData().removeAttr('type').removeAttr('placeholder').show();
1059         }
1060
1061         function makeWidget(field, op) {
1062           var $el = $(element),
1063             inputType = field.input_type,
1064             dataType = field.data_type;
1065           if (!op) {
1066             op = field.serialize || dataType === 'Array' ? 'IN' : '=';
1067           }
1068           multi = _.includes(['IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN'], op);
1069           if (op === 'IS NULL' || op === 'IS NOT NULL') {
1070             $el.hide();
1071             return;
1072           }
1073           if (inputType === 'Date') {
1074             if (_.includes(['=', '!=', '<>', '<', '>=', '<', '<='], op)) {
1075               $el.crmDatepicker({time: (field.input_attrs && field.input_attrs.time) || false});
1076             }
1077           } else if (_.includes(['=', '!=', '<>', 'IN', 'NOT IN'], op) && (field.fk_entity || field.options || dataType === 'Boolean')) {
1078            if (field.options) {
1079               var id = field.pseudoconstant || 'id';
1080               $el.addClass('loading').attr('placeholder', ts('- select -')).crmSelect2({multiple: multi, data: [{id: '', text: ''}]});
1081               loadFieldOptions(field.entity || entity).then(function(data) {
1082                 var options = _.transform(data[field.name].options, function(options, opt) {
1083                   options.push({id: opt[id], text: opt.label, description: opt.description, color: opt.color, icon: opt.icon});
1084                 }, []);
1085                 $el.removeClass('loading').crmSelect2({data: options, multiple: multi});
1086               });
1087             } else if (field.fk_entity) {
1088               $el.crmEntityRef({entity: field.fk_entity, select:{multiple: multi}});
1089             } else if (dataType === 'Boolean') {
1090               $el.attr('placeholder', ts('- select -')).crmSelect2({allowClear: false, multiple: multi, placeholder: ts('- select -'), data: [
1091                 {id: 'true', text: ts('Yes')},
1092                 {id: 'false', text: ts('No')}
1093               ]});
1094             }
1095           } else if (dataType === 'Integer' && !multi) {
1096             $el.attr('type', 'number');
1097           }
1098         }
1099
1100         function loadFieldOptions(entity) {
1101           if (!fieldOptions[entity + action]) {
1102             fieldOptions[entity + action] = crmApi4(entity, 'getFields', {
1103               loadOptions: ['id', 'name', 'label', 'description', 'color', 'icon'],
1104               action: action,
1105               where: [['options', '!=', false]],
1106               select: ['options']
1107             }, 'name');
1108           }
1109           return fieldOptions[entity + action];
1110         }
1111
1112         // Copied from ng-list but applied conditionally if field is multi-valued
1113         var parseList = function(viewValue) {
1114           // If the viewValue is invalid (say required but empty) it will be `undefined`
1115           if (_.isUndefined(viewValue)) return;
1116
1117           if (!multi) {
1118             return viewValue;
1119           }
1120
1121           var list = [];
1122
1123           if (viewValue) {
1124             _.each(viewValue.split(','), function(value) {
1125               if (value) list.push(_.trim(value));
1126             });
1127           }
1128
1129           return list;
1130         };
1131
1132         // Copied from ng-list
1133         ctrl.$parsers.push(parseList);
1134         ctrl.$formatters.push(function(value) {
1135           return _.isArray(value) ? value.join(', ') : value;
1136         });
1137
1138         // Copied from ng-list
1139         ctrl.$isEmpty = function(value) {
1140           return !value || !value.length;
1141         };
1142
1143         scope.$watchCollection('data', function(data) {
1144           destroyWidget();
1145           var field = getField(data.field, entity, action);
1146           if (field && data.format !== 'plain') {
1147             makeWidget(field, data.op);
1148           }
1149         });
1150       }
1151     };
1152   });
1153
1154
1155   angular.module('api4Explorer').directive('api4ExpChain', function(crmApi4) {
1156     return {
1157       scope: {
1158         chain: '=api4ExpChain',
1159         mainEntity: '=',
1160         entities: '='
1161       },
1162       templateUrl: '~/api4Explorer/Chain.html',
1163       link: function (scope, element, attrs) {
1164         var ts = scope.ts = CRM.ts();
1165
1166         function changeEntity(newEntity, oldEntity) {
1167           // When clearing entity remove this chain
1168           if (!newEntity) {
1169             scope.chain[0] = '';
1170             return;
1171           }
1172           // Reset action && index
1173           if (newEntity !== oldEntity) {
1174             scope.chain[1][1] = scope.chain[1][2] = '';
1175           }
1176           if (getEntity(newEntity).actions) {
1177             setActions();
1178           } else {
1179             crmApi4(newEntity, 'getActions', {chain: {fields: [newEntity, 'getFields', {action: '$name'}]}})
1180               .then(function(data) {
1181                 getEntity(data.entity).actions = data;
1182                 if (data.entity === scope.chain[1][0]) {
1183                   setActions();
1184                 }
1185               });
1186           }
1187         }
1188
1189         function setActions() {
1190           scope.actions = [''].concat(_.pluck(getEntity(scope.chain[1][0]).actions, 'name'));
1191         }
1192
1193         // Set default params when choosing action
1194         function changeAction(newAction, oldAction) {
1195           var link;
1196           // Prepopulate links
1197           if (newAction && newAction !== oldAction) {
1198             // Clear index
1199             scope.chain[1][3] = '';
1200             // Look for links back to main entity
1201             _.each(entityFields(scope.chain[1][0]), function(field) {
1202               if (field.fk_entity === scope.mainEntity) {
1203                 link = [field.name, '$id'];
1204               }
1205             });
1206             // Look for links from main entity
1207             if (!link && newAction !== 'create') {
1208               _.each(entityFields(scope.mainEntity), function(field) {
1209                 if (field.fk_entity === scope.chain[1][0]) {
1210                   link = ['id', '$' + field.name];
1211                   // Since we're specifying the id, set index to getsingle
1212                   scope.chain[1][3] = '0';
1213                 }
1214               });
1215             }
1216             if (link && _.contains(['get', 'update', 'replace', 'delete'], newAction)) {
1217               scope.chain[1][2] = '{where: [[' + link[0] + ', =, ' + link[1] + ']]}';
1218             }
1219             else if (link && _.contains(['create'], newAction)) {
1220               scope.chain[1][2] = '{values: {' + link[0] + ': ' + link[1] + '}}';
1221             }
1222             else if (link && _.contains(['save'], newAction)) {
1223               scope.chain[1][2] = '{records: [{' + link[0] + ': ' + link[1] + '}]}';
1224             } else {
1225               scope.chain[1][2] = '{}';
1226             }
1227           }
1228         }
1229
1230         scope.$watch("chain[1][0]", changeEntity);
1231         scope.$watch("chain[1][1]", changeAction);
1232       }
1233     };
1234   });
1235
1236   function getEntity(entityName) {
1237     return _.findWhere(schema, {name: entityName});
1238   }
1239
1240   function entityFields(entityName, action) {
1241     var entity = getEntity(entityName);
1242     if (entity && action && entity.actions) {
1243       return _.findWhere(entity.actions, {name: action}).fields;
1244     }
1245     return _.result(entity, 'fields');
1246   }
1247
1248   function getExplicitJoins() {
1249     return _.transform(params.join, function(joins, join) {
1250       var j = join[0].split(' AS '),
1251         joinEntity = _.trim(j[0]),
1252         joinAlias = _.trim(j[1]) || joinEntity.toLowerCase();
1253       joins[joinAlias] = joinEntity;
1254     }, {});
1255   }
1256
1257   function getField(fieldName, entity, action) {
1258     var suffix = fieldName.split(':')[1];
1259     fieldName = fieldName.split(':')[0];
1260     var fieldNames = fieldName.split('.');
1261     var field = get(entity, fieldNames);
1262     if (field && suffix) {
1263       field.pseudoconstant = suffix;
1264     }
1265     return field;
1266
1267     function get(entity, fieldNames) {
1268       if (fieldNames.length === 1) {
1269         return _.findWhere(entityFields(entity, action), {name: fieldNames[0]});
1270       }
1271       var comboName = _.findWhere(entityFields(entity, action), {name: fieldNames[0] + '.' + fieldNames[1]});
1272       if (comboName) {
1273         return comboName;
1274       }
1275       var linkName = fieldNames.shift(),
1276         newEntity = getExplicitJoins()[linkName] || _.findWhere(links[entity], {alias: linkName}).entity;
1277       return get(newEntity, fieldNames);
1278     }
1279   }
1280
1281   // Collapsible optgroups for select2
1282   $(function() {
1283     $('body')
1284       .on('select2-open', function(e) {
1285         if ($(e.target).hasClass('collapsible-optgroups')) {
1286           $('#select2-drop')
1287             .off('.collapseOptionGroup')
1288             .addClass('collapsible-optgroups-enabled')
1289             .on('click.collapseOptionGroup', '.select2-result-with-children > .select2-result-label', function() {
1290               $(this).parent().toggleClass('optgroup-expanded');
1291             });
1292         }
1293       })
1294      .on('select2-close', function() {
1295         $('#select2-drop').off('.collapseOptionGroup').removeClass('collapsible-optgroups-enabled');
1296       });
1297   });
1298 })(angular, CRM.$, CRM._);