Civi/Angular/AngularLoader.php

   1 <?php
   2 namespace Civi\Angular;
   3
   4 /**
   5  * The AngularLoader loads any JS/CSS/JSON resources
   6  * required for setting up AngularJS.
   7  *
   8  * The AngularLoader stops short of bootstrapping AngularJS. You may
   9  * need to `<div ng-app="..."></div>` or `angular.bootstrap(...)`.
  10  *
  11  * ```
  12  * $loader = new AngularLoader();
  13  * $loader->setPageName('civicrm/case/a');
  14  * $loader->setModules(array('crmApp'));
  15  * $loader->load();
  16  * ```
  17  *
  18  * @link https://docs.angularjs.org/guide/bootstrap
  19  */
  20 class AngularLoader {
  21
  22   /**
  23    * The weight to assign to any Angular JS module files.
  24    */
  25   const DEFAULT_MODULE_WEIGHT = 200;
  26
  27   /**
  28    * The resource manager.
  29    *
  30    * Do not use publicly. Inject your own copy!
  31    *
  32    * @var \CRM_Core_Resources
  33    */
  34   protected $res;
  35
  36   /**
  37    * The Angular module manager.
  38    *
  39    * Do not use publicly. Inject your own copy!
  40    *
  41    * @var \Civi\Angular\Manager
  42    */
  43   protected $angular;
  44
  45   /**
  46    * The region of the page into which JavaScript will be loaded.
  47    *
  48    * @var string
  49    */
  50   protected $region;
  51
  52   /**
  53    * @var string
  54    *   Ex: 'civicrm/a'.
  55    */
  56   protected $pageName;
  57
  58   /**
  59    * @var array
  60    *   A list of modules to load.
  61    */
  62   protected $modules;
  63
  64   /**
  65    * @var array|null
  66    */
  67   protected $crmApp = NULL;
  68
  69   /**
  70    * AngularLoader constructor.
  71    */
  72   public function __construct() {
  73     $this->res = \CRM_Core_Resources::singleton();
  74     $this->angular = \Civi::service('angular');
  75     $this->region = \CRM_Utils_Request::retrieve('snippet', 'String') ? 'ajax-snippet' : 'html-header';
  76     $this->pageName = $_GET['q'] ?? NULL;
  77     $this->modules = [];
  78   }
  79
  80   /**
  81    * Register resources required by Angular.
  82    *
  83    * @return AngularLoader
  84    */
  85   public function load() {
  86     $angular = $this->getAngular();
  87     $res = $this->getRes();
  88
  89     if ($this->crmApp !== NULL) {
  90       $this->addModules($this->crmApp['modules']);
  91       $region = \CRM_Core_Region::instance($this->crmApp['region']);
  92       $region->update('default', ['disabled' => TRUE]);
  93       $region->add(['template' => $this->crmApp['file'], 'weight' => 0]);
  94       $this->res->addSetting([
  95         'crmApp' => [
  96           'defaultRoute' => $this->crmApp['defaultRoute'],
  97         ],
  98       ]);
  99
 100       // If trying to load an Angular page via AJAX, the route must be passed as a
 101       // URL parameter, since the server doesn't receive information about
 102       // URL fragments (i.e, what comes after the #).
 103       $this->res->addSetting([
 104         'angularRoute' => $this->crmApp['activeRoute'],
 105       ]);
 106     }
 107
 108     $moduleNames = $this->findActiveModules();
 109     if (!$this->isAllModules($moduleNames)) {
 110       $assetParams = ['modules' => implode(',', $moduleNames)];
 111     }
 112     else {
 113       // The module list will be "all modules that the user can see".
 114       $assetParams = ['nonce' => md5(implode(',', $moduleNames))];
 115     }
 116
 117     $res->addSettingsFactory(function () use (&$moduleNames, $angular, $res, $assetParams) {
 118       // Merge static settings with the results of settingsFactory functions
 119       $settingsByModule = $angular->getResources($moduleNames, 'settings', 'settings');
 120       foreach ($angular->getResources($moduleNames, 'settingsFactory', 'settingsFactory') as $moduleName => $factory) {
 121         $settingsByModule[$moduleName] = array_merge($settingsByModule[$moduleName] ?? [], $factory());
 122       }
 123       // Add clientside permissions
 124       $permissions = [];
 125       $toCheck  = $angular->getResources($moduleNames, 'permissions', 'permissions');
 126       foreach ($toCheck as $perms) {
 127         foreach ((array) $perms as $perm) {
 128           if (!isset($permissions[$perm])) {
 129             $permissions[$perm] = \CRM_Core_Permission::check($perm);
 130           }
 131         }
 132       }
 133       // TODO optimization; client-side caching
 134       return array_merge($settingsByModule, ['permissions' => $permissions], [
 135         'resourceUrls' => \CRM_Extension_System::singleton()->getMapper()->getActiveModuleUrls(),
 136         'angular' => [
 137           'modules' => $moduleNames,
 138           'requires' => $angular->getResources($moduleNames, 'requires', 'requires'),
 139           'cacheCode' => $res->getCacheCode(),
 140           'bundleUrl' => \Civi::service('asset_builder')->getUrl('angular-modules.json', $assetParams),
 141         ],
 142       ]);
 143     });
 144
 145     $res->addScriptFile('civicrm', 'bower_components/angular/angular.min.js', 100, $this->getRegion(), FALSE);
 146     $res->addScriptFile('civicrm', 'js/crm.angular.js', 101, $this->getRegion(), FALSE);
 147
 148     $headOffset = 0;
 149     $config = \CRM_Core_Config::singleton();
 150     if ($config->debug) {
 151       foreach ($moduleNames as $moduleName) {
 152         foreach ($this->angular->getResources($moduleName, 'css', 'cacheUrl') as $url) {
 153           $res->addStyleUrl($url, self::DEFAULT_MODULE_WEIGHT + (++$headOffset), $this->getRegion());
 154         }
 155         foreach ($this->angular->getResources($moduleName, 'js', 'cacheUrl') as $url) {
 156           $res->addScriptUrl($url, self::DEFAULT_MODULE_WEIGHT + (++$headOffset), $this->getRegion());
 157           // addScriptUrl() bypasses the normal string-localization of addScriptFile(),
 158           // but that's OK because all Angular strings (JS+HTML) will load via crmResource.
 159         }
 160       }
 161     }
 162     else {
 163       // Note: addScriptUrl() bypasses the normal string-localization of addScriptFile(),
 164       // but that's OK because all Angular strings (JS+HTML) will load via crmResource.
 165       // $aggScriptUrl = \CRM_Utils_System::url('civicrm/ajax/angular-modules', 'format=js&r=' . $res->getCacheCode(), FALSE, NULL, FALSE);
 166       $aggScriptUrl = \Civi::service('asset_builder')->getUrl('angular-modules.js', $assetParams);
 167       $res->addScriptUrl($aggScriptUrl, 120, $this->getRegion());
 168
 169       // FIXME: The following CSS aggregator doesn't currently handle path-adjustments - which can break icons.
 170       //$aggStyleUrl = \CRM_Utils_System::url('civicrm/ajax/angular-modules', 'format=css&r=' . $res->getCacheCode(), FALSE, NULL, FALSE);
 171       //$aggStyleUrl = \Civi::service('asset_builder')->getUrl('angular-modules.css', $assetParams);
 172       //$res->addStyleUrl($aggStyleUrl, 120, $this->getRegion());
 173
 174       foreach ($this->angular->getResources($moduleNames, 'css', 'cacheUrl') as $url) {
 175         $res->addStyleUrl($url, self::DEFAULT_MODULE_WEIGHT + (++$headOffset), $this->getRegion());
 176       }
 177     }
 178     // Add bundles
 179     foreach ($this->angular->getResources($moduleNames, 'bundles', 'bundles') as $bundles) {
 180       $res->addBundle($bundles);
 181     }
 182
 183     return $this;
 184   }
 185
 186   /**
 187    * Use Civi's generic "application" module.
 188    *
 189    * This is suitable for use on a basic, standalone Angular page
 190    * like `civicrm/a`. (If you need to integrate Angular with pre-existing,
 191    * non-Angular pages... then this probably won't help.)
 192    *
 193    * The Angular bootstrap process requires an HTML directive like
 194    * `<div ng-app="foo">`.
 195    *
 196    * Calling useApp() will replace the page's main body with the
 197    * `<div ng-app="crmApp">...</div>` and apply some configuration options
 198    * for the `crmApp` module.
 199    *
 200    * @param array $settings
 201    *   A list of settings. Accepted values:
 202    *    - activeRoute: string, the route to open up immediately
 203    *      Ex: '/case/list'
 204    *    - defaultRoute: string, use this to redirect the default route (`/`) to another page
 205    *      Ex: '/case/list'
 206    *    - region: string, the place on the page where we should insert the angular app
 207    *      Ex: 'page-body'
 208    * @return AngularLoader
 209    * @link https://code.angularjs.org/1.5.11/docs/guide/bootstrap
 210    */
 211   public function useApp($settings = []) {
 212     $defaults = [
 213       'modules' => ['crmApp'],
 214       'activeRoute' => NULL,
 215       'defaultRoute' => NULL,
 216       'region' => 'page-body',
 217       'file' => 'Civi/Angular/Page/Main.tpl',
 218     ];
 219     $this->crmApp = array_merge($defaults, $settings);
 220     return $this;
 221   }
 222
 223   /**
 224    * Get a list of all Angular modules which should be activated on this
 225    * page.
 226    *
 227    * @return array
 228    *   List of module names.
 229    *   Ex: array('angularFileUpload', 'crmUi', 'crmUtil').
 230    */
 231   public function findActiveModules() {
 232     return $this->angular->resolveDependencies(array_merge(
 233       $this->getModules(),
 234       $this->angular->resolveDefaultModules($this->getPageName())
 235     ));
 236   }
 237
 238   /**
 239    * @param $moduleNames
 240    * @return int
 241    */
 242   private function isAllModules($moduleNames) {
 243     $allModuleNames = array_keys($this->angular->getModules());
 244     return count(array_diff($allModuleNames, $moduleNames)) === 0;
 245   }
 246
 247   /**
 248    * @return \CRM_Core_Resources
 249    */
 250   public function getRes() {
 251     return $this->res;
 252   }
 253
 254   /**
 255    * @param \CRM_Core_Resources $res
 256    * @return AngularLoader
 257    */
 258   public function setRes($res) {
 259     $this->res = $res;
 260     return $this;
 261   }
 262
 263   /**
 264    * @return \Civi\Angular\Manager
 265    */
 266   public function getAngular() {
 267     return $this->angular;
 268   }
 269
 270   /**
 271    * @param \Civi\Angular\Manager $angular
 272    * @return AngularLoader
 273    */
 274   public function setAngular($angular) {
 275     $this->angular = $angular;
 276     return $this;
 277   }
 278
 279   /**
 280    * @return string
 281    */
 282   public function getRegion() {
 283     return $this->region;
 284   }
 285
 286   /**
 287    * @param string $region
 288    * @return AngularLoader
 289    */
 290   public function setRegion($region) {
 291     $this->region = $region;
 292     return $this;
 293   }
 294
 295   /**
 296    * @return string
 297    *   Ex: 'civicrm/a'.
 298    */
 299   public function getPageName() {
 300     return $this->pageName;
 301   }
 302
 303   /**
 304    * @param string $pageName
 305    *   Ex: 'civicrm/a'.
 306    * @return AngularLoader
 307    */
 308   public function setPageName($pageName) {
 309     $this->pageName = $pageName;
 310     return $this;
 311   }
 312
 313   /**
 314    * @param array|string $modules
 315    * @return AngularLoader
 316    */
 317   public function addModules($modules) {
 318     $modules = (array) $modules;
 319     $this->modules = array_unique(array_merge($this->modules, $modules));
 320     return $this;
 321   }
 322
 323   /**
 324    * @return array
 325    */
 326   public function getModules() {
 327     return $this->modules;
 328   }
 329
 330   /**
 331    * @param array $modules
 332    * @return AngularLoader
 333    */
 334   public function setModules($modules) {
 335     $this->modules = $modules;
 336     return $this;
 337   }
 338
 339 }