CRM/Case/Form/Activity.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | CiviCRM version 4.6                                                |
   5  +--------------------------------------------------------------------+
   6  | Copyright CiviCRM LLC (c) 2004-2015                                |
   7  +--------------------------------------------------------------------+
   8  | This file is a part of CiviCRM.                                    |
   9  |                                                                    |
  10  | CiviCRM is free software; you can copy, modify, and distribute it  |
  11  | under the terms of the GNU Affero General Public License           |
  12  | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
  13  |                                                                    |
  14  | CiviCRM is distributed in the hope that it will be useful, but     |
  15  | WITHOUT ANY WARRANTY; without even the implied warranty of         |
  16  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.               |
  17  | See the GNU Affero General Public License for more details.        |
  18  |                                                                    |
  19  | You should have received a copy of the GNU Affero General Public   |
  20  | License and the CiviCRM Licensing Exception along                  |
  21  | with this program; if not, contact CiviCRM LLC                     |
  22  | at info[AT]civicrm[DOT]org. If you have questions about the        |
  23  | GNU Affero General Public License or the licensing of CiviCRM,     |
  24  | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
  25  +--------------------------------------------------------------------+
  26  */
  27
  28 /**
  29  *
  30  * @package CRM
  31  * @copyright CiviCRM LLC (c) 2004-2015
  32  * $Id$
  33  *
  34  */
  35
  36 /**
  37  * This class create activities for a case
  38  *
  39  */
  40 class CRM_Case_Form_Activity extends CRM_Activity_Form_Activity {
  41
  42   /**
  43    * The default variable defined.
  44    *
  45    * @var int
  46    */
  47   public $_caseId;
  48
  49   /**
  50    * The default case type variable defined.
  51    *
  52    * @var int
  53    */
  54   public $_caseType;
  55
  56   /**
  57    * The default values of an activity.
  58    *
  59    * @var array
  60    */
  61   public $_defaults = array();
  62
  63   /**
  64    * The array of releted contact info.
  65    *
  66    * @var array
  67    */
  68   public $_relatedContacts;
  69
  70   /**
  71    * Build the form object.
  72    *
  73    * @return void
  74    */
  75   public function preProcess() {
  76     $caseIds = CRM_Utils_Request::retrieve('caseid', 'String', $this);
  77     $this->_caseId = explode(',', $caseIds);
  78     $this->_context = CRM_Utils_Request::retrieve('context', 'String', $this);
  79     if (!$this->_context) {
  80       $this->_context = 'caseActivity';
  81     }
  82     $this->_crmDir = 'Case';
  83     $this->assign('context', $this->_context);
  84
  85     $result = parent::preProcess();
  86
  87     $scheduleStatusId = CRM_Core_OptionGroup::getValue('activity_status', 'Scheduled', 'name');
  88     $this->assign('scheduleStatusId', $scheduleStatusId);
  89
  90     if ($this->_cdType) {
  91       return $result;
  92     }
  93
  94     if (!$this->_caseId && $this->_activityId) {
  95       $this->_caseId = CRM_Core_DAO::getFieldValue('CRM_Case_DAO_CaseActivity', $this->_activityId,
  96         'case_id', 'activity_id'
  97       );
  98     }
  99     if ($this->_caseId) {
 100       $this->assign('caseId', $this->_caseId);
 101       $this->assign('countId', count($this->_caseId));
 102       $this->assign('caseID', CRM_Utils_Array::first($this->_caseId));
 103     }
 104
 105     if (!$this->_caseId ||
 106       (!$this->_activityId && !$this->_activityTypeId)
 107     ) {
 108       CRM_Core_Error::fatal('required params missing.');
 109     }
 110
 111     //check for case activity access.
 112     if (!CRM_Case_BAO_Case::accessCiviCase()) {
 113       CRM_Core_Error::fatal(ts('You are not authorized to access this page.'));
 114     }
 115     //validate case id.
 116     if ($this->_caseId &&
 117       !CRM_Core_Permission::check('access all cases and activities')
 118     ) {
 119       $session = CRM_Core_Session::singleton();
 120       $allCases = CRM_Case_BAO_Case::getCases(TRUE, $session->get('userID'), 'any');
 121       if (!array_key_exists($this->_caseId, $allCases)) {
 122         CRM_Core_Error::fatal(ts('You are not authorized to access this page.'));
 123       }
 124     }
 125
 126     //validate case activity id.
 127     if ($this->_activityId &&
 128       ($this->_action & CRM_Core_Action::UPDATE)
 129     ) {
 130       $valid = CRM_Case_BAO_Case::checkPermission($this->_activityId, 'edit',
 131         $this->_activityTypeId
 132       );
 133       if (!$valid) {
 134         CRM_Core_Error::fatal(ts('You are not authorized to access this page.'));
 135       }
 136     }
 137
 138     foreach ($this->_caseId as $casePos => $caseId) {
 139       $this->_caseType[$casePos] = CRM_Case_BAO_Case::getCaseType($caseId, 'name');
 140     }
 141     $this->assign('caseType', $this->_caseType);
 142
 143     $xmlProcessorProcess = new CRM_Case_XMLProcessor_Process();
 144     $isMultiClient = $xmlProcessorProcess->getAllowMultipleCaseClients();
 145     $this->assign('multiClient', $isMultiClient);
 146
 147     foreach ($this->_caseId as $casePos => $caseId) {
 148       $clients[] = CRM_Case_BAO_Case::getContactNames($caseId);
 149     }
 150     $this->assign('client_names', $clients);
 151
 152     $caseIds = implode(',', $this->_caseId);
 153     // set context for pushUserContext and for statusBounce
 154     if ($this->_context == 'fulltext') {
 155       if ($this->_action == CRM_Core_Action::UPDATE || $this->_action == CRM_Core_Action::DELETE) {
 156         $url = CRM_Utils_System::url('civicrm/contact/view/case',
 157           "reset=1&action=view&cid={$this->_currentlyViewedContactId}&id={$caseIds}&show=1&context={$this->_context}"
 158         );
 159       }
 160       else {
 161         $url = CRM_Utils_System::url('civicrm/contact/search/custom', 'force=1');
 162       }
 163     }
 164     else {
 165       $url = CRM_Utils_System::url('civicrm/contact/view/case',
 166         "reset=1&action=view&cid={$this->_currentlyViewedContactId}&id={$caseIds}&show=1"
 167       );
 168     }
 169     if (!$this->_activityId) {
 170       $caseTypes = CRM_Case_PseudoConstant::caseType();
 171
 172       if (empty($caseTypes) && ($this->_activityTypeName == 'Change Case Type') && !$this->_caseId) {
 173         $url = CRM_Utils_System::url('civicrm/contact/view/case',
 174           "reset=1&action=view&cid={$this->_currentlyViewedContactId}&id={$caseIds}&show=1"
 175         );
 176         $session = CRM_Core_Session::singleton();
 177         $session->pushUserContext($url);
 178         CRM_Core_Error::statusBounce(ts("You do not have any active Case Types"));
 179       }
 180
 181       // check if activity count is within the limit
 182       $xmlProcessor = new CRM_Case_XMLProcessor_Process();
 183       foreach ($this->_caseId as $casePos => $caseId) {
 184         $caseType = $this->_caseType[$casePos];
 185         $activityInst = $xmlProcessor->getMaxInstance($caseType);
 186
 187         // If not bounce back and also provide activity edit link
 188         if (isset($activityInst[$this->_activityTypeName])) {
 189           $activityCount = CRM_Case_BAO_Case::getCaseActivityCount($caseId, $this->_activityTypeId);
 190           if ($activityCount >= $activityInst[$this->_activityTypeName]) {
 191             if ($activityInst[$this->_activityTypeName] == 1) {
 192               $atArray = array('activity_type_id' => $this->_activityTypeId);
 193               $activities = CRM_Case_BAO_Case::getCaseActivity($caseId,
 194                 $atArray,
 195                 $this->_currentUserId
 196               );
 197               $activities = array_keys($activities);
 198               $activities = $activities[0];
 199               $editUrl = CRM_Utils_System::url('civicrm/case/activity',
 200                 "reset=1&cid={$this->_currentlyViewedContactId}&caseid={$caseId}&action=update&id={$activities}"
 201               );
 202             }
 203             CRM_Core_Error::statusBounce(ts("You can not add another '%1' activity to this case. %2",
 204                 array(
 205                   1 => $this->_activityTypeName,
 206                   2 => ts("Do you want to <a %1>edit the existing activity</a>?", array(1 => "href='$editUrl'")),
 207                 )
 208               ),
 209               $url
 210             );
 211           }
 212         }
 213       }
 214     }
 215
 216     $session = CRM_Core_Session::singleton();
 217     $session->pushUserContext($url);
 218   }
 219
 220   /**
 221    * Set default values for the form. For edit/view mode
 222    * the default values are retrieved from the database
 223    *
 224    *
 225    * @return void
 226    */
 227   public function setDefaultValues() {
 228     $this->_defaults = parent::setDefaultValues();
 229     $targetContactValues = array();
 230     foreach ($this->_caseId as $key => $val) {
 231       //get all clients.
 232       $clients = CRM_Case_BAO_Case::getContactNames($val);
 233       if (isset($this->_activityId) && empty($_POST)) {
 234         if (!CRM_Utils_Array::crmIsEmptyArray($this->_defaults['target_contact'])) {
 235           $targetContactValues = array_combine(array_unique($this->_defaults['target_contact']),
 236             explode(';', trim($this->_defaults['target_contact_value']))
 237           );
 238           //exclude all clients.
 239           foreach ($clients as $clientId => $vals) {
 240             if (array_key_exists($clientId, $targetContactValues)) {
 241               unset($targetContactValues[$clientId]);
 242             }
 243           }
 244         }
 245       }
 246       $this->assign('targetContactValues', empty($targetContactValues) ? FALSE : $targetContactValues);
 247
 248       //return form for ajax
 249       if ($this->_cdType) {
 250         return $this->_defaults;
 251       }
 252
 253       if (isset($this->_encounterMedium)) {
 254         $this->_defaults['medium_id'] = $this->_encounterMedium;
 255       }
 256       elseif (empty($this->_defaults['medium_id'])) {
 257         // set default encounter medium CRM-4816
 258         $medium = CRM_Core_OptionGroup::values('encounter_medium', FALSE, FALSE, FALSE, 'AND is_default = 1');
 259         if (count($medium) == 1) {
 260           $this->_defaults['medium_id'] = key($medium);
 261         }
 262       }
 263
 264       return $this->_defaults;
 265     }
 266   }
 267
 268   public function buildQuickForm() {
 269     $this->_fields['source_contact_id']['label'] = ts('Reported By');
 270     unset($this->_fields['status_id']['attributes']['required']);
 271
 272     if ($this->_caseType) {
 273       $xmlProcessor = new CRM_Case_XMLProcessor_Process();
 274       $aTypes = array();
 275       foreach ($this->_caseType as $key => $val) {
 276         $activityTypes = $xmlProcessor->get($val, 'ActivityTypes', TRUE);
 277         $aTypes = $aTypes + $activityTypes;
 278       }
 279
 280       // remove Open Case activity type since we're inside an existing case
 281       $openCaseID = CRM_Core_OptionGroup::getValue('activity_type', 'Open Case', 'name');
 282       unset($aTypes[$openCaseID]);
 283       asort($aTypes);
 284       $this->_fields['followup_activity_type_id']['attributes'] = array('' => '- select activity type -') + $aTypes;
 285     }
 286
 287     $result = parent::buildQuickForm();
 288
 289     if ($this->_action & (CRM_Core_Action::DELETE | CRM_Core_Action::DETACH | CRM_Core_Action::RENEW)) {
 290       return;
 291     }
 292
 293     if ($this->_cdType) {
 294       return $result;
 295     }
 296
 297     $this->assign('urlPath', 'civicrm/case/activity');
 298
 299     $encounterMediums = CRM_Case_PseudoConstant::encounterMedium();
 300     // Fixme: what's the justification for this? It seems like it is just re-adding an option in case it is the default and disabled.
 301     // Is that really a big problem?
 302     if ($this->_activityTypeFile == 'OpenCase') {
 303       $this->_encounterMedium = CRM_Core_DAO::getFieldValue('CRM_Activity_DAO_Activity', $this->_activityId,
 304         'medium_id'
 305       );
 306       if (!array_key_exists($this->_encounterMedium, $encounterMediums)) {
 307         $encounterMediums[$this->_encounterMedium] = CRM_Core_OptionGroup::getLabel('encounter_medium',
 308           $this->_encounterMedium,
 309           FALSE
 310         );
 311       }
 312     }
 313
 314     $this->add('select', 'medium_id', ts('Medium'), $encounterMediums, TRUE);
 315     $i = 0;
 316     foreach ($this->_caseId as $key => $val) {
 317       $this->_relatedContacts[] = $rgc = CRM_Case_BAO_Case::getRelatedAndGlobalContacts($val);
 318       $contName = CRM_Case_BAO_Case::getContactNames($val);
 319       foreach ($contName as $nkey => $nval) {
 320         array_push($this->_relatedContacts[$i][0], $this->_relatedContacts[$i][0]['managerOf'] = $nval['display_name']);
 321       }
 322       $i++;
 323     }
 324
 325     //add case client in send a copy selector.CRM-4438.
 326     foreach ($this->_caseId as $key => $val) {
 327       $relatedContacts[] = $relCon = CRM_Case_BAO_Case::getContactNames($val);
 328     }
 329
 330     if (!empty($relatedContacts)) {
 331       foreach ($relatedContacts as $relatedContact) {
 332         $this->_relatedContacts[] = $relatedContact;
 333       }
 334     }
 335
 336     if (!empty($this->_relatedContacts)) {
 337       $checkBoxes = array();
 338       foreach ($this->_relatedContacts as $id => $row) {
 339         $checkBoxes[$id] = $this->addElement('checkbox', $id, NULL, NULL, array('class' => 'select-row'));
 340       }
 341
 342       $this->addGroup($checkBoxes, 'contact_check');
 343       $this->addElement('checkbox', 'toggleSelect', NULL, NULL,
 344         array('class' => 'select-rows')
 345       );
 346       $this->assign('searchRows', $this->_relatedContacts);
 347     }
 348     $this->_relatedContacts = $rgc + $relCon;
 349
 350     $this->addFormRule(array('CRM_Case_Form_Activity', 'formRule'), $this);
 351   }
 352
 353   /**
 354    * Global form rule.
 355    *
 356    * @param array $fields
 357    *   The input form values.
 358    * @param array $files
 359    *   The uploaded files if any.
 360    * @param $self
 361    *
 362    * @return bool|array
 363    *   true if no errors, else array of errors
 364    */
 365   public static function formRule($fields, $files, $self) {
 366     // skip form rule if deleting
 367     if (CRM_Utils_Array::value('_qf_Activity_next_', $fields) == 'Delete' || CRM_Utils_Array::value('_qf_Activity_next_', $fields) == 'Restore') {
 368       return TRUE;
 369     }
 370
 371     return parent::formrule($fields, $files, $self);
 372   }
 373
 374   /**
 375    * Process the form submission.
 376    *
 377    *
 378    * @param array $params
 379    *
 380    * @return void
 381    */
 382   public function postProcess($params = NULL) {
 383     $transaction = new CRM_Core_Transaction();
 384
 385     if ($this->_action & CRM_Core_Action::DELETE) {
 386       $statusMsg = NULL;
 387
 388       //block deleting activities which affects
 389       //case attributes.CRM-4543
 390       $activityCondition = " AND v.name IN ('Open Case', 'Change Case Type', 'Change Case Status', 'Change Case Start Date')";
 391       $caseAttributeActivities = CRM_Core_OptionGroup::values('activity_type', FALSE, FALSE, FALSE, $activityCondition);
 392
 393       if (!array_key_exists($this->_activityTypeId, $caseAttributeActivities)) {
 394         $params = array('id' => $this->_activityId);
 395         $activityDelete = CRM_Activity_BAO_Activity::deleteActivity($params, TRUE);
 396         if ($activityDelete) {
 397           $statusMsg = ts('The selected activity has been moved to the Trash. You can view and / or restore deleted activities by checking "Deleted Activities" from the Case Activities search filter (under Manage Case).<br />');
 398         }
 399       }
 400       else {
 401         $statusMsg = ts("Selected Activity cannot be deleted.");
 402       }
 403
 404       $tagParams = array(
 405         'entity_table' => 'civicrm_activity',
 406         'entity_id' => $this->_activityId,
 407       );
 408       CRM_Core_BAO_EntityTag::del($tagParams);
 409
 410       CRM_Core_Session::setStatus('', $statusMsg, 'info');
 411       return;
 412     }
 413
 414     if ($this->_action & CRM_Core_Action::RENEW) {
 415       $statusMsg = NULL;
 416       $params = array('id' => $this->_activityId);
 417       $activityRestore = CRM_Activity_BAO_Activity::restoreActivity($params);
 418       if ($activityRestore) {
 419         $statusMsg = ts('The selected activity has been restored.<br />');
 420       }
 421       CRM_Core_Session::setStatus('', $statusMsg, 'info');
 422       return;
 423     }
 424
 425     // store the submitted values in an array
 426     $params = $this->controller->exportValues($this->_name);
 427
 428     //set parent id if its edit mode
 429     if ($parentId = CRM_Utils_Array::value('parent_id', $this->_defaults)) {
 430       $params['parent_id'] = $parentId;
 431     }
 432
 433     // store the dates with proper format
 434     $params['activity_date_time'] = CRM_Utils_Date::processDate($params['activity_date_time'], $params['activity_date_time_time']);
 435     $params['activity_type_id'] = $this->_activityTypeId;
 436
 437     // format with contact (target contact) values
 438     if (isset($params['target_contact_id'])) {
 439       $params['target_contact_id'] = explode(',', $params['target_contact_id']);
 440     }
 441     else {
 442       $params['target_contact_id'] = array();
 443     }
 444
 445     // format activity custom data
 446     if (!empty($params['hidden_custom'])) {
 447       if ($this->_activityId) {
 448         // unset custom fields-id from params since we want custom
 449         // fields to be saved for new activity.
 450         foreach ($params as $key => $value) {
 451           $match = array();
 452           if (preg_match('/^(custom_\d+_)(\d+)$/', $key, $match)) {
 453             $params[$match[1] . '-1'] = $params[$key];
 454
 455             // for autocomplete transfer hidden value instead of label
 456             if ($params[$key] && isset($params[$key . '_id'])) {
 457               $params[$match[1] . '-1_id'] = $params[$key . '_id'];
 458               unset($params[$key . '_id']);
 459             }
 460             unset($params[$key]);
 461           }
 462         }
 463       }
 464
 465       // build custom data getFields array
 466       $customFields = CRM_Core_BAO_CustomField::getFields('Activity', FALSE, FALSE, $this->_activityTypeId);
 467       $customFields = CRM_Utils_Array::crmArrayMerge($customFields,
 468         CRM_Core_BAO_CustomField::getFields('Activity', FALSE, FALSE,
 469           NULL, NULL, TRUE
 470         )
 471       );
 472       $params['custom'] = CRM_Core_BAO_CustomField::postProcess($params,
 473         $customFields,
 474         $this->_activityId,
 475         'Activity'
 476       );
 477     }
 478
 479     // assigning formatted value
 480     if (!empty($params['assignee_contact_id'])) {
 481       $params['assignee_contact_id'] = explode(',', $params['assignee_contact_id']);
 482     }
 483     else {
 484       $params['assignee_contact_id'] = array();
 485     }
 486
 487     if (isset($this->_activityId)) {
 488       // activity which hasn't been modified by a user yet
 489       if ($this->_defaults['is_auto'] == 1) {
 490         $params['is_auto'] = 0;
 491       }
 492
 493       // always create a revision of an case activity. CRM-4533
 494       $newActParams = $params;
 495
 496       // add target contact values in update mode
 497       if (empty($params['target_contact_id']) && !empty($this->_defaults['target_contact'])) {
 498         $newActParams['target_contact_id'] = $this->_defaults['target_contact'];
 499       }
 500     }
 501
 502     if (!isset($newActParams)) {
 503       // add more attachments if needed for old activity
 504       CRM_Core_BAO_File::formatAttachment($params,
 505         $params,
 506         'civicrm_activity'
 507       );
 508
 509       // call begin post process, before the activity is created/updated.
 510       $this->beginPostProcess($params);
 511       foreach ($this->_caseId as $key => $val) {
 512         $params['case_id'] = $val;
 513         // activity create/update
 514         $activity = CRM_Activity_BAO_Activity::create($params);
 515         $vvalue[] = array('case_id' => $val, 'actId' => $activity->id);
 516         // call end post process, after the activity has been created/updated.
 517         $this->endPostProcess($params, $activity);
 518       }
 519     }
 520     else {
 521       // since the params we need to set are very few, and we don't want rest of the
 522       // work done by bao create method , lets use dao object to make the changes
 523       $params = array('id' => $this->_activityId);
 524       $params['is_current_revision'] = 0;
 525       $activity = new CRM_Activity_DAO_Activity();
 526       $activity->copyValues($params);
 527       $activity->save();
 528     }
 529
 530     // create a new version of activity if activity was found to
 531     // have been modified/created by user
 532     if (isset($newActParams)) {
 533       // set proper original_id
 534       if (!empty($this->_defaults['original_id'])) {
 535         $newActParams['original_id'] = $this->_defaults['original_id'];
 536       }
 537       else {
 538         $newActParams['original_id'] = $activity->id;
 539       }
 540       //is_current_revision will be set to 1 by default.
 541
 542       // add attachments if any
 543       CRM_Core_BAO_File::formatAttachment($newActParams,
 544         $newActParams,
 545         'civicrm_activity'
 546       );
 547
 548       // call begin post process, before the activity is created/updated.
 549       $this->beginPostProcess($newActParams);
 550       foreach ($this->_caseId as $key => $val) {
 551         $newActParams['case_id'] = $val;
 552         $activity = CRM_Activity_BAO_Activity::create($newActParams);
 553         $vvalue[] = array('case_id' => $val, 'actId' => $activity->id);
 554         // call end post process, after the activity has been created/updated.
 555         $this->endPostProcess($newActParams, $activity);
 556       }
 557       // copy files attached to old activity if any, to new one,
 558       // as long as users have not selected the 'delete attachment' option.
 559       if (empty($newActParams['is_delete_attachment'])) {
 560         CRM_Core_BAO_File::copyEntityFile('civicrm_activity', $this->_activityId,
 561           'civicrm_activity', $activity->id
 562         );
 563       }
 564
 565       // copy back params to original var
 566       $params = $newActParams;
 567     }
 568
 569     foreach ($vvalue as $vkey => $vval) {
 570       if ($vval['actId']) {
 571         // add tags if exists
 572         $tagParams = array();
 573         if (!empty($params['tag'])) {
 574           foreach ($params['tag'] as $tag) {
 575             $tagParams[$tag] = 1;
 576           }
 577         }
 578
 579         //save static tags
 580         CRM_Core_BAO_EntityTag::create($tagParams, 'civicrm_activity', $vval['actId']);
 581
 582         //save free tags
 583         if (isset($params['taglist']) && !empty($params['taglist'])) {
 584           CRM_Core_Form_Tag::postProcess($params['taglist'], $vval['actId'], 'civicrm_activity', $this);
 585         }
 586       }
 587
 588       // update existing case record if needed
 589       $caseParams = $params;
 590       $caseParams['id'] = $vval['case_id'];
 591       if (!empty($caseParams['case_status_id'])) {
 592         $caseParams['status_id'] = $caseParams['case_status_id'];
 593       }
 594
 595       // unset params intended for activities only
 596       unset($caseParams['subject'], $caseParams['details'],
 597         $caseParams['status_id'], $caseParams['custom']
 598       );
 599       $case = CRM_Case_BAO_Case::create($caseParams);
 600       // create case activity record
 601       $caseParams = array(
 602         'activity_id' => $vval['actId'],
 603         'case_id' => $vval['case_id'],
 604       );
 605       CRM_Case_BAO_Case::processCaseActivity($caseParams);
 606     }
 607
 608     // Insert civicrm_log record for the activity (e.g. store the
 609     // created / edited by contact id and date for the activity)
 610     // Note - civicrm_log is already created by CRM_Activity_BAO_Activity::create()
 611
 612     // send copy to selected contacts.
 613     $mailStatus = '';
 614     $mailToContacts = array();
 615
 616     //CRM-5695
 617     //check for notification settings for assignee contacts
 618     $selectedContacts = array('contact_check');
 619     $activityContacts = CRM_Core_OptionGroup::values('activity_contacts', FALSE, FALSE, FALSE, NULL, 'name');
 620     $assigneeID = CRM_Utils_Array::key('Activity Assignees', $activityContacts);
 621     if (CRM_Core_BAO_Setting::getItem(CRM_Core_BAO_Setting::SYSTEM_PREFERENCES_NAME,
 622       'activity_assignee_notification'
 623     )
 624     ) {
 625       $selectedContacts[] = 'assignee_contact_id';
 626     }
 627
 628     foreach ($vvalue as $vkey => $vval) {
 629       foreach ($selectedContacts as $dnt => $val) {
 630         if (array_key_exists($val, $params) && !CRM_Utils_array::crmIsEmptyArray($params[$val])) {
 631           if ($val == 'contact_check') {
 632             $mailStatus = ts("A copy of the activity has also been sent to selected contacts(s).");
 633           }
 634           else {
 635             $this->_relatedContacts = CRM_Activity_BAO_ActivityAssignment::getAssigneeNames(array($vval['actId']), TRUE, FALSE);
 636             $mailStatus .= ' ' . ts("A copy of the activity has also been sent to assignee contacts(s).");
 637           }
 638           //build an associative array with unique email addresses.
 639           foreach ($params[$val] as $key => $value) {
 640             if ($val == 'contact_check') {
 641               $id = $key;
 642             }
 643             else {
 644               $id = $value;
 645             }
 646
 647             if (isset($id) && array_key_exists($id, $this->_relatedContacts) && isset($this->_relatedContacts[$id]['email'])) {
 648               //if email already exists in array then append with ', ' another role only otherwise add it to array.
 649               if ($contactDetails = CRM_Utils_Array::value($this->_relatedContacts[$id]['email'], $mailToContacts)) {
 650                 $caseRole = CRM_Utils_Array::value('role', $this->_relatedContacts[$id]);
 651                 $mailToContacts[$this->_relatedContacts[$id]['email']]['role'] = $contactDetails['role'] . ', ' . $caseRole;
 652               }
 653               else {
 654                 $mailToContacts[$this->_relatedContacts[$id]['email']] = $this->_relatedContacts[$id];
 655               }
 656             }
 657           }
 658         }
 659       }
 660
 661       if (!CRM_Utils_array::crmIsEmptyArray($mailToContacts)) {
 662         //include attachments while sending a copy of activity.
 663         $attachments = CRM_Core_BAO_File::getEntityFile('civicrm_activity',
 664           $vval['actId']
 665         );
 666
 667         $ics = new CRM_Activity_BAO_ICalendar($activity);
 668         $ics->addAttachment($attachments, $mailToContacts);
 669         $result = CRM_Case_BAO_Case::sendActivityCopy($this->_currentlyViewedContactId,
 670           $vval['actId'], $mailToContacts, $attachments, $vval['case_id']
 671         );
 672         $ics->cleanup();
 673         if (empty($result)) {
 674           $mailStatus = '';
 675         }
 676       }
 677       else {
 678         $mailStatus = '';
 679       }
 680
 681       // create follow up activity if needed
 682       $followupStatus = '';
 683       if (!empty($params['followup_activity_type_id'])) {
 684         $followupActivity = CRM_Activity_BAO_Activity::createFollowupActivity($vval['actId'], $params);
 685
 686         if ($followupActivity) {
 687           $caseParams = array(
 688             'activity_id' => $followupActivity->id,
 689             'case_id' => $vval['case_id'],
 690           );
 691           CRM_Case_BAO_Case::processCaseActivity($caseParams);
 692           $followupStatus = ts("A followup activity has been scheduled.") . '<br /><br />';
 693         }
 694       }
 695       $title = ts("%1 Saved", array(1 => $this->_activityTypeName));
 696       CRM_Core_Session::setStatus($followupStatus . $mailStatus, $title, 'info');
 697     }
 698   }
 699
 700 }