CRM/Core/BAO/MessageTemplate.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | Copyright CiviCRM LLC. All rights reserved.                        |
   5  |                                                                    |
   6  | This work is published under the GNU AGPLv3 license with some      |
   7  | permitted exceptions and without any warranty. For full license    |
   8  | and copyright information, see https://civicrm.org/licensing       |
   9  +--------------------------------------------------------------------+
  10  */
  11
  12 /**
  13  *
  14  * @package CRM
  15  * @copyright CiviCRM LLC https://civicrm.org/licensing
  16  */
  17
  18 use Civi\Api4\MessageTemplate;
  19
  20 require_once 'Mail/mime.php';
  21
  22 /**
  23  * Class CRM_Core_BAO_MessageTemplate.
  24  */
  25 class CRM_Core_BAO_MessageTemplate extends CRM_Core_DAO_MessageTemplate {
  26
  27   /**
  28    * Fetch object based on array of properties.
  29    *
  30    * @param array $params
  31    *   (reference ) an assoc array of name/value pairs.
  32    * @param array $defaults
  33    *   (reference ) an assoc array to hold the flattened values.
  34    *
  35    * @return CRM_Core_DAO_MessageTemplate
  36    */
  37   public static function retrieve(&$params, &$defaults) {
  38     $messageTemplates = new CRM_Core_DAO_MessageTemplate();
  39     $messageTemplates->copyValues($params);
  40     if ($messageTemplates->find(TRUE)) {
  41       CRM_Core_DAO::storeValues($messageTemplates, $defaults);
  42       return $messageTemplates;
  43     }
  44     return NULL;
  45   }
  46
  47   /**
  48    * Update the is_active flag in the db.
  49    *
  50    * @param int $id
  51    *   Id of the database record.
  52    * @param bool $is_active
  53    *   Value we want to set the is_active field.
  54    *
  55    * @return bool
  56    *   true if we found and updated the object, else false
  57    */
  58   public static function setIsActive($id, $is_active) {
  59     return CRM_Core_DAO::setFieldValue('CRM_Core_DAO_MessageTemplate', $id, 'is_active', $is_active);
  60   }
  61
  62   /**
  63    * Add the Message Templates.
  64    *
  65    * @param array $params
  66    *   Reference array contains the values submitted by the form.
  67    *
  68    *
  69    * @return object
  70    * @throws \CiviCRM_API3_Exception
  71    * @throws \Civi\API\Exception\UnauthorizedException
  72    */
  73   public static function add(&$params) {
  74     // System Workflow Templates have a specific wodkflow_id in them but normal user end message templates don't
  75     // If we have an id check to see if we are update, and need to check if original is a system workflow or not.
  76     $systemWorkflowPermissionDeniedMessage = 'Editing or creating system workflow messages requires edit system workflow message templates permission or the edit message templates permission';
  77     $userWorkflowPermissionDeniedMessage = 'Editing or creating user driven workflow messages requires edit user-driven message templates or the edit message templates permission';
  78     if (!empty($params['check_permissions'])) {
  79       if (!CRM_Core_Permission::check('edit message templates')) {
  80         if (!empty($params['id'])) {
  81           $details = civicrm_api3('MessageTemplate', 'getSingle', ['id' => $params['id']]);
  82           if (!empty($details['workflow_id']) || !empty($details['workflow_name'])) {
  83             if (!CRM_Core_Permission::check('edit system workflow message templates')) {
  84               throw new \Civi\API\Exception\UnauthorizedException(ts('%1', [1 => $systemWorkflowPermissionDeniedMessage]));
  85             }
  86           }
  87           elseif (!CRM_Core_Permission::check('edit user-driven message templates')) {
  88             throw new \Civi\API\Exception\UnauthorizedException(ts('%1', [1 => $userWorkflowPermissionDeniedMessage]));
  89           }
  90         }
  91         else {
  92           if (!empty($params['workflow_id']) || !empty($params['workflow_name'])) {
  93             if (!CRM_Core_Permission::check('edit system workflow message templates')) {
  94               throw new \Civi\API\Exception\UnauthorizedException(ts('%1', [1 => $systemWorkflowPermissionDeniedMessage]));
  95             }
  96           }
  97           elseif (!CRM_Core_Permission::check('edit user-driven message templates')) {
  98             throw new \Civi\API\Exception\UnauthorizedException(ts('%1', [1 => $userWorkflowPermissionDeniedMessage]));
  99           }
 100         }
 101       }
 102     }
 103     $hook = empty($params['id']) ? 'create' : 'edit';
 104     CRM_Utils_Hook::pre($hook, 'MessageTemplate', CRM_Utils_Array::value('id', $params), $params);
 105
 106     if (!empty($params['file_id']) && is_array($params['file_id']) && count($params['file_id'])) {
 107       $fileParams = $params['file_id'];
 108       unset($params['file_id']);
 109     }
 110
 111     // The workflow_id and workflow_name should be sync'd. But what mix of inputs do we have to work with?
 112     switch ((empty($params['workflow_id']) ? '' : 'id') . (empty($params['workflow_name']) ? '' : 'name')) {
 113       case 'id':
 114         $params['workflow_name'] = array_search($params['workflow_id'], self::getWorkflowNameIdMap());
 115         break;
 116
 117       case 'name':
 118         $params['workflow_id'] = self::getWorkflowNameIdMap()[$params['workflow_name']] ?? NULL;
 119         break;
 120
 121       case 'idname':
 122         $map = self::getWorkflowNameIdMap();
 123         if ($map[$params['workflow_name']] != $params['workflow_id']) {
 124           throw new CRM_Core_Exception("The workflow_id and workflow_name are mismatched. Note: You only need to submit one or the other.");
 125         }
 126         break;
 127
 128       case '':
 129         // OK, don't care.
 130         break;
 131
 132       default:
 133         throw new \RuntimeException("Bad code");
 134     }
 135
 136     $messageTemplates = new CRM_Core_DAO_MessageTemplate();
 137     $messageTemplates->copyValues($params);
 138     $messageTemplates->save();
 139
 140     if (!empty($fileParams)) {
 141       $params['file_id'] = $fileParams;
 142       CRM_Core_BAO_File::filePostProcess(
 143         $params['file_id']['location'],
 144         NULL,
 145         'civicrm_msg_template',
 146         $messageTemplates->id,
 147         NULL,
 148         TRUE,
 149         $params['file_id'],
 150         'file_id',
 151         $params['file_id']['type']
 152       );
 153     }
 154
 155     CRM_Utils_Hook::post($hook, 'MessageTemplate', $messageTemplates->id, $messageTemplates);
 156     return $messageTemplates;
 157   }
 158
 159   /**
 160    * Delete the Message Templates.
 161    *
 162    * @param int $messageTemplatesID
 163    *
 164    * @throws \CRM_Core_Exception
 165    */
 166   public static function del($messageTemplatesID) {
 167     // make sure messageTemplatesID is an integer
 168     if (!CRM_Utils_Rule::positiveInteger($messageTemplatesID)) {
 169       throw new CRM_Core_Exception(ts('Invalid Message template'));
 170     }
 171
 172     // Set mailing msg template col to NULL
 173     $query = "UPDATE civicrm_mailing
 174                   SET msg_template_id = NULL
 175                   WHERE msg_template_id = %1";
 176
 177     $params = [1 => [$messageTemplatesID, 'Integer']];
 178     CRM_Core_DAO::executeQuery($query, $params);
 179
 180     $messageTemplates = new CRM_Core_DAO_MessageTemplate();
 181     $messageTemplates->id = $messageTemplatesID;
 182     $messageTemplates->delete();
 183     CRM_Core_Session::setStatus(ts('Selected message template has been deleted.'), ts('Deleted'), 'success');
 184   }
 185
 186   /**
 187    * Get the Message Templates.
 188    *
 189    *
 190    * @param bool $all
 191    *
 192    * @param bool $isSMS
 193    *
 194    * @return array
 195    */
 196   public static function getMessageTemplates($all = TRUE, $isSMS = FALSE) {
 197     $msgTpls = [];
 198
 199     $messageTemplates = new CRM_Core_DAO_MessageTemplate();
 200     $messageTemplates->is_active = 1;
 201     $messageTemplates->is_sms = $isSMS;
 202
 203     if (!$all) {
 204       $messageTemplates->workflow_id = 'NULL';
 205     }
 206     $messageTemplates->find();
 207     while ($messageTemplates->fetch()) {
 208       $msgTpls[$messageTemplates->id] = $messageTemplates->msg_title;
 209     }
 210     asort($msgTpls);
 211     return $msgTpls;
 212   }
 213
 214   /**
 215    * @param int $contactId
 216    * @param $email
 217    * @param int $messageTemplateID
 218    * @param $from
 219    *
 220    * @return bool|NULL
 221    * @throws \CRM_Core_Exception
 222    */
 223   public static function sendReminder($contactId, $email, $messageTemplateID, $from) {
 224     CRM_Core_Error::deprecatedWarning('CRM_Core_BAO_MessageTemplate::sendReminder is deprecated and will be removed in a future version of CiviCRM');
 225
 226     $messageTemplates = new CRM_Core_DAO_MessageTemplate();
 227     $messageTemplates->id = $messageTemplateID;
 228
 229     $domain = CRM_Core_BAO_Domain::getDomain();
 230     $result = NULL;
 231     $hookTokens = [];
 232
 233     if ($messageTemplates->find(TRUE)) {
 234       $body_text = $messageTemplates->msg_text;
 235       $body_html = $messageTemplates->msg_html;
 236       $body_subject = $messageTemplates->msg_subject;
 237       if (!$body_text) {
 238         $body_text = CRM_Utils_String::htmlToText($body_html);
 239       }
 240
 241       $params = [['contact_id', '=', $contactId, 0, 0]];
 242       [$contact] = CRM_Contact_BAO_Query::apiQuery($params);
 243
 244       //CRM-4524
 245       $contact = reset($contact);
 246
 247       if (!$contact || is_a($contact, 'CRM_Core_Error')) {
 248         return NULL;
 249       }
 250
 251       //CRM-5734
 252
 253       // get tokens to be replaced
 254       $tokens = array_merge(CRM_Utils_Token::getTokens($body_text),
 255         CRM_Utils_Token::getTokens($body_html),
 256         CRM_Utils_Token::getTokens($body_subject));
 257
 258       // get replacement text for these tokens
 259       $returnProperties = ["preferred_mail_format" => 1];
 260       if (isset($tokens['contact'])) {
 261         foreach ($tokens['contact'] as $key => $value) {
 262           $returnProperties[$value] = 1;
 263         }
 264       }
 265       [$details] = CRM_Utils_Token::getTokenDetails([$contactId],
 266         $returnProperties,
 267         NULL, NULL, FALSE,
 268         $tokens,
 269         'CRM_Core_BAO_MessageTemplate');
 270       $contact = reset($details);
 271
 272       // call token hook
 273       $hookTokens = [];
 274       CRM_Utils_Hook::tokens($hookTokens);
 275       $categories = array_keys($hookTokens);
 276
 277       // do replacements in text and html body
 278       $type = ['html', 'text'];
 279       foreach ($type as $key => $value) {
 280         $bodyType = "body_{$value}";
 281         if ($$bodyType) {
 282           CRM_Utils_Token::replaceGreetingTokens($$bodyType, NULL, $contact['contact_id']);
 283           $$bodyType = CRM_Utils_Token::replaceDomainTokens($$bodyType, $domain, TRUE, $tokens, TRUE);
 284           $$bodyType = CRM_Utils_Token::replaceContactTokens($$bodyType, $contact, FALSE, $tokens, FALSE, TRUE);
 285           $$bodyType = CRM_Utils_Token::replaceComponentTokens($$bodyType, $contact, $tokens, TRUE);
 286           $$bodyType = CRM_Utils_Token::replaceHookTokens($$bodyType, $contact, $categories, TRUE);
 287         }
 288       }
 289       $html = $body_html;
 290       $text = $body_text;
 291
 292       $smarty = CRM_Core_Smarty::singleton();
 293       foreach ([
 294         'text',
 295         'html',
 296       ] as $elem) {
 297         $$elem = $smarty->fetch("string:{$$elem}");
 298       }
 299
 300       // do replacements in message subject
 301       $messageSubject = CRM_Utils_Token::replaceContactTokens($body_subject, $contact, FALSE, $tokens);
 302       $messageSubject = CRM_Utils_Token::replaceDomainTokens($messageSubject, $domain, TRUE, $tokens);
 303       $messageSubject = CRM_Utils_Token::replaceComponentTokens($messageSubject, $contact, $tokens, TRUE);
 304       $messageSubject = CRM_Utils_Token::replaceHookTokens($messageSubject, $contact, $categories, TRUE);
 305
 306       $messageSubject = $smarty->fetch("string:{$messageSubject}");
 307
 308       // set up the parameters for CRM_Utils_Mail::send
 309       $mailParams = [
 310         'groupName' => 'Scheduled Reminder Sender',
 311         'from' => $from,
 312         'toName' => $contact['display_name'],
 313         'toEmail' => $email,
 314         'subject' => $messageSubject,
 315       ];
 316       if (!$html || $contact['preferred_mail_format'] == 'Text' ||
 317         $contact['preferred_mail_format'] == 'Both'
 318       ) {
 319         // render the &amp; entities in text mode, so that the links work
 320         $mailParams['text'] = str_replace('&amp;', '&', $text);
 321       }
 322       if ($html && ($contact['preferred_mail_format'] == 'HTML' ||
 323           $contact['preferred_mail_format'] == 'Both'
 324         )
 325       ) {
 326         $mailParams['html'] = $html;
 327       }
 328
 329       $result = CRM_Utils_Mail::send($mailParams);
 330     }
 331
 332     return $result;
 333   }
 334
 335   /**
 336    * Revert a message template to its default subject+text+HTML state.
 337    *
 338    * @param int $id id of the template
 339    *
 340    * @throws \CRM_Core_Exception
 341    */
 342   public static function revert($id) {
 343     $diverted = new CRM_Core_BAO_MessageTemplate();
 344     $diverted->id = (int) $id;
 345     $diverted->find(1);
 346
 347     if ($diverted->N != 1) {
 348       throw new CRM_Core_Exception(ts('Did not find a message template with id of %1.', [1 => $id]));
 349     }
 350
 351     $orig = new CRM_Core_BAO_MessageTemplate();
 352     $orig->workflow_id = $diverted->workflow_id;
 353     $orig->is_reserved = 1;
 354     $orig->find(1);
 355
 356     if ($orig->N != 1) {
 357       throw new CRM_Core_Exception(ts('Message template with id of %1 does not have a default to revert to.', [1 => $id]));
 358     }
 359
 360     $diverted->msg_subject = $orig->msg_subject;
 361     $diverted->msg_text = $orig->msg_text;
 362     $diverted->msg_html = $orig->msg_html;
 363     $diverted->pdf_format_id = is_null($orig->pdf_format_id) ? 'null' : $orig->pdf_format_id;
 364     $diverted->save();
 365   }
 366
 367   /**
 368    * Send an email from the specified template based on an array of params.
 369    *
 370    * @param array $params
 371    *   A string-keyed array of function params, see function body for details.
 372    *
 373    * @return array
 374    *   Array of four parameters: a boolean whether the email was sent, and the subject, text and HTML templates
 375    * @throws \CRM_Core_Exception
 376    * @throws \API_Exception
 377    */
 378   public static function sendTemplate($params) {
 379     $defaults = [
 380       // option value name of the template
 381       'valueName' => NULL,
 382       // ID of the template
 383       'messageTemplateID' => NULL,
 384       // content of the message template
 385       // Ex: ['msg_subject' => 'Hello {contact.display_name}', 'msg_html' => '...', 'msg_text' => '...']
 386       // INTERNAL: 'messageTemplate' is currently only intended for use within civicrm-core only. For downstream usage, future updates will provide comparable public APIs.
 387       'messageTemplate' => NULL,
 388       // contact id if contact tokens are to be replaced
 389       'contactId' => NULL,
 390       // additional template params (other than the ones already set in the template singleton)
 391       'tplParams' => [],
 392       // additional token params (passed to the TokenProcessor)
 393       // INTERNAL: 'tokenContext' is currently only intended for use within civicrm-core only. For downstream usage, future updates will provide comparable public APIs.
 394       'tokenContext' => [],
 395       // the From: header
 396       'from' => NULL,
 397       // the recipient’s name
 398       'toName' => NULL,
 399       // the recipient’s email - mail is sent only if set
 400       'toEmail' => NULL,
 401       // the Cc: header
 402       'cc' => NULL,
 403       // the Bcc: header
 404       'bcc' => NULL,
 405       // the Reply-To: header
 406       'replyTo' => NULL,
 407       // email attachments
 408       'attachments' => NULL,
 409       // whether this is a test email (and hence should include the test banner)
 410       'isTest' => FALSE,
 411       // filename of optional PDF version to add as attachment (do not include path)
 412       'PDFFilename' => NULL,
 413       // Disable Smarty?
 414       'disableSmarty' => FALSE,
 415     ];
 416     $params = array_merge($defaults, $params);
 417
 418     // Core#644 - handle Email ID passed as "From".
 419     if (isset($params['from'])) {
 420       $params['from'] = CRM_Utils_Mail::formatFromAddress($params['from']);
 421     }
 422
 423     CRM_Utils_Hook::alterMailParams($params, 'messageTemplate');
 424     if (!is_int($params['messageTemplateID']) && !is_null($params['messageTemplateID'])) {
 425       CRM_Core_Error::deprecatedWarning('message template id should be an integer');
 426       $params['messageTemplateID'] = (int) $params['messageTemplateID'];
 427     }
 428     $mailContent = self::loadTemplate((string) $params['valueName'], $params['isTest'], $params['messageTemplateID'] ?? NULL, $params['groupName'] ?? '', $params['messageTemplate'], $params['subject'] ?? NULL);
 429
 430     $mailContent = self::renderMessageTemplate($mailContent, (bool) $params['disableSmarty'], $params['contactId'] ?? NULL, $params['tplParams'], $params['tokenContext']);
 431
 432     // send the template, honouring the target user’s preferences (if any)
 433     $sent = FALSE;
 434
 435     // create the params array
 436     $params['subject'] = $mailContent['subject'];
 437     $params['text'] = $mailContent['text'];
 438     $params['html'] = $mailContent['html'];
 439
 440     if ($params['toEmail']) {
 441       $contactParams = [['email', 'LIKE', $params['toEmail'], 0, 1]];
 442       [$contact] = CRM_Contact_BAO_Query::apiQuery($contactParams);
 443
 444       $prefs = array_pop($contact);
 445
 446       if (isset($prefs['preferred_mail_format']) and $prefs['preferred_mail_format'] === 'HTML') {
 447         $params['text'] = NULL;
 448       }
 449
 450       if (isset($prefs['preferred_mail_format']) and $prefs['preferred_mail_format'] === 'Text') {
 451         $params['html'] = NULL;
 452       }
 453
 454       $config = CRM_Core_Config::singleton();
 455       if (isset($params['isEmailPdf']) && $params['isEmailPdf'] == 1) {
 456         $pdfHtml = CRM_Contribute_BAO_ContributionPage::addInvoicePdfToEmail($params['contributionId'], $params['contactId']);
 457         if (empty($params['attachments'])) {
 458           $params['attachments'] = [];
 459         }
 460         $params['attachments'][] = CRM_Utils_Mail::appendPDF('Invoice.pdf', $pdfHtml, $mailContent['format']);
 461       }
 462       $pdf_filename = '';
 463       if ($config->doNotAttachPDFReceipt &&
 464         $params['PDFFilename'] &&
 465         $params['html']
 466       ) {
 467         if (empty($params['attachments'])) {
 468           $params['attachments'] = [];
 469         }
 470         $params['attachments'][] = CRM_Utils_Mail::appendPDF($params['PDFFilename'], $params['html'], $mailContent['format']);
 471         if (isset($params['tplParams']['email_comment'])) {
 472           $params['html'] = $params['tplParams']['email_comment'];
 473           $params['text'] = strip_tags($params['tplParams']['email_comment']);
 474         }
 475       }
 476
 477       $sent = CRM_Utils_Mail::send($params);
 478
 479       if ($pdf_filename) {
 480         unlink($pdf_filename);
 481       }
 482     }
 483
 484     return [$sent, $mailContent['subject'], $mailContent['text'], $mailContent['html']];
 485   }
 486
 487   /**
 488    * Create a map between workflow_name and workflow_id.
 489    *
 490    * @return array
 491    *   Array(string $workflowName => int $workflowId)
 492    */
 493   protected static function getWorkflowNameIdMap() {
 494     // There's probably some more clever way to do this, but this seems simple.
 495     return CRM_Core_DAO::executeQuery('SELECT cov.name as name, cov.id as id FROM civicrm_option_group cog INNER JOIN civicrm_option_value cov on cov.option_group_id=cog.id WHERE cog.name LIKE %1', [
 496       1 => ['msg_tpl_workflow_%', 'String'],
 497     ])->fetchMap('name', 'id');
 498   }
 499
 500   /**
 501    * Load the specified template.
 502    *
 503    * @param string $workflowName
 504    * @param bool $isTest
 505    * @param int|null $messageTemplateID
 506    * @param string $groupName
 507    * @param array|null $messageTemplateOverride
 508    *   Optionally, record with msg_subject, msg_text, msg_html.
 509    *   If omitted, the record will be loaded from workflowName/messageTemplateID.
 510    * @param string|null $subjectOverride
 511    *   This option is the older, wonkier version of $messageTemplate['msg_subject']...
 512    *
 513    * @return array
 514    * @throws \API_Exception
 515    * @throws \CRM_Core_Exception
 516    */
 517   protected static function loadTemplate(string $workflowName, bool $isTest, int $messageTemplateID = NULL, $groupName = NULL, ?array $messageTemplateOverride = NULL, ?string $subjectOverride = NULL): array {
 518     $base = ['msg_subject' => NULL, 'msg_text' => NULL, 'msg_html' => NULL, 'pdf_format_id' => NULL];
 519     if (!$workflowName && !$messageTemplateID) {
 520       throw new CRM_Core_Exception(ts("Message template's option value or ID missing."));
 521     }
 522
 523     $apiCall = MessageTemplate::get(FALSE)
 524       ->addSelect('msg_subject', 'msg_text', 'msg_html', 'pdf_format_id', 'id')
 525       ->addWhere('is_default', '=', 1);
 526
 527     if ($messageTemplateID) {
 528       $apiCall->addWhere('id', '=', (int) $messageTemplateID);
 529     }
 530     else {
 531       $apiCall->addWhere('workflow_name', '=', $workflowName);
 532     }
 533     $messageTemplate = array_merge($base, $apiCall->execute()->first() ?: [], $messageTemplateOverride ?: []);
 534     if (empty($messageTemplate['id']) && empty($messageTemplateOverride)) {
 535       if ($messageTemplateID) {
 536         throw new CRM_Core_Exception(ts('No such message template: id=%1.', [1 => $messageTemplateID]));
 537       }
 538       throw new CRM_Core_Exception(ts('No message template with workflow name %1.', [1 => $workflowName]));
 539     }
 540
 541     $mailContent = [
 542       'subject' => $messageTemplate['msg_subject'],
 543       'text' => $messageTemplate['msg_text'],
 544       'html' => $messageTemplate['msg_html'],
 545       'format' => $messageTemplate['pdf_format_id'],
 546       // Workflow name is the field in the message templates table that denotes the
 547       // workflow the template is used for. This is intended to eventually
 548       // replace the non-standard option value/group implementation - see
 549       // https://github.com/civicrm/civicrm-core/pull/17227 and the longer
 550       // discussion on https://github.com/civicrm/civicrm-core/pull/17180
 551       'workflow_name' => $workflowName,
 552       // Note messageTemplateID is the id but when present we also know it was specifically requested.
 553       'messageTemplateID' => $messageTemplateID,
 554       // Group name & valueName are deprecated parameters. At some point it will not be passed out.
 555       // https://github.com/civicrm/civicrm-core/pull/17180
 556       'groupName' => $groupName,
 557       'valueName' => $workflowName,
 558     ];
 559
 560     CRM_Utils_Hook::alterMailContent($mailContent);
 561
 562     // add the test banner (if requested)
 563     if ($isTest) {
 564       $testText = MessageTemplate::get(FALSE)
 565         ->setSelect(['msg_subject', 'msg_text', 'msg_html'])
 566         ->addWhere('workflow_name', '=', 'test_preview')
 567         ->addWhere('is_default', '=', TRUE)
 568         ->execute()->first();
 569
 570       $mailContent['subject'] = $testText['msg_subject'] . $mailContent['subject'];
 571       $mailContent['text'] = $testText['msg_text'] . $mailContent['text'];
 572       $mailContent['html'] = preg_replace('/<body(.*)$/im', "<body\\1\n{$testText['msg_html']}", $mailContent['html']);
 573     }
 574
 575     if (!empty($subjectOverride)) {
 576       CRM_Core_Error::deprecatedWarning('CRM_Core_BAO_MessageTemplate: $params[subject] is deprecated. Use $params[messageTemplate][msg_subject] instead.');
 577       $mailContent['subject'] = $subjectOverride;
 578     }
 579
 580     return $mailContent;
 581   }
 582
 583   /**
 584    * Render the message template, resolving tokens and smarty tokens.
 585    *
 586    * As with all BAO methods this should not be called directly outside
 587    * of tested core code and is highly likely to change.
 588    *
 589    * @param array $mailContent
 590    * @param bool $disableSmarty
 591    * @param int|NULL $contactID
 592    * @param array $smartyAssigns
 593    *   Data to pass through to Smarty.
 594    * @param array $tokenContext
 595    *   Data to pass through to TokenProcessor.
 596    *
 597    * @return array
 598    */
 599   public static function renderMessageTemplate(array $mailContent, bool $disableSmarty, $contactID, array $smartyAssigns, array $tokenContext = []): array {
 600     $tokenContext['smarty'] = !$disableSmarty;
 601     if ($contactID && !isset($tokenContext['contactId'])) {
 602       $tokenContext['contactId'] = $contactID;
 603     }
 604     $result = CRM_Core_TokenSmarty::render(CRM_Utils_Array::subset($mailContent, ['text', 'html', 'subject']), $tokenContext, $smartyAssigns);
 605     if (isset($mailContent['subject'])) {
 606       $result['subject'] = trim(preg_replace('/[\r\n]+/', ' ', $result['subject']));
 607     }
 608     $nullSet = ['subject' => NULL, 'text' => NULL, 'html' => NULL];
 609     return array_merge($nullSet, $mailContent, $result);
 610   }
 611
 612 }