CRM/Report/Form/Mailing/Summary.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | CiviCRM version 4.7                                                |
   5  +--------------------------------------------------------------------+
   6  | Copyright CiviCRM LLC (c) 2004-2016                                |
   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) 2004-2016
  32  * $Id$
  33  *
  34  */
  35 class CRM_Report_Form_Mailing_Summary extends CRM_Report_Form {
  36
  37   protected $_summary = NULL;
  38
  39   protected $_customGroupExtends = array();
  40
  41   protected $_add2groupSupported = FALSE;
  42
  43   public $_drilldownReport = array('mailing/detail' => 'Link to Detail Report');
  44
  45   protected $_charts = array(
  46     '' => 'Tabular',
  47     'bar_3dChart' => 'Bar Chart',
  48   );
  49
  50   public $campaignEnabled = FALSE;
  51
  52   /**
  53    */
  54   /**
  55    */
  56   public function __construct() {
  57     $this->_columns = array();
  58
  59     $this->_columns['civicrm_mailing'] = array(
  60       'dao' => 'CRM_Mailing_DAO_Mailing',
  61       'fields' => array(
  62         'id' => array(
  63           'name' => 'id',
  64           'title' => ts('Mailing ID'),
  65           'required' => TRUE,
  66           'no_display' => TRUE,
  67         ),
  68         'name' => array(
  69           'title' => ts('Mailing Name'),
  70           'required' => TRUE,
  71         ),
  72         'created_date' => array(
  73           'title' => ts('Date Created'),
  74         ),
  75         'subject' => array(
  76           'title' => ts('Subject'),
  77         ),
  78       ),
  79       'filters' => array(
  80         'is_completed' => array(
  81           'title' => ts('Mailing Status'),
  82           'operatorType' => CRM_Report_Form::OP_SELECT,
  83           'type' => CRM_Utils_Type::T_INT,
  84           'options' => array(
  85             0 => 'Incomplete',
  86             1 => 'Complete',
  87           ),
  88           //'operator' => 'like',
  89           'default' => 1,
  90         ),
  91         'mailing_name' => array(
  92           'name' => 'name',
  93           'title' => ts('Mailing'),
  94           'operatorType' => CRM_Report_Form::OP_MULTISELECT,
  95           'type' => CRM_Utils_Type::T_STRING,
  96           'options' => self::mailing_select(),
  97           'operator' => 'like',
  98         ),
  99       ),
 100     );
 101
 102     $this->_columns['civicrm_mailing_job'] = array(
 103       'dao' => 'CRM_Mailing_DAO_MailingJob',
 104       'fields' => array(
 105         'start_date' => array(
 106           'title' => ts('Start Date'),
 107         ),
 108         'end_date' => array(
 109           'title' => ts('End Date'),
 110         ),
 111       ),
 112       'filters' => array(
 113         'status' => array(
 114           'type' => CRM_Utils_Type::T_STRING,
 115           'default' => 'Complete',
 116           'no_display' => TRUE,
 117         ),
 118         'is_test' => array(
 119           'type' => CRM_Utils_Type::T_INT,
 120           'default' => 0,
 121           'no_display' => TRUE,
 122         ),
 123         'start_date' => array(
 124           'title' => ts('Start Date'),
 125           'default' => 'this.year',
 126           'operatorType' => CRM_Report_Form::OP_DATE,
 127           'type' => CRM_Utils_Type::T_DATE,
 128         ),
 129         'end_date' => array(
 130           'title' => ts('End Date'),
 131           'default' => 'this.year',
 132           'operatorType' => CRM_Report_Form::OP_DATE,
 133           'type' => CRM_Utils_Type::T_DATE,
 134         ),
 135       ),
 136     );
 137
 138     $this->_columns['civicrm_mailing_event_queue'] = array(
 139       'dao' => 'CRM_Mailing_DAO_Mailing',
 140       'fields' => array(
 141         'queue_count' => array(
 142           'name' => 'id',
 143           'title' => ts('Intended Recipients'),
 144         ),
 145       ),
 146     );
 147
 148     $this->_columns['civicrm_mailing_event_delivered'] = array(
 149       'dao' => 'CRM_Mailing_DAO_Mailing',
 150       'fields' => array(
 151         'delivered_count' => array(
 152           'name' => 'event_queue_id',
 153           'title' => ts('Delivered'),
 154         ),
 155         'accepted_rate' => array(
 156           'title' => 'Accepted Rate',
 157           'statistics' => array(
 158             'calc' => 'PERCENTAGE',
 159             'top' => 'civicrm_mailing_event_delivered.delivered_count',
 160             'base' => 'civicrm_mailing_event_queue.queue_count',
 161           ),
 162         ),
 163       ),
 164     );
 165
 166     $this->_columns['civicrm_mailing_event_bounce'] = array(
 167       'dao' => 'CRM_Mailing_DAO_Mailing',
 168       'fields' => array(
 169         'bounce_count' => array(
 170           'name' => 'event_queue_id',
 171           'title' => ts('Bounce'),
 172         ),
 173         'bounce_rate' => array(
 174           'title' => 'Bounce Rate',
 175           'statistics' => array(
 176             'calc' => 'PERCENTAGE',
 177             'top' => 'civicrm_mailing_event_bounce.bounce_count',
 178             'base' => 'civicrm_mailing_event_queue.queue_count',
 179           ),
 180         ),
 181       ),
 182     );
 183
 184     $this->_columns['civicrm_mailing_event_opened'] = array(
 185       'dao' => 'CRM_Mailing_DAO_Mailing',
 186       'fields' => array(
 187         'unique_open_count' => array(
 188           'name' => 'id',
 189           'alias' => 'mailing_event_opened_civireport',
 190           'dbAlias' => 'mailing_event_opened_civireport.event_queue_id',
 191           'title' => ts('Unique Opens'),
 192         ),
 193         'unique_open_rate' => array(
 194           'title' => 'Unique Open Rate',
 195           'statistics' => array(
 196             'calc' => 'PERCENTAGE',
 197             'top' => 'civicrm_mailing_event_opened.unique_open_count',
 198             'base' => 'civicrm_mailing_event_delivered.delivered_count',
 199           ),
 200         ),
 201         'open_count' => array(
 202           'name' => 'event_queue_id',
 203           'title' => ts('Total Opens'),
 204         ),
 205         'open_rate' => array(
 206           'title' => 'Total Open Rate',
 207           'statistics' => array(
 208             'calc' => 'PERCENTAGE',
 209             'top' => 'civicrm_mailing_event_opened.open_count',
 210             'base' => 'civicrm_mailing_event_delivered.delivered_count',
 211           ),
 212         ),
 213       ),
 214     );
 215
 216     $this->_columns['civicrm_mailing_event_trackable_url_open'] = array(
 217       'dao' => 'CRM_Mailing_DAO_Mailing',
 218       'fields' => array(
 219         'click_count' => array(
 220           'name' => 'event_queue_id',
 221           'title' => ts('Clicks'),
 222         ),
 223         'CTR' => array(
 224           'title' => 'Click through Rate',
 225           'default' => 0,
 226           'statistics' => array(
 227             'calc' => 'PERCENTAGE',
 228             'top' => 'civicrm_mailing_event_trackable_url_open.click_count',
 229             'base' => 'civicrm_mailing_event_delivered.delivered_count',
 230           ),
 231         ),
 232         'CTO' => array(
 233           'title' => 'Click to Open Rate',
 234           'default' => 0,
 235           'statistics' => array(
 236             'calc' => 'PERCENTAGE',
 237             'top' => 'civicrm_mailing_event_trackable_url_open.click_count',
 238             'base' => 'civicrm_mailing_event_opened.open_count',
 239           ),
 240         ),
 241       ),
 242     );
 243
 244     $this->_columns['civicrm_mailing_event_unsubscribe'] = array(
 245       'dao' => 'CRM_Mailing_DAO_Mailing',
 246       'fields' => array(
 247         'unsubscribe_count' => array(
 248           'name' => 'id',
 249           'title' => ts('Unsubscribe'),
 250           'alias' => 'mailing_event_unsubscribe_civireport',
 251           'dbAlias' => 'mailing_event_unsubscribe_civireport.event_queue_id',
 252         ),
 253         'optout_count' => array(
 254           'name' => 'id',
 255           'title' => ts('Opt-outs'),
 256           'alias' => 'mailing_event_optout_civireport',
 257           'dbAlias' => 'mailing_event_optout_civireport.event_queue_id',
 258         ),
 259       ),
 260     );
 261     $config = CRM_Core_Config::singleton();
 262     $this->campaignEnabled = in_array("CiviCampaign", $config->enableComponents);
 263     if ($this->campaignEnabled) {
 264       $this->_columns['civicrm_campaign'] = array(
 265         'dao' => 'CRM_Campaign_DAO_Campaign',
 266         'fields' => array(
 267           'title' => array(
 268             'title' => ts('Campaign Name'),
 269           ),
 270         ),
 271         'filters' => array(
 272           'title' => array(
 273             'type' => CRM_Utils_Type::T_STRING,
 274           ),
 275         ),
 276       );
 277     }
 278     parent::__construct();
 279   }
 280
 281   /**
 282    * @return array
 283    */
 284   public function mailing_select() {
 285
 286     $data = array();
 287
 288     $mailing = new CRM_Mailing_BAO_Mailing();
 289     $query = "SELECT name FROM civicrm_mailing WHERE sms_provider_id IS NULL";
 290     $mailing->query($query);
 291
 292     while ($mailing->fetch()) {
 293       $data[mysql_real_escape_string($mailing->name)] = $mailing->name;
 294     }
 295
 296     return $data;
 297   }
 298
 299   public function preProcess() {
 300     $this->assign('chartSupported', TRUE);
 301     parent::preProcess();
 302   }
 303
 304   /**
 305    * manipulate the select function to query count functions.
 306    */
 307   public function select() {
 308
 309     $count_tables = array(
 310       'civicrm_mailing_event_queue',
 311       'civicrm_mailing_event_delivered',
 312       'civicrm_mailing_event_opened',
 313       'civicrm_mailing_event_bounce',
 314       'civicrm_mailing_event_trackable_url_open',
 315       'civicrm_mailing_event_unsubscribe',
 316     );
 317
 318     $select = array();
 319     $this->_columnHeaders = array();
 320     foreach ($this->_columns as $tableName => $table) {
 321       if (array_key_exists('fields', $table)) {
 322         foreach ($table['fields'] as $fieldName => $field) {
 323           if (!empty($field['required']) || !empty($this->_params['fields'][$fieldName])) {
 324
 325             # for statistics
 326             if (!empty($field['statistics'])) {
 327               switch ($field['statistics']['calc']) {
 328                 case 'PERCENTAGE':
 329                   $base_table_column = explode('.', $field['statistics']['base']);
 330                   $top_table_column = explode('.', $field['statistics']['top']);
 331
 332                   $select[] = "CONCAT(round(
 333                     count(DISTINCT {$this->_columns[$top_table_column[0]]['fields'][$top_table_column[1]]['dbAlias']}) /
 334                     count(DISTINCT {$this->_columns[$base_table_column[0]]['fields'][$base_table_column[1]]['dbAlias']}) * 100, 2
 335                   ), '%') as {$tableName}_{$fieldName}";
 336                   break;
 337               }
 338             }
 339             else {
 340               if (in_array($tableName, $count_tables)) {
 341                 $select[] = "count(DISTINCT {$field['dbAlias']}) as {$tableName}_{$fieldName}";
 342               }
 343               else {
 344                 $select[] = "{$field['dbAlias']} as {$tableName}_{$fieldName}";
 345               }
 346             }
 347             $this->_columnHeaders["{$tableName}_{$fieldName}"]['type'] = CRM_Utils_Array::value('type', $field);
 348             $this->_columnHeaders["{$tableName}_{$fieldName}"]['title'] = $field['title'];
 349           }
 350         }
 351       }
 352     }
 353
 354     $this->_select = "SELECT " . implode(', ', $select) . " ";
 355     //print_r($this->_select);
 356   }
 357
 358   public function from() {
 359
 360     $this->_from = "
 361     FROM civicrm_mailing {$this->_aliases['civicrm_mailing']}
 362       LEFT JOIN civicrm_mailing_job {$this->_aliases['civicrm_mailing_job']}
 363         ON {$this->_aliases['civicrm_mailing']}.id = {$this->_aliases['civicrm_mailing_job']}.mailing_id
 364       LEFT JOIN civicrm_mailing_event_queue {$this->_aliases['civicrm_mailing_event_queue']}
 365         ON {$this->_aliases['civicrm_mailing_event_queue']}.job_id = {$this->_aliases['civicrm_mailing_job']}.id
 366       LEFT JOIN civicrm_mailing_event_bounce {$this->_aliases['civicrm_mailing_event_bounce']}
 367         ON {$this->_aliases['civicrm_mailing_event_bounce']}.event_queue_id = {$this->_aliases['civicrm_mailing_event_queue']}.id
 368       LEFT JOIN civicrm_mailing_event_delivered {$this->_aliases['civicrm_mailing_event_delivered']}
 369         ON {$this->_aliases['civicrm_mailing_event_delivered']}.event_queue_id = {$this->_aliases['civicrm_mailing_event_queue']}.id
 370         AND {$this->_aliases['civicrm_mailing_event_bounce']}.id IS null
 371       LEFT JOIN civicrm_mailing_event_opened {$this->_aliases['civicrm_mailing_event_opened']}
 372         ON {$this->_aliases['civicrm_mailing_event_opened']}.event_queue_id = {$this->_aliases['civicrm_mailing_event_queue']}.id
 373       LEFT JOIN civicrm_mailing_event_trackable_url_open {$this->_aliases['civicrm_mailing_event_trackable_url_open']}
 374         ON {$this->_aliases['civicrm_mailing_event_trackable_url_open']}.event_queue_id = {$this->_aliases['civicrm_mailing_event_queue']}.id
 375       LEFT JOIN civicrm_mailing_event_unsubscribe {$this->_aliases['civicrm_mailing_event_unsubscribe']}
 376         ON {$this->_aliases['civicrm_mailing_event_unsubscribe']}.event_queue_id = {$this->_aliases['civicrm_mailing_event_queue']}.id AND {$this->_aliases['civicrm_mailing_event_unsubscribe']}.org_unsubscribe = 0
 377       LEFT JOIN civicrm_mailing_event_unsubscribe mailing_event_optout_civireport
 378         ON mailing_event_optout_civireport.event_queue_id = {$this->_aliases['civicrm_mailing_event_queue']}.id AND mailing_event_optout_civireport.org_unsubscribe = 1";
 379
 380     if ($this->campaignEnabled) {
 381       $this->_from .= "
 382         LEFT JOIN civicrm_campaign {$this->_aliases['civicrm_campaign']}
 383         ON {$this->_aliases['civicrm_campaign']}.id = {$this->_aliases['civicrm_mailing']}.campaign_id";
 384     }
 385
 386     // need group by and order by
 387
 388     //print_r($this->_from);
 389   }
 390
 391   public function where() {
 392     $clauses = array();
 393     //to avoid the sms listings
 394     $clauses[] = "{$this->_aliases['civicrm_mailing']}.sms_provider_id IS NULL";
 395
 396     foreach ($this->_columns as $tableName => $table) {
 397       if (array_key_exists('filters', $table)) {
 398         foreach ($table['filters'] as $fieldName => $field) {
 399           $clause = NULL;
 400           if (CRM_Utils_Array::value('type', $field) & CRM_Utils_Type::T_DATE) {
 401             $relative = CRM_Utils_Array::value("{$fieldName}_relative", $this->_params);
 402             $from = CRM_Utils_Array::value("{$fieldName}_from", $this->_params);
 403             $to = CRM_Utils_Array::value("{$fieldName}_to", $this->_params);
 404
 405             $clause = $this->dateClause($this->_aliases[$tableName] . '.' . $field['name'], $relative, $from, $to, $field['type']);
 406           }
 407           else {
 408             $op = CRM_Utils_Array::value("{$fieldName}_op", $this->_params);
 409
 410             if ($op) {
 411               if ($fieldName == 'relationship_type_id') {
 412                 $clause = "{$this->_aliases['civicrm_relationship']}.relationship_type_id=" . $this->relationshipId;
 413               }
 414               else {
 415                 $clause = $this->whereClause($field,
 416                   $op,
 417                   CRM_Utils_Array::value("{$fieldName}_value", $this->_params),
 418                   CRM_Utils_Array::value("{$fieldName}_min", $this->_params),
 419                   CRM_Utils_Array::value("{$fieldName}_max", $this->_params)
 420                 );
 421               }
 422             }
 423           }
 424
 425           if (!empty($clause)) {
 426             $clauses[] = $clause;
 427           }
 428         }
 429       }
 430     }
 431
 432     if (empty($clauses)) {
 433       $this->_where = "WHERE ( 1 )";
 434     }
 435     else {
 436       $this->_where = "WHERE " . implode(' AND ', $clauses);
 437     }
 438
 439     // if ( $this->_aclWhere ) {
 440     // $this->_where .= " AND {$this->_aclWhere} ";
 441     // }
 442   }
 443
 444   public function groupBy() {
 445     $this->_groupBy = "GROUP BY {$this->_aliases['civicrm_mailing']}.id";
 446   }
 447
 448   public function orderBy() {
 449     $this->_orderBy = " ORDER BY {$this->_aliases['civicrm_mailing_job']}.end_date DESC ";
 450   }
 451
 452   public function postProcess() {
 453
 454     $this->beginPostProcess();
 455
 456     // get the acl clauses built before we assemble the query
 457     $this->buildACLClause(CRM_Utils_Array::value('civicrm_contact', $this->_aliases));
 458
 459     $sql = $this->buildQuery(TRUE);
 460
 461     // print_r($sql);
 462
 463     $rows = $graphRows = array();
 464     $this->buildRows($sql, $rows);
 465
 466     $this->formatDisplay($rows);
 467     $this->doTemplateAssignment($rows);
 468     $this->endPostProcess($rows);
 469   }
 470
 471   /**
 472    * @return array
 473    */
 474   public static function getChartCriteria() {
 475     return array(
 476       'count' => array(
 477         'civicrm_mailing_event_delivered_delivered_count' => ts('Delivered'),
 478         'civicrm_mailing_event_bounce_bounce_count' => ts('Bounce'),
 479         'civicrm_mailing_event_opened_open_count' => ts('Total Opens'),
 480         'civicrm_mailing_event_opened_unique_open_count' => ts('Unique Opens'),
 481         'civicrm_mailing_event_trackable_url_open_click_count' => ts('Clicks'),
 482         'civicrm_mailing_event_unsubscribe_unsubscribe_count' => ts('Unsubscribe'),
 483       ),
 484       'rate' => array(
 485         'civicrm_mailing_event_delivered_accepted_rate' => ts('Accepted Rate'),
 486         'civicrm_mailing_event_bounce_bounce_rate' => ts('Bounce Rate'),
 487         'civicrm_mailing_event_opened_open_rate' => ts('Total Open Rate'),
 488         'civicrm_mailing_event_opened_unique_open_rate' => ts('Unique Open Rate'),
 489         'civicrm_mailing_event_trackable_url_open_CTR' => ts('Click through Rate'),
 490         'civicrm_mailing_event_trackable_url_open_CTO' => ts('Click to Open Rate'),
 491       ),
 492     );
 493   }
 494
 495   /**
 496    * @param $fields
 497    * @param $files
 498    * @param $self
 499    *
 500    * @return array
 501    */
 502   public static function formRule($fields, $files, $self) {
 503     $errors = array();
 504
 505     if (empty($fields['charts'])) {
 506       return $errors;
 507     }
 508
 509     $criteria = self::getChartCriteria();
 510     $isError = TRUE;
 511     foreach ($fields['fields'] as $fld => $isActive) {
 512       if (in_array($fld, array(
 513         'delivered_count',
 514         'bounce_count',
 515         'open_count',
 516         'click_count',
 517         'unsubscribe_count',
 518         'accepted_rate',
 519         'bounce_rate',
 520         'open_rate',
 521         'CTR',
 522         'CTO',
 523         'unique_open_rate',
 524         'unique_open_count',
 525       ))) {
 526         $isError = FALSE;
 527       }
 528     }
 529
 530     if ($isError) {
 531       $errors['_qf_default'] = ts('For Chart view, please select at least one field from %1 OR %2.', array(
 532           1 => implode(', ', $criteria['count']),
 533           2 => implode(', ', $criteria['rate']),
 534         ));
 535     }
 536
 537     return $errors;
 538   }
 539
 540   /**
 541    * @param $rows
 542    */
 543   public function buildChart(&$rows) {
 544     if (empty($rows)) {
 545       return;
 546     }
 547
 548     $criteria = self::getChartCriteria();
 549
 550     $chartInfo = array(
 551       'legend' => ts('Mail Summary'),
 552       'xname' => ts('Mailing'),
 553       'yname' => ts('Statistics'),
 554       'xLabelAngle' => 20,
 555       'tip' => array(),
 556     );
 557
 558     $plotRate = $plotCount = TRUE;
 559     foreach ($rows as $row) {
 560       $chartInfo['values'][$row['civicrm_mailing_name']] = array();
 561       if ($plotCount) {
 562         foreach ($criteria['count'] as $criteria => $label) {
 563           if (isset($row[$criteria])) {
 564             $chartInfo['values'][$row['civicrm_mailing_name']][$label] = $row[$criteria];
 565             $chartInfo['tip'][$label] = "{$label} #val#";
 566             $plotRate = FALSE;
 567           }
 568           elseif (isset($criteria['count'][$criteria])) {
 569             unset($criteria['count'][$criteria]);
 570           }
 571         }
 572       }
 573       if ($plotRate) {
 574         foreach ($criteria['rate'] as $criteria => $label) {
 575           if (isset($row[$criteria])) {
 576             $chartInfo['values'][$row['civicrm_mailing_name']][$label] = $row[$criteria];
 577             $chartInfo['tip'][$label] = "{$label} #val#";
 578             $plotCount = FALSE;
 579           }
 580           elseif (isset($criteria['rate'][$criteria])) {
 581             unset($criteria['rate'][$criteria]);
 582           }
 583         }
 584       }
 585     }
 586
 587     if ($plotCount) {
 588       $criteria = $criteria['count'];
 589     }
 590     else {
 591       $criteria = $criteria['rate'];
 592     }
 593
 594     $chartInfo['criteria'] = array_values($criteria);
 595
 596     // dynamically set the graph size
 597     $chartInfo['xSize'] = ((count($rows) * 125) + (count($rows) * count($criteria) * 40));
 598
 599     // build the chart.
 600     CRM_Utils_OpenFlashChart::buildChart($chartInfo, $this->_params['charts']);
 601     $this->assign('chartType', $this->_params['charts']);
 602   }
 603
 604   /**
 605    * Alter display of rows.
 606    *
 607    * Iterate through the rows retrieved via SQL and make changes for display purposes,
 608    * such as rendering contacts as links.
 609    *
 610    * @param array $rows
 611    *   Rows generated by SQL, with an array for each row.
 612    */
 613   public function alterDisplay(&$rows) {
 614     $entryFound = FALSE;
 615     foreach ($rows as $rowNum => $row) {
 616       // CRM-16506
 617       if (array_key_exists('civicrm_mailing_name', $row) &&
 618         array_key_exists('civicrm_mailing_id', $row)
 619       ) {
 620         $rows[$rowNum]['civicrm_mailing_name_link'] = CRM_Report_Utils_Report::getNextUrl('mailing/detail',
 621           'reset=1&force=1&mailing_id_op=eq&mailing_id_value=' . $row['civicrm_mailing_id'],
 622           $this->_absoluteUrl, $this->_id, $this->_drilldownReport
 623         );
 624         $rows[$rowNum]['civicrm_mailing_name_hover'] = ts('View Mailing details for this mailing');
 625         $entryFound = TRUE;
 626       }
 627       // skip looking further in rows, if first row itself doesn't
 628       // have the column we need
 629       if (!$entryFound) {
 630         break;
 631       }
 632     }
 633   }
 634
 635 }