CRM/Contact/Form/Task/Delete.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 /**
  19  * This class provides the functionality to delete a group of contacts.
  20  *
  21  * This class provides functionality for the actual deletion.
  22  */
  23 class CRM_Contact_Form_Task_Delete extends CRM_Contact_Form_Task {
  24
  25   /**
  26    * Are we operating in "single mode", i.e. sending email to one
  27    * specific contact?
  28    *
  29    * @var bool
  30    */
  31   protected $_single = FALSE;
  32
  33   /**
  34    * Cache shared address message so we don't query twice
  35    * @var string
  36    */
  37   protected $_sharedAddressMessage = NULL;
  38
  39   /**
  40    * Build all the data structures needed to build the form.
  41    */
  42   public function preProcess() {
  43
  44     $cid = CRM_Utils_Request::retrieve('cid', 'Positive',
  45       $this, FALSE
  46     );
  47
  48     $this->_searchKey = CRM_Utils_Request::retrieve('key', 'String', $this);
  49
  50     // sort out whether it’s a delete-to-trash, delete-into-oblivion or restore (and let the template know)
  51     $values = $this->controller->exportValues();
  52     $this->_skipUndelete = (CRM_Core_Permission::check('access deleted contacts') and (CRM_Utils_Request::retrieve('skip_undelete', 'Boolean', $this) or CRM_Utils_Array::value('task', $values) == CRM_Contact_Task::DELETE_PERMANENTLY));
  53     $this->_restore = (CRM_Utils_Request::retrieve('restore', 'Boolean', $this) or CRM_Utils_Array::value('task', $values) == CRM_Contact_Task::RESTORE);
  54
  55     if ($this->_restore && !CRM_Core_Permission::check('access deleted contacts')) {
  56       CRM_Core_Error::statusBounce(ts('You do not have permission to access this contact.'));
  57     }
  58     elseif (!CRM_Core_Permission::check('delete contacts')) {
  59       CRM_Core_Error::statusBounce(ts('You do not have permission to delete this contact.'));
  60     }
  61
  62     $this->assign('trash', Civi::settings()->get('contact_undelete') and !$this->_skipUndelete);
  63     $this->assign('restore', $this->_restore);
  64
  65     if ($this->_restore) {
  66       CRM_Utils_System::setTitle(ts('Restore Contact'));
  67     }
  68
  69     if ($cid) {
  70       if (!CRM_Contact_BAO_Contact_Permission::allow($cid, CRM_Core_Permission::EDIT)) {
  71         CRM_Core_Error::statusBounce(ts('You do not have permission to delete this contact. Note: you can delete contacts if you can edit them.'));
  72       }
  73       elseif (CRM_Contact_BAO_Contact::checkDomainContact($cid)) {
  74         CRM_Core_Error::statusBounce(ts('This contact is a special one for the contact information associated with the CiviCRM installation for this domain. No one is allowed to delete it because the information is used for special system purposes.'));
  75       }
  76
  77       $this->_contactIds = [$cid];
  78       $this->_single = TRUE;
  79       $this->assign('totalSelectedContacts', 1);
  80     }
  81     else {
  82       parent::preProcess();
  83     }
  84
  85     $this->_sharedAddressMessage = $this->get('sharedAddressMessage');
  86     if (!$this->_restore && !$this->_sharedAddressMessage) {
  87       // we check for each contact for shared contact address
  88       $sharedContactList = [];
  89       $sharedAddressCount = 0;
  90       foreach ($this->_contactIds as $contactId) {
  91         // check if a contact that is being deleted has any shared addresses
  92         $sharedAddressMessage = CRM_Core_BAO_Address::setSharedAddressDeleteStatus(NULL, $contactId, TRUE);
  93
  94         if ($sharedAddressMessage['count'] > 0) {
  95           $sharedAddressCount += $sharedAddressMessage['count'];
  96           $sharedContactList = array_merge($sharedContactList,
  97             $sharedAddressMessage['contactList']
  98           );
  99         }
 100       }
 101
 102       $this->_sharedAddressMessage = [
 103         'count' => $sharedAddressCount,
 104         'contactList' => $sharedContactList,
 105       ];
 106
 107       if ($sharedAddressCount > 0) {
 108         if (count($this->_contactIds) > 1) {
 109           // more than one contact deleted
 110           $message = ts('One of the selected contacts has an address record that is shared with 1 other contact.', [
 111             'plural' => 'One or more selected contacts have address records which are shared with %count other contacts.',
 112             'count' => $sharedAddressCount,
 113           ]);
 114         }
 115         else {
 116           // only one contact deleted
 117           $message = ts('This contact has an address record which is shared with 1 other contact.', [
 118             'plural' => 'This contact has an address record which is shared with %count other contacts.',
 119             'count' => $sharedAddressCount,
 120           ]);
 121         }
 122         CRM_Core_Session::setStatus($message . ' ' . ts('Shared addresses will not be removed or altered but will no longer be shared.'), ts('Shared Addesses Owner'));
 123       }
 124
 125       // set in form controller so that queries are not fired again
 126       $this->set('sharedAddressMessage', $this->_sharedAddressMessage);
 127     }
 128   }
 129
 130   /**
 131    * Build the form object.
 132    */
 133   public function buildQuickForm() {
 134     $label = $this->_restore ? ts('Restore Contact(s)') : ts('Delete Contact(s)');
 135
 136     if ($this->_single) {
 137       // also fix the user context stack in case the user hits cancel
 138       $context = CRM_Utils_Request::retrieve('context', 'Alphanumeric', $this, FALSE, 'basic');
 139       if ($context == 'search' && CRM_Utils_Rule::qfKey($this->_searchKey)) {
 140         $urlParams = "&context=$context&key=$this->_searchKey";
 141       }
 142       else {
 143         $urlParams = '';
 144       }
 145
 146       $session = CRM_Core_Session::singleton();
 147       $session->replaceUserContext(CRM_Utils_System::url('civicrm/contact/view',
 148         'reset=1&cid=' . $this->_contactIds[0] . $urlParams
 149       ));
 150       $this->addDefaultButtons($label, 'done', 'cancel');
 151     }
 152     else {
 153       $this->addDefaultButtons($label, 'done');
 154     }
 155
 156     $this->addFormRule(['CRM_Contact_Form_Task_Delete', 'formRule'], $this);
 157   }
 158
 159   /**
 160    * Global form rule.
 161    *
 162    * @param array $fields
 163    *   The input form values.
 164    * @param array $files
 165    *   The uploaded files if any.
 166    * @param object $self
 167    *   Form object.
 168    *
 169    * @return bool|array
 170    *   true if no errors, else array of errors
 171    */
 172   public static function formRule($fields, $files, $self) {
 173     // CRM-12929
 174     $error = [];
 175     if ($self->_skipUndelete) {
 176       CRM_Financial_BAO_FinancialItem::checkContactPresent($self->_contactIds, $error);
 177     }
 178     return $error;
 179   }
 180
 181   /**
 182    * Process the form after the input has been submitted and validated.
 183    */
 184   public function postProcess() {
 185     $session = CRM_Core_Session::singleton();
 186     $currentUserId = $session->get('userID');
 187
 188     $context = CRM_Utils_Request::retrieve('context', 'Alphanumeric', $this, FALSE, 'basic');
 189     $urlParams = 'force=1';
 190     $urlString = "civicrm/contact/search/$context";
 191
 192     if (CRM_Utils_Rule::qfKey($this->_searchKey)) {
 193       $urlParams .= "&qfKey=$this->_searchKey";
 194     }
 195     elseif ($context == 'search') {
 196       $urlParams .= "&qfKey={$this->controller->_key}";
 197       $urlString = 'civicrm/contact/search';
 198     }
 199     elseif ($context == 'smog') {
 200       $urlParams .= "&qfKey={$this->controller->_key}&context=smog";
 201       $urlString = 'civicrm/group/search';
 202     }
 203     else {
 204       $urlParams = "reset=1";
 205       $urlString = 'civicrm/dashboard';
 206     }
 207
 208     // Delete/Restore Contacts. Report errors.
 209     $deleted = 0;
 210     $not_deleted = [];
 211     foreach ($this->_contactIds as $cid) {
 212       $name = CRM_Core_DAO::getFieldValue('CRM_Contact_DAO_Contact', $cid, 'display_name');
 213       if (CRM_Contact_BAO_Contact::checkDomainContact($cid)) {
 214         $session->setStatus(ts("'%1' cannot be deleted because the information is used for special system purposes.", [1 => $name]), 'Cannot Delete Domain Contact', 'error');
 215         continue;
 216       }
 217       if ($currentUserId == $cid && !$this->_restore) {
 218         $session->setStatus(ts("You are currently logged in as '%1'. You cannot delete yourself.", [1 => $name]), 'Unable To Delete', 'error');
 219         continue;
 220       }
 221       if (CRM_Contact_BAO_Contact::deleteContact($cid, $this->_restore, $this->_skipUndelete)) {
 222         $deleted++;
 223       }
 224       else {
 225         $url = CRM_Utils_System::url('civicrm/contact/view', "reset=1&cid=$cid");
 226         $not_deleted[$cid] = "<a href='$url'>$name</a>";
 227       }
 228     }
 229     if ($deleted) {
 230       $title = ts('Deleted');
 231       if ($this->_restore) {
 232         $title = ts('Restored');
 233         $status = ts('%1 has been restored from the trash.', [
 234           1 => $name,
 235           'plural' => '%count contacts restored from trash.',
 236           'count' => $deleted,
 237         ]);
 238       }
 239       elseif ($this->_skipUndelete) {
 240         $status = ts('%1 has been permanently deleted.', [
 241           1 => $name,
 242           'plural' => '%count contacts permanently deleted.',
 243           'count' => $deleted,
 244         ]);
 245       }
 246       else {
 247         $status = ts('%1 has been moved to the trash.', [
 248           1 => $name,
 249           'plural' => '%count contacts moved to trash.',
 250           'count' => $deleted,
 251         ]);
 252       }
 253       $session->setStatus($status, $title, 'success');
 254     }
 255     // Alert user of any failures
 256     if ($not_deleted) {
 257       $status = ts('The contact might be the Membership Organization of a Membership Type. You will need to edit the Membership Type and change the Membership Organization before you can delete this contact.');
 258       $title = ts('Unable to Delete');
 259       $session->setStatus('<ul><li>' . implode('</li><li>', $not_deleted) . '</li></ul>' . $status, $title, 'error');
 260     }
 261
 262     if (isset($this->_sharedAddressMessage) && $this->_sharedAddressMessage['count'] > 0 && !$this->_restore) {
 263       if (count($this->_sharedAddressMessage['contactList']) == 1) {
 264         $message = ts('The following contact had been sharing an address with a contact you just deleted. Their address will no longer be shared, but has not been removed or altered.');
 265       }
 266       else {
 267         $message = ts('The following contacts had been sharing addresses with a contact you just deleted. Their addressses will no longer be shared, but have not been removed or altered.');
 268       }
 269       $message .= '<ul><li>' . implode('</li><li>', $this->_sharedAddressMessage['contactList']) . '</li></ul>';
 270
 271       $session->setStatus($message, ts('Shared Addesses Owner Deleted'), 'info', ['expires' => 0]);
 272
 273       $this->set('sharedAddressMessage', NULL);
 274     }
 275
 276     if ($this->_single && empty($this->_skipUndelete)) {
 277       $session->replaceUserContext(CRM_Utils_System::url('civicrm/contact/view', "reset=1&cid={$this->_contactIds[0]}"));
 278     }
 279     else {
 280       $session->replaceUserContext(CRM_Utils_System::url($urlString, $urlParams));
 281     }
 282   }
 283
 284 }