[civicrm-core.git] / CRM / Core / BAO / PrevNextCache.php

<?php
/*
  +--------------------------------------------------------------------+
  | CiviCRM version 4.7                                                |
  +--------------------------------------------------------------------+
  | Copyright CiviCRM LLC (c) 2004-2016                                |
  +--------------------------------------------------------------------+
  | This file is a part of CiviCRM.                                    |
  |                                                                    |
  | CiviCRM is free software; you can copy, modify, and distribute it  |
  | under the terms of the GNU Affero General Public License           |
  | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
  |                                                                    |
  | CiviCRM is distributed in the hope that it will be useful, but     |
  | WITHOUT ANY WARRANTY; without even the implied warranty of         |
  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.               |
  | See the GNU Affero General Public License for more details.        |
  |                                                                    |
  | You should have received a copy of the GNU Affero General Public   |
  | License and the CiviCRM Licensing Exception along                  |
  | with this program; if not, contact CiviCRM LLC                     |
  | at info[AT]civicrm[DOT]org. If you have questions about the        |
  | GNU Affero General Public License or the licensing of CiviCRM,     |
  | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
  +--------------------------------------------------------------------+
 */

/**
 *
 * @package CRM
 * @copyright CiviCRM LLC (c) 2004-2016
 * $Id$
 *
 */

/**
 * BAO object for civicrm_prevnext_cache table
 */
class CRM_Core_BAO_PrevNextCache extends CRM_Core_DAO_PrevNextCache {

  /**
   * @param $cacheKey
   * @param $id1
   * @param $id2
   * @param int $mergeId
   * @param NULL $join
   * @param NULL $where
   * @param bool $flip
   *
   * @return array
   */
  public static function getPositions($cacheKey, $id1, $id2, &$mergeId = NULL, $join = NULL, $where = NULL, $flip = FALSE) {
    if ($flip) {
      list($id1, $id2) = array($id2, $id1);
    }

    if ($mergeId == NULL) {
      $query = "
SELECT id
FROM   civicrm_prevnext_cache
WHERE  cacheKey     = %3 AND
       entity_id1 = %1 AND
       entity_id2 = %2 AND
       entity_table = 'civicrm_contact'
";

      $params = array(
        1 => array($id1, 'Integer'),
        2 => array($id2, 'Integer'),
        3 => array($cacheKey, 'String'),
      );

      $mergeId = CRM_Core_DAO::singleValueQuery($query, $params);
    }

    $pos = array('foundEntry' => 0);
    if ($mergeId) {
      $pos['foundEntry'] = 1;

      if ($where) {

        $where = " AND {$where}";

      }
      $p = array(
        1 => array($mergeId, 'Integer'),
        2 => array($cacheKey, 'String'),
      );
      $sql = "SELECT pn.id, pn.entity_id1, pn.entity_id2, pn.data FROM civicrm_prevnext_cache pn {$join} ";
      $wherePrev = " WHERE pn.id < %1 AND pn.cacheKey = %2 {$where} ORDER BY ID DESC LIMIT 1";
      $sqlPrev = $sql . $wherePrev;

      $dao = CRM_Core_DAO::executeQuery($sqlPrev, $p);
      if ($dao->fetch()) {
        $pos['prev']['id1'] = $dao->entity_id1;
        $pos['prev']['id2'] = $dao->entity_id2;
        $pos['prev']['mergeId'] = $dao->id;
        $pos['prev']['data'] = $dao->data;
      }

      $whereNext = " WHERE pn.id > %1 AND pn.cacheKey = %2 {$where} ORDER BY ID ASC LIMIT 1";
      $sqlNext = $sql . $whereNext;

      $dao = CRM_Core_DAO::executeQuery($sqlNext, $p);
      if ($dao->fetch()) {
        $pos['next']['id1'] = $dao->entity_id1;
        $pos['next']['id2'] = $dao->entity_id2;
        $pos['next']['mergeId'] = $dao->id;
        $pos['next']['data'] = $dao->data;
      }
    }
    return $pos;
  }

  /**
   * @param int $id
   * @param NULL $cacheKey
   * @param string $entityTable
   */
  public static function deleteItem($id = NULL, $cacheKey = NULL, $entityTable = 'civicrm_contact') {

    //clear cache
    $sql = "DELETE FROM civicrm_prevnext_cache WHERE  entity_table = %1";
    $params = array(1 => array($entityTable, 'String'));

    if (is_numeric($id)) {
      $sql .= " AND ( entity_id1 = %2 OR entity_id2 = %2 )";
      $params[2] = array($id, 'Integer');
    }

    if (isset($cacheKey)) {
      $sql .= " AND cacheKey LIKE %3";
      $params[3] = array("{$cacheKey}%", 'String');
    }
    CRM_Core_DAO::executeQuery($sql, $params);
  }

  /**
   * @param $id1
   * @param $id2
   * @param NULL $cacheKey
   * @param bool $isViceVersa
   * @param string $entityTable
   */
  public static function deletePair($id1, $id2, $cacheKey = NULL, $isViceVersa = FALSE, $entityTable = 'civicrm_contact') {
    $sql = "DELETE FROM civicrm_prevnext_cache WHERE  entity_table = %1";
    $params = array(1 => array($entityTable, 'String'));

    $pair = !$isViceVersa ? "entity_id1 = %2 AND entity_id2 = %3" : "(entity_id1 = %2 AND entity_id2 = %3) OR (entity_id1 = %3 AND entity_id2 = %2)";
    $sql .= " AND ( {$pair} )";
    $params[2] = array($id1, 'Integer');
    $params[3] = array($id2, 'Integer');

    if (isset($cacheKey)) {
      $sql .= " AND cacheKey LIKE %4";
      $params[4] = array("{$cacheKey}%", 'String'); // used % to address any row with conflict-cacheKey e.g "merge Individual_8_0_conflicts"
    }

    CRM_Core_DAO::executeQuery($sql, $params);
  }

  public static function markConflict($id1, $id2, $cacheKey, $conflicts) {
    if (empty($cacheKey) || empty($conflicts)) {
      return FALSE;
    }

    $sql  = "SELECT pn.*
      FROM  civicrm_prevnext_cache pn
      WHERE
      ((pn.entity_id1 = %1 AND pn.entity_id2 = %2) OR (pn.entity_id1 = %2 AND pn.entity_id2 = %1)) AND
      (cacheKey = %3 OR cacheKey = %4)";
    $params = array(
      1 => array($id1, 'Integer'),
      2 => array($id2, 'Integer'),
      3 => array("{$cacheKey}", 'String'),
      4 => array("{$cacheKey}_conflicts", 'String'),
    );
    $pncFind = CRM_Core_DAO::executeQuery($sql, $params);

    while ($pncFind->fetch()) {
      $data = $pncFind->data;
      if (!empty($data)) {
        $data = unserialize($data);
        $data['conflicts'] = implode(",", array_values($conflicts));

        $pncUp = new CRM_Core_DAO_PrevNextCache();
        $pncUp->id = $pncFind->id;
        if ($pncUp->find(TRUE)) {
          $pncUp->data     = serialize($data);
          $pncUp->cacheKey = "{$cacheKey}_conflicts";
          $pncUp->save();
        }
      }
    }
    return TRUE;
  }

  /**
   * Retrieve from prev-next cache.
   *
   * This function is used from a variety of merge related functions, although
   * it would probably be good to converge on calling CRM_Dedupe_Merger::getDuplicatePairs.
   *
   * We seem to currently be storing stats in this table too & they might make more sense in
   * the main cache table.
   *
   * @param string $cacheKey
   * @param string $join
   * @param string $whereClause
   * @param int $offset
   * @param int $rowCount
   * @param array $select
   * @param string $orderByClause
   * @param bool $includeConflicts
   *   Should we return rows that have already been idenfified as having a conflict.
   *   When this is TRUE you should be careful you do not set up a loop.
   *
   * @return array
   */
  public static function retrieve($cacheKey, $join = NULL, $whereClause = NULL, $offset = 0, $rowCount = 0, $select = array(), $orderByClause = '', $includeConflicts = TRUE, $params = array()) {
    $selectString = 'pn.*';

    if (!empty($select)) {
      $aliasArray = array();
      foreach ($select as $column => $alias) {
        $aliasArray[] = $column . ' as ' . $alias;
      }
      $selectString .= " , " . implode(' , ', $aliasArray);
    }

    $params = array(
      1 => array($cacheKey, 'String'),
    ) + $params;

    if (!empty($whereClause)) {
      $whereClause = " AND " . $whereClause;
    }
    if ($includeConflicts) {
      $where = ' WHERE (pn.cacheKey = %1 OR pn.cacheKey = %2)' . $whereClause;
      $params[2] = array("{$cacheKey}_conflicts", 'String');
    }
    else {
      $where = ' WHERE (pn.cacheKey = %1)' . $whereClause;
    }

    $query = "
SELECT SQL_CALC_FOUND_ROWS {$selectString}
FROM   civicrm_prevnext_cache pn
       {$join}
       $where
       $orderByClause
";

    if ($rowCount) {
      $offset = CRM_Utils_Type::escape($offset, 'Int');
      $rowCount = CRM_Utils_Type::escape($rowCount, 'Int');

      $query .= " LIMIT {$offset}, {$rowCount}";
    }

    $dao = CRM_Core_DAO::executeQuery($query, $params);

    $main  = array();
    $count = 0;
    while ($dao->fetch()) {
      if (self::is_serialized($dao->data)) {
        $main[$count] = unserialize($dao->data);
      }
      else {
        $main[$count] = $dao->data;
      }

      if (!empty($select)) {
        $extraData = array();
        foreach ($select as $dfield => $sfield) {
          $extraData[$sfield]  = $dao->$sfield;
        }
        $main[$count] = array(
          'prevnext_id' => $dao->id,
          'is_selected' => $dao->is_selected,
          'entity_id1'  => $dao->entity_id1,
          'entity_id2'  => $dao->entity_id2,
          'data'        => $main[$count],
        );
        $main[$count] = array_merge($main[$count], $extraData);
      }
      $count++;
    }

    return $main;
  }

  /**
   * @param $string
   *
   * @return bool
   */
  public static function is_serialized($string) {
    return (@unserialize($string) !== FALSE);
  }

  /**
   * @param $values
   */
  public static function setItem($values) {
    $insert = "INSERT INTO civicrm_prevnext_cache ( entity_table, entity_id1, entity_id2, cacheKey, data ) VALUES \n";
    $query = $insert . implode(",\n ", $values);

    //dump the dedupe matches in the prevnext_cache table
    CRM_Core_DAO::executeQuery($query);
  }

  /**
   * @param $cacheKey
   * @param string $join
   * @param string $where
   * @param string $op
   * @param array $params
   *   Extra query params to parse into the query.
   *
   * @return int
   */
  public static function getCount($cacheKey, $join = NULL, $where = NULL, $op = "=", $params = array()) {
    $query = "
SELECT COUNT(*) FROM civicrm_prevnext_cache pn
       {$join}
WHERE (pn.cacheKey $op %1 OR pn.cacheKey $op %2)
";
    if ($where) {
      $query .= " AND {$where}";
    }

    $params = array(
      1 => array($cacheKey, 'String'),
      2 => array("{$cacheKey}_conflicts", 'String'),
    ) + $params;
    return (int) CRM_Core_DAO::singleValueQuery($query, $params, TRUE, FALSE);
  }

  /**
   * Repopulate the cache of merge prospects.
   *
   * @param int $rgid
   * @param int $gid
   * @param NULL $cacheKeyString
   * @param array $criteria
   *   Additional criteria to filter by.
   *
   * @param bool $checkPermissions
   *   Respect logged in user's permissions.
   *
   * @return bool
   * @throws \CRM_Core_Exception
   * @throws \CiviCRM_API3_Exception
   */
  public static function refillCache($rgid, $gid, $cacheKeyString, $criteria, $checkPermissions) {
    if (!$cacheKeyString && $rgid) {
      $cacheKeyString = CRM_Dedupe_Merger::getMergeCacheKeyString($rgid, $gid, $criteria, $checkPermissions);
    }

    if (!$cacheKeyString) {
      return FALSE;
    }

    // 1. Clear cache if any
    $sql = "DELETE FROM civicrm_prevnext_cache WHERE  cacheKey LIKE %1";
    CRM_Core_DAO::executeQuery($sql, array(1 => array("{$cacheKeyString}%", 'String')));

    // FIXME: we need to start using temp tables / queries here instead of arrays.
    // And cleanup code in CRM/Contact/Page/DedupeFind.php

    // 2. FILL cache
    $foundDupes = array();
    if ($rgid && $gid) {
      $foundDupes = CRM_Dedupe_Finder::dupesInGroup($rgid, $gid);
    }
    elseif ($rgid) {
      $contactIDs = array();
      if (!empty($criteria)) {
        $contacts = civicrm_api3('Contact', 'get', array_merge(array('options' => array('limit' => 0), 'return' => 'id'), $criteria['contact']));
        $contactIDs = array_keys($contacts['values']);
      }
      $foundDupes = CRM_Dedupe_Finder::dupes($rgid, $contactIDs, $checkPermissions);
    }

    if (!empty($foundDupes)) {
      CRM_Dedupe_Finder::parseAndStoreDupePairs($foundDupes, $cacheKeyString);
    }
  }

  public static function cleanupCache() {
    // clean up all prev next caches older than $cacheTimeIntervalDays days
    $cacheTimeIntervalDays = 2;

    // first find all the cacheKeys that match this
    $sql = "
DELETE     pn, c
FROM       civicrm_cache c
INNER JOIN civicrm_prevnext_cache pn ON c.path = pn.cacheKey
WHERE      c.group_name = %1
AND        c.created_date < date_sub( NOW( ), INTERVAL %2 day )
";
    $params = array(
      1 => array('CiviCRM Search PrevNextCache', 'String'),
      2 => array($cacheTimeIntervalDays, 'Integer'),
    );
    CRM_Core_DAO::executeQuery($sql, $params);
  }

  /**
   * Save checkbox selections.
   *
   * @param $cacheKey
   * @param string $action
   * @param array $cIds
   * @param string $entity_table
   */
  public static function markSelection($cacheKey, $action = 'unselect', $cIds = NULL, $entity_table = 'civicrm_contact') {
    if (!$cacheKey) {
      return;
    }
    $params = array();

    $entity_whereClause = " AND entity_table = '{$entity_table}'";
    if ($cIds && $cacheKey && $action) {
      if (is_array($cIds)) {
        $cIdFilter = "(" . implode(',', $cIds) . ")";
        $whereClause = "
WHERE cacheKey LIKE %1
AND (entity_id1 IN {$cIdFilter} OR entity_id2 IN {$cIdFilter})
";
      }
      else {
        $whereClause = "
WHERE cacheKey LIKE %1
AND (entity_id1 = %2 OR entity_id2 = %2)
";
        $params[2] = array("{$cIds}", 'Integer');
      }
      if ($action == 'select') {
        $whereClause .= "AND is_selected = 0";
        $sql = "UPDATE civicrm_prevnext_cache SET is_selected = 1 {$whereClause} {$entity_whereClause}";
        $params[1] = array("{$cacheKey}%", 'String');
      }
      elseif ($action == 'unselect') {
        $whereClause .= "AND is_selected = 1";
        $sql = "UPDATE civicrm_prevnext_cache SET is_selected = 0 {$whereClause} {$entity_whereClause}";
        $params[1] = array("%{$cacheKey}%", 'String');
      }
      // default action is reseting
    }
    elseif (!$cIds && $cacheKey && $action == 'unselect') {
      $sql = "
UPDATE civicrm_prevnext_cache
SET    is_selected = 0
WHERE  cacheKey LIKE %1 AND is_selected = 1
       {$entity_whereClause}
";
      $params[1] = array("{$cacheKey}%", 'String');
    }
    CRM_Core_DAO::executeQuery($sql, $params);
  }

  /**
   * Get the selections.
   *
   * @param string $cacheKey
   *   Cache key.
   * @param string $action
   *   Action.
   *  $action : get - get only selection records
   *            getall - get all the records of the specified cache key
   * @param string $entity_table
   *   Entity table.
   *
   * @return array|NULL
   */
  public static function getSelection($cacheKey, $action = 'get', $entity_table = 'civicrm_contact') {
    if (!$cacheKey) {
      return NULL;
    }
    $params = array();

    $entity_whereClause = " AND entity_table = '{$entity_table}'";
    if ($cacheKey && ($action == 'get' || $action == 'getall')) {
      $actionGet = ($action == "get") ? " AND is_selected = 1 " : "";
      $sql = "
SELECT entity_id1, entity_id2 FROM civicrm_prevnext_cache
WHERE cacheKey LIKE %1
      $actionGet
      $entity_whereClause
ORDER BY id
";
      $params[1] = array("{$cacheKey}%", 'String');

      $contactIds = array($cacheKey => array());
      $cIdDao = CRM_Core_DAO::executeQuery($sql, $params);
      while ($cIdDao->fetch()) {
        if ($cIdDao->entity_id1 == $cIdDao->entity_id2) {
          $contactIds[$cacheKey][$cIdDao->entity_id1] = 1;
        }
      }
      return $contactIds;
    }
  }

  /**
   * @return array
   */
  public static function getSelectedContacts() {
    $qfKey = CRM_Utils_Request::retrieve('qfKey', 'String');
    $cacheKey = "civicrm search {$qfKey}";
    $query = "
SELECT *
FROM   civicrm_prevnext_cache
WHERE  cacheKey LIKE %1
  AND  is_selected=1
  AND  cacheKey NOT LIKE %2
";
    $params1[1] = array("{$cacheKey}%", 'String');
    $params1[2] = array("{$cacheKey}_alphabet%", 'String');
    $dao = CRM_Core_DAO::executeQuery($query, $params1);

    $val = array();
    while ($dao->fetch()) {
      $val[] = $dao->data;
    }
    return $val;
  }

  /**
   * @param CRM_Core_Form $form
   * @param array $params
   *
   * @return mixed
   */
  public static function buildSelectedContactPager(&$form, &$params) {
    $params['status'] = ts('Contacts %%StatusMessage%%');
    $params['csvString'] = NULL;
    $params['buttonTop'] = 'PagerTopButton';
    $params['buttonBottom'] = 'PagerBottomButton';
    $params['rowCount'] = $form->get(CRM_Utils_Pager::PAGE_ROWCOUNT);

    if (!$params['rowCount']) {
      $params['rowCount'] = CRM_Utils_Pager::ROWCOUNT;
    }

    $qfKey = CRM_Utils_Request::retrieve('qfKey', 'String', $form);
    $cacheKey = "civicrm search {$qfKey}";

    $query = "
SELECT count(id)
FROM   civicrm_prevnext_cache
WHERE  cacheKey LIKE %1
  AND  is_selected = 1
  AND  cacheKey NOT LIKE %2
";
    $params1[1] = array("{$cacheKey}%", 'String');
    $params1[2] = array("{$cacheKey}_alphabet%", 'String');
    $paramsTotal = CRM_Core_DAO::singleValueQuery($query, $params1);
    $params['total'] = $paramsTotal;
    $form->_pager = new CRM_Utils_Pager($params);
    $form->assign_by_ref('pager', $form->_pager);
    list($offset, $rowCount) = $form->_pager->getOffsetAndRowCount();
    $params['offset'] = $offset;
    $params['rowCount1'] = $rowCount;
    return $params;
  }

  /**
   * Flip 2 contacts in the prevNext cache.
   *
   * @param array $prevNextId
   * @param bool $onlySelected
   *   Only flip those which have been marked as selected.
   */
  public static function flipPair(array $prevNextId, $onlySelected) {
    $dao = new CRM_Core_DAO_PrevNextCache();
    if ($onlySelected) {
      $dao->is_selected = 1;
    }
    foreach ($prevNextId as $id) {
      $dao->id = $id;
      if ($dao->find(TRUE)) {
        $originalData = unserialize($dao->data);
        $srcFields = array('ID', 'Name');
        $swapFields = array('srcID', 'srcName', 'dstID', 'dstName');
        $data = array_diff_assoc($originalData, array_fill_keys($swapFields, 1));
        foreach ($srcFields as $key) {
          $data['src' . $key] = $originalData['dst' . $key];
          $data['dst' . $key] = $originalData['src' . $key];
        }
        $dao->data = serialize($data);
        $dao->entity_id1 = $data['dstID'];
        $dao->entity_id2 = $data['srcID'];
        $dao->save();
      }
    }
  }

}
Commit	Line	Data
6a488035 TO	1	<?php
	2	/*
	3	+--------------------------------------------------------------------+
7e9e8871	4	\| CiviCRM version 4.7 \|
6a488035	5	+--------------------------------------------------------------------+
fa938177	6	\| Copyright CiviCRM LLC (c) 2004-2016 \|
6a488035 TO	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	+--------------------------------------------------------------------+
e70a7fc0	26	*/
6a488035 TO	27
	28	/**
	29	*
	30	* @package CRM
fa938177	31	* @copyright CiviCRM LLC (c) 2004-2016
6a488035 TO	32	* $Id$
	33	*
	34	*/
	35
	36	/**
	37	* BAO object for civicrm_prevnext_cache table
	38	*/
	39	class CRM_Core_BAO_PrevNextCache extends CRM_Core_DAO_PrevNextCache {
	40
b5c2afd0 EM	41	/**
	42	* @param $cacheKey
	43	* @param $id1
	44	* @param $id2
100fef9d	45	* @param int $mergeId
e60f24eb TO	46	* @param NULL $join
e60f24eb TO	47	* @param NULL $where
b5c2afd0 EM	48	* @param bool $flip
	49	*
	50	* @return array
	51	*/
00be9182	52	public static function getPositions($cacheKey, $id1, $id2, &$mergeId = NULL, $join = NULL, $where = NULL, $flip = FALSE) {
6a488035 TO	53	if ($flip) {
	54	list($id1, $id2) = array($id2, $id1);
	55	}
	56
	57	if ($mergeId == NULL) {
	58	$query = "
	59	SELECT id
	60	FROM civicrm_prevnext_cache
	61	WHERE cacheKey = %3 AND
	62	entity_id1 = %1 AND
	63	entity_id2 = %2 AND
	64	entity_table = 'civicrm_contact'
	65	";
	66
6ea503d4 TO	67	$params = array(
	68	1 => array($id1, 'Integer'),
	69	2 => array($id2, 'Integer'),
	70	3 => array($cacheKey, 'String'),
6a488035 TO	71	);
	72
	73	$mergeId = CRM_Core_DAO::singleValueQuery($query, $params);
	74	}
	75
	76	$pos = array('foundEntry' => 0);
	77	if ($mergeId) {
	78	$pos['foundEntry'] = 1;
	79
	80	if ($where) {
	81
	82	$where = " AND {$where}";
	83
	84	}
6ea503d4 TO	85	$p = array(
	86	1 => array($mergeId, 'Integer'),
	87	2 => array($cacheKey, 'String'),
6a488035	88	);
353ffa53	89	$sql = "SELECT pn.id, pn.entity_id1, pn.entity_id2, pn.data FROM civicrm_prevnext_cache pn {$join} ";
6a488035	90	$wherePrev = " WHERE pn.id < %1 AND pn.cacheKey = %2 {$where} ORDER BY ID DESC LIMIT 1";
353ffa53	91	$sqlPrev = $sql . $wherePrev;
6a488035	92
6a488035 TO	93	$dao = CRM_Core_DAO::executeQuery($sqlPrev, $p);
	94	if ($dao->fetch()) {
	95	$pos['prev']['id1'] = $dao->entity_id1;
	96	$pos['prev']['id2'] = $dao->entity_id2;
	97	$pos['prev']['mergeId'] = $dao->id;
	98	$pos['prev']['data'] = $dao->data;
	99	}
	100
	101	$whereNext = " WHERE pn.id > %1 AND pn.cacheKey = %2 {$where} ORDER BY ID ASC LIMIT 1";
	102	$sqlNext = $sql . $whereNext;
	103
	104	$dao = CRM_Core_DAO::executeQuery($sqlNext, $p);
	105	if ($dao->fetch()) {
	106	$pos['next']['id1'] = $dao->entity_id1;
	107	$pos['next']['id2'] = $dao->entity_id2;
	108	$pos['next']['mergeId'] = $dao->id;
	109	$pos['next']['data'] = $dao->data;
	110	}
	111	}
	112	return $pos;
	113	}
	114
b5c2afd0	115	/**
100fef9d	116	* @param int $id
e60f24eb	117	* @param NULL $cacheKey
b5c2afd0 EM	118	* @param string $entityTable
b5c2afd0 EM	119	*/
00be9182	120	public static function deleteItem($id = NULL, $cacheKey = NULL, $entityTable = 'civicrm_contact') {
6a488035 TO	121
	122	//clear cache
	123	$sql = "DELETE FROM civicrm_prevnext_cache WHERE entity_table = %1";
	124	$params = array(1 => array($entityTable, 'String'));
	125
	126	if (is_numeric($id)) {
	127	$sql .= " AND ( entity_id1 = %2 OR entity_id2 = %2 )";
	128	$params[2] = array($id, 'Integer');
	129	}
	130
	131	if (isset($cacheKey)) {
	132	$sql .= " AND cacheKey LIKE %3";
	133	$params[3] = array("{$cacheKey}%", 'String');
	134	}
	135	CRM_Core_DAO::executeQuery($sql, $params);
	136	}
	137
b5c2afd0 EM	138	/**
	139	* @param $id1
	140	* @param $id2
e60f24eb	141	* @param NULL $cacheKey
b5c2afd0 EM	142	* @param bool $isViceVersa
	143	* @param string $entityTable
	144	*/
00be9182	145	public static function deletePair($id1, $id2, $cacheKey = NULL, $isViceVersa = FALSE, $entityTable = 'civicrm_contact') {
6a488035 TO	146	$sql = "DELETE FROM civicrm_prevnext_cache WHERE entity_table = %1";
	147	$params = array(1 => array($entityTable, 'String'));
	148
ae5ffbb7	149	$pair = !$isViceVersa ? "entity_id1 = %2 AND entity_id2 = %3" : "(entity_id1 = %2 AND entity_id2 = %3) OR (entity_id1 = %3 AND entity_id2 = %2)";
6a488035 TO	150	$sql .= " AND ( {$pair} )";
	151	$params[2] = array($id1, 'Integer');
	152	$params[3] = array($id2, 'Integer');
	153
	154	if (isset($cacheKey)) {
	155	$sql .= " AND cacheKey LIKE %4";
63ef778e	156	$params[4] = array("{$cacheKey}%", 'String'); // used % to address any row with conflict-cacheKey e.g "merge Individual_8_0_conflicts"
6a488035 TO	157	}
	158
	159	CRM_Core_DAO::executeQuery($sql, $params);
	160	}
	161
f931b74c	162	public static function markConflict($id1, $id2, $cacheKey, $conflicts) {
63ef778e	163	if (empty($cacheKey) \|\| empty($conflicts)) {
	164	return FALSE;
	165	}
	166
ad37ac8e	167	$sql = "SELECT pn.*
63ef778e	168	FROM civicrm_prevnext_cache pn
ad37ac8e	169	WHERE
ad37ac8e	170	((pn.entity_id1 = %1 AND pn.entity_id2 = %2) OR (pn.entity_id1 = %2 AND pn.entity_id2 = %1)) AND
63ef778e	171	(cacheKey = %3 OR cacheKey = %4)";
	172	$params = array(
	173	1 => array($id1, 'Integer'),
	174	2 => array($id2, 'Integer'),
	175	3 => array("{$cacheKey}", 'String'),
	176	4 => array("{$cacheKey}_conflicts", 'String'),
	177	);
	178	$pncFind = CRM_Core_DAO::executeQuery($sql, $params);
	179
	180	while ($pncFind->fetch()) {
	181	$data = $pncFind->data;
	182	if (!empty($data)) {
	183	$data = unserialize($data);
fd630ef9	184	$data['conflicts'] = implode(",", array_values($conflicts));
63ef778e	185
	186	$pncUp = new CRM_Core_DAO_PrevNextCache();
	187	$pncUp->id = $pncFind->id;
	188	if ($pncUp->find(TRUE)) {
	189	$pncUp->data = serialize($data);
	190	$pncUp->cacheKey = "{$cacheKey}_conflicts";
	191	$pncUp->save();
	192	}
	193	}
	194	}
	195	return TRUE;
	196	}
	197
b5c2afd0	198	/**
ad37ac8e	199	* Retrieve from prev-next cache.
ad37ac8e	200	*
66eceb0b	201	* This function is used from a variety of merge related functions, although
	202	* it would probably be good to converge on calling CRM_Dedupe_Merger::getDuplicatePairs.
	203	*
	204	* We seem to currently be storing stats in this table too & they might make more sense in
	205	* the main cache table.
	206	*
ad37ac8e	207	* @param string $cacheKey
ad37ac8e	208	* @param string $join
66eceb0b	209	* @param string $whereClause
b5c2afd0 EM	210	* @param int $offset
b5c2afd0 EM	211	* @param int $rowCount
66eceb0b	212	* @param array $select
	213	* @param string $orderByClause
	214	* @param bool $includeConflicts
	215	* Should we return rows that have already been idenfified as having a conflict.
	216	* When this is TRUE you should be careful you do not set up a loop.
b5c2afd0 EM	217	*
	218	* @return array
	219	*/
ed92673b	220	public static function retrieve($cacheKey, $join = NULL, $whereClause = NULL, $offset = 0, $rowCount = 0, $select = array(), $orderByClause = '', $includeConflicts = TRUE, $params = array()) {
63ef778e	221	$selectString = 'pn.*';
66eceb0b	222
f931b74c	223	if (!empty($select)) {
63ef778e	224	$aliasArray = array();
63ef778e	225	foreach ($select as $column => $alias) {
f931b74c	226	$aliasArray[] = $column . ' as ' . $alias;
63ef778e	227	}
f931b74c	228	$selectString .= " , " . implode(' , ', $aliasArray);
63ef778e	229	}
66eceb0b	230
63ef778e	231	$params = array(
63ef778e	232	1 => array($cacheKey, 'String'),
ed92673b	233	) + $params;
6a488035	234
66eceb0b	235	if (!empty($whereClause)) {
	236	$whereClause = " AND " . $whereClause;
	237	}
	238	if ($includeConflicts) {
	239	$where = ' WHERE (pn.cacheKey = %1 OR pn.cacheKey = %2)' . $whereClause;
	240	$params[2] = array("{$cacheKey}_conflicts", 'String');
	241	}
	242	else {
	243	$where = ' WHERE (pn.cacheKey = %1)' . $whereClause;
6a488035 TO	244	}
6a488035 TO	245
66eceb0b	246	$query = "
	247	SELECT SQL_CALC_FOUND_ROWS {$selectString}
	248	FROM civicrm_prevnext_cache pn
	249	{$join}
	250	$where
	251	$orderByClause
	252	";
	253
6a488035	254	if ($rowCount) {
bf00d1b6 DL	255	$offset = CRM_Utils_Type::escape($offset, 'Int');
	256	$rowCount = CRM_Utils_Type::escape($rowCount, 'Int');
	257
6a488035 TO	258	$query .= " LIMIT {$offset}, {$rowCount}";
	259	}
	260
	261	$dao = CRM_Core_DAO::executeQuery($query, $params);
	262
63ef778e	263	$main = array();
63ef778e	264	$count = 0;
6a488035 TO	265	while ($dao->fetch()) {
6a488035 TO	266	if (self::is_serialized($dao->data)) {
63ef778e	267	$main[$count] = unserialize($dao->data);
6a488035 TO	268	}
6a488035 TO	269	else {
63ef778e	270	$main[$count] = $dao->data;
6a488035	271	}
63ef778e	272
	273	if (!empty($select)) {
	274	$extraData = array();
	275	foreach ($select as $dfield => $sfield) {
	276	$extraData[$sfield] = $dao->$sfield;
	277	}
	278	$main[$count] = array(
f931b74c	279	'prevnext_id' => $dao->id,
	280	'is_selected' => $dao->is_selected,
	281	'entity_id1' => $dao->entity_id1,
	282	'entity_id2' => $dao->entity_id2,
63ef778e	283	'data' => $main[$count],
	284	);
	285	$main[$count] = array_merge($main[$count], $extraData);
6a488035	286	}
63ef778e	287	$count++;
6a488035 TO	288	}
	289
	290	return $main;
	291	}
	292
b5c2afd0 EM	293	/**
	294	* @param $string
	295	*
	296	* @return bool
	297	*/
6a488035	298	public static function is_serialized($string) {
ab8a593e	299	return (@unserialize($string) !== FALSE);
6a488035 TO	300	}
6a488035 TO	301
b5c2afd0 EM	302	/**
	303	* @param $values
	304	*/
00be9182	305	public static function setItem($values) {
6a488035 TO	306	$insert = "INSERT INTO civicrm_prevnext_cache ( entity_table, entity_id1, entity_id2, cacheKey, data ) VALUES \n";
	307	$query = $insert . implode(",\n ", $values);
	308
	309	//dump the dedupe matches in the prevnext_cache table
	310	CRM_Core_DAO::executeQuery($query);
	311	}
	312
b5c2afd0 EM	313	/**
b5c2afd0 EM	314	* @param $cacheKey
ed92673b	315	* @param string $join
ed92673b	316	* @param string $where
b5c2afd0	317	* @param string $op
ed92673b	318	* @param array $params
ed92673b	319	* Extra query params to parse into the query.
b5c2afd0 EM	320	*
	321	* @return int
	322	*/
ed92673b	323	public static function getCount($cacheKey, $join = NULL, $where = NULL, $op = "=", $params = array()) {
6a488035 TO	324	$query = "
	325	SELECT COUNT(*) FROM civicrm_prevnext_cache pn
	326	{$join}
63ef778e	327	WHERE (pn.cacheKey $op %1 OR pn.cacheKey $op %2)
6a488035 TO	328	";
	329	if ($where) {
	330	$query .= " AND {$where}";
	331	}
	332
63ef778e	333	$params = array(
63ef778e	334	1 => array($cacheKey, 'String'),
f931b74c	335	2 => array("{$cacheKey}_conflicts", 'String'),
ed92673b	336	) + $params;
64951b63	337	return (int) CRM_Core_DAO::singleValueQuery($query, $params, TRUE, FALSE);
6a488035 TO	338	}
6a488035 TO	339
b5c2afd0	340	/**
e23e26ec	341	* Repopulate the cache of merge prospects.
e23e26ec	342	*
100fef9d CW	343	* @param int $rgid
100fef9d CW	344	* @param int $gid
e60f24eb	345	* @param NULL $cacheKeyString
e23e26ec	346	* @param array $criteria
e23e26ec	347	* Additional criteria to filter by.
7a9ab499	348	*
3058f4d9	349	* @param bool $checkPermissions
	350	* Respect logged in user's permissions.
	351	*
7a9ab499	352	* @return bool
3058f4d9	353	* @throws \CRM_Core_Exception
3058f4d9	354	* @throws \CiviCRM_API3_Exception
b5c2afd0	355	*/
3058f4d9	356	public static function refillCache($rgid, $gid, $cacheKeyString, $criteria, $checkPermissions) {
6a488035	357	if (!$cacheKeyString && $rgid) {
3058f4d9	358	$cacheKeyString = CRM_Dedupe_Merger::getMergeCacheKeyString($rgid, $gid, $criteria, $checkPermissions);
6a488035 TO	359	}
	360
	361	if (!$cacheKeyString) {
	362	return FALSE;
	363	}
	364
	365	// 1. Clear cache if any
	366	$sql = "DELETE FROM civicrm_prevnext_cache WHERE cacheKey LIKE %1";
	367	CRM_Core_DAO::executeQuery($sql, array(1 => array("{$cacheKeyString}%", 'String')));
	368
	369	// FIXME: we need to start using temp tables / queries here instead of arrays.
	370	// And cleanup code in CRM/Contact/Page/DedupeFind.php
	371
	372	// 2. FILL cache
	373	$foundDupes = array();
	374	if ($rgid && $gid) {
	375	$foundDupes = CRM_Dedupe_Finder::dupesInGroup($rgid, $gid);
	376	}
	377	elseif ($rgid) {
e23e26ec	378	$contactIDs = array();
	379	if (!empty($criteria)) {
	380	$contacts = civicrm_api3('Contact', 'get', array_merge(array('options' => array('limit' => 0), 'return' => 'id'), $criteria['contact']));
	381	$contactIDs = array_keys($contacts['values']);
	382	}
3058f4d9	383	$foundDupes = CRM_Dedupe_Finder::dupes($rgid, $contactIDs, $checkPermissions);
6a488035 TO	384	}
	385
	386	if (!empty($foundDupes)) {
1719073d	387	CRM_Dedupe_Finder::parseAndStoreDupePairs($foundDupes, $cacheKeyString);
6a488035 TO	388	}
	389	}
	390
00be9182	391	public static function cleanupCache() {
6a488035 TO	392	// clean up all prev next caches older than $cacheTimeIntervalDays days
	393	$cacheTimeIntervalDays = 2;
	394
	395	// first find all the cacheKeys that match this
	396	$sql = "
	397	DELETE pn, c
	398	FROM civicrm_cache c
	399	INNER JOIN civicrm_prevnext_cache pn ON c.path = pn.cacheKey
	400	WHERE c.group_name = %1
	401	AND c.created_date < date_sub( NOW( ), INTERVAL %2 day )
	402	";
	403	$params = array(
	404	1 => array('CiviCRM Search PrevNextCache', 'String'),
	405	2 => array($cacheTimeIntervalDays, 'Integer'),
	406	);
	407	CRM_Core_DAO::executeQuery($sql, $params);
	408	}
	409
b5c2afd0	410	/**
fe482240	411	* Save checkbox selections.
c490a46a	412	*
b5c2afd0 EM	413	* @param $cacheKey
b5c2afd0 EM	414	* @param string $action
c490a46a	415	* @param array $cIds
b5c2afd0 EM	416	* @param string $entity_table
b5c2afd0 EM	417	*/
00be9182	418	public static function markSelection($cacheKey, $action = 'unselect', $cIds = NULL, $entity_table = 'civicrm_contact') {
6a488035 TO	419	if (!$cacheKey) {
	420	return;
	421	}
	422	$params = array();
	423
	424	$entity_whereClause = " AND entity_table = '{$entity_table}'";
	425	if ($cIds && $cacheKey && $action) {
	426	if (is_array($cIds)) {
	427	$cIdFilter = "(" . implode(',', $cIds) . ")";
	428	$whereClause = "
	429	WHERE cacheKey LIKE %1
	430	AND (entity_id1 IN {$cIdFilter} OR entity_id2 IN {$cIdFilter})
	431	";
	432	}
	433	else {
	434	$whereClause = "
	435	WHERE cacheKey LIKE %1
	436	AND (entity_id1 = %2 OR entity_id2 = %2)
	437	";
	438	$params[2] = array("{$cIds}", 'Integer');
	439	}
	440	if ($action == 'select') {
	441	$whereClause .= "AND is_selected = 0";
	442	$sql = "UPDATE civicrm_prevnext_cache SET is_selected = 1 {$whereClause} {$entity_whereClause}";
55488e61	443	$params[1] = array("{$cacheKey}%", 'String');
6a488035 TO	444	}
	445	elseif ($action == 'unselect') {
	446	$whereClause .= "AND is_selected = 1";
	447	$sql = "UPDATE civicrm_prevnext_cache SET is_selected = 0 {$whereClause} {$entity_whereClause}";
	448	$params[1] = array("%{$cacheKey}%", 'String');
	449	}
	450	// default action is reseting
	451	}
	452	elseif (!$cIds && $cacheKey && $action == 'unselect') {
	453	$sql = "
	454	UPDATE civicrm_prevnext_cache
	455	SET is_selected = 0
	456	WHERE cacheKey LIKE %1 AND is_selected = 1
	457	{$entity_whereClause}
	458	";
55488e61	459	$params[1] = array("{$cacheKey}%", 'String');
6a488035 TO	460	}
	461	CRM_Core_DAO::executeQuery($sql, $params);
	462	}
	463
	464	/**
fe482240	465	* Get the selections.
6a488035	466	*
6a0b768e TO	467	* @param string $cacheKey
	468	* Cache key.
	469	* @param string $action
	470	* Action.
6a488035 TO	471	* $action : get - get only selection records
6a488035 TO	472	* getall - get all the records of the specified cache key
6a0b768e TO	473	* @param string $entity_table
6a0b768e TO	474	* Entity table.
77b97be7	475	*
ae5ffbb7	476	* @return array\|NULL
6a488035	477	*/
00be9182	478	public static function getSelection($cacheKey, $action = 'get', $entity_table = 'civicrm_contact') {
6a488035	479	if (!$cacheKey) {
ae5ffbb7	480	return NULL;
6a488035 TO	481	}
	482	$params = array();
	483
	484	$entity_whereClause = " AND entity_table = '{$entity_table}'";
	485	if ($cacheKey && ($action == 'get' \|\| $action == 'getall')) {
	486	$actionGet = ($action == "get") ? " AND is_selected = 1 " : "";
	487	$sql = "
	488	SELECT entity_id1, entity_id2 FROM civicrm_prevnext_cache
	489	WHERE cacheKey LIKE %1
	490	$actionGet
	491	$entity_whereClause
	492	ORDER BY id
	493	";
55488e61	494	$params[1] = array("{$cacheKey}%", 'String');
6a488035 TO	495
	496	$contactIds = array($cacheKey => array());
	497	$cIdDao = CRM_Core_DAO::executeQuery($sql, $params);
	498	while ($cIdDao->fetch()) {
	499	if ($cIdDao->entity_id1 == $cIdDao->entity_id2) {
	500	$contactIds[$cacheKey][$cIdDao->entity_id1] = 1;
	501	}
	502	}
	503	return $contactIds;
	504	}
	505	}
	506
b5c2afd0 EM	507	/**
	508	* @return array
	509	*/
00be9182	510	public static function getSelectedContacts() {
6a488035 TO	511	$qfKey = CRM_Utils_Request::retrieve('qfKey', 'String');
	512	$cacheKey = "civicrm search {$qfKey}";
	513	$query = "
	514	SELECT *
	515	FROM civicrm_prevnext_cache
	516	WHERE cacheKey LIKE %1
	517	AND is_selected=1
	518	AND cacheKey NOT LIKE %2
	519	";
55488e61 DL	520	$params1[1] = array("{$cacheKey}%", 'String');
55488e61 DL	521	$params1[2] = array("{$cacheKey}_alphabet%", 'String');
6a488035 TO	522	$dao = CRM_Core_DAO::executeQuery($query, $params1);
6a488035 TO	523
481a74f4	524	$val = array();
6a488035 TO	525	while ($dao->fetch()) {
	526	$val[] = $dao->data;
	527	}
	528	return $val;
	529	}
	530
b5c2afd0	531	/**
c490a46a CW	532	* @param CRM_Core_Form $form
c490a46a CW	533	* @param array $params
b5c2afd0 EM	534	*
	535	* @return mixed
	536	*/
00be9182	537	public static function buildSelectedContactPager(&$form, &$params) {
6a488035 TO	538	$params['status'] = ts('Contacts %%StatusMessage%%');
	539	$params['csvString'] = NULL;
	540	$params['buttonTop'] = 'PagerTopButton';
	541	$params['buttonBottom'] = 'PagerBottomButton';
c490a46a	542	$params['rowCount'] = $form->get(CRM_Utils_Pager::PAGE_ROWCOUNT);
6a488035 TO	543
	544	if (!$params['rowCount']) {
	545	$params['rowCount'] = CRM_Utils_Pager::ROWCOUNT;
	546	}
	547
353ffa53	548	$qfKey = CRM_Utils_Request::retrieve('qfKey', 'String', $form);
6a488035 TO	549	$cacheKey = "civicrm search {$qfKey}";
	550
	551	$query = "
	552	SELECT count(id)
	553	FROM civicrm_prevnext_cache
	554	WHERE cacheKey LIKE %1
	555	AND is_selected = 1
	556	AND cacheKey NOT LIKE %2
	557	";
55488e61 DL	558	$params1[1] = array("{$cacheKey}%", 'String');
55488e61 DL	559	$params1[2] = array("{$cacheKey}_alphabet%", 'String');
c490a46a	560	$paramsTotal = CRM_Core_DAO::singleValueQuery($query, $params1);
6a488035	561	$params['total'] = $paramsTotal;
c490a46a CW	562	$form->_pager = new CRM_Utils_Pager($params);
	563	$form->assign_by_ref('pager', $form->_pager);
	564	list($offset, $rowCount) = $form->_pager->getOffsetAndRowCount();
6a488035 TO	565	$params['offset'] = $offset;
	566	$params['rowCount1'] = $rowCount;
	567	return $params;
	568	}
96025800	569
808c05a9	570	/**
	571	* Flip 2 contacts in the prevNext cache.
	572	*
	573	* @param array $prevNextId
	574	* @param bool $onlySelected
	575	* Only flip those which have been marked as selected.
	576	*/
	577	public static function flipPair(array $prevNextId, $onlySelected) {
	578	$dao = new CRM_Core_DAO_PrevNextCache();
	579	if ($onlySelected) {
	580	$dao->is_selected = 1;
	581	}
	582	foreach ($prevNextId as $id) {
	583	$dao->id = $id;
	584	if ($dao->find(TRUE)) {
	585	$originalData = unserialize($dao->data);
	586	$srcFields = array('ID', 'Name');
	587	$swapFields = array('srcID', 'srcName', 'dstID', 'dstName');
	588	$data = array_diff_assoc($originalData, array_fill_keys($swapFields, 1));
	589	foreach ($srcFields as $key) {
	590	$data['src' . $key] = $originalData['dst' . $key];
	591	$data['dst' . $key] = $originalData['src' . $key];
	592	}
	593	$dao->data = serialize($data);
e67dcaf8	594	$dao->entity_id1 = $data['dstID'];
e67dcaf8	595	$dao->entity_id2 = $data['srcID'];
808c05a9	596	$dao->save();
	597	}
	598	}
	599	}
	600
6a488035	601	}