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getInstance() returns null if document was not found in db

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This commit is contained in:
Uwe Steinmann 2017-12-22 13:00:51 +01:00
parent b565484e05
commit 81536cb2fe
1 changed files with 63 additions and 1 deletions
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64
SeedDMS_Core/Core/inc.ClassDocument.php
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@ -247,6 +247,13 @@ class SeedDMS_Core_Document extends SeedDMS_Core_Object { /* {{{ */
return $searchFields;
} /* }}} */
/**
* Return an document by its id
*
* @param integer $id id of document
* @return object/boolean instance of SeedDMS_Core_Document if document exists, null
* if document does not exist, false in case of error
*/
public static function getInstance($id, $dms) { /* {{{ */
$db = $dms->getDB();
@ -255,7 +262,7 @@ class SeedDMS_Core_Document extends SeedDMS_Core_Object { /* {{{ */
if (is_bool($resArr) && $resArr == false)
return false;
if (count($resArr) != 1)
return false;
return null;
$resArr = $resArr[0];
// New Locking mechanism uses a separate table to track the lock.
@ -403,6 +410,61 @@ class SeedDMS_Core_Document extends SeedDMS_Core_Object { /* {{{ */
return true;
} /* }}} */
/**
* Add a list of categories to the document
* This function will add a list of new categories to the document.
*
* @param array $newCategories list of category objects
*/
function addCategories($newCategories) { /* {{{ */
$db = $this->_dms->getDB();
if(!$this->_categories)
self::getCategories();
$catids = array();
foreach($this->_categories as $cat)
$catids[] = $cat->getID();
$db->startTransaction();
$ncat = array(); // Array containing actually added new categories
foreach($newCategories as $cat) {
if(!in_array($cat->getID(), $catids)) {
$queryStr = "INSERT INTO `tblDocumentCategory` (`categoryID`, `documentID`) VALUES (". $cat->getId() .", ". $this->_id .")";
if (!$db->getResult($queryStr)) {
$db->rollbackTransaction();
return false;
}
$ncat[] = $cat;
}
}
$db->commitTransaction();
$this->_categories = array_merge($this->_categories, $ncat);
return true;
} /* }}} */
/**
* Remove a list of categories from the document
* This function will remove a list of assigned categories to the document.
*
* @param array $newCategories list of category objects
*/
function removeCategories($categories) { /* {{{ */
$db = $this->_dms->getDB();
$catids = array();
foreach($categories as $cat)
$catids[] = $cat->getID();
$queryStr = "DELETE from `tblDocumentCategory` WHERE `documentID` = ". $this->_id ." AND `categoryID` IN (".implode(',', $catids).")";
if (!$db->getResult($queryStr)) {
return false;
}
$this->_categories = null;
return true;
} /* }}} */
/**
* Return creation date of the document
*