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add better document link handling

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add new method getReverseDocumentLinks() which returns links with a
given target document. Add optional parameters $publiconly and $user
for filtering links when executing the sql statement
This commit is contained in:
Uwe Steinmann 2014-03-18 07:03:40 +01:00
parent bbd1fd6445
commit 59663b4bf5
1 changed files with 63 additions and 3 deletions
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66
SeedDMS_Core/Core/inc.ClassDocument.php
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@ -1433,17 +1433,30 @@ class SeedDMS_Core_Document extends SeedDMS_Core_Object { /* {{{ */
/**
* Return all document links
*
* The list contains all links to other documents, even those which
* may not be visible certain users. The application should call
* The list may contain all links to other documents, even those which
* may not be visible by certain users, unless you pass appropriate
* parameters to filter out public links and those created by
* the given user. The application may call
* SeedDMS_Core_DMS::filterDocumentLinks() afterwards.
*
* @param boolean $publiconly return on publically visible links
* @param object $user return also private links of this user
* @return array list of objects of class SeedDMS_Core_DocumentLink
*/
function getDocumentLinks() { /* {{{ */
function getDocumentLinks($publiconly=false, $user=null) { /* {{{ */
if (!isset($this->_documentLinks)) {
$db = $this->_dms->getDB();
$queryStr = "SELECT * FROM tblDocumentLinks WHERE document = " . $this->_id;
$tmp = array();
if($publiconly)
$tmp[] = "public=1";
if($user)
$tmp[] = "userID=".$user->getID();
if($tmp) {
$queryStr .= " AND (".implode(" OR ", $tmp).")";
}
$resArr = $db->getResultArray($queryStr);
if (is_bool($resArr) && !$resArr)
return false;
@ -1457,6 +1470,50 @@ class SeedDMS_Core_Document extends SeedDMS_Core_Object { /* {{{ */
return $this->_documentLinks;
} /* }}} */
/**
* Return all document having a link on this document
*
* The list contains all documents which have a link to the current
* document. The list contains even those documents which
* may not be accessible by the user, unless you pass appropriate
* parameters to filter out public links and those created by
* the given user.
* This functions is basically the reverse of
* SeedDMS_Core_Document::getDocumentLinks()
*
* The application may call
* SeedDMS_Core_DMS::filterDocumentLinks() afterwards.
*
* @param boolean $publiconly return on publically visible links
* @param object $user return also private links of this user
* @return array list of objects of class SeedDMS_Core_DocumentLink
*/
function getReverseDocumentLinks($publiconly=false, $user=null) { /* {{{ */
$db = $this->_dms->getDB();
$queryStr = "SELECT * FROM tblDocumentLinks WHERE target = " . $this->_id;
$tmp = array();
if($publiconly)
$tmp[] = "public=1";
if($user)
$tmp[] = "userID=".$user->getID();
if($tmp) {
$queryStr .= " AND (".implode(" OR ", $tmp).")";
}
$resArr = $db->getResultArray($queryStr);
if (is_bool($resArr) && !$resArr)
return false;
$links = array();
foreach ($resArr as $row) {
$document = $this->_dms->getDocument($row["document"]);
array_push($links, new SeedDMS_Core_DocumentLink($row["id"], $document, $this, $row["userID"], $row["public"]));
}
return $links;
} /* }}} */
function addDocumentLink($targetID, $userID, $public) { /* {{{ */
$db = $this->_dms->getDB();
@ -1672,6 +1729,9 @@ class SeedDMS_Core_Document extends SeedDMS_Core_Object { /* {{{ */
/**
* Get List of users and groups which have read access on the document
* The list will not include any guest users,
* administrators and the owner of the folder unless $listadmin resp.
* $listowner is set to true.
*
* This function is deprecated. Use
* {@see SeedDMS_Core_Document::getReadAccessList()} instead.