/**
* @return bool
*/
public function valid()
{
$this->data = $this->db->fetchAssoc($this->res);
if (is_array($this->data) && (strpos($this->data['login'], ',') !== false || strpos($this->data['login'], ';') !== false)) {
$parts = array_filter(array_map('trim', preg_split("/[ ]*[;,][ ]*/", trim($this->data['login']))));
foreach ($parts as $part) {
if (ilStr::strPos(ilStr::strToLower($part), ilStr::strToLower($this->term)) !== false) {
$this->users_stack[] = $part;
}
}
if ($this->users_stack) {
$this->data = null;
}
}
return is_array($this->data) || count($this->users_stack) > 0;
}
/**
* Returns the index of the found answer, if the given answer is in the
* set of correct answers and matchess
* the matching options, otherwise FALSE is returned
*
* @param array $answers An array containing the correct answers
* @param string $answer The text of the given answer
* @return mixed The index of the correct answer, FALSE otherwise
* @access public
*/
function isAnswerCorrect($answers, $answer)
{
include_once "./Services/Utilities/classes/class.ilStr.php";
$result = 0;
$textrating = $this->getTextRating();
foreach ($answers as $key => $value) {
switch ($textrating) {
case TEXTGAP_RATING_CASEINSENSITIVE:
if (strcmp(ilStr::strToLower($value), ilStr::strToLower($answer)) == 0 && $this->answers[$key]->getPoints() > 0) {
return $key;
}
break;
case TEXTGAP_RATING_CASESENSITIVE:
if (strcmp($value, $answer) == 0 && $this->answers[$key]->getPoints() > 0) {
return $key;
}
break;
case TEXTGAP_RATING_LEVENSHTEIN1:
if (levenshtein($value, $answer) <= 1 && $this->answers[$key]->getPoints() > 0) {
return $key;
}
break;
case TEXTGAP_RATING_LEVENSHTEIN2:
if (levenshtein($value, $answer) <= 2 && $this->answers[$key]->getPoints() > 0) {
return $key;
}
break;
case TEXTGAP_RATING_LEVENSHTEIN3:
if (levenshtein($value, $answer) <= 3 && $this->answers[$key]->getPoints() > 0) {
return $key;
}
break;
case TEXTGAP_RATING_LEVENSHTEIN4:
if (levenshtein($value, $answer) <= 4 && $this->answers[$key]->getPoints() > 0) {
return $key;
}
break;
case TEXTGAP_RATING_LEVENSHTEIN5:
if (levenshtein($value, $answer) <= 5 && $this->answers[$key]->getPoints() > 0) {
return $key;
}
break;
}
}
return FALSE;
}
/**
* Converts a path consisting of object titles into a path consisting of tree
* nodes. The comparison is non-case sensitive.
*
* Note: this function returns the same result as getNodePath,
* but takes a title path as parameter.
*
* @access public
* @param Array Path array with object titles.
* e.g. array('ILIAS','English','Course A')
* @param ref_id Startnode of the relative path.
* Specify null, if the title path is an absolute path.
* Specify a ref id, if the title path is a relative
* path starting at this ref id.
* @return array ordered path info (depth,parent,child,obj_id,type,title)
* or null, if the title path can not be converted into a node path.
*/
function getNodePathForTitlePath($titlePath, $a_startnode_id = null)
{
global $ilDB, $log;
//$log->write('getNodePathForTitlePath('.implode('/',$titlePath));
// handle empty title path
if ($titlePath == null || count($titlePath) == 0) {
if ($a_startnode_id == 0) {
return null;
} else {
return $this->getNodePath($a_startnode_id);
}
}
// fetch the node path up to the startnode
if ($a_startnode_id != null && $a_startnode_id != 0) {
// Start using the node path to the root of the relative path
$nodePath = $this->getNodePath($a_startnode_id);
$parent = $a_startnode_id;
} else {
// Start using the root of the tree
$nodePath = array();
$parent = 0;
}
// Convert title path into Unicode Normal Form C
// This is needed to ensure that we can compare title path strings with
// strings from the database.
require_once 'include/Unicode/UtfNormal.php';
include_once './Services/Utilities/classes/class.ilStr.php';
$inClause = 'd.title IN (';
for ($i = 0; $i < count($titlePath); $i++) {
$titlePath[$i] = ilStr::strToLower(UtfNormal::toNFC($titlePath[$i]));
if ($i > 0) {
$inClause .= ',';
}
$inClause .= $ilDB->quote($titlePath[$i], 'text');
}
$inClause .= ')';
// Fetch all rows that are potential path elements
if ($this->table_obj_reference) {
$joinClause = 'JOIN ' . $this->table_obj_reference . ' r ON t.child = r.' . $this->ref_pk . ' ' . 'JOIN ' . $this->table_obj_data . ' d ON r.' . $this->obj_pk . ' = d.' . $this->obj_pk;
} else {
$joinClause = 'JOIN ' . $this->table_obj_data . ' d ON t.child = d.' . $this->obj_pk;
}
// The ORDER BY clause in the following SQL statement ensures that,
// in case of a multiple objects with the same title, always the Object
// with the oldest ref_id is chosen.
// This ensure, that, if a new object with the same title is added,
// WebDAV clients can still work with the older object.
$q = 'SELECT t.depth, t.parent, t.child, d.' . $this->obj_pk . ' obj_id, d.type, d.title ' . 'FROM ' . $this->table_tree . ' t ' . $joinClause . ' ' . 'WHERE ' . $inClause . ' ' . 'AND t.depth <= ' . (count($titlePath) + count($nodePath)) . ' ' . 'AND t.tree = 1 ' . 'ORDER BY t.depth, t.child ASC';
$r = $ilDB->query($q);
$rows = array();
while ($row = $r->fetchRow(DB_FETCHMODE_ASSOC)) {
$row['title'] = UtfNormal::toNFC($row['title']);
$row['ref_id'] = $row['child'];
$rows[] = $row;
}
// Extract the path elements from the fetched rows
for ($i = 0; $i < count($titlePath); $i++) {
$pathElementFound = false;
foreach ($rows as $row) {
if ($row['parent'] == $parent && ilStr::strToLower($row['title']) == $titlePath[$i]) {
// FIXME - We should test here, if the user has
// 'visible' permission for the object.
$nodePath[] = $row;
$parent = $row['child'];
$pathElementFound = true;
break;
}
}
// Abort if we haven't found a path element for the current depth
if (!$pathElementFound) {
//$log->write('ilTree.getNodePathForTitlePath('.var_export($titlePath,true).','.$a_startnode_id.'):null');
return null;
}
}
// Return the node path
//$log->write('ilTree.getNodePathForTitlePath('.var_export($titlePath,true).','.$a_startnode_id.'):'.var_export($nodePath,true));
return $nodePath;
}
/**
* Returns the points for a text gap and compares the given solution with
* the entered solution using the text gap rating options.
*
* @param string $a_original The original (correct) text
* @param string $a_entered The text entered by the user
* @param integer $max_points The maximum number of points for the solution
* @access public
*/
function getTextgapPoints($a_original, $a_entered, $max_points)
{
include_once "./Services/Utilities/classes/class.ilStr.php";
$result = 0;
$gaprating = $this->getTextgapRating();
switch ($gaprating) {
case TEXTGAP_RATING_CASEINSENSITIVE:
if (strcmp(ilStr::strToLower($a_original), ilStr::strToLower($a_entered)) == 0) {
$result = $max_points;
}
break;
case TEXTGAP_RATING_CASESENSITIVE:
if (strcmp($a_original, $a_entered) == 0) {
$result = $max_points;
}
break;
case TEXTGAP_RATING_LEVENSHTEIN1:
if (levenshtein($a_original, $a_entered) <= 1) {
$result = $max_points;
}
break;
case TEXTGAP_RATING_LEVENSHTEIN2:
if (levenshtein($a_original, $a_entered) <= 2) {
$result = $max_points;
}
break;
case TEXTGAP_RATING_LEVENSHTEIN3:
if (levenshtein($a_original, $a_entered) <= 3) {
$result = $max_points;
}
break;
case TEXTGAP_RATING_LEVENSHTEIN4:
if (levenshtein($a_original, $a_entered) <= 4) {
$result = $max_points;
}
break;
case TEXTGAP_RATING_LEVENSHTEIN5:
if (levenshtein($a_original, $a_entered) <= 5) {
$result = $max_points;
}
break;
}
return $result;
}
/**
* Checks if one of the keywords matches the answertext
*
* @param string $answertext The answertext of the user
* @param string $a_keyword The keyword which should be checked
* @return boolean TRUE if the keyword matches, FALSE otherwise
* @access private
*/
function isKeywordMatching($answertext, $a_keyword)
{
$result = FALSE;
$textrating = $this->getTextRating();
include_once "./Services/Utilities/classes/class.ilStr.php";
switch ($textrating) {
case TEXTGAP_RATING_CASEINSENSITIVE:
if (ilStr::strPos(ilStr::strToLower($answertext), ilStr::strToLower($a_keyword)) !== false) {
return TRUE;
}
break;
case TEXTGAP_RATING_CASESENSITIVE:
if (ilStr::strPos($answertext, $a_keyword) !== false) {
return TRUE;
}
break;
}
$answerwords = array();
if (preg_match_all("/([^\\s.]+)/", $answertext, $matches)) {
foreach ($matches[1] as $answerword) {
array_push($answerwords, trim($answerword));
}
}
foreach ($answerwords as $a_original) {
switch ($textrating) {
case TEXTGAP_RATING_LEVENSHTEIN1:
if (levenshtein($a_original, $a_keyword) <= 1) {
return TRUE;
}
break;
case TEXTGAP_RATING_LEVENSHTEIN2:
if (levenshtein($a_original, $a_keyword) <= 2) {
return TRUE;
}
break;
case TEXTGAP_RATING_LEVENSHTEIN3:
if (levenshtein($a_original, $a_keyword) <= 3) {
return TRUE;
}
break;
case TEXTGAP_RATING_LEVENSHTEIN4:
if (levenshtein($a_original, $a_keyword) <= 4) {
return TRUE;
}
break;
case TEXTGAP_RATING_LEVENSHTEIN5:
if (levenshtein($a_original, $a_keyword) <= 5) {
return TRUE;
}
break;
}
}
return $result;
}
/**
*
* Called by class ilMailFormGUI
*
* @param string search string surrounded with wildcards
* @param string native search string
* @return stdClass search result as an object of type stdClass
* @access public
*
*/
public function getRecipientAsync($a_search, $a_native_search)
{
global $ilDB;
$query = "SELECT DISTINCT\n\t\t\t\tabook.login login,\n\t\t\t\tabook.firstname firstname,\n\t\t\t\tabook.lastname lastname,\n\t\t\t\t'addressbook' type\n\t\t\tFROM addressbook abook\n\t\t\tWHERE abook.user_id = " . $ilDB->quote($this->user_id, 'integer') . "\n\t\t\tAND abook.login IS NOT NULL\n\t\t\tAND (" . $ilDB->like('abook.login', 'text', $a_search) . "\n\t\t\t\t\tOR " . $ilDB->like('abook.firstname', 'text', $a_search) . "\n\t\t\t\t\tOR " . $ilDB->like('abook.lastname', 'text', $a_search) . "\n\t\t\t)";
$union_query_1 = "SELECT DISTINCT\n\t\t\t\tabook.email login,\n\t\t\t\tabook.firstname firstname,\n\t\t\t\tabook.lastname lastname,\n\t\t\t\t'addressbook' type\n\t\t\tFROM addressbook abook\n\t\t\tWHERE abook.user_id = " . $ilDB->quote($this->user_id, 'integer') . "\n\t\t\tAND abook.login IS NULL\n\t\t\tAND (" . $ilDB->like('abook.email', 'text', $a_search) . "\n\t\t\t\t\tOR " . $ilDB->like('abook.firstname', 'text', $a_search) . "\n\t\t\t\t\tOR " . $ilDB->like('abook.lastname', 'text', $a_search) . "\n\t\t\t)";
$union_query_2 = "SELECT DISTINCT\n\t\t\t\tmail.rcp_to login,\n\t\t\t\t'' firstname,\n\t\t\t\t'' lastname,\n\t\t\t\t'mail' type\n\t\t\tFROM mail\n\t\t\tWHERE " . $ilDB->like('mail.rcp_to', 'text', $a_search) . "\n\t\t\tAND sender_id = " . $ilDB->quote($this->user_id, 'integer') . "\n\t\t\tAND mail.sender_id = mail.user_id";
$queries = array('addressbook_1' => $query, 'mail' => $union_query_2);
if ($this->allow_smtp == 1) {
$queries['addressbook_2'] = $union_query_1;
}
include_once 'Services/Utilities/classes/class.ilStr.php';
try {
// MySql: Join the array values for mysql to one select statement
if ($ilDB->getDbType() != 'oracle') {
$queries['all'] = implode(' UNION ', $queries);
}
foreach ($queries as $type => $query) {
// Oracle: Distincts do no work with clobs
if ('mail' == $type && $ilDB->getDbType() == 'oracle') {
$query = str_replace('DISTINCT', '', $query);
}
$ilDB->setLimit(0, 20);
$query_res = $ilDB->query($query);
while ($row = $ilDB->fetchObject($query_res)) {
if ($row->type == 'mail') {
if (strpos($row->login, ',') || strpos($row->login, ';')) {
$parts = preg_split("/[ ]*[;,][ ]*/", trim($row->login));
foreach ($parts as $part) {
if (ilStr::strPos(ilStr::strToLower($part), ilStr::strToLower($a_native_search)) !== false) {
$this->addResult($part, '', '', 'mail');
}
}
} else {
$this->addResult($row->login, '', '', 'mail');
}
} else {
$this->addResult($row->login, $row->firstname, $row->lastname, 'addressbook');
}
}
}
} catch (ilException $e) {
}
return $this->result;
}