/**
  * @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;
 }
Exemplo n.º 2
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 $key;
                 }
                 break;
         }
     }
     return FALSE;
 }
Exemplo n.º 3
0
 /**
  * Converts a path consisting of object titles into a path consisting of tree
  * nodes. The comparison is non-case sensitive.
  *
  * Note: this function returns the same result as getNodePath, 
  * but takes a title path as parameter.
  *
  * @access	public
  * @param	Array	Path array with object titles.
  *                       e.g. array('ILIAS','English','Course A')
  * @param	ref_id	Startnode of the relative path. 
  *                       Specify null, if the title path is an absolute path.
  *                       Specify a ref id, if the title path is a relative 
  *                       path starting at this ref id.
  * @return	array	ordered path info (depth,parent,child,obj_id,type,title)
  *               or null, if the title path can not be converted into a node path.
  */
 function getNodePathForTitlePath($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 $result;
 }
Exemplo n.º 6
0
 /**
  * 
  * Called by class ilMailFormGUI
  * 
  * @param	string		search string surrounded with wildcards
  * @param	string		native search string
  * @return	stdClass	search result as an object of type stdClass
  * @access	public
  * 
  */
 public function getRecipientAsync($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;
 }