Collaboration diagram for ilSearch:

Public Member Functions
	__construct ($a_user_id=0, $a_read=false)
	Constructor @access public. More...

	setSearchString ($a_search_str)

	setCombination ($a_combination)

	setSearchFor ($a_search_for)

	setSearchIn ($a_search_in)

	setResult ($a_result)

	setSearchType ($a_type)

	setPerformUpdate ($a_value)

	setEmptySearch ($a_value)

	setMinWordLength ($a_min_word_length)

	getMinWordLength ()

	getUserId ()

	getSearchString ()

	getCombination ()

	getSearchFor ()

	getSearchIn ()

	getSearchInByType ($a_type)

	getResults ()

	getResultByType ($a_type)

	getSearchType ()

	getPerformUpdate ()

	getEmptySearch ()

	getNumberOfResults ()

	validate (&$message)

	performSearch ()

	__parseSearchString ()

	__updateDBResult ()

	__readDBResult ()

	__checkAccess ($a_results, $a_type)

	__validateResults ()

	__prepareWord ($a_word)

Data Fields
	$ilias

	$lng

	$rbacsystem

	$user_id

	$search_string

	$parsed_str

	$combination

	$min_word_length = 3

	$search_for

	$search_in

	$search_type

	$result

	$perform_update

	$read_db_result

	$allow_empty_search

Protected Member Functions
	performUserSearch ()
	perform a search for users More...

	performObjectSearch ($a_type)
	perform object search More...

	performRoleSearch ()

	initQueryParser ()
	init query parser More...

Protected Attributes
	$qp = null

Detailed Description

search

Author: Stefan Meyer meyer.nosp@m.@lei.nosp@m.fos.c.nosp@m.om

Version: Id$

Definition at line 14 of file class.ilSearch.php.

Constructor & Destructor Documentation

◆ __construct()

ilSearch::__construct	(	$a_user_id = `0`,
		$a_read = `false`
	)

Constructor @access public.

Definition at line 43 of file class.ilSearch.php.

    {
        global $DIC;
 
        $ilias = $DIC['ilias'];
        $rbacsystem = $DIC['rbacsystem'];
        $lng = $DIC['lng'];
        
        // Initiate variables
        $this->ilias = &$ilias;
        $this->lng = &$lng;
        $this->lng->loadLanguageModule("search");
        $this->rbacsystem = &$rbacsystem;
        $this->user_id = $a_user_id;
 
        $this->setPerformUpdate(true);
        $this->setEmptySearch(false);
        $this->read_db_result = $a_read;
 
        // READ OLD SEARCH RESULTS FROM DATABASE
        #$this->__readDBResult();
    }

References $DIC, $ilias, $lng, $rbacsystem, setEmptySearch(), and setPerformUpdate().

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Member Function Documentation

◆ __checkAccess()

ilSearch::__checkAccess	(	$a_results,
		$a_type
	)

Definition at line 340 of file class.ilSearch.php.

    {
        global $DIC;
 
        $ilAccess = $DIC['ilAccess'];
        
        if (is_array($a_results)) {
            foreach ($a_results as $result) {
                if ($ilAccess->checkAccess('read', '', $result['id'])) {
                    $checked_result[] = $result;
                    break;
                }
            }
        }
        return $checked_result ? $checked_result : array();
    }

References $DIC, and $result.

Referenced by __validateResults().

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◆ __parseSearchString()

ilSearch::__parseSearchString ( )

Definition at line 242 of file class.ilSearch.php.

    {
        $tmp_arr = explode(" ", $this->getSearchString());
        $this->parsed_str["and"] = $this->parsed_str["or"] = $this->parsed_str["not"] = array();
        
        foreach ($tmp_arr as $word) {
            #$word = trim($word);
            $word = $this->__prepareWord($word);
            if ($word) {
                if (substr($word, 0, 1) == '+') {
                    $this->parsed_str["all"][] = substr($word, 1);
                    $this->parsed_str["and"][] = substr($word, 1);
                    continue;
                }
 
                if (substr($word, 0, 1) == '-') {
                    // better parsed_str["allmost_all"] ;-)
                    #$this->parsed_str["all"][] = substr($word,1);
                    $this->parsed_str["not"][] = substr($word, 1);
                    continue;
                }
 
                if ($this->getCombination() == 'and') {
                    $this->parsed_str["all"][] = $word;
                    $this->parsed_str["and"][] = $word;
                    continue;
                }
 
                if ($this->getCombination() == 'or') {
                    $this->parsed_str["all"][] = $word;
                    $this->parsed_str["or"][] = $word;
                    continue;
                }
            }
        }
    }

References __prepareWord(), getCombination(), and getSearchString().

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◆ __prepareWord()

ilSearch::__prepareWord ( $a_word )

Definition at line 428 of file class.ilSearch.php.

    {
        $word = trim($a_word);
        
        if (!preg_match('/\*/', $word)) {
            return '%' . $word . '%';
        }
        if (preg_match('/^\*/', $word)) {
            return str_replace('*', '%', $word);
        } else {
            return '% ' . str_replace('*', '%', $word);
        }
    }

Referenced by __parseSearchString().

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◆ __readDBResult()

ilSearch::__readDBResult ( )

Definition at line 306 of file class.ilSearch.php.

    {
        global $DIC;
 
        $ilDB = $DIC['ilDB'];
        
        if ($this->getUserId() != 0 and $this->getUserId() != ANONYMOUS_USER_ID and $this->read_db_result) {
            $query = "SELECT search_result FROM usr_search " .
                "WHERE usr_id = " . $ilDB->quote($this->getUserId(), 'integer');
            
 
            $res = $ilDB->query($query);
            if ($res->numRows()) {
                $row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT);
                $this->setResult(unserialize(stripslashes($row->search_result)));
            } else {
                $this->setResult(array("usr" => array(),
                                       "grp" => array(),
                                       "lm" => array(),
                                       "dbk" => array()));
            }
        } else {
            $this->setResult(array("usr" => array(),
                                   "grp" => array(),
                                   "lm" => array(),
                                   "dbk" => array()));
        }
 
        $this->__validateResults();
        $this->__updateDBResult();
        return true;
    }

References $DIC, $ilDB, $query, $res, __updateDBResult(), __validateResults(), ilDBConstants\FETCHMODE_OBJECT, getUserId(), and setResult().

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◆ __updateDBResult()

ilSearch::__updateDBResult ( )

Definition at line 279 of file class.ilSearch.php.

    {
        global $DIC;
 
        $ilDB = $DIC['ilDB'];
        
        if ($this->getUserId() != 0 and $this->getUserId() != ANONYMOUS_USER_ID) {
            $ilDB->manipulate("DELETE FROM usr_search " .
                "WHERE usr_id = " . $ilDB->quote($this->getUserId(), 'integer') . " " .
                "AND search_type = 0 ");
 
            $ilDB->insert('usr_search', array(
                'usr_id' => array('integer',$this->getUserId()),
                'search_result' => array('clob',serialize($this->getResults())),
                'checked' => array('clob',serialize(array())),
                'failed' => array('clob',serialize(array())),
                'page' => array('integer',0),
                'search_type' => array('integer',0),
                'query' => array('text',''),
                'root' => array('integer',ROOT_FOLDER_ID)));
 
            return true;
        }
 
        return false;
    }

References $DIC, $ilDB, getResults(), and getUserId().

Referenced by __readDBResult(), and performSearch().

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◆ __validateResults()

ilSearch::__validateResults ( )

Definition at line 358 of file class.ilSearch.php.

    {
        global $DIC;
 
        $tree = $DIC['tree'];
 
        $new_result = array();
 
 
        // check lm meta
 
        $this->result['lm']['meta'] = $this->__checkAccess($this->result['lm']['meta'], 'lm');
        if (is_array($this->result['lm']['meta'])) {
            foreach ($this->result['lm']['meta'] as $data) {
                if ($tree->isInTree($data['id'])) {
                    $new_result['lm']['meta'][] = $data;
                }
            }
        }
        $this->result['lm']['content'] = $this->__checkAccess($this->result['lm']['content'], 'lm');
        if (is_array($this->result['lm']['content'])) {
            foreach ($this->result['lm']['content'] as $data) {
                if ($tree->isInTree($data['id'])) {
                    $new_result['lm']['content'][] = $data;
                }
            }
        }
        $this->result['dbk']['meta'] = $this->__checkAccess($this->result['dbk']['meta'], 'dbk');
        if (is_array($this->result['dbk']['meta'])) {
            foreach ($this->result['dbk']['meta'] as $data) {
                if ($tree->isInTree($data['id'])) {
                    $new_result['dbk']['meta'][] = $data;
                }
            }
        }
        $this->result['dbk']['content'] = $this->__checkAccess($this->result['dbk']['content'], 'dbk');
        if (is_array($this->result['dbk']['content'])) {
            foreach ($this->result['dbk']['content'] as $data) {
                if ($tree->isInTree($data['id'])) {
                    $new_result['dbk']['content'][] = $data;
                }
            }
        }
        $this->result['grp'] = $this->__checkAccess($this->result['grp'], 'grp');
        if (is_array($this->result['grp'])) {
            foreach ($this->result['grp'] as $data) {
                if ($tree->isInTree($data['id'])) {
                    $new_result['grp'][] = $data;
                }
            }
        }
        if (is_array($this->result['usr'])) {
            foreach ($this->result['usr'] as $user) {
                if ($tmp_obj = &ilObjectFactory::getInstanceByObjId($user['id'], false)) {
                    $new_result['usr'][] = $user;
                }
            }
        }
        if (is_array($this->result['role'])) {
            foreach ($this->result['role'] as $user) {
                if ($tmp_obj = &ilObjectFactory::getInstanceByObjId($user['id'], false)) {
                    $new_result['role'][] = $user;
                }
            }
        }
        $this->setResult($new_result);
 
        return true;
    }

References $data, $DIC, __checkAccess(), ilObjectFactory\getInstanceByObjId(), and setResult().

Referenced by __readDBResult(), and performSearch().

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◆ getCombination()

ilSearch::getCombination ( )

Definition at line 119 of file class.ilSearch.php.

    {
        return $this->combination ? $this->combination : "or";
    }

Referenced by __parseSearchString(), initQueryParser(), and performObjectSearch().

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◆ getEmptySearch()

ilSearch::getEmptySearch ( )

Definition at line 155 of file class.ilSearch.php.

    {
        return $this->allow_empty_search;
    }

References $allow_empty_search.

◆ getMinWordLength()

ilSearch::getMinWordLength ( )

Definition at line 105 of file class.ilSearch.php.

    {
        return $this->min_word_length;
    }

References $min_word_length.

Referenced by initQueryParser().

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◆ getNumberOfResults()

ilSearch::getNumberOfResults ( )

Definition at line 162 of file class.ilSearch.php.

    {
        $number = count($this->getResultByType("usr")) + count($this->getResultByType("grp")) + count($this->getResultByType("role"));
 
        $tmp_res = $this->getResultByType("dbk");
        $number += count($tmp_res["meta"]) + count($tmp_res["content"]);
 
        $tmp_res = $this->getResultByType("lm");
        $number += count($tmp_res["meta"]) + count($tmp_res["content"]);
                    
        return $number;
    }

References getResultByType().

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◆ getPerformUpdate()

ilSearch::getPerformUpdate ( )

Definition at line 151 of file class.ilSearch.php.

    {
        return $this->perform_update;
    }

References $perform_update.

Referenced by performSearch().

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◆ getResultByType()

ilSearch::getResultByType ( $a_type )

Definition at line 143 of file class.ilSearch.php.

    {
        return $this->result[$a_type] ? $this->result[$a_type] : array();
    }

References $a_type.

Referenced by getNumberOfResults().

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◆ getResults()

ilSearch::getResults ( )

Definition at line 139 of file class.ilSearch.php.

    {
        return $this->result ? $this->result : array();
    }

Referenced by __updateDBResult().

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◆ getSearchFor()

ilSearch::getSearchFor ( )

Definition at line 123 of file class.ilSearch.php.

    {
        return $this->search_for ? $this->search_for : array();
    }

Referenced by performSearch().

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◆ getSearchIn()

ilSearch::getSearchIn ( )

Definition at line 127 of file class.ilSearch.php.

    {
        return $this->search_in ? $this->search_in : array();
    }

◆ getSearchInByType()

ilSearch::getSearchInByType ( $a_type )

Definition at line 131 of file class.ilSearch.php.

    {
        if ($a_type == 'lm' or $a_type == 'dbk') {
            return $this->search_in[$a_type];
        } else {
            return false;
        }
    }

References $a_type.

◆ getSearchString()

ilSearch::getSearchString ( )

Definition at line 115 of file class.ilSearch.php.

    {
        return $this->search_string;
    }

References $search_string.

Referenced by __parseSearchString(), and initQueryParser().

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◆ getSearchType()

ilSearch::getSearchType ( )

Definition at line 147 of file class.ilSearch.php.

    {
        return $this->search_type;
    }

References $search_type.

◆ getUserId()

ilSearch::getUserId ( )

Definition at line 111 of file class.ilSearch.php.

    {
        return $this->user_id;
    }

References $user_id.

Referenced by __readDBResult(), __updateDBResult(), and performUserSearch().

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◆ initQueryParser()

ilSearch::initQueryParser ( )

protected

init query parser

Returns

Definition at line 511 of file class.ilSearch.php.

    {
        if ($this->qp) {
            return true;
        }
        
        $this->qp = new ilQueryParser($this->getSearchString());
        $this->qp->setCombination($this->getCombination() == 'and' ? QP_COMBINATION_AND : QP_COMBINATION_OR);
        $this->qp->setMinWordLength($this->getMinWordLength());
        $this->qp->parse();
    }

References getCombination(), getMinWordLength(), getSearchString(), QP_COMBINATION_AND, and QP_COMBINATION_OR.

Referenced by performSearch(), and validate().

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◆ performObjectSearch()

ilSearch::performObjectSearch ( $a_type )

protected

perform object search

Returns

Definition at line 472 of file class.ilSearch.php.

    {
        include_once 'Services/Search/classes/Like/class.ilLikeObjectSearch.php';
        $object_search = new ilLikeObjectSearch($this->qp);
        $object_search->setFilter(array($a_type));
        $res = $object_search->performSearch();
        $res->filter(ROOT_FOLDER_ID, $this->getCombination());
        
        $counter = 0;
        foreach ($res->getResultIds() as $id) {
            $objs[$counter++]['id'] = $id;
        }
        return $objs ? $objs : array();
    }

References $a_type, $res, and getCombination().

Referenced by performSearch().

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◆ performRoleSearch()

ilSearch::performRoleSearch ( )

protected

Parameters

return

Definition at line 492 of file class.ilSearch.php.

    {
        // Perform like search
        include_once 'Services/Search/classes/Like/class.ilLikeObjectSearch.php';
        $object_search = new ilLikeObjectSearch($this->qp);
        $object_search->setFilter(array('role'));
        
        $res = $object_search->performSearch();
        foreach ($res->getEntries() as $id => $data) {
            $tmp['id'] = $id;
            $roles[] = $tmp;
        }
        return $roles ? $roles : array();
    }

References $data, and $res.

Referenced by performSearch().

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◆ performSearch()

ilSearch::performSearch ( )

Definition at line 186 of file class.ilSearch.php.

    {
        global $DIC;
 
        $objDefinition = $DIC['objDefinition'];
        $ilBench = $DIC['ilBench'];
 
        $ilBench->start("Search", "performSearch");
        
        $this->initQueryParser();
 
        $result = array("usr" => array(),
                        "grp" => array(),
                        "lm" => array(),
                        "dbk" => array(),
                        "role" => array());
 
        foreach ($this->getSearchFor() as $obj_type) {
            switch ($obj_type) {
                case "usr":
                    $result['usr'] = $this->performUserSearch();
                    break;
 
                case "grp":
                    $result['grp'] = $this->performObjectSearch('grp');
                    break;
 
                case "lm":
                    $result['lm'] = $this->performObjectSearch('lm');
                    break;
 
                case "dbk":
                    $result['dbk'] = $this->performObjectSearch('dbk');
                    break;
                    
                case "role":
                    $result['role'] = $this->performRoleSearch();
                    break;
            }
        }
 
        $this->setResult($result);
        $this->__validateResults();
 
        if ($this->getPerformUpdate()) {
            $this->__updateDBResult();
        }
 
        $ilBench->stop("Search", "performSearch");
 
        return true;
    }

References $DIC, $ilBench, $result, __updateDBResult(), __validateResults(), getPerformUpdate(), getSearchFor(), initQueryParser(), performObjectSearch(), performRoleSearch(), performUserSearch(), and setResult().

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◆ performUserSearch()

ilSearch::performUserSearch ( )

protected

perform a search for users

Returns

Definition at line 446 of file class.ilSearch.php.

    {
        include_once 'Services/Search/classes/class.ilObjectSearchFactory.php';
        
        $user_search = ilObjectSearchFactory::_getUserSearchInstance($this->qp);
        $res = new ilSearchResult($this->getUserId());
        
        foreach (array("login","firstname","lastname","title",
                "email","institution","street","city","zipcode","country","phone_home","fax") as $field) {
            $user_search->setFields(array($field));
            $tmp_res = $user_search->performSearch();
            
            $res->mergeEntries($tmp_res);
        }
 
        foreach ($res->getEntries() as $id => $data) {
            $tmp['id'] = $id;
            $users[] = $tmp;
        }
        return $users ? $users : array();
    }

References $data, $res, ilObjectSearchFactory\_getUserSearchInstance(), and getUserId().

Referenced by performSearch().

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◆ setCombination()

ilSearch::setCombination ( $a_combination )

Definition at line 71 of file class.ilSearch.php.

    {
        // 'and' or 'or'
        $this->combination = $a_combination;
    }

◆ setEmptySearch()

ilSearch::setEmptySearch ( $a_value )

Definition at line 96 of file class.ilSearch.php.

    {
        $this->allow_empty_search = $a_value;
    }

Referenced by __construct().

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◆ setMinWordLength()

ilSearch::setMinWordLength ( $a_min_word_length )

Definition at line 101 of file class.ilSearch.php.

    {
        $this->min_word_length = $a_min_word_length;
    }

◆ setPerformUpdate()

ilSearch::setPerformUpdate ( $a_value )

Definition at line 92 of file class.ilSearch.php.

    {
        $this->perform_update = $a_value;
    }

Referenced by __construct().

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◆ setResult()

ilSearch::setResult ( $a_result )

Definition at line 84 of file class.ilSearch.php.

    {
        $this->result = $a_result;
    }

Referenced by __readDBResult(), __validateResults(), and performSearch().

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◆ setSearchFor()

ilSearch::setSearchFor ( $a_search_for )

Definition at line 76 of file class.ilSearch.php.

    {
        $this->search_for = $a_search_for;
    }

◆ setSearchIn()

ilSearch::setSearchIn ( $a_search_in )

Definition at line 80 of file class.ilSearch.php.

    {
        $this->search_in = $a_search_in;
    }

◆ setSearchString()

ilSearch::setSearchString ( $a_search_str )

Definition at line 67 of file class.ilSearch.php.

    {
        $this->search_string = trim($a_search_str);
    }

◆ setSearchType()

ilSearch::setSearchType ( $a_type )

Definition at line 88 of file class.ilSearch.php.

    {
        $this->search_type = $a_type;
    }

References $a_type.

◆ validate()

ilSearch::validate ( & $message )

Definition at line 175 of file class.ilSearch.php.

    {
        $this->initQueryParser();
        
        if (!$this->qp->validate()) {
            $message = $this->qp->getMessage();
            return false;
        }
        return true;
    }

References $message, and initQueryParser().

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Field Documentation

◆ $allow_empty_search

ilSearch::$allow_empty_search

Definition at line 38 of file class.ilSearch.php.

Referenced by getEmptySearch().

◆ $combination

ilSearch::$combination

Definition at line 29 of file class.ilSearch.php.

◆ $ilias

ilSearch::$ilias

Definition at line 23 of file class.ilSearch.php.

Referenced by __construct().

◆ $lng

ilSearch::$lng

Definition at line 24 of file class.ilSearch.php.

Referenced by __construct().

◆ $min_word_length

ilSearch::$min_word_length = 3

Definition at line 30 of file class.ilSearch.php.

Referenced by getMinWordLength().

◆ $parsed_str

ilSearch::$parsed_str

Definition at line 28 of file class.ilSearch.php.

◆ $perform_update

ilSearch::$perform_update

Definition at line 35 of file class.ilSearch.php.

Referenced by getPerformUpdate().

◆ $qp

ilSearch::$qp = null

protected

Definition at line 16 of file class.ilSearch.php.

◆ $rbacsystem

ilSearch::$rbacsystem

Definition at line 25 of file class.ilSearch.php.

Referenced by __construct().

◆ $read_db_result

ilSearch::$read_db_result

Definition at line 36 of file class.ilSearch.php.

◆ $result

ilSearch::$result

Definition at line 34 of file class.ilSearch.php.

Referenced by __checkAccess(), and performSearch().

◆ $search_for

ilSearch::$search_for

Definition at line 31 of file class.ilSearch.php.

◆ $search_in

ilSearch::$search_in

Definition at line 32 of file class.ilSearch.php.

◆ $search_string

ilSearch::$search_string

Definition at line 27 of file class.ilSearch.php.

Referenced by getSearchString().

◆ $search_type

ilSearch::$search_type

Definition at line 33 of file class.ilSearch.php.

Referenced by getSearchType().

◆ $user_id

ilSearch::$user_id

Definition at line 26 of file class.ilSearch.php.

Referenced by getUserId().

The documentation for this class was generated from the following file:

Services/Search/classes/class.ilSearch.php

Public Member Functions

Data Fields

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ __construct()

Member Function Documentation

◆ __checkAccess()

◆ __parseSearchString()

◆ __prepareWord()

◆ __readDBResult()

◆ __updateDBResult()

◆ __validateResults()

◆ getCombination()

◆ getEmptySearch()

◆ getMinWordLength()

◆ getNumberOfResults()

◆ getPerformUpdate()

◆ getResultByType()

◆ getResults()

◆ getSearchFor()

◆ getSearchIn()

◆ getSearchInByType()

◆ getSearchString()

◆ getSearchType()

◆ getUserId()

◆ initQueryParser()

◆ performObjectSearch()

◆ performRoleSearch()

◆ performSearch()

◆ performUserSearch()

◆ setCombination()

◆ setEmptySearch()

◆ setMinWordLength()

◆ setPerformUpdate()

◆ setResult()

◆ setSearchFor()

◆ setSearchIn()

◆ setSearchString()

◆ setSearchType()

◆ validate()

Field Documentation

◆ $allow_empty_search

◆ $combination

◆ $ilias

◆ $lng

◆ $min_word_length

◆ $parsed_str

◆ $perform_update

◆ $qp

◆ $rbacsystem

◆ $read_db_result

◆ $result

◆ $search_for

◆ $search_in

◆ $search_string

◆ $search_type

◆ $user_id