ilAdvancedSearch Class Reference

Inheritance diagram for ilAdvancedSearch:

Collaboration diagram for ilAdvancedSearch:

Public Member Functions
	setMode (string $a_mode)
	getMode ()
	setOptions (array &$options)
	performSearch ()
&	__searchTitleDescription ()
	__searchTitle ()
	__searchDescription ()
	__searchGeneral ()
	__searchLanguage ()
	__searchContribute ()
	__searchEntity ()
	__searchRequirement ()
	__searchEducational ()
	__searchTypicalAgeRange ()
	__searchRights ()
	__searchClassification ()
	__searchTaxon ()
	__searchKeyword (bool $a_in_classification=false)
	__searchLifecycle ()
	__searchFormat ()
	__createRightsWhere ()
	__createClassificationWhere ()
	__createEducationalWhere ()
	__getDifference (int $a_val1, int $a_val2, array $options)
	__getInStatement (array $a_fields)
Public Member Functions inherited from ilAbstractSearch
	__construct (ilQueryParser $qp_obj)
	setFields (array $a_fields)
	getFields ()
	setFilter (array $a_filter)
	setIdFilter (array $a_id_filter)
	getIdFilter ()
	appendToFilter (string $a_type)
	getFilter ()
	__createLocateString ()
	__prepareFound (object $row)
	performSearch ()

Protected Member Functions
	searchObjectProperties (string ... $fields)
	joinOnRessourceIDs (string ... $individual_queries)
Protected Member Functions inherited from ilAbstractSearch
	getValidObjectTypes (ilObjectDefinition $object_definition)

Protected Attributes
array	$options = []
Protected Attributes inherited from ilAbstractSearch
ilDBInterface	$db
ilQueryParser	$query_parser
ilSearchResult	$search_result
array	$object_types = []

Private Attributes
string	$mode = ''

Detailed Description

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

Member Function Documentation

__createClassificationWhere()

ilAdvancedSearch::__createClassificationWhere

(

)

Definition at line 575 of file class.ilAdvancedSearch.php.

References ilDBConstants\T_TEXT.

Referenced by __searchClassification().

                                                 : string
    {
        $counter = 0;
        $where = 'WHERE ';


        if ($this->options['lom_purpose'] ?? null) {
            $and = $counter++ ? 'AND ' : ' ';
            $where .= ($and . "purpose = " . $this->db->quote($this->options['lom_purpose'], ilDBConstants::T_TEXT) . " ");
        }
        return $counter ? $where : '';
    }

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__createEducationalWhere()

ilAdvancedSearch::__createEducationalWhere

(

)

Definition at line 587 of file class.ilAdvancedSearch.php.

References ilAbstractSearch\$fields, __getDifference(), and __getInStatement().

Referenced by __searchEducational().

                                              : string
    {
        $counter = 0;
        $where = 'WHERE ';


        if ($this->options['lom_interactivity'] ?? null) {
            $and = $counter++ ? 'AND ' : ' ';
            $where .= ($and . "interactivity_type = " . $this->db->quote($this->options['lom_interactivity'], 'text') . " ");
        }
        if (
            ($this->options['lom_level_start'] ?? null) or
            ($this->options['lom_level_end'] ?? null)) {
            $and = $counter++ ? 'AND ' : ' ';

            $fields = $this->__getDifference(
                (int) $this->options['lom_level_start'],
                (int) $this->options['lom_level_end'],
                array('VeryLow','Low','Medium','High','VeryHigh')
            );

            $where .= ($and . "interactivity_level " . $this->__getInStatement($fields));
        }
        if (
            ($this->options['lom_density_start'] ?? null) or
            ($this->options['lom_density_end'] ?? null)
        ) {
            $and = $counter++ ? 'AND ' : ' ';

            $fields = $this->__getDifference(
                (int) $this->options['lom_density_start'],
                (int) $this->options['lom_density_end'],
                array('VeryLow','Low','Medium','High','VeryHigh')
            );

            $where .= ($and . "semantic_density " . $this->__getInStatement($fields));
        }
        if (
            ($this->options['lom_difficulty_start'] ?? null) or
            ($this->options['lom_difficulty_end'] ?? null)
        ) {
            $and = $counter++ ? 'AND ' : ' ';

            $fields = $this->__getDifference(
                (int) $this->options['lom_difficulty_start'],
                (int) $this->options['lom_difficulty_end'],
                array('VeryEasy','Easy','Medium','Difficult','VeryDifficult')
            );

            $where .= ($and . "difficulty " . $this->__getInStatement($fields));
        }

        return $counter ? $where : '';
    }

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__createRightsWhere()

ilAdvancedSearch::__createRightsWhere

(

)

Definition at line 559 of file class.ilAdvancedSearch.php.

Referenced by __searchRights().

                                         : string
    {
        $counter = 0;
        $where = 'WHERE ';


        if ($this->options['lom_costs'] ?? null) {
            $and = $counter++ ? 'AND ' : ' ';
            $where .= ($and . "costs = " . $this->db->quote($this->options['lom_costs'], 'text') . " ");
        }
        if ($this->options['lom_copyright'] ?? null) {
            $and = $counter++ ? 'AND ' : ' ';
            $where .= ($and . "cpr_and_or = " . $this->db->quote($this->options['lom_copyright'], 'text') . " ");
        }
        return $counter ? $where : '';
    }

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__getDifference()

ilAdvancedSearch::__getDifference	(	int	$a_val1,
		int	$a_val2,
		array	$options
	)

Returns

string[]

Definition at line 645 of file class.ilAdvancedSearch.php.

References ilAbstractSearch\$fields.

Referenced by __createEducationalWhere().

                                                                             : array
    {
        $a_val2 = $a_val2 ?: count($options);
        // Call again if a > b
        if ($a_val1 > $a_val2) {
            return $this->__getDifference($a_val2, $a_val1, $options);
        }

        $counter = 0;
        $fields = [];
        foreach ($options as $option) {
            if ($a_val1 > ++$counter) {
                continue;
            }
            if ($a_val2 < $counter) {
                break;
            }
            $fields[] = $option;
        }
        return $fields;
    }

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__getInStatement()

ilAdvancedSearch::__getInStatement

(

array

$a_fields

)

Definition at line 667 of file class.ilAdvancedSearch.php.

Referenced by __createEducationalWhere(), __searchClassification(), __searchContribute(), __searchEducational(), __searchEntity(), __searchFormat(), __searchGeneral(), __searchKeyword(), __searchLanguage(), __searchLifecycle(), __searchRequirement(), __searchRights(), __searchTaxon(), and searchObjectProperties().

                                                     : string
    {
        if (!$a_fields) {
            return '';
        }
        $in = " IN ('";
        $in .= implode("','", $a_fields);
        $in .= "') ";

        return $in;
    }

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__searchClassification()

ilAdvancedSearch::__searchClassification

(

)

Definition at line 415 of file class.ilAdvancedSearch.php.

References $res, ilAbstractSearch\$search_result, __createClassificationWhere(), __getInStatement(), ilDBConstants\FETCHMODE_OBJECT, and ilAbstractSearch\getFilter().

Referenced by performSearch().

                                            : ?ilSearchResult
    {
        $query = "SELECT rbac_id,obj_id,obj_type FROM il_meta_classification ";

        if (!strlen($where = $this->__createClassificationWhere())) {
            return null;
        }
        $and = ("AND obj_type " . $this->__getInStatement($this->getFilter()));
        $query = $query . $where . $and;
        $res = $this->db->query($query);
        #var_dump("<pre>",$query,"<pre>");
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            $this->search_result->addEntry(
                (int) $row->rbac_id,
                (string) $row->obj_type,
                array(),
                (int) $row->obj_id
            );
        }
        return $this->search_result;
    }

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__searchContribute()

ilAdvancedSearch::__searchContribute

(

)

Definition at line 235 of file class.ilAdvancedSearch.php.

References $res, ilAbstractSearch\$search_result, __getInStatement(), ilDBConstants\FETCHMODE_OBJECT, and ilAbstractSearch\getFilter().

Referenced by performSearch().

                                        : ?ilSearchResult
    {
        if (!($this->options['lom_role'] ?? null)) {
            return null;
        }

        $query = "SELECT rbac_id,obj_id,obj_type FROM il_meta_contribute " .
            "WHERE role = " . $this->db->quote($this->options['lom_role'], 'text') . " " .
            "AND obj_type " . $this->__getInStatement($this->getFilter());

        $res = $this->db->query($query);
        #var_dump("<pre>",$query,"<pre>");
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            $this->search_result->addEntry(
                (int) $row->rbac_id,
                (string) $row->obj_type,
                array(),
                (int) $row->obj_id
            );
        }
        return $this->search_result;
    }

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__searchDescription()

ilAdvancedSearch::__searchDescription

(

)

Definition at line 125 of file class.ilAdvancedSearch.php.

References searchObjectProperties().

Referenced by performSearch().

                                         : ilSearchResult
    {
        return $this->searchObjectProperties('description');
    }

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__searchEducational()

ilAdvancedSearch::__searchEducational

(

)

Definition at line 322 of file class.ilAdvancedSearch.php.

References $res, ilAbstractSearch\$search_result, __createEducationalWhere(), __getInStatement(), ilDBConstants\FETCHMODE_OBJECT, ilAbstractSearch\getFilter(), and joinOnRessourceIDs().

Referenced by performSearch().

                                         : ?ilSearchResult
    {
        $query_start = "SELECT rbac_id,obj_id,obj_type ";
        $and = " AND obj_type " . $this->__getInStatement($this->getFilter());

        $ed_query = $lr_type_query = $end_user_query = $context_query = '';
        if ($where = $this->__createEducationalWhere()) {
            $ed_query = $query_start . 'FROM il_meta_educational ' . $where . $and;
        }
        if ($this->options['lom_resource'] ?? null) {
            $where = " WHERE learning_resource_type = " . $this->db->quote($this->options['lom_resource'], 'text');
            $lr_type_query = $query_start . 'FROM il_meta_lr_type ' . $where . $and;
        }
        if ($this->options['lom_user_role'] ?? null) {
            $where = " WHERE intended_end_user_role = " . $this->db->quote($this->options['lom_user_role'], 'text');
            $end_user_query = $query_start . 'FROM il_meta_end_usr_role ' . $where . $and;
        }
        if ($this->options['lom_context'] ?? null) {
            $where = " WHERE context = " . $this->db->quote($this->options['lom_context'], 'text');
            $context_query = $query_start . 'FROM il_meta_context ' . $where . $and;
        }

        $query = $this->joinOnRessourceIDs(
            $ed_query,
            $lr_type_query,
            $end_user_query,
            $context_query
        );
        if ($query === '') {
            return null;
        }

        $res = $this->db->query($query);
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            $this->search_result->addEntry(
                (int) $row->rbac_id,
                (string) $row->obj_type,
                array(),
                (int) $row->obj_id
            );
        }
        return $this->search_result;
    }

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__searchEntity()

ilAdvancedSearch::__searchEntity

(

)

Definition at line 258 of file class.ilAdvancedSearch.php.

References $res, ilAbstractSearch\$search_result, ilAbstractSearch\__createLocateString(), __getInStatement(), ilAbstractSearch\__prepareFound(), ilDBConstants\FETCHMODE_OBJECT, ilAbstractSearch\getFilter(), and ilAbstractSearch\setFields().

Referenced by performSearch().

                                    : ?ilSearchResult
    {
        $this->setFields(array('entity'));

        $and = ("AND obj_type " . $this->__getInStatement($this->getFilter()));
        $where = $this->__createEntityWhereCondition();
        $locate = $this->__createLocateString();

        $query = "SELECT rbac_id,obj_id,obj_type " .
            $locate .
            "FROM il_meta_entity " .
            $where . " " . $and . ' ';

        $res = $this->db->query($query);
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            $found = $this->__prepareFound($row);
            if (!in_array(0, $found)) {
                $this->search_result->addEntry(
                    (int) $row->rbac_id,
                    (string) $row->obj_type,
                    $found,
                    (int) $row->obj_id
                );
            }
        }

        return $this->search_result;
    }

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__searchFormat()

ilAdvancedSearch::__searchFormat

(

)

Definition at line 535 of file class.ilAdvancedSearch.php.

References $res, ilAbstractSearch\$search_result, __getInStatement(), ilDBConstants\FETCHMODE_OBJECT, ilAbstractSearch\getFilter(), and ilDBConstants\T_TEXT.

Referenced by performSearch().

                                    : ?ilSearchResult
    {
        if (!($this->options['lom_format'] ?? null)) {
            return null;
        }

        $query = "SELECT rbac_id,obj_id,obj_type FROM il_meta_format " .
            "WHERE format LIKE(" . $this->db->quote($this->options['lom_format'], ilDBConstants::T_TEXT) . ") " .
            "AND obj_type " . $this->__getInStatement($this->getFilter());

        $res = $this->db->query($query);
        #var_dump("<pre>",$query,"<pre>");
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            $this->search_result->addEntry(
                (int) $row->rbac_id,
                (string) $row->obj_type,
                array(),
                (int) $row->obj_id
            );
        }
        return $this->search_result;
    }

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__searchGeneral()

ilAdvancedSearch::__searchGeneral

(

)

Definition at line 156 of file class.ilAdvancedSearch.php.

References $DIC, $ilDB, $res, ilAbstractSearch\$search_result, ilAbstractSearch\__createLocateString(), __getInStatement(), ilAbstractSearch\__prepareFound(), ilDBConstants\FETCHMODE_OBJECT, ilAbstractSearch\getFilter(), joinOnRessourceIDs(), ilAbstractSearch\setFields(), and ilDBConstants\T_TEXT.

Referenced by performSearch().

                                     : ?ilSearchResult
    {
        global $DIC;

        $ilDB = $DIC->database();

        $coverage_query = $general_query = '';
        if ($this->options['lom_coverage'] ?? null) {
            $this->setFields(array('coverage'));
            $and = $this->__createCoverageAndCondition();
            $locate = $this->__createLocateString();
            $coverage_query = "SELECT rbac_id,obj_type,obj_id " .
                $locate . " " .
                "FROM il_meta_coverage " .
                "WHERE obj_type " . $this->__getInStatement($this->getFilter()) . " " .
                $and;
        }
        if ($this->options['lom_structure'] ?? null) {
            $and = ("AND general_structure = " . $ilDB->quote($this->options['lom_structure'], ilDBConstants::T_TEXT) . " ");
            $general_query = "SELECT rbac_id,obj_type,obj_id " .
                "FROM il_meta_general " .
                "WHERE obj_type " . $this->__getInStatement($this->getFilter()) . " " .
                $and;
        }

        $query = $this->joinOnRessourceIDs($general_query, $coverage_query);
        if ($query === '') {
            return null;
        }

        $res = $this->db->query($query);
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            if ($this->options['lom_coverage'] ?? null) {
                $found = $this->__prepareFound($row);
                if (!in_array(0, $found)) {
                    $this->search_result->addEntry(
                        (int) $row->rbac_id,
                        (string) $row->obj_type,
                        $found,
                        (int) $row->obj_id
                    );
                }
            } else {
                $this->search_result->addEntry(
                    (int) $row->rbac_id,
                    (string) $row->obj_type,
                    array(),
                    (int) $row->obj_id
                );
            }
        }

        return $this->search_result;
    }

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__searchKeyword()

ilAdvancedSearch::__searchKeyword

(

bool

$a_in_classification = false

)

Definition at line 466 of file class.ilAdvancedSearch.php.

References $res, ilAbstractSearch\$search_result, ilAbstractSearch\__createLocateString(), __getInStatement(), ilAbstractSearch\__prepareFound(), ilDBConstants\FETCHMODE_OBJECT, ilAbstractSearch\getFilter(), and ilAbstractSearch\setFields().

Referenced by performSearch().

                                                                      : ilSearchResult
    {
        $this->setFields(array('keyword'));

        $and = ("AND obj_type " . $this->__getInStatement($this->getFilter()));
        if ($a_in_classification) {
            $and .= " AND parent_type = 'meta_classification' ";
        }
        $where = $this->__createKeywordWhereCondition();
        $locate = $this->__createLocateString();

        $query = "SELECT rbac_id,obj_id,obj_type " .
            $locate .
            "FROM il_meta_keyword " .
            $where . " " . $and . ' ';

        $res = $this->db->query($query);
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            $found = $this->__prepareFound($row);
            if (!in_array(0, $found) or !$a_in_classification) {
                $this->search_result->addEntry(
                    (int) $row->rbac_id,
                    (string) $row->obj_type,
                    $found,
                    (int) $row->obj_id
                );
            }
        }

        return $this->search_result;
    }

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__searchLanguage()

ilAdvancedSearch::__searchLanguage

(

)

Definition at line 211 of file class.ilAdvancedSearch.php.

References $res, ilAbstractSearch\$search_result, __getInStatement(), ilDBConstants\FETCHMODE_OBJECT, and ilAbstractSearch\getFilter().

Referenced by performSearch().

                                      : ?ilSearchResult
    {
        if (!($this->options['lom_language'] ?? null)) {
            return null;
        }

        $query = "SELECT rbac_id,obj_id,obj_type FROM il_meta_language " .
            "WHERE language = " . $this->db->quote($this->options['lom_language'], 'text') . " " .
            "AND obj_type " . $this->__getInStatement($this->getFilter()) . ' ' .
            "AND parent_type = 'meta_general'";

        $res = $this->db->query($query);
        #var_dump("<pre>",$query,"<pre>");
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            $this->search_result->addEntry(
                (int) $row->rbac_id,
                (string) $row->obj_type,
                array(),
                (int) $row->obj_id
            );
        }
        return $this->search_result;
    }

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__searchLifecycle()

ilAdvancedSearch::__searchLifecycle

(

)

Definition at line 497 of file class.ilAdvancedSearch.php.

References $res, ilAbstractSearch\$search_result, ilAbstractSearch\__createLocateString(), __getInStatement(), ilAbstractSearch\__prepareFound(), ilDBConstants\FETCHMODE_OBJECT, ilAbstractSearch\getFilter(), and ilAbstractSearch\setFields().

Referenced by performSearch().

                                       : ilSearchResult
    {
        $this->setFields(array('meta_version'));

        $locate = '';
        if ($this->options['lom_version'] ?? null) {
            $where = $this->__createLifecycleWhereCondition();
            $locate = $this->__createLocateString();
        } else {
            $where = "WHERE 1 = 1 ";
        }
        $and = ("AND obj_type " . $this->__getInStatement($this->getFilter()));

        if ($this->options['lom_status'] ?? null) {
            $and .= (" AND lifecycle_status = " . $this->db->quote($this->options['lom_status'], 'text') . "");
        }

        $query = "SELECT rbac_id,obj_id,obj_type " .
            $locate .
            "FROM il_meta_lifecycle " .
            $where . " " . $and . ' ';

        $res = $this->db->query($query);
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            $found = $this->__prepareFound($row);
            if (!in_array(0, $found)) {
                $this->search_result->addEntry(
                    (int) $row->rbac_id,
                    (string) $row->obj_type,
                    $found,
                    (int) $row->obj_id
                );
            }
        }

        return $this->search_result;
    }

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__searchRequirement()

ilAdvancedSearch::__searchRequirement

(

)

Definition at line 289 of file class.ilAdvancedSearch.php.

References $res, ilAbstractSearch\$search_result, __getInStatement(), ilDBConstants\FETCHMODE_OBJECT, ilAbstractSearch\getFilter(), joinOnRessourceIDs(), and ilDBConstants\T_TEXT.

Referenced by performSearch().

                                         : ?ilSearchResult
    {
        $query = "SELECT rbac_id,obj_id,obj_type FROM il_meta_or_composite " .
            "WHERE obj_type " . $this->__getInStatement($this->getFilter());

        $os_query = $browser_query = '';
        if ($this->options['lom_operating_system'] ?? null) {
            $os_query = $query . " AND type = 'operating system' AND " .
                "name = " . $this->db->quote($this->options['lom_operating_system'], ilDBConstants::T_TEXT);
        }
        if ($this->options['lom_browser'] ?? null) {
            $browser_query = $query . " AND type = 'browser' AND " .
                "name = " . $this->db->quote($this->options['lom_browser'], ilDBConstants::T_TEXT);
        }

        $query = $this->joinOnRessourceIDs($os_query, $browser_query);
        if ($query === '') {
            return null;
        }

        $res = $this->db->query($query);
        #var_dump("<pre>",$query,"<pre>");
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            $this->search_result->addEntry(
                (int) $row->rbac_id,
                (string) $row->obj_type,
                array(),
                (int) $row->obj_id
            );
        }
        return $this->search_result;
    }

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__searchRights()

ilAdvancedSearch::__searchRights

(

)

Definition at line 393 of file class.ilAdvancedSearch.php.

References $res, ilAbstractSearch\$search_result, __createRightsWhere(), __getInStatement(), ilDBConstants\FETCHMODE_OBJECT, and ilAbstractSearch\getFilter().

Referenced by performSearch().

                                    : ?ilSearchResult
    {
        $query = "SELECT rbac_id,obj_id,obj_type FROM il_meta_rights ";

        if (!strlen($where = $this->__createRightsWhere())) {
            return null;
        }
        $and = ("AND obj_type " . $this->__getInStatement($this->getFilter()));
        $query = $query . $where . $and;
        $res = $this->db->query($query);
        #var_dump("<pre>",$query,"<pre>");
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            $this->search_result->addEntry(
                (int) $row->rbac_id,
                (string) $row->obj_type,
                array(),
                (int) $row->obj_id
            );
        }
        return $this->search_result;
    }

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__searchTaxon()

ilAdvancedSearch::__searchTaxon

(

)

Definition at line 437 of file class.ilAdvancedSearch.php.

References $res, ilAbstractSearch\$search_result, ilAbstractSearch\__createLocateString(), __getInStatement(), ilAbstractSearch\__prepareFound(), ilDBConstants\FETCHMODE_OBJECT, ilAbstractSearch\getFilter(), and ilAbstractSearch\setFields().

Referenced by performSearch().

                                   : ?ilSearchResult
    {
        $this->setFields(array('taxon'));

        $and = ("AND obj_type " . $this->__getInStatement($this->getFilter()));
        $where = $this->__createTaxonWhereCondition();
        $locate = $this->__createLocateString();

        $query = "SELECT rbac_id,obj_id,obj_type " .
            $locate .
            "FROM il_meta_taxon " .
            $where . " " . $and . ' ';

        $res = $this->db->query($query);
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            $found = $this->__prepareFound($row);
            if (!in_array(0, $found)) {
                $this->search_result->addEntry(
                    (int) $row->rbac_id,
                    (string) $row->obj_type,
                    $found,
                    (int) $row->obj_id
                );
            }
        }

        return $this->search_result;
    }

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__searchTitle()

ilAdvancedSearch::__searchTitle

(

)

Definition at line 120 of file class.ilAdvancedSearch.php.

References searchObjectProperties().

Referenced by performSearch().

                                   : ilSearchResult
    {
        return $this->searchObjectProperties('title');
    }

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__searchTitleDescription()

& ilAdvancedSearch::__searchTitleDescription

(

)

Definition at line 114 of file class.ilAdvancedSearch.php.

References ilAbstractSearch\$search_result, and searchObjectProperties().

Referenced by performSearch().

                                               : ilSearchResult
    {
        $this->searchObjectProperties('title', 'description');
        return $this->search_result;
    }

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__searchTypicalAgeRange()

ilAdvancedSearch::__searchTypicalAgeRange

(

)

Definition at line 366 of file class.ilAdvancedSearch.php.

References $res, ilAbstractSearch\$search_result, ilDBConstants\FETCHMODE_OBJECT, and ILIAS\Repository\int().

Referenced by performSearch().

                                             : ?ilSearchResult
    {
        if (
            !($this->options['typ_age_1'] ?? null) or
            !($this->options['typ_age_2'] ?? null)
        ) {
            return null;
        }

        $query = "SELECT rbac_id,obj_id,obj_type FROM il_meta_typical_age_range " .
            "WHERE typical_age_range_min >= '" . (int) $this->options['typ_age_1'] . "' " .
            "AND typical_age_range_max <= '" . (int) $this->options['typ_age_2'] . "'";


        $res = $this->db->query($query);
        #var_dump("<pre>",$query,"<pre>");
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            $this->search_result->addEntry(
                (int) $row->rbac_id,
                (string) $row->obj_type,
                array(),
                (int) $row->obj_id
            );
        }
        return $this->search_result;
    }

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getMode()

ilAdvancedSearch::getMode

(

)

Definition at line 44 of file class.ilAdvancedSearch.php.

References $mode.

Referenced by performSearch().

                             : string
    {
        return $this->mode;
    }

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joinOnRessourceIDs()

ilAdvancedSearch::joinOnRessourceIDs ( string ...  $individual_queries )

protected

Definition at line 679 of file class.ilAdvancedSearch.php.

Referenced by __searchEducational(), __searchGeneral(), and __searchRequirement().

                                                                        : string
    {
        $non_empty_queries = [];
        foreach ($individual_queries as $query) {
            if ($query !== '') {
                $non_empty_queries[] = $query;
            }
        }

        if (count($non_empty_queries) < 2) {
            return $non_empty_queries[0] ?? '';
        }

        $total_query = '';
        foreach ($non_empty_queries as $query) {
            if ($total_query === '') {
                $total_query = $query;
                continue;
            }
            $total_query = "SELECT t1.rbac_id, t1.obj_type, t1.obj_id " .
                "FROM (" . $total_query . ") AS t1 JOIN (" . $query .
                ") AS t2 ON t1.rbac_id = t2.rbac_id AND t1.obj_type = t2.obj_type AND t1.obj_id = t2.obj_id";
        }
        return $total_query;
    }

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performSearch()

ilAdvancedSearch::performSearch

(

)

Definition at line 55 of file class.ilAdvancedSearch.php.

References __searchClassification(), __searchContribute(), __searchDescription(), __searchEducational(), __searchEntity(), __searchFormat(), __searchGeneral(), __searchKeyword(), __searchLanguage(), __searchLifecycle(), __searchRequirement(), __searchRights(), __searchTaxon(), __searchTitle(), __searchTitleDescription(), __searchTypicalAgeRange(), and getMode().

                                   : ?ilSearchResult
    {
        switch ($this->getMode()) {
            case 'requirement':
                return $this->__searchRequirement();

            case 'educational':
                return $this->__searchEducational();

            case 'typical_age_range':
                return $this->__searchTypicalAgeRange();

            case 'rights':
                return $this->__searchRights();

            case 'classification':
                return $this->__searchClassification();

            case 'taxon':
                return $this->__searchTaxon();

            case 'keyword':
                return $this->__searchKeyword();

            case 'format':
                return $this->__searchFormat();

            case 'lifecycle':
                return $this->__searchLifecycle();

            case 'contribute':
                return $this->__searchContribute();

            case 'entity':
                return $this->__searchEntity();

            case 'general':
                return $this->__searchGeneral();

            case 'keyword_all':
                return $this->__searchKeyword(false);

            case 'title_description':
                return $this->__searchTitleDescription();

            case 'title':
                return $this->__searchTitle();

            case 'description':
                return $this->__searchDescription();

            case 'language':
                return $this->__searchLanguage();

            default:
                throw new InvalidArgumentException('ilMDSearch: no valid mode given');
        }
    }

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searchObjectProperties()

ilAdvancedSearch::searchObjectProperties ( string ...  $fields )

protected

Definition at line 130 of file class.ilAdvancedSearch.php.

References $res, ilAbstractSearch\$search_result, ilAbstractSearch\__createLocateString(), __getInStatement(), ilDBConstants\FETCHMODE_OBJECT, ilAbstractSearch\getFilter(), and ilAbstractSearch\setFields().

Referenced by __searchDescription(), __searchTitle(), and __searchTitleDescription().

                                                                : ilSearchResult
    {
        $this->setFields($fields);

        $and = ("AND type " . $this->__getInStatement($this->getFilter()));
        $where = $this->__createObjectPropertiesWhereCondition(...$fields);
        $locate = $this->__createLocateString();

        $query = "SELECT obj_id,type " .
            $locate .
            "FROM object_data " .
            $where . " " . $and . ' ' .
            "ORDER BY obj_id DESC";

        $res = $this->db->query($query);
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            $this->search_result->addEntry(
                (int) $row->obj_id,
                (string) $row->type,
                $this->__prepareFound($row)
            );
        }

        return $this->search_result;
    }

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setMode()

ilAdvancedSearch::setMode

(

string

$a_mode

)

Definition at line 40 of file class.ilAdvancedSearch.php.

                                           : void
    {
        $this->mode = $a_mode;
    }

setOptions()

ilAdvancedSearch::setOptions

(

array &

$options

)

Definition at line 49 of file class.ilAdvancedSearch.php.

References $options.

                                               : void
    {
        $this->options = &$options;
    }

Field Documentation

$mode

string ilAdvancedSearch::$mode = ''

private

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

Referenced by getMode().

$options

array ilAdvancedSearch::$options = []

protected

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

Referenced by setOptions().

---

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

• components/ILIAS/Search/classes/class.ilAdvancedSearch.php