ilRating Class Reference

Class ilRating. More...

Collaboration diagram for ilRating:

Static Public Member Functions
static	writeRatingForUserAndObject ( $a_obj_id, $a_obj_type, $a_sub_obj_id, $a_sub_obj_type, $a_user_id, $a_rating, $a_category_id=0)
	Write rating for a user and an object. More...
static	resetRatingForUserAndObject ( $a_obj_id, $a_obj_type, $a_sub_obj_id, $a_sub_obj_type, $a_user_id)
	Reset rating for a user and an object. More...
static	getRatingForUserAndObject ( $a_obj_id, $a_obj_type, $a_sub_obj_id, $a_sub_obj_type, $a_user_id, $a_category_id=null)
	Get rating for a user and an object. More...
static	getOverallRatingForObject ($a_obj_id, $a_obj_type, $a_sub_obj_id=null, $a_sub_obj_type=null, $a_category_id=null)
	Get overall rating for an object. More...
static	getExportData ($a_obj_id, $a_obj_type, array $a_category_ids=null)
	Get export data. More...
static	preloadListGUIData (array $a_obj_ids)
	Preload rating data for list guis. More...
static	hasRatingInListGUI ($a_obj_id, $a_obj_type)

Static Protected Attributes
static	$list_data

Detailed Description

Class ilRating.

Author

Alex Killing alex..nosp@m.kill.nosp@m.ing@g.nosp@m.mx.d.nosp@m.e

Version

$Id$

Definition at line 15 of file class.ilRating.php.

Member Function Documentation

getExportData()

static ilRating::getExportData (   $a_obj_id,   $a_obj_type, array  $a_category_ids = null  )

static

Get export data.

Parameters

int	$a_obj_id
string	$a_obj_type
array	$a_category_ids

Returns

array

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

    {
        global $DIC;
 
        $ilDB = $DIC->database();
        
        $res = array();
        $q = "SELECT sub_obj_id, sub_obj_type, rating, category_id, user_id, tstamp " .
            "FROM il_rating WHERE " .
            "obj_id = " . $ilDB->quote((int) $a_obj_id, "integer") . " AND " .
            "obj_type = " . $ilDB->quote($a_obj_type, "text") .
            " ORDER BY tstamp";
        if ($a_category_ids) {
            $q .= " AND " . $ilDB->in("category_id", $a_category_ids, "", "integer");
        }
        $set = $ilDB->query($q);
        while ($row = $ilDB->fetchAssoc($set)) {
            $res[] = $row;
        }
        return $res;
    }

References $DIC, $ilDB, $res, and $row.

Referenced by ilRatingCategoryGUI\export().

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getOverallRatingForObject()

static ilRating::getOverallRatingForObject (   $a_obj_id,   $a_obj_type,   $a_sub_obj_id = null,   $a_sub_obj_type = null,   $a_category_id = null  )

static

Get overall rating for an object.

Parameters

int	$a_obj_id	Object ID
string	$a_obj_type	Object Type
int	$a_sub_obj_id	Subobject ID
string	$a_sub_obj_type	Subobject Type
int	$a_category_id	Category ID

Definition at line 165 of file class.ilRating.php.

    {
        global $DIC;
 
        $ilDB = $DIC->database();
    
        if (is_array(self::$list_data)) {
            return self::$list_data["all"][$a_obj_type . "/" . $a_obj_id];
        }
        
        $q = "SELECT AVG(rating) av FROM il_rating" .
            " WHERE obj_id = " . $ilDB->quote((int) $a_obj_id, "integer") .
            " AND obj_type = " . $ilDB->quote($a_obj_type, "text");
        if ($a_sub_obj_id) {
            $q .= " AND sub_obj_id = " . $ilDB->quote((int) $a_sub_obj_id, "integer") .
                " AND " . $ilDB->equals("sub_obj_type", $a_sub_obj_type, "text", true);
        } else {
            $q .= " AND sub_obj_type = " . $ilDB->quote("-", "text"); // #13913
        }
        
        if ($a_category_id !== null) {
            $q .= " AND category_id = " . $ilDB->quote((int) $a_category_id, "integer");
        }
        $q .= " GROUP BY user_id";
        $set = $ilDB->query($q);
        $avg = $cnt = 0;
        while ($rec = $ilDB->fetchAssoc($set)) {
            $cnt++;
            $avg += $rec["av"];
        }
        if ($cnt > 0) {
            $avg = $avg/$cnt;
        } else {
            $avg = 0;
        }
        return array("cnt" => $cnt, "avg" => $avg);
    }

References $DIC, and $ilDB.

Referenced by ilObjForumGUI\executeCommand(), ilWikiStat\getAverageRating(), ilDclRatingRecordFieldModel\getExportValue(), ilRatingGUI\getHTML(), ilDclRatingRecordFieldModel\getValue(), and ilRatingGUI\renderDetails().

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getRatingForUserAndObject()

static ilRating::getRatingForUserAndObject (   $a_obj_id,   $a_obj_type,   $a_sub_obj_id,   $a_sub_obj_type,   $a_user_id,   $a_category_id = null  )

static

Get rating for a user and an object.

Parameters

int	$a_obj_id	Object ID
string	$a_obj_type	Object Type
int	$a_sub_obj_id	Subobject ID
string	$a_sub_obj_type	Subobject Type
int	$a_user_id	User ID
int	$a_category_id	Category ID

Definition at line 126 of file class.ilRating.php.

      {
        global $DIC;
 
        $ilDB = $DIC->database();
        
        if (is_array(self::$list_data)) {
            return self::$list_data["user"][$a_obj_type . "/" . $a_obj_id];
        }
        
        $q = "SELECT AVG(rating) av FROM il_rating WHERE " .
            "user_id = " . $ilDB->quote($a_user_id, "integer") . " AND " .
            "obj_id = " . $ilDB->quote((int) $a_obj_id, "integer") . " AND " .
            "obj_type = " . $ilDB->quote($a_obj_type, "text") . " AND " .
            "sub_obj_id = " . $ilDB->quote((int) $a_sub_obj_id, "integer") . " AND " .
            $ilDB->equals("sub_obj_type", $a_sub_obj_type, "text", true);
        if ($a_category_id !== null) {
            $q .= " AND category_id = " . $ilDB->quote((int) $a_category_id, "integer");
        }
        $set = $ilDB->query($q);
        $rec = $ilDB->fetchAssoc($set);
        return $rec["av"];
    }

References $DIC, and $ilDB.

Referenced by ilRatingGUI\getHTML(), ilExcCriteriaRating\hasValue(), and ilRatingGUI\renderDetails().

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hasRatingInListGUI()

static ilRating::hasRatingInListGUI (   $a_obj_id,   $a_obj_type  )

static

Definition at line 309 of file class.ilRating.php.

    {
        return isset(self::$list_data["all"][$a_obj_type . "/" . $a_obj_id]);
    }

Referenced by ilObjectListGUI\getListItemHTML().

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preloadListGUIData()

static ilRating::preloadListGUIData ( array  $a_obj_ids )

static

Preload rating data for list guis.

Parameters

array

$a_obj_ids

Definition at line 238 of file class.ilRating.php.

    {
        global $DIC;
 
        $ilDB = $DIC->database();
        $ilUser = $DIC->user();
        
        $tmp = $res = $tmp_user = $res_user = array();
        
        // collapse by categories
        $q = "SELECT obj_id, obj_type, user_id, AVG(rating) av" .
            " FROM il_rating" .
            " WHERE " . $ilDB->in("obj_id", $a_obj_ids, "", "integer") .
            " AND sub_obj_id = " . $ilDB->quote(0, "integer") .
            " GROUP BY obj_id, obj_type, user_id";
        $set = $ilDB->query($q);
        while ($rec = $ilDB->fetchAssoc($set)) {
            $tmp[$rec["obj_type"] . "/" . $rec["obj_id"]][$rec["user_id"]] = (float) $rec["av"];
            if ($rec["user_id"] == $ilUser->getId()) {
                // add final average to user result (no sub-objects)
                $res_user[$rec["obj_type"] . "/" . $rec["obj_id"]] = (float) $rec["av"];
            }
        }
        
        // average for main objects without sub-objects
        foreach ($tmp as $obj_id => $votes) {
            $res[$obj_id] = array("avg"=>array_sum($votes)/sizeof($votes),
                "cnt"=>sizeof($votes));
        }
        
        // file/wiki/lm rating toggles
        
        $set = $ilDB->query("SELECT file_id, rating" .
            " FROM file_data" .
            " WHERE " . $ilDB->in("file_id", $a_obj_ids, "", 'integer'));
        while ($row = $ilDB->fetchAssoc($set)) {
            $id = "file/" . $row["file_id"];
            if ($row["rating"] && !isset($res[$id])) {
                $res[$id] = array("avg"=>0, "cnt"=>0);
            } elseif (!$row["rating"] && isset($res[$id])) {
                unset($res[$id]);
            }
        }
        
        $set = $ilDB->query("SELECT id, rating_overall" .
            " FROM il_wiki_data" .
            " WHERE " . $ilDB->in("id", $a_obj_ids, "", 'integer'));
        while ($row = $ilDB->fetchAssoc($set)) {
            $id = "wiki/" . $row["id"];
            if ($row["rating_overall"] && !isset($res[$id])) {
                $res[$id] = array("avg"=>0, "cnt"=>0);
            } elseif (!$row["rating_overall"] && isset($res[$id])) {
                unset($res[$id]);
            }
        }
        
        $set = $ilDB->query("SELECT id, rating" .
            " FROM content_object" .
            " WHERE " . $ilDB->in("id", $a_obj_ids, "", 'integer'));
        while ($row = $ilDB->fetchAssoc($set)) {
            $id = "lm/" . $row["id"];
            if ($row["rating"] && !isset($res[$id])) {
                $res[$id] = array("avg"=>0, "cnt"=>0);
            } elseif (!$row["rating"] && isset($res[$id])) {
                unset($res[$id]);
            }
        }
        
        self::$list_data = array("all"=>$res, "user"=>$res_user);
    }

References $DIC, $id, $ilDB, $ilUser, $res, and $row.

Referenced by ilObjectListGUIPreloader\preload().

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resetRatingForUserAndObject()

static ilRating::resetRatingForUserAndObject (   $a_obj_id,   $a_obj_type,   $a_sub_obj_id,   $a_sub_obj_type,   $a_user_id  )

static

Reset rating for a user and an object.

Parameters

int	$a_obj_id	Object ID
string	$a_obj_type	Object Type
int	$a_sub_obj_id	Subobject ID
string	$a_sub_obj_type	Subobject Type
int	$a_user_id	User ID

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

      {
        global $DIC;
 
        $ilDB = $DIC->database();
        
        $ilDB->manipulate("DELETE FROM il_rating WHERE " .
            "user_id = " . $ilDB->quote($a_user_id, "integer") . " AND " .
            "obj_id = " . $ilDB->quote((int) $a_obj_id, "integer") . " AND " .
            "obj_type = " . $ilDB->quote($a_obj_type, "text") . " AND " .
            "sub_obj_id = " . $ilDB->quote((int) $a_sub_obj_id, "integer") . " AND " .
            $ilDB->equals("sub_obj_type", $a_sub_obj_type, "text", true));
    }

References $DIC, and $ilDB.

Referenced by ilExcCriteriaRating\resetReview(), ilRatingGUI\resetUserRating(), and ilLMPresentationGUI\updatePageRating().

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writeRatingForUserAndObject()

static ilRating::writeRatingForUserAndObject (   $a_obj_id,   $a_obj_type,   $a_sub_obj_id,   $a_sub_obj_type,   $a_user_id,   $a_rating,   $a_category_id = 0  )

static

Write rating for a user and an object.

Parameters

int	$a_obj_id	Object ID
string	$a_obj_type	Object Type
int	$a_sub_obj_id	Subobject ID
string	$a_sub_obj_type	Subobject Type
int	$a_user_id	User ID
int	$a_rating	Rating
int	$a_category_id	Category ID

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

      {
        global $DIC;
 
        $ilDB = $DIC->database();
 
        if ($a_rating < 0) {
            $a_rating = 0;
        }
 
        if ($a_rating > 5) {
            $a_rating = 5;
        }
 
        if ($a_user_id == ANONYMOUS_USER_ID) {
            return;
        }
        
        if ($a_category_id) {
            $ilDB->manipulate("DELETE FROM il_rating WHERE " .
                "user_id = " . $ilDB->quote($a_user_id, "integer") . " AND " .
                "obj_id = " . $ilDB->quote((int) $a_obj_id, "integer") . " AND " .
                "obj_type = " . $ilDB->quote($a_obj_type, "text") . " AND " .
                "sub_obj_id = " . $ilDB->quote((int) $a_sub_obj_id, "integer") . " AND " .
                $ilDB->equals("sub_obj_type", $a_sub_obj_type, "text", true) . " AND " .
                "category_id = " . $ilDB->quote(0, "integer"));
        }
        
        $ilDB->manipulate("DELETE FROM il_rating WHERE " .
            "user_id = " . $ilDB->quote($a_user_id, "integer") . " AND " .
            "obj_id = " . $ilDB->quote((int) $a_obj_id, "integer") . " AND " .
            "obj_type = " . $ilDB->quote($a_obj_type, "text") . " AND " .
            "sub_obj_id = " . $ilDB->quote((int) $a_sub_obj_id, "integer") . " AND " .
            $ilDB->equals("sub_obj_type", $a_sub_obj_type, "text", true) . " AND " .
            "category_id = " . $ilDB->quote((int) $a_category_id, "integer"));
        
        if ((int) $a_rating) {
            $ilDB->manipulate("INSERT INTO il_rating (user_id, obj_id, obj_type," .
                "sub_obj_id, sub_obj_type, category_id, rating, tstamp) VALUES (" .
                $ilDB->quote($a_user_id, "integer") . "," .
                $ilDB->quote((int) $a_obj_id, "integer") . "," .
                $ilDB->quote($a_obj_type, "text") . "," .
                $ilDB->quote((int) $a_sub_obj_id, "integer") . "," .
                $ilDB->quote($a_sub_obj_type, "text") . "," .
                $ilDB->quote($a_category_id, "integer") . "," .
                $ilDB->quote((int) $a_rating, "integer") . "," .
                $ilDB->quote(time(), "integer") . ")");
        }
    }

References $DIC, and $ilDB.

Referenced by ilRatingGUI\saveRating(), ilExcCriteriaRating\updateFromAjax(), and ilLMPresentationGUI\updatePageRating().

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Field Documentation

$list_data

ilRating::$list_data

staticprotected

Definition at line 17 of file class.ilRating.php.

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

• Services/Rating/classes/class.ilRating.php