ilNotification Class Reference

Class ilNotification. More...

Collaboration diagram for ilNotification:

Static Public Member Functions
static	hasNotification ($type, $user_id, $id)
	Check notification status for object and user. More...
static	hasOptOut ($obj_id)
	Is opt out (disable notification) allowed? More...
static	getNotificationsForObject ($type, $id, $page_id=null, $ignore_threshold=false)
	Get all users for given object. More...
static	setNotification ($type, $user_id, $id, $status=true)
	Set notification status for object and user. More...
static	updateNotificationTime ($type, $id, array $user_ids, $page_id=false)
	Update the last mail timestamp for given object and users. More...
static	removeForObject ($type, $id)
	Remove all notifications for given object. More...
static	removeForUser ($user_id)
	Remove all notifications for given user. More...

Data Fields
const	TYPE_EXERCISE_SUBMISSION = 1
const	TYPE_WIKI = 2
const	TYPE_WIKI_PAGE = 3
const	TYPE_BLOG = 4
const	TYPE_DATA_COLLECTION = 5
const	TYPE_POLL = 6
const	TYPE_LM_BLOCKED_USERS = 7
const	TYPE_BOOK = 8
const	THRESHOLD = 180

Detailed Description

Class ilNotification.

Author

Jörg Lützenkirchen luetz.nosp@m.enki.nosp@m.rchen.nosp@m.@lei.nosp@m.fos.c.nosp@m.om

Id

class.ilObjExerciseGUI.php 24003 2010-05-26 14:35:42Z akill

ilNotification:

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

Member Function Documentation

getNotificationsForObject()

static ilNotification::getNotificationsForObject (   $type,   $id,   $page_id = null,   $ignore_threshold = false  )

static

Get all users for given object.

Parameters

int	$type
int	$id
int	$page_id
bool	$ignore_threshold

Returns

array

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

References $DIC, $id, $ilDB, $row, $tree, $type, ilObject\_getAllReferences(), ilGroupParticipants\_getInstanceByObjId(), ilCourseParticipants\_getInstanceByObjId(), ilObject\_lookupObjectId(), ilObjNotificationSettings\MODE_DEF_OFF_USER_ACTIVATION, ilObjNotificationSettings\MODE_DEF_ON_NO_OPT_OUT, and ilObjNotificationSettings\MODE_DEF_ON_OPT_OUT.

Referenced by ilObjDataCollection\doUpdate(), ilExSubmissionBaseGUI\handleNewUpload(), ilExAssTypeWikiTeam\handleNewUpload(), ilExAssignmentReminder\parseGradeReminders(), ilLMPageGUI\processAnswer(), ilWikiUtil\sendNotification(), ilObjBlog\sendNotification(), ilBookCronNotification\sendNotifications(), and ilObjPollGUI\sendNotifications().

    {
        global $DIC;

        $ilDB = $DIC->database();
        $tree = $DIC->repositoryTree();

        include_once("./Services/Notification/classes/class.ilObjNotificationSettings.php");

        // currently done for blog
        $recipients = array();
        $setting = new ilObjNotificationSettings($id);
        if ($setting->getMode() != ilObjNotificationSettings::MODE_DEF_OFF_USER_ACTIVATION) {
            foreach (ilObject::_getAllReferences($id) as $ref_id) {
                $grp_ref_id = $tree->checkForParentType($ref_id, 'grp');
                if ($grp_ref_id > 0) {
                    include_once("./Modules/Group/classes/class.ilGroupParticipants.php");
                    $p = ilGroupParticipants::_getInstanceByObjId(ilObject::_lookupObjectId($grp_ref_id));
                    foreach ($p->getMembers() as $user_id) {
                        if (!in_array($user_id, $recipients)) {
                            $recipients[$user_id] = $user_id;
                        }
                    }
                }
                $crs_ref_id = $tree->checkForParentType($ref_id, 'crs');
                if ($crs_ref_id > 0) {
                    include_once("./Modules/Course/classes/class.ilCourseParticipants.php");
                    $p = ilCourseParticipants::_getInstanceByObjId(ilObject::_lookupObjectId($crs_ref_id));
                    foreach ($p->getMembers() as $user_id) {
                        if (!in_array($user_id, $recipients)) {
                            $recipients[$user_id] = $user_id;
                        }
                    }
                }
            }
        }

        // remove all users that deactivated the feature
        if ($setting->getMode() == ilObjNotificationSettings::MODE_DEF_ON_OPT_OUT) {
            $sql = "SELECT user_id FROM notification" .
                " WHERE type = " . $ilDB->quote($type, "integer") .
                " AND id = " . $ilDB->quote($id, "integer") .
                " AND activated = " . $ilDB->quote(0, "integer") .
                " AND " . $ilDB->in("user_id", $recipients, false, "integer");
            $set = $ilDB->query($sql);
            while ($rec = $ilDB->fetchAssoc($set)) {
                unset($recipients[$rec["user_id"]]);
            }
        }

        // remove all users that got a mail
        if ($setting->getMode() != ilObjNotificationSettings::MODE_DEF_OFF_USER_ACTIVATION && !$ignore_threshold) {
            $sql = "SELECT user_id FROM notification" .
                " WHERE type = " . $ilDB->quote($type, "integer") .
                " AND id = " . $ilDB->quote($id, "integer") .
                " AND activated = " . $ilDB->quote(1, "integer") .
                " AND " . $ilDB->in("user_id", $recipients, false, "integer");
            $sql .= " AND (last_mail > " . $ilDB->quote(date(
                "Y-m-d H:i:s",
                strtotime("-" . self::THRESHOLD . "minutes")
            ), "timestamp");
            if ($page_id) {
                $sql .= " AND page_id = " . $ilDB->quote($page_id, "integer");
            }
            $sql .= ")";

            $set = $ilDB->query($sql);
            while ($rec = $ilDB->fetchAssoc($set)) {
                unset($recipients[$rec["user_id"]]);
            }
        }

        // get single subscriptions
        if ($setting->getMode() != ilObjNotificationSettings::MODE_DEF_ON_NO_OPT_OUT) {
            $sql = "SELECT user_id FROM notification" .
                " WHERE type = " . $ilDB->quote($type, "integer") .
                " AND id = " . $ilDB->quote($id, "integer") .
                " AND activated = " . $ilDB->quote(1, "integer");
            if (!$ignore_threshold) {
                $sql .= " AND (last_mail < " . $ilDB->quote(date(
                    "Y-m-d H:i:s",
                    strtotime("-" . self::THRESHOLD . "minutes")
                ), "timestamp") .
                    " OR last_mail IS NULL";
                if ($page_id) {
                    $sql .= " OR page_id <> " . $ilDB->quote($page_id, "integer");
                }
                $sql .= ")";
            }
            $set = $ilDB->query($sql);
            while ($row = $ilDB->fetchAssoc($set)) {
                $recipients[$row["user_id"]] = $row["user_id"];
            }
        }

        return $recipients;
    }

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hasNotification()

static ilNotification::hasNotification (   $type,   $user_id,   $id  )

static

Check notification status for object and user.

Parameters

int	$type
int	$user_id
int	$id

Returns

bool

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

References $DIC, $id, $ilDB, $tree, $type, ilObject\_getAllReferences(), ilGroupParticipants\_isParticipant(), ilParticipants\_isParticipant(), ilObjNotificationSettings\MODE_DEF_OFF_USER_ACTIVATION, ilObjNotificationSettings\MODE_DEF_ON_NO_OPT_OUT, and ilObjNotificationSettings\MODE_DEF_ON_OPT_OUT.

Referenced by ilWikiPageGUI\addHeaderAction(), ilObjDataCollectionGUI\addHeaderAction(), ilObjExerciseGUI\getEditFormCustomValues(), ilPollBlockGUI\getHTML(), ilObjContentObjectGUI\getPropertiesFormValues(), ilObjBookingPoolGUI\initHeaderAction(), and ilObjBlogGUI\initHeaderAction().

    {
        global $DIC;

        $ilDB = $DIC->database();
        $tree = $DIC->repositoryTree();

        $notification = false;

        include_once("./Services/Notification/classes/class.ilObjNotificationSettings.php");
        $setting = new ilObjNotificationSettings($id);
        if ($setting->getMode() != ilObjNotificationSettings::MODE_DEF_OFF_USER_ACTIVATION) {
            // check membership, members should be notidifed...
            foreach (ilObject::_getAllReferences($id) as $ref_id) {
                $grp_ref_id = $tree->checkForParentType($ref_id, 'grp');
                if ($grp_ref_id > 0) {
                    include_once("./Modules/Group/classes/class.ilGroupParticipants.php");
                    if (ilGroupParticipants::_isParticipant($grp_ref_id, $user_id)) {
                        $notification = true;
                    }
                }
                $crs_ref_id = $tree->checkForParentType($ref_id, 'crs');
                if ($crs_ref_id > 0) {
                    include_once("./Modules/Course/classes/class.ilCourseParticipants.php");
                    if (ilCourseParticipants::_isParticipant($crs_ref_id, $user_id)) {
                        $notification = true;
                    }
                }
            }

            if ($notification && $setting->getMode() == ilObjNotificationSettings::MODE_DEF_ON_OPT_OUT) {
                $set = $ilDB->query("SELECT user_id FROM notification" .
                    " WHERE type = " . $ilDB->quote($type, "integer") .
                    " AND user_id = " . $ilDB->quote($user_id, "integer") .
                    " AND id = " . $ilDB->quote($id, "integer") .
                    " AND activated = " . $ilDB->quote(0, "integer"));
                $rec = $ilDB->fetchAssoc($set);
                // ... except when the opted out
                if ($rec["user_id"] == $user_id) {
                    return false;
                }
                return true;
            }

            if ($notification && $setting->getMode() == ilObjNotificationSettings::MODE_DEF_ON_NO_OPT_OUT) {
                return true;
            }
        }


        $set = $ilDB->query("SELECT user_id FROM notification" .
            " WHERE type = " . $ilDB->quote($type, "integer") .
            " AND user_id = " . $ilDB->quote($user_id, "integer") .
            " AND id = " . $ilDB->quote($id, "integer") .
            " AND activated = " . $ilDB->quote(1, "integer"));

        return (bool) $ilDB->numRows($set);
    }

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hasOptOut()

static ilNotification::hasOptOut (   $obj_id )

static

Is opt out (disable notification) allowed?

Parameters

int

$obj_id

Returns

bool

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

References ilObjNotificationSettings\MODE_DEF_ON_NO_OPT_OUT.

Referenced by ilWikiPageGUI\addHeaderAction(), and ilObjBlogGUI\initHeaderAction().

    {
        include_once("./Services/Notification/classes/class.ilObjNotificationSettings.php");
        $setting = new ilObjNotificationSettings($obj_id);
        if ($setting->getMode() == ilObjNotificationSettings::MODE_DEF_ON_NO_OPT_OUT) {
            return false;
        }
        return true;
    }

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removeForObject()

static ilNotification::removeForObject (   $type,   $id  )

static

Remove all notifications for given object.

Parameters

int	$type
int	$id

Definition at line 274 of file class.ilNotification.php.

References $DIC, $id, $ilDB, and $type.

Referenced by ilObjExercise\delete(), ilWikiPage\delete(), ilObjWiki\delete(), and ilObjBlog\doDelete().

    {
        global $DIC;

        $ilDB = $DIC->database();

        $ilDB->query("DELETE FROM notification" .
                " WHERE type = " . $ilDB->quote($type, "integer") .
                " AND id = " . $ilDB->quote($id, "integer"));
    }

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removeForUser()

static ilNotification::removeForUser (   $user_id )

static

Remove all notifications for given user.

Parameters

int

$user_id

Definition at line 290 of file class.ilNotification.php.

References $DIC, and $ilDB.

Referenced by ilObjUser\delete().

    {
        global $DIC;

        $ilDB = $DIC->database();

        $ilDB->query("DELETE FROM notification" .
                " WHERE user_id = " . $ilDB->quote($user_id, "integer"));
    }

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setNotification()

static ilNotification::setNotification (   $type,   $user_id,   $id,   $status = true  )

static

Set notification status for object and user.

Parameters

int	$type
int	$user_id
int	$id
bool	$status

Definition at line 226 of file class.ilNotification.php.

References $DIC, $id, $ilDB, and $type.

Referenced by ilWikiPageGUI\executeCommand(), ilObjBookingPoolGUI\saveNotificationObject(), ilObjContentObjectGUI\saveProperties(), ilObjBlogGUI\setNotification(), ilObjPollGUI\subscribe(), ilObjDataCollectionGUI\toggleNotification(), ilObjBibliographicGUI\toggleNotification(), ilObjPollGUI\unsubscribe(), and ilObjExerciseGUI\updateCustom().

    {
        global $DIC;

        $ilDB = $DIC->database();

        $fields = array(
            "type" => array("integer", $type),
            "user_id" => array("integer", $user_id),
            "id" => array("integer", $id)
        );
        $ilDB->replace("notification", $fields, array("activated" => array("integer", (int) $status)));
    }

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updateNotificationTime()

static ilNotification::updateNotificationTime (   $type,   $id, array  $user_ids,   $page_id = false  )

static

Update the last mail timestamp for given object and users.

Parameters

int	$type
int	$id
array	$user_ids
int	$page_id

Definition at line 248 of file class.ilNotification.php.

References $DIC, $id, $ilDB, and $type.

Referenced by ilObjDataCollection\doUpdate(), ilWikiUtil\sendNotification(), ilObjBlog\sendNotification(), and ilObjPollGUI\sendNotifications().

    {
        global $DIC;

        $ilDB = $DIC->database();

        $sql = "UPDATE notification" .
                " SET last_mail = " . $ilDB->quote(date("Y-m-d H:i:s"), "timestamp");

        if ($page_id) {
            $sql .= ", page_id = " . $ilDB->quote($page_id, "integer");
        }

        $sql .= " WHERE type = " . $ilDB->quote($type, "integer") .
                " AND id = " . $ilDB->quote($id, "integer") .
                " AND " . $ilDB->in("user_id", $user_ids, false, "integer");

        $ilDB->query($sql);
    }

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Field Documentation

THRESHOLD

const ilNotification::THRESHOLD = 180

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

TYPE_BLOG

const ilNotification::TYPE_BLOG = 4

Definition at line 20 of file class.ilNotification.php.

Referenced by ilObjBlog\doDelete(), ilObjBlogGUI\initHeaderAction(), ilObjBlog\sendNotification(), and ilObjBlogGUI\setNotification().

TYPE_BOOK

const ilNotification::TYPE_BOOK = 8

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

Referenced by ilObjBookingPoolGUI\initHeaderAction(), ilObjBookingPoolGUI\saveNotificationObject(), and ilBookCronNotification\sendNotifications().

TYPE_DATA_COLLECTION

const ilNotification::TYPE_DATA_COLLECTION = 5

Definition at line 21 of file class.ilNotification.php.

Referenced by ilObjDataCollectionGUI\addHeaderAction(), ilObjDataCollection\doUpdate(), ilObjDataCollectionGUI\toggleNotification(), and ilObjBibliographicGUI\toggleNotification().

TYPE_EXERCISE_SUBMISSION

const ilNotification::TYPE_EXERCISE_SUBMISSION = 1

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

Referenced by ilObjExercise\delete(), ilObjExerciseGUI\getEditFormCustomValues(), ilExSubmissionBaseGUI\handleNewUpload(), ilExAssTypeWikiTeam\handleNewUpload(), ilExAssignmentReminder\parseGradeReminders(), and ilObjExerciseGUI\updateCustom().

TYPE_LM_BLOCKED_USERS

const ilNotification::TYPE_LM_BLOCKED_USERS = 7

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

Referenced by ilObjContentObjectGUI\getPropertiesFormValues(), ilLMPageGUI\processAnswer(), and ilObjContentObjectGUI\saveProperties().

TYPE_POLL

const ilNotification::TYPE_POLL = 6

Definition at line 22 of file class.ilNotification.php.

Referenced by ilPollBlockGUI\getHTML(), ilObjPollGUI\sendNotifications(), ilObjPollGUI\subscribe(), and ilObjPollGUI\unsubscribe().

TYPE_WIKI

const ilNotification::TYPE_WIKI = 2

Definition at line 18 of file class.ilNotification.php.

Referenced by ilWikiPageGUI\addHeaderAction(), ilWikiPage\create(), ilObjWiki\delete(), ilWikiPageGUI\executeCommand(), and ilWikiUtil\sendNotification().

TYPE_WIKI_PAGE

const ilNotification::TYPE_WIKI_PAGE = 3

Definition at line 19 of file class.ilNotification.php.

Referenced by ilWikiPageGUI\addHeaderAction(), ilWikiPage\delete(), ilWikiPageGUI\executeCommand(), ilWikiPageGUI\observeNoteAction(), ilWikiUtil\sendNotification(), and ilWikiPage\update().

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

• Services/Notification/classes/class.ilNotification.php