| 2c386f82 |
1 | <?php //$Id$ |
| 2 | |
| 3 | // folowing files will be removed soon |
| 4 | require_once($CFG->dirroot.'/group/lib/basicgrouplib.php'); |
| 5 | require_once($CFG->dirroot.'/group/lib/groupinglib.php'); |
| 6 | require_once($CFG->dirroot.'/group/lib/utillib.php'); |
| 7 | require_once($CFG->dirroot.'/group/lib/legacylib.php'); |
| 8 | |
| 9 | /** |
| 10 | * Returns the groupid of a group with the name specified for the course. |
| 11 | * Group names should be unique in course |
| 12 | * @param int $courseid The id of the course |
| 13 | * @param string $name name of group (without magic quotes) |
| 14 | * @return int $groupid |
| 15 | */ |
| 16 | function groups_get_group_by_name($courseid, $name) { |
| 17 | if (!$group = get_record('groups', 'courseid', $courseid, 'name', addslashes($name))) { |
| 18 | return false; |
| 19 | } |
| 20 | |
| 21 | return $group->id; |
| 22 | } |
| 23 | |
| 24 | /** |
| 25 | * Get the group object |
| 26 | * @param groupid ID of the group. |
| 27 | * @return group object |
| 28 | */ |
| 29 | function groups_get_group($groupid) { |
| 30 | return get_record('groups', 'id', $groupid); |
| 31 | } |
| 32 | |
| 33 | /** |
| 34 | * Gets array of all groups in a specified course. |
| 35 | * @param int $courseid The id of the course. |
| 36 | * @param int $userid optional user id, returns only groups of the user. |
| 37 | * @return array | false Returns an array of the group IDs or false if no records |
| 38 | * or an error occurred. |
| 39 | */ |
| 40 | function groups_get_all_groups($courseid, $userid=0) { |
| 41 | global $CFG; |
| 42 | |
| 43 | if (empty($userdi)) { |
| 44 | return get_records('groups', 'courseid', $courseid, 'name ASC'); |
| 45 | |
| 46 | } else { |
| 47 | return get_records_sql("SELECT g.* |
| 48 | FROM {$CFG->prefix}groups g, |
| 49 | {$CFG->prefix}groups_members m |
| 50 | WHERE g.courseid = '$courseid' |
| 51 | AND g.id = m.groupid |
| 52 | AND m.userid = '$userid' |
| 53 | ORDER BY name ASC"); |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * Determines if the user is a member of the given group. |
| 59 | * |
| 60 | * @uses $USER If $userid is null, use the global object. |
| 61 | * @param int $groupid The group to check for membership. |
| 62 | * @param int $userid The user to check against the group. |
| 63 | * @return boolean True if the user is a member, false otherwise. |
| 64 | */ |
| 65 | function groups_is_member($groupid, $userid=null) { |
| 66 | global $USER; |
| 67 | |
| 68 | if (!$userid) { |
| 69 | $userid = $USER->id; |
| 70 | } |
| 71 | |
| 72 | return record_exists('groups_members', 'groupid', $groupid, 'userid', $userid); |
| 73 | } |
| 74 | |
| 75 | |
| 76 | ?> |
