return get_string('statscatchupmode','error',$a);
}
-/**
- * Calculate missing course totals in stats
- */
-function stats_upgrade_totals() {
- global $CFG;
-
- if (empty($CFG->statsrolesupgraded)) {
- // stats not yet upgraded to cope with roles...
- return;
- }
-
- $types = array('daily', 'weekly', 'monthly');
-
- $now = time();
- $y30 = 60*60*24*365*30; // 30 years ago :-O
- $y20 = 60*60*24*365*20; // 20 years ago :-O
- $limit = $now - $y20;
-
- foreach ($types as $i => $type) {
- $type2 = $types[($i+1) % count($types)];
-
- // delete previous incomplete data
- $sql = "DELETE FROM {$CFG->prefix}stats_$type2
- WHERE timeend < $limit";
- execute_sql($sql);
-
- // clear the totals if already exist
- $sql = "DELETE FROM {$CFG->prefix}stats_$type
- WHERE (stattype = 'enrolments' OR stattype = 'activity') AND
- roleid = 0";
- execute_sql($sql);
-
- $sql = "INSERT INTO {$CFG->prefix}stats_$type2 (stattype, timeend, courseid, roleid, stat1, stat2)
-
- SELECT stattype, (timeend - $y30), courseid, 0, SUM(stat1), SUM(stat2)
- FROM {$CFG->prefix}stats_$type
- WHERE (stattype = 'enrolments' OR stattype = 'activity') AND
- roleid <> 0
- GROUP BY stattype, timeend, courseid";
- execute_sql($sql);
-
- $sql = "INSERT INTO {$CFG->prefix}stats_$type (stattype, timeend, courseid, roleid, stat1, stat2)
-
- SELECT stattype, (timeend + $y30), courseid, roleid, stat1, stat2
- FROM {$CFG->prefix}stats_$type2
- WHERE (stattype = 'enrolments' OR stattype = 'activity') AND
- roleid = 0 AND timeend < $y20";
- execute_sql($sql);
-
- $sql = "DELETE FROM {$CFG->prefix}stats_$type2
- WHERE timeend < $limit";
- execute_sql($sql);
- }
-}
-
-
-function stats_upgrade_for_roles_wrapper() {
- global $CFG;
- if (!empty($CFG->statsrolesupgraded)) {
- return true;
- }
-
- $result = begin_sql();
-
- $result = $result && stats_upgrade_user_table_for_roles('daily');
- $result = $result && stats_upgrade_user_table_for_roles('weekly');
- $result = $result && stats_upgrade_user_table_for_roles('monthly');
-
- $result = $result && stats_upgrade_table_for_roles('daily');
- $result = $result && stats_upgrade_table_for_roles('weekly');
- $result = $result && stats_upgrade_table_for_roles('monthly');
-
-
- $result = $result && commit_sql();
-
- if (!empty($result)) {
- set_config('statsrolesupgraded',time());
- }
-
- // finally upgade totals, no big deal if it fails
- stats_upgrade_totals();
-
- return $result;
-}
-
-/**
- * Upgrades a prefix_stats_user_* table for the new role based permission
- * system.
- *
- * @param string $period daily, weekly or monthly: the stat period to upgrade
- * @return boolean @todo maybe something else (error message) depending on
- * how this will be called.
- */
-function stats_upgrade_user_table_for_roles($period) {
- global $CFG;
- static $teacher_role_id, $student_role_id;
-
- if (!in_array($period, array('daily', 'weekly', 'monthly'))) {
- error_log('stats upgrade: invalid period: ' . $period);
- return false;
- }
-
- if (!$teacher_role_id) {
- $role = get_roles_with_capability('moodle/legacy:editingteacher', CAP_ALLOW);
- $role = array_keys($role);
- $teacher_role_id = $role[0];
- $role = get_roles_with_capability('moodle/legacy:student', CAP_ALLOW);
- $role = array_keys($role);
- $student_role_id = $role[0];
- }
-
- if (empty($teacher_role_id) || empty($student_role_id)) {
- error_log("Couldn't find legacy roles for teacher or student");
- return false;
- }
-
- $status = true;
-
- $status = $status && execute_sql("UPDATE {$CFG->prefix}stats_user_{$period}
- SET roleid = $teacher_role_id
- WHERE roleid = 1");
- $status = $status && execute_sql("UPDATE {$CFG->prefix}stats_user_{$period}
- SET roleid = $student_role_id
- WHERE roleid = 2");
-
- return $status;
-}
-
-/**
- * Upgrades a prefix_stats_* table for the new role based permission system.
- *
- * @param string $period daily, weekly or monthly: the stat period to upgrade
- * @return boolean @todo depends on how this will be called
- */
-function stats_upgrade_table_for_roles ($period) {
- global $CFG;
- static $teacher_role_id, $student_role_id;
-
- if (!in_array($period, array('daily', 'weekly', 'monthly'))) {
- return false;
- }
-
- if (!$teacher_role_id) {
- $role = get_roles_with_capability('moodle/legacy:editingteacher', CAP_ALLOW);
- $role = array_keys($role);
- $teacher_role_id = $role[0];
- $role = get_roles_with_capability('moodle/legacy:student', CAP_ALLOW);
- $role = array_keys($role);
- $student_role_id = $role[0];
- }
-
- if (empty($teacher_role_id) || empty($student_role_id)) {
- error_log("Couldn't find legacy roles for teacher or student");
- return false;
- }
-
- execute_sql("CREATE TABLE {$CFG->prefix}stats_{$period}_tmp AS
- SELECT * FROM {$CFG->prefix}stats_{$period}");
-
- $table = new XMLDBTable('stats_' . $period);
- if (!drop_table($table)) {
- return false;
- }
-
- // Create a new stats table
- // @todo this definition I have made blindly by looking at how definitions are
- // made, it needs work to make sure it works properly
- require_once("$CFG->libdir/xmldb/classes/XMLDBTable.class.php");
-
- $table = new XMLDBTable('stats_' . $period);
- $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED,
- XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
-
- $table->addFieldInfo('courseid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED,
- XMLDB_NOTNULL, null, null, null, null);
-
- $table->addFieldInfo('roleid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED,
- XMLDB_NOTNULL, null, null, null, null);
- $table->addFieldInfo('timeend', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED,
- XMLDB_NOTNULL, null, null, null, null);
- $table->addFieldInfo('stattype', XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL,
- null, XMLDB_ENUM, array('enrolments', 'activity', 'logins'), 'activity');
- $table->addFieldInfo('stat1', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED,
- XMLDB_NOTNULL, null, null, null, null);
- $table->addFieldInfo('stat2', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED,
- XMLDB_NOTNULL, null, null, null, null);
-
- /// Adding keys to table stats_daily
- $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
-
- /// Adding indexes to table stats_daily
- $table->addIndexInfo('courseid', XMLDB_INDEX_NOTUNIQUE, array('courseid'));
- $table->addIndexInfo('timeend', XMLDB_INDEX_NOTUNIQUE, array('timeend'));
- $table->addIndexInfo('roleid', XMLDB_INDEX_NOTUNIQUE, array('roleid'));
-
- if (!create_table($table)) {
- return false;
- }
-
- //
- // Now insert the data from the temporary table into the new one
- //
-
- // Student enrolments
- execute_sql("INSERT INTO {$CFG->prefix}stats_{$period}
- (courseid, roleid, timeend, stattype, stat1, stat2)
- SELECT courseid, $student_role_id, timeend, 'enrolments', students, activestudents
- FROM {$CFG->prefix}stats_{$period}_tmp");
-
- // Teacher enrolments
- execute_sql("INSERT INTO {$CFG->prefix}stats_{$period}
- (courseid, roleid, timeend, stattype, stat1, stat2)
- SELECT courseid, $teacher_role_id, timeend, 'enrolments', teachers, activeteachers
- FROM {$CFG->prefix}stats_{$period}_tmp");
-
- // Student activity
- execute_sql("INSERT INTO {$CFG->prefix}stats_{$period}
- (courseid, roleid, timeend, stattype, stat1, stat2)
- SELECT courseid, $student_role_id, timeend, 'activity', studentreads, studentwrites
- FROM {$CFG->prefix}stats_{$period}_tmp");
-
- // Teacher activity
- execute_sql("INSERT INTO {$CFG->prefix}stats_{$period}
- (courseid, roleid, timeend, stattype, stat1, stat2)
- SELECT courseid, $teacher_role_id, timeend, 'activity', teacherreads, teacherwrites
- FROM {$CFG->prefix}stats_{$period}_tmp");
-
- // Logins
- execute_sql("INSERT INTO {$CFG->prefix}stats_{$period}
- (courseid, roleid, timeend, stattype, stat1, stat2)
- SELECT courseid, 0, timeend, 'logins', logins, uniquelogins
- FROM {$CFG->prefix}stats_{$period}_tmp WHERE courseid = ".SITEID);
-
- // Drop the temporary table
- $table = new XMLDBTable('stats_' . $period . '_tmp');
- if (!drop_table($table)) {
- return false;
- }
-
- return true;
-}
-
?>
projects / moodle.git / commitdiff