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MDL-14605 removed old stats upgrade code

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skodak
2008-05-01 22:05:26 +00:00
parent 7a3fafb6b4
commit 9a915276fc
1 changed files with 0 additions and 242 deletions
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lib/statslib.php
-242
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@@ -1417,246 +1417,4 @@ function stats_check_uptodate($courseid=0) {
return get_string('statscatchupmode','error',$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;
}
?>