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95 lines
4.2 KiB
95 lines
4.2 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* This script removes old tracking records from the database.
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* It uses parameters in order (all mandatory but the last one).
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* Delete the exit; statement at line 13.
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* This script should be located inside the tests/scripts/ folder to work
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* @author Yannick Warnier <yannick.warnier@beeznest.com>
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*/
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exit;
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require __DIR__.'/../../main/inc/global.inc.php';
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$simulate = false;
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// Process script parameters
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if (PHP_SAPI !== 'cli') {
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die('This script can only be executed from the command line');
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}
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if (!empty($argv[1]) && $argv[1] == '--from') {
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$from = $argv[2];
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}
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if (!empty($argv[3]) && $argv[3] == '--until') {
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$until = $argv[4];
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}
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if (!empty($argv[5]) && $argv[5] == '-s') {
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$simulate = true;
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echo "Simulation mode is enabled".PHP_EOL;
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}
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if (empty($from) or empty($until)) {
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echo PHP_EOL."Usage: sudo php ".basename(__FILE__)." [options]".PHP_EOL;
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echo "Where [options] can be ".PHP_EOL;
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echo " --from yyyy-mm-dd Date from which the content should be removed (e.g. 2017-08-31)".PHP_EOL.PHP_EOL;
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echo " --until yyyy-mm-dd Date up to which the content should be removed (e.g. 2020-08-31)".PHP_EOL.PHP_EOL;
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echo " -s (optional) Simulate execution - Do not delete anything, just show numbers".PHP_EOL.PHP_EOL;
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die('Please make sure --from and --until are defined.');
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}
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echo "About to delete tracking records from $from to $until".PHP_EOL;
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// list of tables with their date field
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$fields = [
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Database::get_main_table(TABLE_STATISTIC_TRACK_E_ACCESS) => 'access_date',
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//Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT) => 'tms',
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//track_e_attempt_coeff ?
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Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT_RECORDING) => 'insert_date',
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Database::get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS) => 'login_course_date',
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Database::get_main_table(TABLE_STATISTIC_TRACK_E_DEFAULT) => 'default_date',
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Database::get_main_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS) => 'down_date',
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//Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES) => 'exe_date',
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//Database::get_main_table(TABLE_STATISTIC_TRACK_E_HOTPOTATOES) => 'exe_date',
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//Database::get_main_table(TABLE_STATISTIC_TRACK_E_HOTSPOT) => '#linked to exe_id#',
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Database::get_main_table(TABLE_STATISTIC_TRACK_E_ITEM_PROPERTY) => 'lastedit_date',
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Database::get_main_table(TABLE_STATISTIC_TRACK_E_LASTACCESS) => 'access_date',
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Database::get_main_table(TABLE_STATISTIC_TRACK_E_LINKS) => 'links_date',
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Database::get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN) => 'login_date',
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Database::get_main_table(TABLE_STATISTIC_TRACK_E_ONLINE) => 'login_date',
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//Database::get_main_table(TABLE_STATISTIC_TRACK_E_OPEN) => 'open_date',
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Database::get_main_table(TABLE_STATISTIC_TRACK_E_UPLOADS) => 'upload_date',
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//track_stored_values
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//track_stored_values_stack
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];
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echo deleteTracking($from, $until, $fields, $simulate);
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/**
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* Delete all data from the tracking tables between the given dates and return a log string.
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* @param string $from 'yyyy-mm-dd' format date from which to start deleting
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* @param string $until 'yyyy-mm-dd' format date until which to delete
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* @param array $fields An array with the list of tables and their date field
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* @param bool $simulate True if we only want to simulate the deletion and collect data
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* @return string
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*/
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function deleteTracking(string $from, string $until, array $fields, bool $simulate): string
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{
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$log = '';
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$size = 0;
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if ($simulate) {
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$log .= 'Simulation mode ON'.PHP_EOL;
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}
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foreach ($fields as $table => $field) {
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$sql = "SELECT count(*) as countrows FROM $table WHERE $field > '$from 00:00:00' AND $field < '$until 23:59:59'";
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$query = Database::query($sql);
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$count = Database::result($query, 0, 'countrows');
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$size += $count;
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$log .= 'About to delete '.$count.' records from '.$table.'.'.PHP_EOL;
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$sql = "DELETE FROM $table WHERE $field > '$from 00:00:00' AND $field < '$until 23:59:59'";
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$log .= $sql.PHP_EOL;
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if (!$simulate) {
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Database::query($sql);
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}
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}
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$log .= 'Found '.$size.' matching records in total.'.PHP_EOL;
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return $log;
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}
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