From a9859a1e2350228a1dcfd4885f382b2df55260e2 Mon Sep 17 00:00:00 2001
From: Yannick Warnier <ywarnier@beeznest.org>
Date: Sun, 28 Jun 2020 23:58:02 +0200
Subject: [PATCH] Scripts: Update script to delete old courses

---
 .../delete_old_courses_even_not_empty.php     | 71 ++++++++++---------
 1 file changed, 37 insertions(+), 34 deletions(-)

diff --git a/tests/scripts/delete_old_courses_even_not_empty.php b/tests/scripts/delete_old_courses_even_not_empty.php
index eb41c6fd85..921fa61194 100644
--- a/tests/scripts/delete_old_courses_even_not_empty.php
+++ b/tests/scripts/delete_old_courses_even_not_empty.php
@@ -1,7 +1,8 @@
 <?php
 /**
- * This script deletes all courses created and last visited before
- * a specific date (to be edited below)
+ * This script synchronize the exercise score (track_e_exercises.exe_result)
+ * with the LP score result (lp_item_view.score).
+ * This script works only if 1 there's one attempt
  */
 
 exit;
@@ -13,10 +14,10 @@ if (PHP_SAPI !== 'cli') {
 }
 
 // The date before which the course must have been created to be considered
-$creation = '2018-12-14';
+$creation = '2019-06-14';
 // The last date at which the course must have been accessed to be considered.
 // If it was accessed *after* that date, it will NOT be considered for deletion.
-$access = '2018-12-14';
+$access = '2019-06-14';
 
 $tableExercise = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
 $tableCourse = Database::get_main_table(TABLE_MAIN_COURSE);
@@ -24,10 +25,10 @@ $tableCourse = Database::get_main_table(TABLE_MAIN_COURSE);
 $sql = "SELECT
             id, code, directory, creation_date, last_visit
         FROM $tableCourse c
-        WHERE creation_date < '$creation' AND (last_visit < '$access' OR last_visit is NULL) ".
-// Change this line to avoid deleting specifi courses
-//        "AND c.code NOT IN ('CHAMILOTEACHER', 'CHAMILOADMIN') ".
-        "ORDER by code
+        WHERE creation_date < '$creation' AND (last_visit < '$access' OR last_visit IS NULL) ". 
+// Set course codes and uncomment the next line to exclude these from deletion
+//        " AND c.code NOT IN ('CHAMILOSESSIONS1ES','CHACOBU1ESPRE','CHAPA1ESPRE','CHAPA1FRX','CHACOBU1FRX','CHAPA1ESX','CHACOBU1ESX','DESIGNCHAMILO','EXELEARNING','CHAPA1ENX','CHACOBU1ENX') ".
+        " ORDER by code
 ";
 echo $sql.PHP_EOL;
 
@@ -41,32 +42,34 @@ if (!empty($items)) {
         list($mysize, $mypath) = preg_split('/\t/', $size);
         $size = trim($mysize);
         echo "[$count] Course ".$item['code'].'('.$item['id'].') created on '.$item['creation_date'].' and last used on '.$item['last_visit'].' uses '.$size.PHP_EOL;
-        CourseManager::delete_course($item['code']);
-        // The normal procedure moves the course directory to archive, so
-        // delete it there as well
-        echo('rm -rf '.__DIR__.'/../../app/courses/'.$item['directory']).PHP_EOL;
-        exec('rm -rf '.__DIR__.'/../../app/courses/'.$item['directory']);
-        echo('rm -rf '.__DIR__.'/../../app/cache/'.$item['directory'].'_*').PHP_EOL;
-        exec('rm -rf '.__DIR__.'/../../app/cache/'.$item['directory'].'_*');
-        // The normal procedure also created a database dump, but it is
-        // stored in the course folder, so no issue there...       
-        $matches = [];
-        preg_match('/^(\d+)(\D)$/', $size, $matches);
-        switch($matches[2]) {
-            case 'K':
-                $total += $matches[1];
-                break;
-            case 'M':
-                $total += $matches[1]*1024;
-                break;
-            case 'G':
-                $total += $matches[1]*1024*1024;
-                break;
-        }
-        $count ++;
-        if ($count%100 == 0) {
-            echo '### Until now: '.$total.'K in '.$count.' courses'.PHP_EOL;
-        }
+        //if (substr($size, 0, 4) == '160K' or substr($size, 0, 4) == '9,1M') {
+            CourseManager::delete_course($item['code']);
+            // The normal procedure moves the course directory to archive, so
+            // delete it there as well
+            echo('rm -rf '.__DIR__.'/../../app/courses/'.$item['directory']).PHP_EOL;
+            exec('rm -rf '.__DIR__.'/../../app/courses/'.$item['directory']);
+            echo('rm -rf '.__DIR__.'/../../app/cache/'.$item['directory'].'_*').PHP_EOL;
+            exec('rm -rf '.__DIR__.'/../../app/cache/'.$item['directory'].'_*');
+            // The normal procedure also created a database dump, but it is
+            // stored in the course folder, so no issue there...       
+            $matches = [];
+            preg_match('/^(\d+)(\D)$/', $size, $matches);
+            switch($matches[2]) {
+                case 'K':
+                    $total += $matches[1];
+                    break;
+                case 'M':
+                    $total += $matches[1]*1024;
+                    break;
+                case 'G':
+                    $total += $matches[1]*1024*1024;
+                    break;
+            }
+            $count ++;
+            if ($count%100 == 0) {
+                echo '### Until now: '.$total.'K in '.$count.' courses'.PHP_EOL;
+            }
+        //}
     }
 }
 echo $total.'K in '.$count.' courses'.PHP_EOL;