Merge branch '1.11.x' of github.com:chamilo/chamilo-lms into 1.11.x

tests/scripts/delete_old_courses_even_not_empty.php

@@ -1,8 +1,7 @@
 <?php
 /**
- * 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
+ * This script deletes all courses created and last visited before
+ * a specific date (to be edited below)
  */
 
 exit;
@@ -14,19 +13,21 @@ if (PHP_SAPI !== 'cli') {
 }
 
 // The date before which the course must have been created to be considered
-$creation = '2013-01-01';
+$creation = '2018-12-14';
 // 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.
-$access = '2013-01-01';
+$access = '2018-12-14';
 
 $tableExercise = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
 $tableCourse = Database::get_main_table(TABLE_MAIN_COURSE);
 
 $sql = "SELECT
-            id, code, directory, db_name, creation_date, last_visit
+            id, code, directory, creation_date, last_visit
         FROM $tableCourse c
-        WHERE creation_date < '$creation' AND last_visit < '$access'
-        ORDER by code
+        WHERE creation_date < '$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
 ";
 echo $sql.PHP_EOL;
 
@@ -36,28 +37,36 @@ $total = 0;
 $count = 0;
 if (!empty($items)) {
     foreach ($items as $item) {
-        $size = exec('du -sh '.__DIR__.'/../../courses/'.$item['directory']);
-        echo "Course ".$item['code'].'('.$item['id'].') created on '.$item['creation_date'].' and last used on '.$item['last_visit'].' uses '.substr($size, 0, 8).PHP_EOL;
-        //if (substr($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__.'/../../archive/'.$item['directory'].'_*').PHP_EOL;
-            exec('rm -rf '.__DIR__.'/../../archive/'.$item['directory'].'_*');
-            // The normal procedure also created a database dump, but it is
-            // stored in the course folder, so no issue there...       
-            if (substr($size, 3, 1) == 'K') {
-                $total += substr($size, 0, 3);
-            }
-            if (substr($size, 3, 1) == 'M') {
-                //$total += ;
-                $total += substr($size, 0, 3)*1024;
-            }
-            $count ++;
-            if ($count%100 == 0) {
-                echo '### Until now: '.$total.'K in '.$count.' courses'.PHP_EOL;
-            }
-        //}
+        $size = exec('du -sh '.__DIR__.'/../../app/courses/'.$item['directory']);
+        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;
+        }
     }
 }
 echo $total.'K in '.$count.' courses'.PHP_EOL;