locale + exam assign and checkout cronjob

database/migrations/2021_04_19_062743_create_exam_progress_table.php

@@ -20,7 +20,7 @@ class CreateExamProgressTable extends Migration
             $table->integer('uid')->index();
             $table->integer('torrent_id');
             $table->integer('index');
-            $table->integer('value');
+            $table->bigInteger('value');
             $table->timestamps();
             $table->index('created_at');
         });

database/migrations/2021_04_24_084104_create_exam_users_table.php

@@ -21,6 +21,7 @@ class CreateExamUsersTable extends Migration
             $table->dateTime('begin')->nullable();
             $table->dateTime('end')->nullable();
             $table->text('progress')->nullable();
+            $table->tinyInteger('is_done')->default(0);
             $table->timestamps();
         });
     }