add refund logic and fix books inventory logic

app/Controllers/Administrator/SchoolYearController.php

@@ -3,6 +3,7 @@
 namespace App\Controllers\Administrator;
 
 use App\Controllers\BaseController;
+use App\Models\ConfigurationModel;
 use App\Models\SchoolYearModel;
 use App\Support\SchoolYear\SchoolYearStatus;
 use Throwable;
@@ -43,6 +44,8 @@ class SchoolYearController extends BaseController
             }
         }
 
+        $configurationModel = new ConfigurationModel();
+
         return view('school_years/index', [
             'schoolYears' => $schoolYears,
             'statuses' => SchoolYearStatus::ALL,
@@ -54,6 +57,7 @@ class SchoolYearController extends BaseController
             'latestTransitions' => service('schoolYearManagement')->latestTransitionByYear(),
             'yearVerification' => $this->verificationByYear($schoolYears),
             'schoolYearNamesById' => array_column($schoolYears, 'name', 'id'),
+            'totalInstructionalWeeks' => $configurationModel->getConfigValueByKey('total_instructional_weeks'),
         ]);
     }