partial fix for teacher class progress

app/Models/SubjectCurriculum.php

@@ -10,7 +10,7 @@ class SubjectCurriculum extends BaseModel
 {
     protected $table = 'subject_curriculum_items';
 
-    protected $fillable = ['class_id', 'subject', 'unit_number', 'unit_title', 'chapter_name', 'created_at', 'updated_at'];
+    protected $fillable = ['class_id', 'school_year', 'subject', 'unit_number', 'unit_title', 'chapter_name', 'created_at', 'updated_at'];
 
     public $timestamps = true;
 
@@ -54,7 +54,11 @@ class SubjectCurriculum extends BaseModel
             return $q;
         }
 
-        return $q->where('school_year', $schoolYear);
+        return $q->where(function (Builder $yearQuery) use ($schoolYear) {
+            $yearQuery->where('school_year', $schoolYear)
+                ->orWhereNull('school_year')
+                ->orWhere('school_year', '');
+        });
     }
 
     public function scopeOrdered(Builder $q): Builder