Initial commit

app/Models/TeachingArrangementStudent.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class TeachingArrangementStudent extends Model
+{
+    protected $fillable = [
+        'teaching_arrangement_id',
+        'student_teacher_subject_id',
+    ];
+
+    /**
+     * The teaching arrangement (scheduled slot).
+     */
+    public function arrangement(): BelongsTo
+    {
+        return $this->belongsTo(TeachingArrangement::class, 'teaching_arrangement_id');
+    }
+
+    /**
+     * The student–teacher–subject relationship linked to this slot.
+     */
+    public function studentTeacherSubject(): BelongsTo
+    {
+        return $this->belongsTo(StudentTeacherSubject::class, 'student_teacher_subject_id');
+    }
+}