Initial commit

app/Models/LessonAttendance.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasOne;
+
+class LessonAttendance extends Model
+{
+    protected $fillable = [
+        'teaching_arrangement_id',
+        'student_teacher_subject_id',
+        'scheduled_start',
+        'scheduled_end',
+        'actual_start',
+        'actual_end',
+        'week_of_year',
+        'status',
+        'billable',
+        'payable',
+        'notes',
+    ];
+
+    /**
+     * The scheduled arrangement this attendance record belongs to.
+     */
+    public function arrangement(): BelongsTo
+    {
+        return $this->belongsTo(TeachingArrangement::class, 'teaching_arrangement_id');
+    }
+
+    /**
+     * The student–teacher–subject relationship for this attendance.
+     */
+    public function studentTeacherSubject(): BelongsTo
+    {
+        return $this->belongsTo(StudentTeacherSubject::class, 'student_teacher_subject_id');
+    }
+
+    /**
+     * Invoice item generated from this attendance (if billed).
+     */
+    public function invoiceItem(): HasOne
+    {
+        return $this->hasOne(InvoiceItem::class, 'attendance_id');
+    }
+
+    /**
+     * Teacher pay record generated from this attendance (if payable).
+     */
+    public function payItem(): HasOne
+    {
+        return $this->hasOne(TeacherPayItem::class, 'attendance_id');
+    }
+}