Initial commit

app/Models/TeachingArrangement.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class TeachingArrangement extends Model
+{
+    protected $fillable = [
+        'teacher_id',
+        'subject_id',
+        'weekday',
+        'start_time',
+        'duration_minutes',
+        'is_group',
+        'max_students',
+        'location_id',
+        'fee_policy',
+        'active',
+    ];
+
+    /**
+     * The teacher running this arrangement.
+     */
+    public function teacher(): BelongsTo
+    {
+        return $this->belongsTo(TeacherProfile::class, 'teacher_id');
+    }
+
+    /**
+     * The subject being taught.
+     */
+    public function subject(): BelongsTo
+    {
+        return $this->belongsTo(Subject::class, 'subject_id');
+    }
+
+    /**
+     * Where the session takes place (room, online, etc.)
+     */
+    public function location(): BelongsTo
+    {
+        return $this->belongsTo(Location::class, 'location_id');
+    }
+
+    /**
+     * Students assigned to this arrangement.
+     */
+    public function students(): HasMany
+    {
+        return $this->hasMany(TeachingArrangementStudent::class, 'teaching_arrangement_id');
+    }
+
+    /**
+     * Attendance records generated from this arrangement.
+     */
+    public function attendance(): HasMany
+    {
+        return $this->hasMany(LessonAttendance::class, 'teaching_arrangement_id');
+    }
+}