first commit

app/Models/SubmissionComment.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class SubmissionComment extends Model
+{
+    use HasFactory, SoftDeletes;
+
+    protected $fillable = [
+        'submission_id',
+        'user_id',
+        'body',
+        'is_internal',
+        'attachment_path',
+        'attachment_name',
+        'deleted_by',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'is_internal' => 'boolean',
+        ];
+    }
+
+    public function submission(): BelongsTo
+    {
+        return $this->belongsTo(Submission::class);
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+}