Initial commit

app/Models/IssueAttachment.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Support\Facades\Storage;
+
+class IssueAttachment extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'issue_id',
+        'user_id',
+        'file_name',
+        'file_path',
+        'file_size',
+        'mime_type',
+    ];
+
+    public function issue(): BelongsTo
+    {
+        return $this->belongsTo(Issue::class);
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function getFileSizeHumanAttribute(): string
+    {
+        $bytes = $this->file_size;
+        $units = ['B', 'KB', 'MB', 'GB'];
+
+        for ($i = 0; $bytes > 1024 && $i < count($units) - 1; $i++) {
+            $bytes /= 1024;
+        }
+
+        return round($bytes, 2) . ' ' . $units[$i];
+    }
+
+    public function getDownloadUrlAttribute(): string
+    {
+        return route('admin.issues.attachments.download', $this);
+    }
+
+    protected static function boot()
+    {
+        parent::boot();
+
+        static::deleting(function ($attachment) {
+            // Delete file from storage when attachment record is deleted
+            if (Storage::exists($attachment->file_path)) {
+                Storage::delete($attachment->file_path);
+            }
+        });
+    }
+}