Added Documentation

Documentation/Models/DocumentationAttachment.php

@@ -0,0 +1,69 @@
+<?php
+
+namespace Modules\Documentation\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+/**
+ * @property int $id
+ * @property int $documentation_document_id
+ * @property string $disk
+ * @property string $path
+ * @property string $original_name
+ * @property string|null $mime_type
+ * @property int|null $size
+ */
+class DocumentationAttachment extends Model
+{
+    use HasFactory;
+
+    /** @var list<string> */
+    protected $fillable = [
+        'documentation_document_id',
+        'disk',
+        'path',
+        'original_name',
+        'mime_type',
+        'size',
+        'uploaded_by',
+    ];
+
+    /** @var array<string, string> */
+    protected $casts = [
+        'size' => 'integer',
+    ];
+
+    /**
+     * Owning document.
+     *
+     * @return BelongsTo<DocumentationDocument, DocumentationAttachment>
+     */
+    public function document(): BelongsTo
+    {
+        return $this->belongsTo(DocumentationDocument::class, 'documentation_document_id');
+    }
+
+    /**
+     * Return a readable file size label.
+     */
+    public function getSizeLabelAttribute(): string
+    {
+        $bytes = (int) $this->size;
+
+        if ($bytes <= 0) {
+            return 'Unknown size';
+        }
+
+        if ($bytes < 1024) {
+            return $bytes . ' B';
+        }
+
+        if ($bytes < 1048576) {
+            return number_format($bytes / 1024, 1) . ' KB';
+        }
+
+        return number_format($bytes / 1048576, 1) . ' MB';
+    }
+}