complete Complete User Request Submission section RAD-1

app/Models/Medium.php

@@ -0,0 +1,113 @@
+<?php
+
+namespace App\Models;
+
+use App\Enums\MediaDiskEnum;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Facades\Storage;
+
+class Medium extends Model
+{
+    use HasFactory;
+    protected $fillable = [
+        'filename',
+        'disk',
+        'path',
+        'size',
+        'url',
+        'mime_type'
+    ];
+
+    protected $casts = [
+        'disk' => MediaDiskEnum::class,
+    ];
+
+    public function getFullUrlAttribute()
+    {
+        if ($this->disk === MediaDiskEnum::Public) {
+            return Storage::disk('public')->path($this->path);
+        }elseif($this->disk === MediaDiskEnum::Private){
+            return Storage::disk('private')->path($this->path);
+        }
+
+        return $this->url ?? null;
+    }
+
+    public function getStorageDisk()
+    {
+        return Storage::disk($this->disk?->value ?? 'public');
+    }
+
+    public function exists()
+    {
+        return $this->getStorageDisk()->exists($this->path);
+    }
+
+    public function getContents()
+    {
+        return $this->getStorageDisk()->get($this->path);
+    }
+
+    public function deleteFile()
+    {
+        if ($this->exists()) {
+            return $this->getStorageDisk()->delete($this->path);
+        }
+        return false;
+    }
+
+    public function getHumanSizeAttribute()
+    {
+        $bytes = $this->size;
+        $units = ['B', 'KB', 'MB', 'GB', 'TB'];
+
+        for ($i = 0; $bytes > 1024 && $i < count($units) - 1; $i++) {
+            $bytes /= 1024;
+        }
+
+        return round($bytes, 2) . ' ' . $units[$i];
+    }
+
+    public function isPublic()
+    {
+        return $this->disk === MediaDiskEnum::Public;
+    }
+
+    public function isPrivate()
+    {
+        return $this->disk === MediaDiskEnum::Private;
+    }
+
+    public function assignments()
+    {
+        return $this->hasMany(MediaAssignment::class , 'media_id' , 'id');
+    }
+
+    public function reports()
+    {
+        return $this->morphedByMany(
+            \App\Models\Report::class,
+            'mediable',
+            'media_assignments',
+            'media_id',
+            'mediable_id'
+        );
+    }
+
+    public function documents()
+    {
+        return $this->morphedByMany(
+            \App\Models\Document::class,
+            'mediable',
+            'media_assignments',
+            'media_id',
+            'mediable_id'
+        );
+    }
+
+    public function users()
+    {
+        return $this->hasMany(User::class , 'media_id' , 'id');
+    }
+}