move notification API and UI from shipping portal

app/Models/AbstractModel.php

@@ -3,11 +3,37 @@
 namespace App\Models;
 
 
+use App\Classes\General\Interfaces\Notifiable;
 use Illuminate\Database\Eloquent\Model;
 use Spatie\Activitylog\Traits\LogsActivity;
+use Illuminate\Database\Eloquent\Relations\MorphTo;
 
-class AbstractModel extends Model
+class AbstractModel extends Model implements Notifiable
 {
     use LogsActivity;
     protected static $logFillable  = true;
+
+    /**
+     * @return MorphTo
+     */
+    public function subject(): MorphTo
+    {
+        return $this->MorphTo('subject');
+    }
+
+    /**
+     * @return MorphTo
+     */
+    public function target(): MorphTo
+    {
+        return $this->MorphTo('target');
+    }
+
+    /**
+     * @return MorphTo
+     */
+    public function causer(): MorphTo
+    {
+        return $this->MorphTo('causer');
+    }
 }

app/Models/Notification.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class Notification extends AbstractModel
+{
+    use SoftDeletes;
+
+    protected $table = 'notifications';
+
+    public function package(): BelongsTo
+    {
+        return $this->BelongsTo(Package::class, 'package_id', 'id');
+    }
+}