Changes to import and notifications

app/Models/ActivityNotificationRead.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class ActivityNotificationRead extends Model
+{
+    //
+    protected $fillable = [
+        'user_id', 'activity_id', 'due_date', 'read_at',
+    ];
+
+    protected $casts = [
+        'due_date' => 'date',
+        'read_at' => 'datetime',
+    ];
+
+    public function user(): \Illuminate\Database\Eloquent\Relations\BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function activity(): \Illuminate\Database\Eloquent\Relations\BelongsTo
+    {
+        return $this->belongsTo(Activity::class);
+    }
+}