some progress

app/Models/SummaryReview.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class SummaryReview extends Model
+{
+    protected $fillable = [
+        'user_id',
+        'book_id',
+        'summary_id',
+        'rating',
+        'comment',
+    ];
+
+    public function user()
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function book()
+    {
+        return $this->belongsTo(Book::class);
+    }
+
+    public function summary()
+    {
+        return $this->belongsTo(Summary::class);
+    }
+}