lantrinh1999 · March 17, 2021 06:20 · Aug 9, 2020
diff --git a/Category.php b/Category.php
@@ -0,0 +1,15 @@
+<?php 
+class Category extends Model
+{
+
+    public function categories()
+    {
+        return $this->hasMany(Category::class);
+    }
+
+    public function childrenCategories()
+    {
+        return $this->hasMany(Category::class)->with('categories');
+    }
+
+}
diff --git a/caregories.blade.php b/caregories.blade.php
@@ -0,0 +1,10 @@
+<ul>
+    @foreach ($categories as $category)
+        <li>{{ $category->name }}</li>
+        <ul>
+        @foreach ($category->childrenCategories as $childCategory)
+            @include('subcategories', ['child_category' => $childCategory])
+        @endforeach
+        </ul>
+    @endforeach
+</ul>
diff --git a/create_categories_table.php b/create_categories_table.php
@@ -0,0 +1,7 @@
+Schema::create('categories', function (Blueprint $table) {
+    $table->bigIncrements('id');
+    $table->string('name');
+    $table->unsignedBigInteger('category_id')->nullable();
+    $table->foreign('category_id')->references('id')->on('categories');
+    $table->timestamps();
+});
diff --git a/subcategories.blade.php b/subcategories.blade.php
@@ -0,0 +1,8 @@
+<li>{{ $child_category->name }}</li>
+@if ($child_category->categories)
+    <ul>
+        @foreach ($child_category->categories as $childCategory)
+            @include('child_category', ['child_category' => $childCategory])
+        @endforeach
+    </ul>
+@endif