加上 parent, children

database/migrations/0000_00_00_000000_update_taggable_table.php

@@ -0,0 +1,39 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class UpdateTaggableTable extends Migration
+{
+
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        $connection = config('taggable.connection');
+
+        Schema::connection($connection)->table('taggable_tags', function (Blueprint $table) {
+            $table->unsignedInteger('parent_id')->nullable();
+            $table->foreign('parent_id')->references('id')->on('taggable_tags')->onDelete('null');
+            $table->index('parent_id');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        $connection = config('taggable.connection');
+
+        Schema::connection($connection)->table('taggable_tags', function (Blueprint $table) {
+            $table->dropForeign('taggable_tags_parent_id_foreign');
+        });
+    }
+}

src/Models/Category.php

@@ -8,4 +8,14 @@ class Category extends Tag
 {
     //
     protected $table = 'taggable_tags';
+
+    public function parent()
+    {
+        return $this->belongsTo(Category::class, 'parent_id');
+    }
+
+    public function children()
+    {
+        return $this->hasMany(Category::class, 'parent_id');
+    }
 }

src/Providers/CategorizableServiceProvider.php

@@ -7,6 +7,12 @@
 
 class CategorizableServiceProvider extends ServiceProvider
 {
+    public function boot()
+    {
+        $this->loadMigrationsFrom(
+            __DIR__.'/../../database/migrations'
+        );
+    }
     public function register()
     {
         $this->app->singleton(TagService::class, UnisharpTagService::class);

tests/CategoryTest.php

@@ -4,8 +4,8 @@
 use UniSharp\Categorizable\Test\TestCase;
 use UniSharp\Categorizable\Test\TestModel;
 use UniSharp\Categorizable\Models\Category;
-use UniSharp\Categorizable\Services\TagService as UnisharpTagService;
 use Cviebrock\EloquentTaggable\Services\TagService;
+use UniSharp\Categorizable\Services\TagService as UnisharpTagService;
 
 class CategoriesTest extends TestCase
 {
@@ -96,4 +96,14 @@ public function testCategoryDeTagId()
             $this->testModel->tagList
         );
     }
+
+    public function testAssociateParent()
+    {
+        $parent = Category::create(['name' => 'parent']);
+        $child = Category::create(['name' => 'child']);
+
+        $child->parent()->associate($parent)->save();
+
+        $this->assertEquals('child', $parent->refresh()->children->first()->name);
+    }
 }

tests/TestCase.php

@@ -1,8 +1,9 @@
 <?php 
 namespace UniSharp\Categorizable\Test;
 
-use Cviebrock\EloquentTaggable\ServiceProvider;
 use Orchestra\Testbench\TestCase as Orchestra;
+use Cviebrock\EloquentTaggable\ServiceProvider;
+use UniSharp\Categorizable\Providers\CategorizableServiceProvider;
 
 abstract class TestCase extends Orchestra
 {
@@ -32,6 +33,7 @@ protected function getPackageProviders($app)
     {
         return [
             ServiceProvider::class,
+            CategorizableServiceProvider::class,
             TestServiceProvider::class,
         ];
     }