Post Categories and Markdown - Wordpress-Like Blog Laravel 5.7 and Ad…

…minLTE 3 (6)

app/Category.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Category extends Model
+{
+    public function posts(){
+    	return $this->hasMany(Post::class);
+    }
+
+    public function getRouteKeyName(){
+    	return 'slug';
+    }
+}

app/Http/Controllers/BlogController.php

@@ -4,6 +4,7 @@
 
 use Illuminate\Http\Request;
 use App\Post;
+use App\Category;
 
 class BlogController extends Controller
 {
@@ -20,6 +21,18 @@ public function index(){
 		return view("blog.index", compact('posts'));
 	}
 
+	public function category(Category $category){
+		$categoryName = $category->title;
+
+		$posts = $category->posts()
+						->with('author')
+						->latestFirst()
+						->published()
+						->paginate($this->limit);
+
+		return view("blog.index", compact('posts','categoryName'));
+	}
+
 	public function show(Post $post){
 
 		return view("blog.show", compact('post'));

app/Post.php

@@ -4,11 +4,14 @@
 
 use Illuminate\Database\Eloquent\Model;
 use Carbon\Carbon;
+use GrahamCampbell\Markdown\Facades\Markdown;
 
 class Post extends Model
 {
 	protected $dates = ['published_at'];
 
+	protected $fillable = ['category_id'];
+
     public function getImageUrlAttribute($value){
 
     	$imageUrl = "";
@@ -25,10 +28,22 @@ public function author(){
 		return $this->belongsTo(User::class);
 	}
 
+	public function category(){
+	    return $this->belongsTo(Category::class);
+	}
+
 	public function getDateAttribute($value){
 		return is_null($this->published_at) ? '' : $this->published_at->diffForHumans();
 	}
 
+	public function getBodyHtmlAttribute($value){
+		return $this->body ? Markdown::convertToHtml(e($this->body)) : NULL ;
+	}
+
+	public function getExcerptHtmlAttribute($value){
+		return $this->excerpt ? Markdown::convertToHtml(e($this->excerpt)) : NULL ;
+	}
+
 	public function scopeLatestFirst($query){
 		return $query->orderBy('created_at', 'desc');
 	}

app/Providers/ComposerServiceProvider.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Providers;
+
+use Illuminate\Support\ServiceProvider;
+use App\Category;
+
+class ComposerServiceProvider extends ServiceProvider
+{
+    /**
+     * Bootstrap services.
+     *
+     * @return void
+     */
+    public function boot()
+    {
+        view()->composer('layouts.sidebar', function($view){
+            $categories = Category::with(['posts' => function($query){
+                $query->published();
+            }])->orderBy('title','asc')->get();
+
+            return $view->with('categories',$categories);
+        });
+    }
+
+    /**
+     * Register services.
+     *
+     * @return void
+     */
+    public function register()
+    {
+        //
+    }
+}

composer.json

@@ -7,6 +7,7 @@
     "require": {
         "php": "^7.1.3",
         "fideloper/proxy": "^4.0",
+        "graham-campbell/markdown": "^10.1",
         "laravel/framework": "5.6.*",
         "laravel/tinker": "^1.0"
     },

config/app.php

@@ -150,6 +150,7 @@
         /*
          * Package Service Providers...
          */
+        GrahamCampbell\Markdown\MarkdownServiceProvider::class,
 
         /*
          * Application Service Providers...
@@ -159,6 +160,7 @@
         // App\Providers\BroadcastServiceProvider::class,
         App\Providers\EventServiceProvider::class,
         App\Providers\RouteServiceProvider::class,
+        App\Providers\ComposerServiceProvider::class,
 
     ],
 
@@ -208,7 +210,7 @@
         'URL' => Illuminate\Support\Facades\URL::class,
         'Validator' => Illuminate\Support\Facades\Validator::class,
         'View' => Illuminate\Support\Facades\View::class,
-
+        'Markdown' => GrahamCampbell\Markdown\Facades\Markdown::class,
     ],
 
 ];

config/database.php

@@ -50,7 +50,7 @@
             'charset' => 'utf8mb4',
             'collation' => 'utf8mb4_unicode_ci',
             'prefix' => '',
-            'strict' => true,
+            'strict' => false,
             'engine' => null,
         ],
 

database/migrations/2018_09_12_235448_create_categories.php

@@ -0,0 +1,33 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class CreateCategories extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('categories', function (Blueprint $table) {
+            $table->increments('id');
+            $table->string('title');
+            $table->string('slug')->unique();
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('categories');
+    }
+}

database/migrations/2018_09_12_235627_alter_posts_add_category_id.php

@@ -0,0 +1,34 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class AlterPostsAddCategoryId extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('posts', function (Blueprint $table) {
+            $table->integer('category_id')->unsigned();
+            $table->foreign('category_id')->references('id')->on('categories')->onDelete('restrict');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('posts', function (Blueprint $table) {
+            $table->dropForeign(['category_id']);
+            $table->dropColumn('category_id');
+        });
+    }
+}