create Tags and Comments morphed tables to Post and News models

Author: pashaapsky

app/Comment.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Comment extends Model
+{
+ use HasFactory;
+
+ protected $table = 'comments';
+
+ protected $guarded = [''];
+
+ public function commentable()
+ {
+ return $this->morphTo();
+ }
+}

app/Http/Controllers/CommentsController.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Comment;
+use App\News;
+use Illuminate\Http\Request;
+
+class CommentsController extends Controller
+{
+ public function store(Request $request, News $new)
+ {
+ $values = $request->validate([
+ 'text' => 'required'
+ ]);
+
+ $values['commentable_id'] = $new->id;
+ $values['commentable_type'] = News::class;
+
+ $comment = Comment::create($values);
+
+ return back();
+ }
+}

app/Http/Controllers/NewsController.php

@@ -12,6 +12,7 @@ class NewsController extends Controller
 {
  public function __construct()
  {
+ $this->middleware('auth');
  $this->middleware('role:admin')->except(['index', 'show']);
  }
 
@@ -25,7 +26,8 @@ public function validateRequest($request, $new)
 
  public function index()
  {
- $news = News::with('tags')->latest()->get();
+ $news = News::with(['tags', 'comments'])->latest()->get();
+
  return view('news.index', compact('news'));
  }
 
@@ -84,6 +86,6 @@ public function destroy(News $new)
 
  flash( 'New deleted successfully');
 
- return back();
+ return redirect('/admin/news');
  }
 }

app/Http/Controllers/PostsController.php

@@ -30,7 +30,7 @@ public function validateRequest($request, $post)
 
  public function index()
  {
- $posts = auth()->user()->posts()->with('tags')->latest()->get();
+ $posts = auth()->user()->posts()->with(['tags', 'comments'])->latest()->get();
  return view('/posts.index', compact('posts'));
  }
 
@@ -109,6 +109,10 @@ public function destroy(Post $post)
  flash( 'Post deleted successfully');
  pushNotification('Post deleted successfully', 'New Notification');
 
- return back();
+ if (auth()->user()->hasRole('admin')) {
+ return redirect('/admin/posts');
+ } else {
+ return back();
+ }
  }
 }

app/Http/Controllers/TagsController.php

@@ -11,6 +11,6 @@ public function index(Tag $tag)
  {
  $posts = $tag->posts()->with('tags')->get();
  $news = $tag->news()->with('tags')->get();
- return view('index', compact('posts', 'news'));
+ return view('layouts.tags.index', compact('posts', 'news'));
  }
 }

app/News.php

@@ -13,6 +13,12 @@ class News extends Model
 
  public function tags()
  {
- return $this->belongsToMany(Tag::class, 'new_tag', 'new_id', 'tag_id');
+// return $this->belongsToMany(Tag::class, 'new_tag', 'new_id', 'tag_id');
+ return $this->morphToMany(Tag::class, 'taggable');
+ }
+
+ public function comments()
+ {
+ return $this->morphMany(Comment::class, 'commentable');
  }
 }

app/Post.php

@@ -20,11 +20,17 @@ class Post extends Model
 
  public function tags()
  {
- return $this->belongsToMany(Tag::class);
+// return $this->belongsToMany(Tag::class);
+ return $this->morphToMany(Tag::class, 'taggable');
  }
 
  public function owner()
  {
  return $this->belongsTo(User::class);
  }
+
+ public function comments()
+ {
+ return $this->morphMany(Comment::class, 'commentable');
+ }
 }

app/Providers/AppServiceProvider.php

@@ -2,9 +2,10 @@
 
 namespace App\Providers;
 
-use App\NewTag;
-use App\PostTag;
+use App\News;
+use App\Post;
 use App\Tag;
+use App\Taggable;
 use Illuminate\Support\ServiceProvider;
 
 class AppServiceProvider extends ServiceProvider
@@ -17,13 +18,18 @@ class AppServiceProvider extends ServiceProvider
  public function register()
  {
  view()->composer('layouts.aside-tags', function ($view) {
- $postsTags = PostTag::all()->unique('tag_id')->keyBy('tag_id');
- $newsTags = NewTag::all()->unique('tag_id')->keyBy('tag_id');
- $keys = $postsTags->mergeRecursive($newsTags)->keyBy('tag_id')->keys()->sort();
+ $postsAndNewsUniqueTagsID = Taggable::where('taggable_type', News::class)
+ ->orWhere('taggable_type', Post::class)
+ ->get()
+ ->unique('tag_id')
+ ->keyBy('tag_id')
+ ->keys()
+ ->sort()
+ ;
 
- $postsAndNewsTags = Tag::all()->whereIn('id', $keys);
+ $tags = Tag::all()->whereIn('id', $postsAndNewsUniqueTagsID);
 
- $view->with('tagsCloud', $postsAndNewsTags);
+ $view->with('tagsCloud', $tags);
  });
  }
 

app/Tag.php

@@ -15,12 +15,14 @@ class Tag extends Model
 
  public function posts()
  {
- return $this->belongsToMany(Post::class);
+// return $this->belongsToMany(Post::class);
+ return $this->morphedByMany(Post::class, 'taggable');
  }
 
  public function news()
  {
- return $this->belongsToMany(News::class, 'new_tag', 'tag_id', 'new_id');
+// return $this->belongsToMany(News::class, 'new_tag', 'tag_id', 'new_id');
+ return $this->morphedByMany(News::class, 'taggable');
  }
 
  public function getRouteKeyName()

app/Taggable.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace App;
+
+use Illuminate\Database\Eloquent\Relations\MorphPivot;
+
+class Taggable extends MorphPivot
+{
+ protected $table = 'taggables';
+}