MessagePractise/app/Http/Controllers/CommentController.php

<?php

namespace App\Http\Controllers;

use App\Models\Comment;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;

class CommentController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
        //
    }

    public function index_count()
    {
        return Comment::select('blogId', DB::raw('count(*) as total'))->groupBy('blogId')->reorder('total', 'desc')->get();
    }

    public function index_by_blog(Request $request)
    {
        return Comment::where('blogId', '=', $request->blogId)->get();
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function create()
    {
        //
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        Comment::insert([
            'authorId' => $request->user()->id,
            'comment' => $request->comment,
            'blogId' => $request->blogId,
            'created_at' => now(),
            'updated_at' => now(),
        ]);
    }

    /**
     * Display the specified resource.
     *
     * @param  \App\Models\Comment  $comment
     * @return \Illuminate\Http\Response
     */
    public function show(Request $request)
    {
        return Comment::where('id', '=', $request->commentId)->first();
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param  \App\Models\Comment  $comment
     * @return \Illuminate\Http\Response
     */
    public function edit(Comment $comment)
    {
        //
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \App\Models\Comment  $comment
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, Comment $comment)
    {
        //
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  \App\Models\Comment  $comment
     * @return \Illuminate\Http\Response
     */
    public function destroy(Request $request)
    {
        Comment::where('id', '=', $request->commentId)->delete();
    }
}