liwo/app/Http/Controllers/CommentController.php

<?php

namespace App\Http\Controllers;

use App\Models\Task;
use App\Models\Comment;
use Illuminate\Http\Request;
use Illuminate\Http\Response;

class CommentController extends Controller
{
    public function index($business, $project, $task)
    {
        permit('projectAccess', ['project_id' => $project]);
        $taskModel = Task::where([['project_id', $project ], ['id', $task]])->firstOrFail();
        if (can('isDefiniteGuestInProject', ['project_id' => $project])){ // is guest in project (only guest)
            return $taskModel->assignee_id == \auth()->id() ?
                Comment::where([
                    ['business_id', $business],
                    ['project_id', $project],
                    ['task_id', $task],
                ])->get():
                abort(Response::HTTP_FORBIDDEN); // not allowed
        } else {
            return Comment::where([
                ['business_id', $business],
                ['project_id', $project],
                ['task_id', $task],
            ])->get();
        }
    }

    public function store($business, $project, $task, Request $request)
    {
        permit('projectAccess', ['project_id' => $project]);
        $taskModel = Task::where([['project_id', $project ], ['id', $task]])->firstOrFail();
        if (can('isDefiniteGuestInProject', ['project_id' => $project])){ // is guest in project (only guest)
            return $taskModel->assignee_id == \auth()->id() ?
                Comment::create($request->merge([
                    'business_id' => $business,
                    'project_id' => $project,
                    'task_id' => $task,
                    'user_id' => \auth()->id(),
                ])->except('_business_info')) :
                abort(Response::HTTP_FORBIDDEN); // not allowed
        } else {
            return Comment::create($request->merge([
                'business_id' => $business,
                'project_id' => $project,
                'task_id' => $task,
                'user_id' => \auth()->id(),
            ])->except('_business_info'));
        }
    }

    public function show($business, $project, $task, $comment)
    {
        permit('projectAccess', ['project_id' => $project]);
        $taskModel = Task::where([['project_id', $project ], ['id', $task]])->firstOrFail();
        if (can('isDefiniteGuestInProject', ['project_id' => $project])){ // is guest in project (only guest)
            return $taskModel->assignee_id == \auth()->id() ?
                Comment::findOrFail($comment) :
                abort(Response::HTTP_FORBIDDEN); // not allowed
        } else {
            return Comment::findOrFail($comment);
        }
    }

    public function update($business, $project, $task, $comment, Request $request)
    {
        permit('projectAccess', ['project_id' => $project]);
        $comment = Comment::findOrFail($comment);
        if ($comment->user_id == \auth()->id()) {
            $comment->update($request->except('_business_info'));
            return $comment;
        }
        return abort(Response::HTTP_FORBIDDEN); // not allowed
    }

    public function destroy($business, $project, $task, $comment)
    {
        permit('projectAccess', ['project_id' => $project]);
        $comment = Comment::findOrFail($comment);
        if ($comment->user_id == \auth()->id()) {
            $comment->delete();
            return \response()->json(['message' => 'comment deleted successfully.'], Response::HTTP_OK);
        }
        return abort(Response::HTTP_FORBIDDEN); // not allowed
    }
}