Stack Overflow Asked by Fahad Munir on February 4, 2021
i am new to laravel. currently i am working on laravel 7. i made a navigation bar a seperate file which i extends on all the front end file. i just know that when i need a data from the database in front end
then i do like this
$cat = modelname::all();
return view('addproducts')->with('cat',$cat);
but that code works on that condition when i have to go to that front end blade file. but on navigation bar senario i dont need to go to the nav file i just go to another blade file and nav file is extended on it.
i just want to know how to access the data from the databse on navigation bar
<html>
<head>
<meta charset="utf-8">
<title>{{ config('app.name', 'Laravel') }}</title>
<!-- Scripts -->
<script src="{{ asset('js/app.js') }}" defer></script>
<!-- Styles -->
<link href="{{ asset('css/app.css') }}" rel="stylesheet">
</head>
<body>
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<a class="navbar-brand" href="#">Navbar</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarSupportedContent">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="{{'addcategory'}}">Add Catgory <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="{{'showcategory'}}">show Category</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Manage Products
</a>
<div class="dropdown-menu" aria-labelledby="navbarDropdown">
<a class="dropdown-item" href="{{'
addproducts'}}">Add Products</a>
<a class="dropdown-item" href="#">Another action</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
<li class="nav-item">
<a class="nav-link disabled" href="#">Disabled</a>
</li>
</ul>
<form class="form-inline my-2 my-lg-0">
<input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
</form>
</div>
</nav>
@yield('content')
</body>
</html>
this is the code of my nav file where i want to get the data from the database and then want to show in a dropdown menu
@extends('layouts.nav');
@section('content')
//code for the front end of the page
@endsection
this is how i extend the nav file on another page
If your on Laravel 7 then you really need to use the new component feature added to Laravel 7, to do that run php artisan make:component NavigationComponent, this will generate a NavigationComponent class and a navigation-component blade file.
navigation-component.blade.php
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<a class="navbar-brand" href="#">Navbar</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarSupportedContent">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="{{'addcategory'}}">Add Catgory <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="{{'showcategory'}}">show Category</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Manage Products
</a>
<div class="dropdown-menu" aria-labelledby="navbarDropdown">
<a class="dropdown-item" href="{{'
addproducts'}}">Add Products</a>
<a class="dropdown-item" href="#">Another action</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
<li class="nav-item">
<a class="nav-link disabled" href="#">Disabled</a>
</li>
</ul>
<form class="form-inline my-2 my-lg-0">
<input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
</form>
</div>
</nav>
NavigationComponent.php
<?php
namespace AppViewComponents;
use IlluminateViewComponent;
class NavigationComponent extends Component
{
public $cat;
/**
* Create a new component instance.
*
* @return void
*/
public function __construct()
{
$this->cat = CatModel::all();
}
/**
* Get the view / contents that represent the component.
*
* @return IlluminateViewView|string
*/
public function render()
{
return view('components.navigation-component');
}
}
For more visit Laravel Component docs
Answered by tsommie on February 4, 2021
@Fahad Munir would something like this work in your case? Using 'include' instead of 'extends'?
@include('layouts.nav', ['cat' => $cat = Appmodelname::all();])
If this does not work for your purposes, you may also consider using a View Composer.
See the Laravel documentation about View Composers here: https://laravel.com/docs/7.x/views#view-composers.
Utilizing a View Composer would allow you to add something like the following to the boot() method in your appServiceProvider or after creating a new service provider using artisan and adding to the boot() method after doing that like so:
view()->composer('layouts.nav', function($view) {
$view->with('cat', Appmodelname::all());
});
Read more about that in the Laravel documentation here, if need be: https://laravel.com/docs/7.x/providers#the-boot-method
Answered by finiteloop on February 4, 2021
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