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Edit Product Form: Reusable Form Object?

Premium
9 min read

We have made a create page. Now we need a page for editing records. Forms can be made in two ways. The first one, make a new component and add everything, or the second, extract parts in the Form Object.


Separate Component

First, we need a new component and a route mapped to it. Then we can link the edit button to that route.

php artisan make:livewire ProductsEdit

routes/web.php:

Route::get('products', [\App\Http\Controllers\ProductController::class, 'index']);
Route::get('products/create', \App\Livewire\ProductsCreate::class)->name('products.create');
Route::get('products/{product}/edit', \App\Livewire\ProductsEdit::class)->name('products.edit');

resources/views/livewire/products.blade.php:

<div class="space-y-6">
// ...
<td>
<a href="{{ route('products.edit', $product) }}" class="inline-flex items-center px-4 py-2 bg-gray-800 rounded-md font-semibold text-xs text-white uppercase tracking-widest">
Edit </a>
<a wire:click="deleteProduct({{ $product->id }})" onclick="return confirm('Are you sure?') || event.stopImmediatePropagation()" href="#" class="inline-flex items-center px-4 py-2 bg-red-600 rounded-md font-semibold text-xs text-white uppercase tracking-widest">
Delete </a>
</td>
// ...
</div>

The form itself is the same as for the create product.

resources/views/products-edit.blade.php:

<form method="POST" wire:submit="save">
<div>
<label for="name" class="block font-medium text-sm text-gray-700">Name</label>
<input id="name" class="block mt-1 w-full border-gray-300 rounded-md shadow-sm" type="text" wire:model="name" />
@error('name')
<span class="mt-2 text-sm text-red-600">{{ $message }}</span>
@enderror
</div>
 
<div class="mt-4">
<label for="description" class="block font-medium text-sm text-gray-700">Description</label>
<textarea id="description" class="block mt-1 w-full border-gray-300 rounded-md shadow-sm" wire:model="description"></textarea>
@error('description')
<span class="mt-2 text-sm text-red-600">{{ $message }}</span>
@enderror
</div>
 
<div class="mt-4">
<label for="category">Category</label>
<select wire:model="category_id" name="category" id="category" class="block mt-1 w-full border-gray-300 rounded-md shadow-sm">
<option value="0">-- CHOOSE CATEGORY --</option>
@foreach($categories as $id => $category)
<option value="{{ $id }}">{{ $category }}</option>
@endforeach
</select>
@error('category_id')
<span class="mt-2 text-sm text-red-600">{{ $message }}</span>
@enderror
</div>
 
<button class="mt-4 px-4 py-2 bg-gray-800 rounded-md font-semibold text-xs text-white uppercase tracking-widest hover:bg-gray-700">
Save Product
</button>
</form>

In the Livewire components class, first, we need to assign all the properties to values from the product. Because we are using Route Model Binding, we can accept Product parameter in the...

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AlexSteele avatar

What is the significance of changing the render to the create, vs edit? Why did we do that?

Nerijus avatar

To use the same blade file. You can name it whatever you want

👍 2
AlexSteele avatar

makes perfect sense - reducing the number of files to decrease complexity

Chris avatar

But why to make ProductsCreate and ProductsEdit component, cant we just make livewire component called ProductsForm and both create and edit logic to there?

Nerijus avatar

You can do it this way

Nerijus avatar

you can check the quiz livewire course which was just updated to livewire v3 and uses one component for the

muuucho avatar

Where did the "Lock logic" went when you refactored the Edit page into the Form page?

Nerijus avatar

Because in the form object we are binding to the model the id of it is automatically locked. This is mentioned in the Livewire

👍 2
Luis Alberto Oliveira avatar
Luis Alberto Oliveira

Hi, when I try to use the same form to create and edit an user I have the following issue.

The code wire:click="edit({{ $user->id }})" do not bring the value to the input, I've to use ' ' between ('{{ $user->id }}').

Why this happens?

Nerijus avatar

Should work without ' '. This is how it is in the docs also https://livewire.laravel.com/docs/actions#passing-parameters

Solomon Iroegbu avatar

Cannot assign Illuminate\Support\Collection to property App\Livewire\ProductsEdit::$categories of type App\Livewire\Collection

What should i do?

Nerijus avatar

Import the collection

Solomon Iroegbu avatar

Thank you. it worked

Latif Kasuli avatar

Can I use the same blade file for creating and editing in Class-based Volt components?

Nerijus avatar

Never used volt. You should just try

C4 avatar

Lets say I have a checkout page that allows the customer to submit multiple address's if there is more than 1 of something (qty). How can I assign a public array variable to multiple wire:model inputs? Feels like something like this should work, but it doesnt. Ive tried a lot & ran out of ideas.
wire:model.lazy="form.address[0]" wire:model.lazy="form.address[1]"

Im not working with validation for testing.

Figured it out Ill keep it here, incase there is anyone else like me. In blade or livewire not sure, you gotta assign array keys with a period apparently sooo wire:model.lazy="form.address.1"

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