Filament showing a blank edit resource form

It sounds like you're encountering an issue where the form fields are not being automatically generated in your Filament resource. This can happen if the form schema is not properly defined in the resource class. Here’s a step-by-step solution to ensure that your CRUD forms are generated correctly:

1. Check the Resource Class: Ensure that the form schema is defined in the CustomerResource class. This is typically found in app/Filament/Resources/CustomerResource.php.

2. Define the Form Schema: You need to define the form fields in the form method of the CustomerResource class. Here’s an example of how you can do this:

namespace App\Filament\Resources;

use App\Filament\Resources\CustomerResource\Pages;
use App\Filament\Resources\CustomerResource\RelationManagers;
use App\Models\Customer;
use Filament\Forms;
use Filament\Resources\Form;
use Filament\Resources\Resource;
use Filament\Resources\Table;
use Filament\Tables;
use Filament\Forms\Components\TextInput;

class CustomerResource extends Resource
{
    protected static ?string $model = Customer::class;

    public static function form(Form $form): Form
    {
        return $form
            ->schema([
                TextInput::make('name')
                    ->required()
                    ->label('Name'),
                TextInput::make('email')
                    ->required()
                    ->email()
                    ->label('Email'),
                // Add other fields as necessary
            ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('name')->label('Name'),
                Tables\Columns\TextColumn::make('email')->label('Email'),
                // Add other columns as necessary
            ])
            ->filters([
                //
            ]);
    }

    public static function getPages(): array
    {
        return [
            'index' => Pages\ListCustomers::route('/'),
            'create' => Pages\CreateCustomer::route('/create'),
            'edit' => Pages\EditCustomer::route('/{record}/edit'),
        ];
    }
}

3. Check the Model: Ensure that the Customer model has the necessary fillable properties defined. This is typically found in app/Models/Customer.php.

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class Customer extends Model
{
    use HasFactory;

    protected $fillable = [
        'name',
        'email',
        // Add other fillable properties as necessary
    ];
}

4. Run Migrations: Ensure that you have run the migrations to create the necessary database tables.

php artisan migrate

5. Clear Cache: Sometimes, caching issues can cause unexpected behavior. Clear the cache to ensure that your changes are reflected.

php artisan cache:clear
php artisan config:clear
php artisan route:clear
php artisan view:clear

By following these steps, you should be able to see the form fields in your Filament resource. If the form is still blank, double-check that the form schema is correctly defined and that there are no typos or syntax errors in your code.