PHP code example of pdro-lucas / filament-ai-writer

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

pdro-lucas / filament-ai-writer example snippets

use PdroLucas\FilamentAiWriter\Actions\AiWriterAction;

use Filament\Forms\Components\MarkdownEditor;

MarkdownEditor::make('content')
    ->hintAction(
        AiWriterAction::make()
            ->targetField('content')
            ->prompt('
                You are a content writing expert.
                Write rich Markdown with headers, lists, and well-structured paragraphs.
                Return ONLY the Markdown content, no explanations.
            ')
    ),

use Filament\Forms\Components\Textarea;

Textarea::make('excerpt')
    ->hintAction(
        AiWriterAction::make('ai_excerpt')
            ->targetField('excerpt')
            ->prompt('
                Write a concise and engaging summary in 2-3 sentences.
                Tone: professional but accessible.
                Return ONLY the summary.
            ')
    ),

use Filament\Forms\Components\TextInput;

TextInput::make('slug')
    ->hintAction(
        AiWriterAction::make('ai_slug')
            ->targetField('slug')
            ->contextFields(['title'])
            ->prompt('
                Generate a URL-friendly slug based on the provided title.
                Return ONLY the slug, lowercase, hyphenated, no special characters.
            ')
            ->silent()
    ),

use Filament\Forms\Components\Select;

$categories = Category::all()->pluck('name', 'id');

Select::make('category_id')
    ->label('Category')
    ->options($categories)
    ->hintAction(
        AiWriterAction::make('ai_category')
            ->targetField('category_id')
            ->contextFields(['title', 'body'])
            ->valueMap($categories->toArray())
            ->prompt('
                Based on the title and body, choose the most appropriate category.
                Return ONLY the numeric ID of the chosen category, nothing else.
            ')
            ->silent()
    ),

use Filament\Forms\Components\TagsInput;

TagsInput::make('tags')
    ->hintAction(
        AiWriterAction::make('ai_tags')
            ->targetField('tags')
            ->contextFields(['title', 'body'])
            ->allowedValues(['laravel', 'filament', 'php', 'api', 'frontend', 'backend'])
            ->normalizeArrayCase()
            ->prompt('
                Suggest relevant tags based on the title and body.
                Return ONLY a raw JSON array of strings from the allowed list, no markdown, no explanation.
                Example: ["laravel","filament","php"]
            ')
            ->silent()
    ),

// Dynamically from the database
$tags = Tag::all()->pluck('name')->toArray();

TagsInput::make('tags')
    ->hintAction(
        AiWriterAction::make('ai_tags')
            ->targetField('tags')
            ->contextFields(['title', 'body'])
            ->allowedValues($tags)
            ->normalizeArrayCase()
            ->prompt('
                Suggest relevant tags based on the title and body.
                Return ONLY a raw JSON array of strings from the allowed list, no markdown, no explanation.
                Example: ["laravel","filament","php"]
            ')
            ->silent()
    ),

TagsInput::make('tags')
    ->hintAction(
        AiWriterAction::make('ai_tags')
            ->targetField('tags')
            ->contextFields(['title', 'body'])
            ->expectArray()
            ->normalizeArrayCase()
            ->prompt('
                Suggest up to five relevant tags based on the title and body.
                Return ONLY a raw JSON array of strings, no markdown, no explanation.
                Example: ["laravel","filament","php"]
            ')
            ->silent()
    ),

use Filament\Forms\Components\TextInput;

TextInput::make('meta_description')
    ->hintAction(
        AiWriterAction::make()
            ->targetField('meta_description')
            ->beforeGenerate(function (): bool {
                if (auth()->user()->credits <= 0) {
                    return false;
                }
                return true;
            })
            ->prompt('Write a meta description.')
    ),

// AppServiceProvider
use PdroLucas\FilamentAiWriter\Actions\AiWriterAction;

public function boot(): void
{
    AiWriterAction::globalBeforeGenerate(function (): bool {
        if (auth()->user()->cannot('use-ai-writer')) {
            Notification::make()
                ->warning()
                ->title('AI writing is not available')
                ->send();
            return false;
        }
        return true;
    });
}

// app/Providers/EventServiceProvider.php
use PdroLucas\FilamentAiWriter\Events\AiTextGenerated;

protected $listen = [
    AiTextGenerated::class => [DebitUserCredits::class],
];

// app/Listeners/DebitUserCredits.php
class DebitUserCredits
{
    public function handle(AiTextGenerated $event): void
    {
        $user = $event->payload['user'];

        if ($user === null) {
            return;
        }

        $user->decrement('ai_credits');
    }
}

use PdroLucas\FilamentAiWriter\Contracts\AiProvider;

public function register(): void
{
    $this->app->bind(AiProvider::class, fn () => new MyCustomProvider());
}

src/
  Actions/
    AiWriterAction.php                  # The Filament Action
  Contracts/
    AiProvider.php                      # Interface for AI providers
  Events/
    AiTextGenerated.php                 # Event dispatched after generation
  Providers/
    AnthropicProvider.php
    OpenAiProvider.php
    GeminiProvider.php
  FilamentAiWriterServiceProvider.php
config/
  filament-ai-writer.php