Wit.ai Parser for Laravel

A Laravel package for interacting with Wit.ai's API, providing easy-to-use services for message parsing and entity/intent management.

Installation

1. Install the package via Composer:

composer require nigel/wit_parser

2. Publish the configuration file:

php artisan vendor:publish --provider="Nigel\WitParser\WitParserServiceProvider" --tag="config"

3. Add your Wit.ai credentials to your .env file:

WIT_AI_TOKEN=your_wit_ai_token_here
WIT_AI_BASE_URL=https://api.wit.ai/

Usage

Message Parsing

use Nigel\WitParser\WitParserService;

class YourController extends Controller
{
    public function parseMessage()
    {
        $parser = new WitParserService();
        $result = $parser->parse("What's the weather in New York?");
        
        // Access parsed data
        $intent = $result->intent;        // e.g., "get_weather"
        $confidence = $result->confidence; // e.g., 0.95
        $entities = $result->entities;    // Array of entities
        $raw = $result->raw;              // Raw API response
    }
}

Managing Entities and Intents

use Nigel\WitParser\WitManagerService;

class YourController extends Controller
{
    public function manageWit()
    {
        $manager = new WitManagerService();
        
        // Create a new entity
        $entity = $manager->createEntity('location', [
            ['value' => 'New York'],
            ['value' => 'London']
        ]);
        
        // Get all entities
        $entities = $manager->getEntities();
        
        // Create a new intent
        $intent = $manager->createIntent('get_weather', [
            ['text' => 'What\'s the weather in New York?'],
            ['text' => 'How\'s the weather in London?']
        ]);
        
        // Get all intents
        $intents = $manager->getIntents();
        
        // Get app info
        $appInfo = $manager->getAppInfo();
    }
}

Available Methods

WitParserService

• parse(string $message): WitResult - Parse a message and get structured data

WitManagerService

• createEntity(string $name, array $values = []): array - Create a new entity
• getEntities(): array - Get all entities
• createIntent(string $name, array $examples = []): array - Create a new intent
• getIntents(): array - Get all intents
• getAppInfo(): array - Get app information

WitResult Object

The parse() method returns a WitResult object with the following properties:

• intent: The detected intent
• confidence: Confidence score (0-1)
• entities: Array of detected entities
• raw: Raw API response

Error Handling

The package throws RuntimeException with descriptive messages for:

• API request failures
• Invalid responses
• Network errors
• Authentication issues

License

This package is open-sourced software licensed under the MIT license.