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PHP SDK Implementation Summary

Overview

The PHP SDK for Brad Search synchronization has been fully implemented with all requested features:

✅ PHP 8.4+ Support - Uses modern PHP features like readonly properties, enums, and constructor property promotion
✅ Type Safety - Comprehensive use of PHP enums and strict typing
✅ Exception Handling - Typed exceptions for different error scenarios
✅ Composer Package - Ready for bradsearch/search-sync-sdk publication
✅ Single & Bulk Sync - Both single product and batch processing methods
✅ Strict Validation - Comprehensive data validation against field configuration

Complete File Structure

SDK/php/
├── composer.json              # Package configuration
├── README.md                  # Complete documentation
├── phpunit.xml               # PHPUnit configuration
├── .gitignore                # Git ignore rules
├── IMPLEMENTATION.md         # This summary
├── examples/
│   └── ecommerce-sync.php    # Complete usage example
├── tests/                    # Test directory (ready for tests)
└── src/
    ├── SynchronizationApiSdk.php        # Main SDK class
    ├── Config/
    │   └── SyncConfig.php               # Configuration class
    ├── Enums/
    │   └── FieldType.php                # Field type enum
    ├── Models/
    │   ├── FieldConfig.php              # Field configuration model
    │   └── FieldConfigBuilder.php       # Helper for building field configs
    ├── Exceptions/
    │   ├── SyncSdkException.php         # Base exception
    │   ├── ApiException.php             # API errors
    │   ├── ValidationException.php      # Validation errors
    │   └── InvalidFieldConfigException.php # Configuration errors
    ├── Validators/
    │   └── DataValidator.php            # Data validation logic
    └── Client/
        └── HttpClient.php               # HTTP client for API calls

Key Features Implemented

1. Main SDK Class

  • SynchronizationApiSdk - Implements the exact interface requested:
    • deleteIndex(string $index): void
    • createIndex(string $index): void
    • sync(string $index, array $productData): void
    • syncBulk() for batch processing

2. Field Configuration

  • Type-safe field configuration using PHP enums
  • Automatic validation of field configuration structure
  • Field filtering - only configured fields are sent to API
  • Pre-built ecommerce configuration matching the Go implementation

3. Data Validation

  • Strict validation against field configuration
  • Type checking for all field types (text, keyword, hierarchy, variants, URLs, name-value lists, floats, etc.)
  • Comprehensive error reporting with detailed validation messages
  • Variant validation with attribute checking

4. HTTP Client

  • cURL-based HTTP client with full error handling
  • Configurable timeouts and SSL verification
  • Proper JSON encoding/decoding
  • Bearer token authentication

5. Exception Handling

  • Typed exceptions for different error scenarios:
    • ApiException - API errors with status codes and response bodies
    • ValidationException - Data validation errors with detailed error lists
    • InvalidFieldConfigException - Field configuration errors

API Endpoints Implemented

Based on the Go implementation, the following endpoints are used:

  1. DELETE /api/v1/sync/{index} - Delete index
  2. PUT /api/v1/sync/ - Create index with field configuration
  3. POST /api/v1/sync/ - Bulk sync products

Field Types Supported

All field types from the Go implementation:

  • TEXT_KEYWORD - Full-text search with keyword matching
  • TEXT - Full-text search only
  • KEYWORD - Exact keyword matching
  • HIERARCHY - Hierarchical categories
  • VARIANTS - Product variants with attributes
  • NAME_VALUE_LIST - List of name-value pairs (e.g., features, specifications)
  • IMAGE_URL - Image URLs object with size keys (small, medium)
  • URL - Regular URLs with validation
  • FLOAT - Numeric floating-point values
  • INTEGER - Integer numeric values
  • DOUBLE - Double precision floating-point values

Usage Examples

Basic Usage

$config = new SyncConfig('https://api.example.com', 'auth-token');
$fields = FieldConfigBuilder::ecommerceFields();
$sdk = new SynchronizationApiSdk($config, $fields);

$sdk->createIndex('my-index');
$sdk->sync('my-index', $productData);
$sdk->deleteIndex('my-index');

Batch Processing

$sdk->syncBulk('my-index', $products, 100); // Process in batches of 100

Validation

try {
    $sdk->validateProducts($products);
    $sdk->syncBulk('my-index', $products);
} catch (ValidationException $e) {
    foreach ($e->errors as $error) {
        echo "Error: $error\n";
    }
}

Ready for Composer Publication

The package is completely ready for publication to Composer with:

  • Proper PSR-4 autoloading
  • Semantic versioning support
  • Complete documentation
  • Example usage
  • PHPUnit test configuration

Next Steps

  1. Testing - Add comprehensive unit and integration tests
  2. CI/CD - Set up GitHub Actions for automated testing
  3. Publishing - Publish to Packagist as bradsearch/search-sync-sdk
  4. Documentation - Host documentation on GitHub Pages

Compatibility

  • Go Implementation: Fully compatible with the existing Go sync API
  • Field Configuration: Matches the Go field configuration structure
  • API Requests: Uses same request/response format as Go implementation
  • Error Handling: Provides better error information than the Go version