README

Pairity is a high-performance, partitioned-model PHP ORM that strictly separates data representation (DTO) from persistence logic (DAO). It provides a fluent Query Builder, robust relationship management, and enterprise-grade features like automatic multi-tenancy, auditing, and transparent attribute encryption.

Key Features

Partitioned Model: Clean separation between DTOs (Data) and DAOs (Persistence).
YAML-Driven Schema: Define your tables in YAML; generate migrations and models automatically.
Fluent Query Builder: Database-agnostic query construction with support for subqueries, joins, and set operations.
Relationships & Eager Loading: Efficiently handle BelongsTo, HasOne, HasMany, and Polymorphic relations with N+1 prevention.
Unit of Work: Coordinate atomic updates across multiple connections with centralized transaction management.
Enterprise Features:
- Automatic Multi-Tenancy: Transparent data isolation via tenant scoping.
- Auditing: Automatic change tracking for sensitive models.
- Concurrency Control: Built-in Optimistic and Pessimistic locking.
- Attribute Encryption: Transparent AES-256 encryption for PII data.
Developer Tooling: First-class CLI (pairity) for code generation, migrations, seeding, and health checks.
Internationalization (i18n): Localized exception messages and CLI output (EN, ES, FR, DE, IT).

Installation

Install Pairity via Composer:

composer require getphred/pairity

Initialize the project structure (creates schema/, src/Models/, etc.):

vendor/bin/pairity init

Quick Start

1. Define your Schema

Create a YAML file in schema/users.yaml (Note: the schema/ directory is automatically created by the init command):

columns:
  id:
    type: bigIncrements
  email:
    type: string
    unique: true
  password:
    type: string
    encrypted: true
  active:
    type: boolean
    default: true

relations:
  posts:
    type: hasMany
    target: posts

2. Generate Models

vendor/bin/pairity make:model

3. Run Migrations

vendor/bin/pairity migrate

4. Usage

Basic CRUD

use App\Models\DTO\UsersDTO;
use App\Models\DAO\UsersDAO;

$userDao = $container->get(UsersDAO::class);

// Create
$user = new UsersDTO(['email' => 'jane@example.com', 'password' => 'secret']);
$userDao->save($user);

// Read
$user = $userDao->find(1);
echo $user->email;

// Update
$user->setAttribute('active', false);
$userDao->save($user);

Query Builder

$users = $userDao->query()
    ->where('active', true)
    ->whereIn('role', ['admin', 'editor'])
    ->orderBy('created_at', 'desc')
    ->limit(10)
    ->get();

Eager Loading

$users = $userDao->query()
    ->with('posts.comments')
    ->get();

foreach ($users as $user) {
    foreach ($user->posts as $post) {
        // Posts are already loaded!
    }
}

Documentation

For detailed documentation, please refer to the SPECS.md file.

Testing

Run the test suite using PHPUnit:

vendor/bin/phpunit

License

The MIT License (MIT). Please see LICENSE.md for more information.

getphred / pairity

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