Marwa-DB

MarwaDB is a PSR-compliant, framework-agnostic, Laravel-style database library built on top of PDO.
It includes a fluent query builder, Eloquent-style ORM, schema builder, migrations, and connection load balancing.

---

📌 Features

• Multiple Connections with load balancing & retry policies
• Fluent Query Builder — chainable, secure, prepared statements
• Eloquent-style ORM:
  • Auto timestamps (created_at, updated_at)
  • Soft deletes
  • fillable / guarded attributes for mass assignment protection
  • Relationships: hasOne, hasMany, belongsTo, belongsToMany
  • Eager loading (with(), load())
• Schema Builder:
  • Create/drop tables
  • Foreign keys
  • Indexes (primary, unique, index)
  • Column modifiers (nullable, default, after)
• Migrations CLI:
  • make:migration
  • migrate, migrate:rollback, migrate:refresh
• Seeder Support with Faker
• Debug Panel — view executed queries & timings
• PSR-3 Logging integration

---

📦 Installation

composer require memran/marwa-db

---

⚙ Configuration

config/database.php

<?php
return [
    'default' => [
        'driver'      => 'mysql',
        'host'        => '127.0.0.1',
        'port'        => 3306,
        'database'    => 'app',
        'username'    => 'root',
        'password'    => '',
        'charset'     => 'utf8mb4',
        'retry'       => 3,
        'retry_delay' => 300,
        'debug'       => true,
    ],
];

---

🚀 CLI Usage

php bin/marwa-db list

Create migration:

php bin/marwa-db make:migration create_users_table

Run migrations:

php bin/marwa-db migrate

Rollback:

php bin/marwa-db migrate:rollback

---

🛠 Query Builder Examples

use Marwa\DB\Facades\DB;

$users = DB::table('users')
    ->where('status', 'active')
    ->orderBy('created_at', 'desc')
    ->limit(5)
    ->get();

DB::table('users')->insert([
    'name' => 'Jane Doe',
    'email' => '[email protected]',
]);

---

🏷 ORM Examples

use App\Models\User;

// Create record
$user = User::create([
    'name' => 'John Doe',
    'email' => '[email protected]'
]);

// Find & update
$user = User::find(1);
$user->email = '[email protected]';
$user->save();

// Soft delete
$user->delete();

---

🔗 Relationships

class User extends Model {
    public function posts() {
        return $this->hasMany(Post::class);
    }
}

class Post extends Model {
    public function author() {
        return $this->belongsTo(User::class, 'user_id');
    }
}

---

🏗 Schema Builder

use Marwa\DB\Schema\Schema;

Schema::create('users', function($table) {
    $table->increments('id');
    $table->string('name')->nullable();
    $table->string('email')->unique();
    $table->timestamps();
});

---

📋 Function Reference

Query Builder

• table($name) — Selects table
• select(...$columns) — Selects specific columns
• where($column, $operator, $value) — Adds WHERE clause
• orWhere(...) — Adds OR WHERE clause
• orderBy($column, $direction) — Sort results
• groupBy($column) — Group results
• limit($n) — Limit rows
• get() — Fetch results
• first() — Fetch first row
• insert($data) — Insert new record(s)
• update($data) — Update record(s)
• delete() — Delete record(s)

ORM

• find($id) — Find by primary key
• all() — Get all rows
• create($attributes) — Insert & return model
• save() — Save changes
• delete() — Delete (with soft delete if enabled)
• with($relations) — Eager load relations

Schema Builder

• create($table, $callback) — Create new table
• drop($table) — Drop table
• Column types: string, integer, text, boolean, timestamp, etc.
• Modifiers: nullable(), default($value), after($column)

---

🐞 Debugging

Enable query debug in config:

'debug' => true

View queries:

use Marwa\DB\Support\DebugPanel;
DebugPanel::render();

---

📜 License

MIT — See LICENSE for details.