DAO

The DAO class is responsible for loading and persistence operations on models :

Loading data

Loading an instance

Loading an instance of the models\User class with id 5

use Ubiquity\orm\DAO;

$user=DAO::getOne("models\User",5);

BelongsTo loading

By default, members defined by a belongsTo relationship are automatically loaded

Each user belongs to only one category:

$user=DAO::getOne("models\User",5);
echo $user->getCategory()->getName();

It is possible to prevent this default loading ; the third parameter allows the loading or not of belongsTo members:

$user=DAO::getOne("models\User",5, false);
echo $user->getCategory();// NULL

HasMany loading

Loading hasMany members must always be explicit ; the fourth parameter allows the loading of hasmany members.

Each user has many groups:

$user=DAO::getOne("models\User",5,true,true);
foreach($user->getGroupes() as $groupe){
    echo $groupe->getName()."<br>";
}

Composite primary key

Either the ProductDetail model corresponding to a product ordered on a command and whose primary key is composite:

app/models/Products.php

 namespace models;
 class ProductDetail{
     /**
      * @id
     */
     private $idProduct;

     /**
      * @id
     */
     private $idCommand;

     ...
 }

The second parameter $keyValues can be an array if the primary key is composite:

$productDetail=DAO::getOne("models\ProductDetail",[18,'BF327']);
echo 'Command:'.$productDetail->getCommande().'<br>';
echo 'Product:'.$productDetail->getProduct().'<br>';

Loading multiple objects

Loading instances of the User class:

$users=DAO::getAll("models\User");
foreach($users as $user){
    echo $user->getName()."<br>";
}