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POYii Model extending / overloading
 

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    <p>I have an Account Model which has some properties and relations, and i have an Reseller model. The point is that a reseller is actually an account only it has the possibility to have accounts beneath it.</p> <p>What is the best approach to implement this, at first i had a special Reseller class with relations between them, but actually i just want an accounts class which if the account is a reseller uses the reseller class.</p> <p><strong>Account model</strong></p> <pre><code>&lt;?php /** * This is the model class for table "account". * * The followings are the available columns in table 'account': * @property string $id * @property string $reseller_id * @property string $name * @property string $invoice_id * @property boolean $is_reseller * * The followings are the available model relations: * @property Reseller $reseller * @property Contact[] $contacts * @property Domain[] $domains * @property HostingAccount[] $hostingAccounts * @property User[] $users */ class Account extends CActiveRecord { /** * Returns the static model of the specified AR class. * @param string $className active record class name. * @return Account the static model class */ public static function model($className = __CLASS__) { return parent::model($className); } /** * @return string the associated database table name */ public function tableName() { return 'account'; } /** * @return array validation rules for model attributes. */ public function rules() { // NOTE: you should only define rules for those attributes that // will receive user inputs. return array( array('name', 'required'), array('id, reseller_id', 'length', 'max' =&gt; 40), array('name', 'length', 'max' =&gt; 45), array('invoice_id', 'length', 'max' =&gt; 10), // The following rule is used by search(). // Please remove those attributes that should not be searched. array('id, reseller_id, name, invoice_id', 'safe', 'on' =&gt; 'search'), ); } /** * @return array relational rules. */ public function relations() { // NOTE: you may need to adjust the relation name and the related // class name for the relations automatically generated below. return array( 'reseller' =&gt; array(self::BELONGS_TO, 'Reseller', 'reseller_id'), 'contacts' =&gt; array(self::HAS_MANY, 'Contact', 'account_id'), 'domains' =&gt; array(self::HAS_MANY, 'Domain', 'account_id'), 'hostingAccounts' =&gt; array(self::HAS_MANY, 'HostingAccount', 'account_id'), 'users' =&gt; array(self::HAS_MANY, 'User', 'account_id'), ); } /** * @return array customized attribute labels (name=&gt;label) */ public function attributeLabels() { return array( 'id' =&gt; 'ID', 'reseller_id' =&gt; 'Reseller', 'name' =&gt; 'Name', 'invoice_id' =&gt; 'Invoice', ); } /** * Retrieves a list of models based on the current search/filter conditions. * @return CActiveDataProvider the data provider that can return the models based on the search/filter conditions. */ public function search() { // Warning: Please modify the following code to remove attributes that // should not be searched. $criteria = new CDbCriteria; $criteria-&gt;compare('id', $this-&gt;id, true); $criteria-&gt;compare('reseller_id', $this-&gt;reseller_id, true); $criteria-&gt;compare('name', $this-&gt;name, true); $criteria-&gt;compare('invoice_id', $this-&gt;invoice_id, true); return new CActiveDataProvider($this, array( 'criteria' =&gt; $criteria, )); } /** * Adds UUID before the item is saved * */ public function beforeSave() { if ($this-&gt;isNewRecord) $this-&gt;id = new CDbExpression('UUID()'); return parent::beforeSave(); } } </code></pre> <p><strong>Reseller Model</strong></p> <pre><code>&lt;?php class Reseller extends Account { /** * @return array relational rules. */ public function relations() { // NOTE: you may need to adjust the relation name and the related // class name for the relations automatically generated below. return array( 'reseller' =&gt; array(self::BELONGS_TO, 'Reseller', 'reseller_id'), 'contacts' =&gt; array(self::HAS_MANY, 'Contact', 'account_id'), 'domains' =&gt; array(self::HAS_MANY, 'Domain', 'account_id'), 'hostingAccounts' =&gt; array(self::HAS_MANY, 'HostingAccount', 'account_id'), 'users' =&gt; array(self::HAS_MANY, 'User', 'account_id'), 'accounts' =&gt; array(self::HAS_MANY, 'Account', 'reseller_id'), 'account' =&gt; array(self::BELONGS_TO, 'Account', 'account_id'), ); } } </code></pre>
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