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Chap5, getUserOption function

#1 User is offline   Ashoo 

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  • Posts: 7
  • Joined: 11-August 15

Posted 11 August 2015 - 05:22 PM

GetUserOption function is defined in Project Data Model class:
class Project extends CActiveRecord
{
/**
* @return string the associated database table name
*/
public function tableName()
{
return 'tbl_project';
}

/**
* @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, description', 'required'),
array('create_user_id, update_user_id', 'numerical', 'integerOnly'=>true),
array('name', 'length', 'max'=>255),
array('create_time, update_time', 'safe'),
// The following rule is used by search().
// @todo Please remove those attributes that should not be searched.
array('id, name, description, create_time, create_user_id, update_time, update_user_id', 'safe', 'on'=>'search'),
);
}

/**
* @return array relational rules.
*/
public function relations()
{
return array(
'issues' => array(self::HAS_MANY, 'Issue', 'project_id'),
'users' => array(self::MANY_MANY, 'User', 'tbl_project_user_assignment(project_id, user_id)'),
);
}

/**
* @return array customized attribute labels (name=>label)
*/
public function attributeLabels()
{
return array(
'id' => 'ID',
'name' => 'Name',
'description' => 'Description',
'create_time' => 'Create Time',
'create_user_id' => 'Create User',
'update_time' => 'Update Time',
'update_user_id' => 'Update User',
);
}

/**
* Retrieves a list of models based on the current search/filter conditions.
*
* Typical usecase:
* - Initialize the model fields with values from filter form.
* - Execute this method to get CActiveDataProvider instance which will filter
* models according to data in model fields.
* - Pass data provider to CGridView, CListView or any similar widget.
*
* @return CActiveDataProvider the data provider that can return the models
* based on the search/filter conditions.
*/
public function search()
{
// @todo Please modify the following code to remove attributes that should not be searched.

$criteria=new CDbCriteria;

$criteria->compare('id',$this->id);
$criteria->compare('name',$this->name,true);
$criteria->compare('description',$this->description,true);
$criteria->compare('create_time',$this->create_time,true);
$criteria->compare('create_user_id',$this->create_user_id);
$criteria->compare('update_time',$this->update_time,true);
$criteria->compare('update_user_id',$this->update_user_id);

return new CActiveDataProvider($this, array(
'criteria'=>$criteria,
));
}

/**
* Returns the static model of the specified AR class.
* Please note that you should have this exact method in all your CActiveRecord descendants!
* @param string $className active record class name.
* @return Project the static model class
*/
public static function model($className=__CLASS__)
{
return parent::model($className);
}

/**
* @return array of valid users for this project, indexed by user IDs
*/
public function getUserOptions()
{
$usersArray = CHtml::listData($this->users, 'id', 'username');
return $usersArray;
}
}

and it is used in issue creation form as:
<div class="row">
<?php echo $form->labelEx($model,'owner_id'); ?>
<?php echo $form->dropDownList($model,'owner_id', $model->project->getUserOptions()); ?>
<?php echo $form->error($model,'owner_id'); ?>
</div>

<div class="row">
<?php echo $form->labelEx($model,'requester_id'); ?>
<?php echo $form->dropDownList($model,'requester_id', $model->project->getUserOptions()); ?>
<?php echo $form->error($model,'requester_id'); ?>
</div>
Its giving error:
Fatal error: Call to a member function getUserOptions() on null in C:\xampp\htdocs\trackstar\protected\views\issue\_form.php on line 48

How can we acess project user names from issue controller or issue model classes, I don't have any idea.
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