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<?php
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class EditUser extends TPage
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{
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/**
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* Initializes the inputs with existing user data.
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* This method is invoked by the framework when the page is being initialized.
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* @param mixed event parameter
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*/
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public function onInit($param)
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{
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parent::onInit($param);
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if(!$this->IsPostBack) // if the page is initially requested
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{
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// Retrieves the existing user data. This is equivalent to:
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// $userRecord=$this->getUserRecord();
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$userRecord=$this->UserRecord;
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// Populates the input controls with the existing user data
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$this->Username->Text=$userRecord->username;
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$this->Email->Text=$userRecord->email;
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$this->Role->SelectedValue=$userRecord->role;
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$this->FirstName->Text=$userRecord->first_name;
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$this->LastName->Text=$userRecord->last_name;
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}
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}
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/**
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* Saves the user account if all inputs are valid.
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* This method responds to the OnClick event of the "save" button.
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* @param mixed event sender
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* @param mixed event parameter
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*/
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public function saveButtonClicked($sender,$param)
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{
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if($this->IsValid) // when all validations succeed
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{
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// Retrieves the existing user data. This is equivalent to:
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$userRecord=$this->UserRecord;
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// Fetches the input data
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$userRecord->username=$this->Username->Text;
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// update password when the input is not empty
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if(!empty($this->Password->Text))
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$userRecord->password=$this->Password->Text;
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$userRecord->email=$this->Email->Text;
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// update the role if the current user is an administrator
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if($this->User->IsAdmin)
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$userRecord->role=(int)$this->Role->SelectedValue;
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$userRecord->first_name=$this->FirstName->Text;
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$userRecord->last_name=$this->LastName->Text;
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// saves to the database via Active Record mechanism
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$userRecord->save();
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// redirects the browser to the homepage
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$this->Response->redirect($this->Service->DefaultPageUrl);
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}
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}
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/**
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* Returns the user data to be editted.
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* @return UserRecord the user data to be editted.
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* @throws THttpException if the user data is not found.
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*/
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protected function getUserRecord()
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{
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// the user to be editted is the currently logged-in user
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$username=$this->User->Name;
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// if the 'username' GET var is not empty and the current user
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// is an administrator, we use the GET var value instead.
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if($this->User->IsAdmin && $this->Request['username']!==null)
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$username=$this->Request['username'];
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// use Active Record to look for the specified username
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$userRecord=UserRecord::finder()->findByPk($username);
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if(!($userRecord instanceof UserRecord))
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throw new THttpException(500,'Username is invalid.');
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return $userRecord;
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}
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}
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?>
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