<?php

class TransactionsController extends AppController {
  var $paginate = array('limit' => 100,
			'group' => 'Transaction.id',
			'order' => array('Transaction.stamp' => 'ASC'));

  var $sidemenu_links =
    array(array('name' => 'Transactions',        'header' => true),
	  array('name' => 'Cleared',      'url' => array('controller' => 'transactions', 'action' => 'cleared')),
	  array('name' => 'Unresolved',   'url' => array('controller' => 'transactions', 'action' => 'unresolved')),
	  );


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * override: sideMenuLinks
   *  - Generates controller specific links for the side menu
   */
  function sideMenuLinks() {
    return array_merge(parent::sideMenuLinks(), $this->sidemenu_links);
  }

  
  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: index
   *  - Lists all transactions
   */

  function index() {
    $this->all();
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: cleared
   *  - Lists cleared transactions
   */

  function cleared() {
    $this->all();
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: unresolved
   *  - Lists unresolved transactions
   */

  function unresolved() {
    $this->all();
  }



  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: all
   *  - Lists all transactions
   */

  function all() {
    $this->paginate = array_merge
      ($this->paginate,
       array('link' =>
	     array(// Models
		   'Customer',
		   'LedgerEntry' => array('DebitLedger', 'CreditLedger')
		   ),
	     ));

    $title = 'All Transactions';
    $this->set('title', $title); $this->set('heading', $title);
    $this->set('transactions', $this->paginate());
    $this->render('index');
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: view
   *  - Displays information about a specific transaction
   */

  function view($id = null) {
    if (!$id) {
      $this->Session->setFlash(__('Invalid Item.', true));
      $this->redirect(array('action'=>'index'));
    }

    $this->Transaction->Behaviors->attach('Containable');
    $this->Transaction->contain
      (array(// Models
	     'LedgerEntry' => array(//Models
				    'DebitLedger',
				    'CreditLedger',
				    ),
	     )
       );
    $transaction = $this->Transaction->read(null, $id);
    $this->Transaction->Behaviors->detach('Containable');

    // Figure out the transaction total
    $total = 0;
    foreach($transaction['LedgerEntry'] AS $entry)
      $total += $entry['amount'];

    // OK, prepare to render.
    $title = 'Transaction #' . $transaction['Transaction']['id'];
    $this->set(compact('transaction', 'title', 'total'));
  }
}