<?php

class LedgerEntriesController extends AppController {

  var $sidemenu_links = array();


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * override: sideMenuLinks
   *  - Generates controller specific links for the side menu
   */
  function sideMenuLinks() {
    return array_merge(parent::sideMenuLinks(), $this->sidemenu_links);
  }

  
  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * virtuals: jqGridData
   *  - With the application controller handling the jqGridData action,
   *    these virtual functions ensure that the correct data is passed
   *    to jqGrid.
   */

  function jqGridDataTables(&$params, &$model) {
    return array
      ('link' =>
       array(// Models
	     'Transaction' =>
	     array('fields' =>
		   array('Transaction.id', 'Transaction.stamp')),

	     'MonetarySource' =>
	     array('fields' =>
		   array('MonetarySource.id', 'MonetarySource.name')),
	     ),
       );
  }

  function jqGridDataFields(&$params, &$model) {
    return $model->ledgerContextFields($params['custom']['ledger_id'],
				       $params['custom']['account_type']);
  }

  function jqGridDataConditions(&$params, &$model) {
    $conditions = parent::jqGridDataConditions($params, $model);
    $conditions[] = $model->ledgerContextConditions($params['custom']['ledger_id'],
						    $params['custom']['account_type']);
    return $conditions;
  }

  function jqGridRecordLinks(&$params, &$model, &$records, $links) {
    $links['Transaction'] = array('id');
    $links['LedgerEntry'] = array('id');
    return parent::jqGridRecordLinks($params, $model, $records, $links);
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: view
   *  - Displays information about a specific entry
   */

  function view($id = null) {
    if (!$id) {
      $this->Session->setFlash(__('Invalid Item.', true));
      $this->redirect(array('controller' => 'accounts', 'action'=>'index'));
    }

    // Get the LedgerEntry and related fields
    $entry = $this->LedgerEntry->find
      ('first',
       array('contain' => array('MonetarySource.id',
				'MonetarySource.MonetaryType.id',
				'Transaction.id',
				'Transaction.stamp',
				'DebitLedger.id',
				'DebitLedger.sequence',
				'DebitLedger.account_id',
				'CreditLedger.id',
				'CreditLedger.sequence',
				'CreditLedger.account_id',
				),

	     'fields' => array('LedgerEntry.id',
			       'LedgerEntry.amount',
			       'LedgerEntry.comment'),

	     'conditions' => array('LedgerEntry.id' => $id),
	     ));

    // Because 'DebitLedger' and 'CreditLedger' both relate to 'Account',
    // CakePHP will not include them in the LedgerEntry->find (or so it
    // seems).  We'll have to break out each Account separately.

    // Get the Account from DebitLedger
    $account = $this->LedgerEntry->DebitLedger->Account->find
      ('first',
       array('contain' => true,
	     'fields' => array('Account.id', 'Account.name', 'Account.type'),
	     'conditions' => array('Account.id' => $entry['DebitLedger']['account_id']),
	     ));
    $entry['DebitLedger'] = array_merge($entry['DebitLedger'], $account);

    // Get the Account from CreditLedger
    $account = $this->LedgerEntry->CreditLedger->Account->find
      ('first',
       array('contain' => true,
	     'fields' => array('Account.id', 'Account.name', 'Account.type'),
	     'conditions' => array('Account.id' => $entry['CreditLedger']['account_id']),
	     ));
    $entry['CreditLedger'] = array_merge($entry['CreditLedger'], $account);

    // Prepare to render.
    $title = "Ledger Entry #{$entry['LedgerEntry']['id']}";
    $this->set(compact('entry', 'title'));
  }
}