Implemented the balance field of Leases as part of a single query. This not only reduces the number of queries required, it also allows balance to be a sortable column, so that we can determine which customers are overdue.

git-svn-id: file:///svn-source/pmgr/branches/invoice_receipt_20090629/site@251 97e9348a-65ac-dc4b-aefc-98561f571b83
This commit is contained in:
abijah
2009-07-07 16:08:56 +00:00
parent aa2e647199
commit 011c05d098
4 changed files with 53 additions and 18 deletions

View File

@@ -49,12 +49,39 @@ class LeasesController extends AppController {
$params['action'] = 'all';
}
function jqGridDataTables(&$params, &$model) {
function jqGridDataCountTables(&$params, &$model) {
return array
('link' => array('Unit' => array('fields' => array('Unit.id', 'Unit.name')),
'Customer' => array('fields' => array('Customer.id', 'Customer.name'))));
}
function jqGridDataTables(&$params, &$model) {
$link = $this->jqGridDataCountTables($params, $model);
$link['link']['LedgerEntry'] = array('fields' => array());
$link['link']['LedgerEntry']['Ledger'] = array('fields' => array());
$link['link']['LedgerEntry']['Ledger']['Account'] = array('fields' => array());
// INNER JOIN would be great, as it would ensure we're only looking
// at the ledger entries that we truly want. However, this also
// removes from the query any leases that do not yet have a ledger
// entry in A/R. A solution would be to INNER JOIN these tables,
// and LEFT JOIN it to the rest. Grouping of JOINs, however, is
// implemented with the 'joins' tag, and is not available through
// the Linkable behavior interface.
//$link['link']['LedgerEntry']['Ledger']['Account']['type'] = 'INNER';
$link['link']['LedgerEntry']['Ledger']['Account']['conditions']
= array('Account.id' =>
$this->Lease->LedgerEntry->Ledger->Account->accountReceivableAccountID());
return $link;
}
function jqGridDataFields(&$params, &$model) {
return array("Lease.*",
"SUM(IF(Account.id IS NULL, 0," .
" IF(LedgerEntry.debit_ledger_id = Account.id," .
" 1, -1))" .
" * LedgerEntry.amount) AS 'balance'");
}
function jqGridDataConditions(&$params, &$model) {
$conditions = parent::jqGridDataConditions($params, $model);
@@ -75,18 +102,6 @@ class LeasesController extends AppController {
return parent::jqGridRecordLinks($params, $model, $records, $links);
}
function jqGridDataRecords(&$params, &$model, $query) {
$leases = parent::jqGridDataRecords($params, $model, $query);
// Get the balance on each lease.
foreach ($leases AS &$lease) {
$stats = $this->Lease->stats($lease['Lease']['id']);
$lease['Lease']['balance'] = $stats['balance'];
}
return $leases;
}
/**************************************************************************
**************************************************************************