e0d9edc4a8
git-svn-id: file:///svn-source/pmgr/branches/ledger_transactions_20090605/site@82 97e9348a-65ac-dc4b-aefc-98561f571b83
87 lines
2.7 KiB
PHP
87 lines
2.7 KiB
PHP
<?php
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class LedgerEntry extends AppModel {
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var $name = 'LedgerEntry';
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var $validate = array(
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'id' => array('numeric'),
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'transaction_id' => array('numeric'),
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'amount' => array('money')
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);
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var $belongsTo = array(
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'MonetarySource',
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'Transaction',
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'DebitLedger' => array(
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'className' => 'Ledger',
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'foreignKey' => 'debit_ledger_id',
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),
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'CreditLedger' => array(
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'className' => 'Ledger',
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'foreignKey' => 'credit_ledger_id',
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),
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);
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/**************************************************************************
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**************************************************************************
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**************************************************************************
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* function: conditionEntryAsCreditOrDebit
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* - returns the condition necessary to match a set of
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* Ledgers to all related LedgerEntries
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*/
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function conditionEntryAsCreditOrDebit($ledger_ids) {
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return array('OR' =>
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array(array('debit_ledger_id' => $ledger_ids),
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array('credit_ledger_id' => $ledger_ids)));
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}
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/**************************************************************************
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**************************************************************************
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**************************************************************************
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* function: findInLedgerContext
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* - Returns an array of ledger entries that belong to a given ledger.
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* There is extra logic to also figure out whether the ledger_entry
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* amount is either a credit, or a debit, depending on how it was
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* written into the ledger, as well as whether the amount increases or
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* decreases the balance depending on the particular account type of
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* the ledger.
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*/
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function findInLedgerContext($ledger_id, $account_type, $cond = null, $link = null) {
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if (!isset($link))
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$link = array('Transaction');
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if (in_array($account_type, array('ASSET', 'EXPENSE')))
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$ledger_type = 'debit';
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else
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$ledger_type = 'credit';
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$entries = $this->find
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('all',
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array('link' => $link,
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'fields' =>
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array('id', 'name', 'comment',
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"IF(LedgerEntry.debit_ledger_id = $ledger_id," .
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" LedgerEntry.amount, NULL) AS debit",
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"IF(LedgerEntry.credit_ledger_id = $ledger_id," .
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" LedgerEntry.amount, NULL) AS credit",
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"(IF(LedgerEntry.{$ledger_type}_ledger_id = $ledger_id, 1, -1)" .
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" * LedgerEntry.amount) AS balance"),
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'conditions' =>
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array(isset($cond) ? $cond : array(),
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'OR' =>
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array(array('LedgerEntry.debit_ledger_id' => $ledger_id),
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array('LedgerEntry.credit_ledger_id' => $ledger_id))),
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'order' =>
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array('Transaction.stamp'),
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));
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return $entries;
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}
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}
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?>
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