Added transaction stats. Added (possibly unwanted) columns.

git-svn-id: file:///svn-source/pmgr/branches/yafr_20090716/site@389 97e9348a-65ac-dc4b-aefc-98561f571b83

app_controller.php

@@ -309,15 +309,37 @@ class AppController extends Controller {
       }
 
       $table = $this->gridDataFilterTablesTable($params, $model, $tbl);
-      if (!$table || $table == $model->alias)
+      if (!$table)
 	continue;
 
-      // If the table is already part of the query, don't replace it
-      if (isset($query[$link][$table]) || in_array($table, $query[$link]))
-	continue;
+      $config = $this->gridDataFilterTablesConfig($params, $model, $tbl);
+
+/*       pr(array('pre-filter-table-config' =>  */
+/* 	       array('query[link]' => $query[$link], */
+/* 		     'config' => $config))); */
+
+      // If the table is already part of the query, append to it
+      if ($table == $model->alias) {
+	$query[$link] = 
+	  array_merge_recursive($query[$link], $config);
+      }
+      elseif (isset($query[$link][$table])) {
+	$query[$link][$table] = 
+	  array_merge_recursive($query[$link][$table], $config);
+      }
+      elseif (in_array($table, $query[$link])) {
+	$key = array_search($table, $query[$link]);
+	$query[$link][$key] = 
+	  array_merge_recursive($query[$link][$key], $config);
+      }
+      else {
+	// Table is NOT already part of the query... set it now
+	$query[$link][$table] = $config;
+      }
+
+/*       pr(array('post-filter-table-config' =>  */
+/* 	       array('query[link]' => $query[$link]))); */
 
-      $query[$link][$table]
-	= $this->gridDataFilterTablesConfig($params, $model, $table);
     }
 
     return $query;
@@ -351,12 +373,12 @@ class AppController extends Controller {
       if (!$table)
 	continue;
 
-      $key = $this->gridDataFilterConditionsKey($params, $model, $table, $id);
+      $key = $this->gridDataFilterConditionsKey($params, $model, $tbl, $id);
       if (!$key)
 	continue;
 
       $conditions[]
-	= $this->gridDataFilterConditionsStatement($params, $model, $table, $key, $value);
+	= $this->gridDataFilterConditionsStatement($params, $model, $tbl, $key, $value);
     }
 
     return $conditions;

controllers/ledger_entries_controller.php

@@ -62,9 +62,34 @@ class LedgerEntriesController extends AppController {
     // Ensure we don't add it in again as part of filtering.
     if ($table == 'Account')
       return null;
+
+    // Customer needs to be added beneath Transaction
+    if ($table == 'Customer')
+      return 'Transaction';
+
     return $table;
   }
 
+  function gridDataFilterTablesConfig(&$params, &$model, $table) {
+    $config = parent::gridDataFilterTablesConfig($params, $model, $table);
+
+    // Customer is special in that its linked in by Transaction
+    // Therefore, the actual table used for the join is 'Transaction',
+    // not 'Customer', and so we need to specify Customer here.
+    if ($table == 'Customer')
+      $config = array('Customer' => $config);
+
+    return $config;
+  }
+
+  function gridDataFilterConditionsStatement(&$params, &$model, $table, $key, $value) {
+    pr(compact('table', 'key', 'value'));
+    if ($table == 'Account' && $value == '-AR-')
+      $value = $this->LedgerEntry->Ledger->Account->accountReceivableAccountID();
+    return parent::gridDataFilterConditionsStatement($params, $model, $table, $key, $value);
+  }
+
+
   function gridDataOrder(&$params, &$model, $index, $direction) {
 /*     if ($index === 'balance') */
 /*       return ($index .' '. $direction); */

controllers/transactions_controller.php

@@ -41,6 +41,22 @@ class TransactionsController extends AppController {
    *    to jqGrid.
    */
 
+  function gridDataCountTables(&$params, &$model) {
+    return parent::gridDataTables($params, $model);
+  }
+
+  function gridDataTables(&$params, &$model) {
+    $link = $this->gridDataCountTables($params, $model);
+    $link['link']['StatementEntry'] = array('fields' => array());
+    return $link;
+  }
+
+  function gridDataFields(&$params, &$model) {
+    $fields = parent::gridDataFields($params, $model);
+    $fields[] = 'COUNT(StatementEntry.id) AS entries';
+    return $fields;
+  }
+
   function gridDataPostProcessLinks(&$params, &$model, &$records, $links) {
     $links['Transaction'] = array('id');
     return parent::gridDataPostProcessLinks($params, $model, $records, $links);

models/account.php

@@ -107,9 +107,10 @@ class Account extends AppModel {
    *    on the overall balance of the account.
    */
 
-  function debitCreditFields($sum = false, $entry_name = 'LedgerEntry', $account_name = 'Account') {
+  function debitCreditFields($sum = false, $balance = true,
+			     $entry_name = 'LedgerEntry', $account_name = 'Account') {
     return $this->LedgerEntry->debitCreditFields
-      ($sum, $entry_name, $account_name);
+      ($sum, $balance, $entry_name, $account_name);
   }
 
 

models/ledger.php

@@ -110,9 +110,10 @@ class Ledger extends AppModel {
    *    entries are a debit, or a credit, and also the effect each have
    *    on the overall balance of the ledger.
    */
-  function debitCreditFields($sum = false, $entry_name = 'LedgerEntry', $account_name = 'Account') {
+  function debitCreditFields($sum = false, $balance = true,
+			     $entry_name = 'LedgerEntry', $account_name = 'Account') {
     return $this->LedgerEntry->debitCreditFields
-      ($sum, $entry_name, $account_name);
+      ($sum, $balance, $entry_name, $account_name);
   }
 
   /**************************************************************************

models/ledger_entry.php

@@ -44,7 +44,8 @@ class LedgerEntry extends AppModel {
    *    on the overall balance of the account/ledger.
    */
 
-  function debitCreditFields($sum = false, $entry_name = 'LedgerEntry', $account_name = 'Account') {
+  function debitCreditFields($sum = false, $balance = true,
+			     $entry_name = 'LedgerEntry', $account_name = 'Account') {
     $fields = array
       (
        ($sum ? 'SUM(' : '') .
@@ -56,14 +57,16 @@ class LedgerEntry extends AppModel {
        "IF({$entry_name}.crdr = 'CREDIT'," .
        "   {$entry_name}.amount, NULL)" .
        ($sum ? ')' : '') . ' AS credit' . ($sum ? 's' : ''),
+       );
 
+    if ($balance)
+      $fields[] = 
 	($sum ? 'SUM(' : '') .
 	"IF(${account_name}.type IN ('ASSET', 'EXPENSE')," .
 	"   IF({$entry_name}.crdr = 'DEBIT',  1, -1)," .
 	"   IF({$entry_name}.crdr = 'CREDIT', 1, -1))" .
 	" * IF({$entry_name}.amount, {$entry_name}.amount, 0)" .
-       ($sum ? ')' : '') . ' AS balance',
-       );
+	($sum ? ')' : '') . ' AS balance';
 
     if ($sum)
       $fields[] = "COUNT({$entry_name}.id) AS entries";

models/transaction.php

@@ -9,6 +9,27 @@ class Transaction extends AppModel {
 	var $hasMany = array(
 		'LedgerEntry',
 		'StatementEntry',
+
+		'Charge' => array(
+			'className' => 'StatementEntry',
+			'conditions' => array('Charge.type' => 'CHARGE')
+		),
+
+		'Payment' => array(
+			'className' => 'StatementEntry',
+			'conditions' => array('Payment.type' => 'PAYMENT')
+		),
+
+		'Debit' => array(
+			'className' => 'LedgerEntry',
+			'conditions' => array('Debit.crdr' => 'DEBIT')
+		),
+
+		'Credit' => array(
+			'className' => 'LedgerEntry',
+			'conditions' => array('Credit.crdr' => 'CREDIT')
+		),
+
 	);
 
 
@@ -340,5 +361,62 @@ class Transaction extends AppModel {
   }
 
 
+  /**************************************************************************
+   **************************************************************************
+   **************************************************************************
+   * function: stats
+   *  - Returns summary data from the requested transaction
+   */
+  function stats($id = null, $query = null) {
+    //pr(array('Transaction::stats' => compact('id', 'query')));
+
+    $this->queryInit($query);
+    unset($query['group']);
+
+    if (isset($id)) {
+      $query['conditions'][] = array('Transaction.id' => $id);
+      $query['group'] = 'Transaction.id';
+    }
+    else
+      // CakePHP seems to automagically add in our ID as a part
+      // of the query conditions, but only on a 'first' query,
+      // not an 'all'.  I suppose this is helpful :-/
+      unset($this->id);
+
+    if (empty($query['fields']))
+      $query['fields'] = array();
+
+    $stats = array();
+    foreach (array_keys($this->hasMany) AS $table) {
+      $squery = $query;
+      $squery['link'][$table] = array('fields' => array());
+
+      if ($table == 'LedgerEntry') {
+	$squery['fields'] = array_merge($squery['fields'],
+					$this->LedgerEntry->debitCreditFields(true, false));
+      }
+      elseif ($table == 'StatementEntry') {
+	$squery['fields'] = array_merge($squery['fields'],
+					$this->StatementEntry->chargePaymentFields(true));
+      }
+      else {
+	$squery['fields'][] = "SUM({$table}.amount) AS total";
+	$squery['fields'][] = "COUNT({$table}.id) AS entries";
+      }
+      $stats[$table] = $this->find('first', $squery);
+      // REVISIT <AP>: 20090724
+      //   [0][0] is for when we do an 'all' query.  This can
+      //   be removed at some point, but I'm keeping it while
+      //   toggling between 'all' and 'first' (testing).
+      if (isset($stats[$table][0][0]))
+	$stats[$table] += $stats[$table][0][0];
+      else
+	$stats[$table] += $stats[$table][0];
+      unset($stats[$table][0]);
+    }
+
+    //pr(array('Transaction::stats' => array('return' => compact('stats'))));
+    return $stats;
+  }
 }
 ?>

views/customers/view.ctp

@@ -86,6 +86,31 @@ echo $this->element('statement_entries', array
 		      )));
 
 
+/**********************************************************************
+ * Customer Ledger History
+ */
+
+/*
+ * REVISIT <AP>: 20090724
+ *  It's not my intention to really include this, as I believe it
+ *  just will confuse folks.  However, I've added it at the moment
+ *  to help me see the picture of what's happening.  It may prove
+ *  useful with respect to identifying pre-payments, so after using
+ *  it for a while, maybe we can get a feeling for that.  I suspect
+ *  it will be MUCH more useful just to add the pre-pay amount to
+ *  the info box, or provide a list of ledger entries that are JUST
+ *  pre-payments.  We'll see...
+ */
+echo $this->element('ledger_entries', array
+		    (// Grid configuration
+		     'config' => array
+		     ('caption' => 'Ledger Entries',
+		      'filter' => array('Customer.id' => $customer['Customer']['id'],
+					'Account.id !=' => '-AR-'),
+		      'exclude' => array('Customer'),
+		      )));
+
+
 /* End "detail supporting" div */
 echo '</div>' . "\n";
 

views/elements/transactions.ctp

@@ -7,6 +7,7 @@ $cols['Type']      = array('index' => 'Transaction.type',          'formatter' =
 //$cols['Customer']  = array('index' => 'Customer.name',             'formatter' => 'longname');
 $cols['Timestamp'] = array('index' => 'Transaction.stamp',         'formatter' => 'date');
 $cols['Amount']    = array('index' => 'Transaction.amount',        'formatter' => 'currency');
+$cols['entries']   = array('index' => 'entries',                   'formatter' => 'number');
 $cols['Comment']   = array('index' => 'Transaction.comment',       'formatter' => 'comment');
 
 // Render the grid