Minor fixes to statement, services and internal things

Many misc updates

modules/invoice/classes/model/invoice.php

@@ -148,7 +148,7 @@ class Model_Invoice extends ORMOSB {
 	}
 
 	/**
-	 * Get a list of services on an invoice
+	 * Get a list of invoice_items for a service_id on an invoice
 	 *
 	 * We use this to list details by service on an invoice.
 	 */
@@ -158,15 +158,15 @@ class Model_Invoice extends ORMOSB {
 			$items = $this->items();
 
 		foreach ($items as $ito)
-			if ($ito->service_id AND empty($result[$ito->service_id])) 
-				$result[$ito->service_id] = $ito->service;
+			if ($ito->service_id AND empty($result[$ito->service_id]))
+				$result[$ito->service_id] = $ito;
 
 		return $result;
 	}
 
 	/**
 	 * Return all invoice items for a service optionally by recurring schedule
- 	 */
+	 */
 	public function items_service($sid,$rs=NULL) {
 		$result = array();
 		$items = $this->items();
@@ -211,11 +211,11 @@ class Model_Invoice extends ORMOSB {
 		$result = array();
 
 		foreach ($this->items() as $ito) {
-			// We conly summaries item_type=0
+			// We only summarise item_type=0
 			if (! $ito->item_type == 0)
 				continue;
 
-			$t = $ito->product_id;
+			$t = $ito->product->name();
 
 			if (! isset($result[$t])) {
 				$result[$t]['quantity'] = 0;
@@ -303,14 +303,17 @@ class Model_Invoice extends ORMOSB {
 	}
 
 	public function min_due($date) {
-		// @todo This should be configurable;
-		return ($date < time()) ? time() : $date;
+		return ($date < time()) ? time()+Kohana::config('config.invoice.min_due_days')*86400 : $date;
 	}
 
 	public function save(Validation $validation = NULL) {
 		// Our items will be clobbered once we save the object, so we need to save it here.
 		$items = $this->items();
 
+		// @todo This is added here so we can do payments
+		$this->total_amt = $this->total();
+		$this->billed_amt = 0;
+
 		// Save the invoice
 		parent::save($validation);
 
@@ -331,12 +334,14 @@ class Model_Invoice extends ORMOSB {
 					throw new Kohana_Exception('Problem saving invoice_item for invoice :invoice - Failed save()',array(':invoice'=>$invoice->id));
 				}
 
-				// @todo Need to save tax information
 				// @todo Need to save discount information
 			}
 
+
 		} else
 			throw new Kohana_Exception('Couldnt save invoice for some reason?');
+
+		return TRUE;
 	}
 
 	/**
@@ -387,13 +392,29 @@ class Model_Invoice extends ORMOSB {
 		return $this->saved();
 	}
 
+	/**
+	 * Return a list of affiliates associated with this invoice (via the service)
+	 */
+	public function service_affiliates() {
+		$return = array();
+
+		foreach ($this->items() as $io)
+			array_push($return,$io->service->affiliate_id);
+
+		return $return;
+	}
+
 	/** LIST FUNCTIONS **/
 
+	private function _list_active() {
+		return ORM::factory('invoice')->where('status','=',1);
+	}
+
 	private function _list_due() {
 		static $result = array();
 
 		if (! $result)
-			foreach (ORM::factory('invoice')->where('status','=',1)->find_all() as $io)
+			foreach ($this->_list_active()->find_all() as $io)
 				if ($io->due())
 					array_push($result,$io);
 
@@ -445,12 +466,20 @@ class Model_Invoice extends ORMOSB {
 			if ($io->due_date > time())
 				if (is_null($time))
 					array_push($result,$io);
-				elseif ($this->due_date <= $time)
+				elseif ($io->due_date <= $time)
 					array_push($result,$io);
 
 		return $result;
 	}
 
+	/**
+	 * Return a list of invoices that need to be sent.
+	 * @todo This should be optimised a little to return only invoices to send, instead of looking for them.
+	 */
+	public function list_tosend() {
+		return ORM::factory('invoice')->where('status','=',1)->where_open()->where('print_status','is',NULL)->or_where('print_status','!=',1)->where_close();
+	}
+
 	public function html() {
 		// @todo This should be in a config file.
 		$css = '<style type="text/css">';