Revamping invoice rendering

modules/invoice/classes/Invoice.php

@@ -59,8 +59,7 @@ class Invoice {
 
 		$iio = ORM::factory('Invoice_Item');
 		$iio->service_id = $so->id;
-		$iio->module_id = $so->product->mid();
+		$iio->product_id = $so->product->id;
-		$iio->module_ref = $so->product_id;
 		$iio->quantity = $pdata['prorata'];
 		$iio->price_base = $so->price();
 		$iio->recurring_schedule = $so->recur_schedule;
@@ -81,6 +80,7 @@ class Invoice {
 		foreach ($c->find_all() as $co) {
 			$iio = ORM::factory('Invoice_Item');
 			$iio->service_id = $co->service_id;
+			$iio->product_id = $co->service->product_id;
 			$iio->module_id = $co->mid();
 			$iio->module_ref = $co->id;
 			$iio->quantity = $co->quantity;
@@ -174,6 +174,11 @@ class Invoice {
 			case 'html':
 				switch ($section) {
 					case 'body':
+						if (! $this->_io->status)
+							Style::factory()
+								->type('file')
+								->data('media/css/pages/invoice.css');
+
 						return View::factory('invoice/user/view/body')
 							->set('show_id',(isset($args['noid']) AND $args['noid']) ? FALSE : TRUE)
 							->set('o',$this->_io);

modules/invoice/classes/Model/Invoice.php

@@ -43,7 +43,7 @@ class Model_Invoice extends ORM_OSB implements Cartable {
 
 	// Items belonging to an invoice
 	protected $_sub_items_load = array(
-		'invoice_item'=>array('service_id','item_type','date_start','date_stop'),
+		'invoice_item'=>array('service_id','product_id','item_type','date_start','date_stop'),
 	);
 
 	protected $_compress_column = array(
@@ -67,12 +67,6 @@ class Model_Invoice extends ORM_OSB implements Cartable {
 		return new Cart_Item(1,sprintf('Invoice: %s',$this->refnum()),$this->due());
 	}
 
-	public function add_sub_item(Model_Invoice_Item $iio,$taxed=FALSE) {
-		$iio->add_sub_item($this->account->country,$taxed);
-
-		$this->subitem_add($iio);
-	}
-
 	/**
 	 * Return if this invoice is already in the cart
 	 */
@@ -80,7 +74,16 @@ class Model_Invoice extends ORM_OSB implements Cartable {
 		return count(Cart::instance()->get($this->mid(),$this->id));
 	}
 
-	// Our local methods
+	/** LOCAL METHODS **/
+
+	/**
+	 * Add items to the invoice while building it
+	 */
+	public function add_sub_item(Model_Invoice_Item $iio,$taxed=FALSE) {
+		$iio->add_sub_item($this->account->country,$taxed);
+
+		$this->subitem_add($iio);
+	}
 
 	/**
 	 * Return a list of valid checkout options for this invoice
@@ -136,6 +139,66 @@ class Model_Invoice extends ORM_OSB implements Cartable {
 			return array_keys($this->_render['SCHED']);
 	}
 
+	/**
+	 * Return an array of items to render, in appropriate order
+	 */
+	public function items_render() {
+		$result = $track = array();
+
+		// If the invoice hasnt been saved, then we'll need to assign some fake IDs to the items
+		$c = 0;
+		if (! $this->_loaded)
+			foreach ($this->_sub_items as $iio)
+				$iio->id = 'FAKE:'.$c++;
+
+		// First work through our recurring schedule items
+		$result['s'] = array();
+		foreach ($this->recur_schedules() as $rs)
+			foreach ($this->recur_schedule_services($rs) as $sid)
+				foreach ($this->service_products($sid) as $pid) {
+					// Get all the services with this recur schedule first, then get service charges with rs=NULL
+					foreach ($this->_sub_items as $iio) {
+
+						// If this is not the recur schedule or service we are working with, skip it
+						if ($iio->service_id != $sid OR $iio->product_id != $pid OR $iio->recurring_schedule != $rs OR in_array($iio->id,$track))
+							continue;
+
+						// Ensure we dont process this item again
+						array_push($track,$iio->id);
+
+						if (! $iio->void)
+							array_push($result['s'],$iio);
+					}
+
+					// Get all the items for this service with a NULL rs
+					foreach ($this->_sub_items as $iio) {
+						// If this is not the recur schedule or service we are working with, skip it
+						if ($iio->service_id != $sid OR $iio->product_id != $pid OR ! is_null($iio->recurring_schedule) OR in_array($iio->id,$track))
+							continue;
+
+						// Ensure we dont process this item again
+						array_push($track,$iio->id);
+
+						if (! $iio->void)
+							array_push($result['s'],$iio);
+					}
+				}
+
+		// Next get the items we havent already got
+		$result['other'] = array();
+		foreach ($this->_sub_items as $iio)
+			if (! in_array($iio->id,$track))
+				array_push($result['other'],$iio);
+
+		// Debug
+		#foreach ($result['s'] as $iio)
+		#	echo Debug::vars(array('s'=>$iio->object()));
+		#foreach ($result['other'] as $iio)
+		#	echo Debug::vars(array('o'=>$iio->object()));
+
+		return $result;
+	}
+
 	/**
 	 * Return a summary of all itemss on an invoice
 	 */
@@ -230,6 +293,38 @@ class Model_Invoice extends ORM_OSB implements Cartable {
 		}
 	}
 
+	/**
+	 * For a particular recurring schedule, get al lthe services
+	 */
+	private function recur_schedule_services($rs) {
+		$result = array();
+
+		if (! $rs)
+			return $result;
+
+		foreach ($this->_sub_items as $o)
+			if ($o->service_id AND $o->recurring_schedule == $rs AND ! in_array($o->service_id,$result))
+				array_push($result,$o->service_id);
+
+		return $result;
+	}
+
+	/**
+	 * Get the recurring schedules on an invoice
+	 * Exclude any NULL recurring schedules
+	 */
+	private function recur_schedules() {
+		$result = array();
+
+		foreach ($this->_sub_items as $o)
+			if (! is_null($o->recurring_schedule) AND ! in_array($o->recurring_schedule,$result))
+				array_push($result,$o->recurring_schedule);
+
+		sort($result);
+
+		return $result;
+	}
+
 	/**
 	 * Check the reminder value
 	 */
@@ -389,6 +484,29 @@ class Model_Invoice extends ORM_OSB implements Cartable {
 		return $format ? Currency::display($result) : $result;
 	}
 
+	/**
+	 * For a particular service, get all the products
+	 */
+	private function service_products($sid) {
+		$result = array();
+
+		foreach ($this->_sub_items as $o)
+			if ($o->product_id AND $o->service_id == $sid AND ! in_array($o->product_id,$result))
+				array_push($result,$o->product_id);
+
+		return $result;
+	}
+
+	public function service_products_total($sid,$pid,$format=FALSE) {
+		$result = 0;
+
+		foreach ($this->_sub_items as $o)
+			if ($o->service_id == $sid AND $o->product_id == $pid)
+				$result += $o->total();
+
+		return $format ? Currency::display($result) : $result;
+	}
+
 	public function set_remind($key,$value,$add=FALSE) {
 		$x = $this->reminders;
 

modules/invoice/classes/Model/Invoice/Item.php

@@ -13,8 +13,11 @@ class Model_Invoice_Item extends ORM_OSB {
 	// Relationships
 	protected $_belongs_to = array(
 		'invoice'=>array(),
-		'service'=>array()
+		'module'=>array(),
+		'product'=>array(),
+		'service'=>array(),
 	);
+
 	protected $_has_many = array(
 		'tax'=>array('model'=>'Invoice_Item_Tax','far_key'=>'id')
 	);
@@ -29,6 +32,9 @@ class Model_Invoice_Item extends ORM_OSB {
 		'date_stop'=>array(
 			array('Site::Date',array(':value')),
 		),
+		'recurring_schedule'=>array(
+			array('StaticList_RecurSchedule::get',array(':value')),
+		),
 	);
 
 	// Items belonging to an invoice item
@@ -38,40 +44,81 @@ class Model_Invoice_Item extends ORM_OSB {
 
 	/**
 	 * Invoice Item Types
+	 *
+	 * @see isValid()
 	 */
 	private $_item_type = array(
-		0=>'Product/Service Charge',		// Line Charge Topic on Invoice, eg: Service Name, must have corresponding SERVICE_ID
+		0=>'Product/Service',			// * Line Charge Topic on Invoice.
-		1=>'Hardware',
+		1=>'Hardware',				// *
-		2=>'Service Relocation Fee',		// Must have corresponding SERVICE_ID
+		2=>'Service Relocation Fee',		// * Must have corresponding SERVICE_ID
-		3=>'Service Change Fee',		// Must have corresponding SERVICE_ID
+		3=>'Service Change Fee',		// * Must have corresponding SERVICE_ID
-		4=>'Service Connection Fee',		// Must have corresponding SERVICE_ID
+		4=>'Service Connection Fee',		// * Must have corresponding SERVICE_ID
-		5=>'Excess Usage',			// Excess Service Item, of item 0, must have corresponding SERVICE_ID
+		5=>'Excess Usage',			// * Excess Service Item, of item 0, must have corresponding SERVICE_ID
-		6=>'Service Cancellation Fee',		// Must have corresponding SERVICE_ID
+		6=>'Service Cancellation Fee',		// * Must have corresponding SERVICE_ID
-		7=>'Extra Product/Service Charge',	// Service Billing in advance, Must have corresponding SERVICE_ID
+		7=>'Extra Product/Service Charge',	// * Service Billing in advance, Must have corresponding SERVICE_ID
-		8=>'Product Addition',			// Additional Product Customisation, Must have corresponding SERVICE_ID
+		8=>'Product Addition',			// * Additional Product Customisation, Must have corresponding SERVICE_ID
-		9=>'Module Charge',			// Must have corresponding SERVICE_ID
+		120=>'Credit/Debit Transfer',		// * SERVICE_ID is NULL, MODULE_ID is NULL, MODULE_REF is NULL : INVOICE_ID is NOT NULL
-		120=>'Credit/Debit Transfer',		// SERVICE_ID is NULL, MODULE_ID is NULL, MODULE_REF is NULL : INVOICE_ID is NOT NULL
+		124=>'Late Payment Fee',		// * SERVICE_ID is NULL, MODULE_ID = CHECKOUT MODULE, 
-		124=>'Late Payment Fee',		// SERVICE_ID is NULL, MODULE_ID = CHECKOUT MODULE, 
+		125=>'Payment Fee',			// * SERVICE_ID is NULL, MODULE_ID = CHECKOUT MODULE, MODULE_REF = CHECKOUT NAME
-		125=>'Payment Fee',			// SERVICE_ID is NULL, MODULE_ID = CHECKOUT MODULE, MODULE_REF = CHECKOUT NAME
+		126=>'Other',				// * MODEL_ID should be a module
-		126=>'Other',				// MODEL_ID should be a module
+		127=>'Rounding',			// * SERVICE_ID is NULL, MODULE_ID is NULL, MODULE_REF is NULL
-		127=>'Rounding',			// SERVICE_ID is NULL, MODULE_ID is NULL, MODULE_REF is NULL
 	);
 
 	/** REQUIRED ABSTRACT METHODS **/
 
 	public function name($variable=NULL) {
+		if (! $this->isValid())
+			return sprintf('Record Error [%s-%s]',$this->item_type,$this->id);
+
 		switch ($this->item_type) {
+			case 0:
+			case 3:
+			case 4:
+			case 5:
+				return sprintf('%s: %s',$this->product->name($variable),$this->service->namesub($variable));
 			default:
-				return sprintf('Unknown [%s]',$this->id);
+				return sprintf('Unknown [%s-%s]',$this->item_type,$this->id);
 		}
 	}
 
-	public function titleline() {
+	public function namesub($variable=NULL) {
-		return in_array($this->item_type,[0,120,124,125,126,127]);
+		if (! $this->isValid())
+			return sprintf('Record Error [%s-%s]',$this->item_type,$this->id);
+
+		switch ($this->item_type) {
+			case 0:
+				return sprintf('%s: %s',StaticList_ItemType::get($this->item_type),$this->period());
+			case 3:
+			case 4:
+			case 5:
+				return $this->_module()->namesub($variable);
+			default:
+				return sprintf('Unknown [%s-%s]',$this->item_type,$this->id);
+		}
+	}
+
+	/**
+	 * Display the Invoice Item Reference Number
+	 */
+	public function refnum($short=FALSE) {
+		return $short ? '' : sprintf('%03s-',$this->item_type).sprintf('%06s',$this->id);
 	}
 
 	/** LOCAL METHODS **/
 
+	/**
+	 * Module assocated with the invoice item
+	 */
+	public function _module() {
+		if (! $this->module_id OR ! $this->module_ref)
+			return NULL;
+
+		return $this->module->instance($this->module_ref);
+	}
+
+	/**
+	 * Return the list of available item types
+	 */
 	public function _types() {
 		return $this->_item_type;
 	}
@@ -110,6 +157,33 @@ class Model_Invoice_Item extends ORM_OSB {
 		return Currency::round($this->discount_amt);
 	}
 
+	/**
+	 * Validate that this record is correct
+	 */
+	private function isValid() {
+		switch ($this->item_type) {
+			case 0:
+				// @todo Validate if module_id = charge and module_ref corresponds with the line item
+                                if (! $this->service_id OR ! $this->product_id OR ($this->module_id AND $this->module_id != 30 AND ! is_null($this>module_id)) OR $this->product_name OR is_null($this->recurring_schedule))
+                                        return FALSE;
+				break;
+			// These items come from the charge module, so we should have a charge module_id and ref
+			case 3:
+			case 4:
+                                if (! $this->service_id OR ! $this->product_id OR ! $this->module_id OR ! $this->module_ref OR $this->product_name OR ! is_null($this->recurring_schedule))
+                                        return FALSE;
+				break;
+			// These items come from the charge module, so we should have a charge module_id and ref
+			case 5:
+                                if (! $this->service_id OR ! $this->product_id OR ! $this->module_id OR ! $this->module_ref OR $this->product_name OR ! is_null($this->recurring_schedule))
+                                        return FALSE;
+				break;
+		}
+
+		// If we get here, assume it is valid
+		return TRUE;
+	}
+
 	/**
 	 * The line that will be printed on an invoice
 	 *
@@ -159,15 +233,10 @@ class Model_Invoice_Item extends ORM_OSB {
 	/**
 	 * Return an instance of the Model of this charge
 	 */
+
 	public function module() {
-		$x = ORM::factory('Module',$this->module_id);
+		return $this->_module();
-
-		if (! $x->loaded())
-			throw new Kohana_Exception('Module :module doesnt exist?',array(':module'=>$this->module_id));
-
-		return ORM::factory('Module',$this->module_id)->instance($this->module_ref);
 	}
-
 	// Display the period that a transaction applies
 	public function period() {
 		return ($this->date_start == $this->date_stop) ? Site::Date($this->date_start) : sprintf('%s -> %s',Site::Date($this->date_start),Site::Date($this->date_stop));
@@ -206,7 +275,7 @@ class Model_Invoice_Item extends ORM_OSB {
 
 	// This total of this item before discounts and taxes
 	public function subtotal($format=FALSE) {
-		$result = $this->price_base*$this->quantity;
+		$result = Currency::round($this->price_base*$this->quantity);
 
 		return $format ? Currency::display($result) : $result;
 	}

modules/invoice/media/css/pages/invoice.css

@@ -1,4 +1,4 @@
-#watermark {
+#cancelled {
 	color: #800000;
 	font-size: 4em;
 	-webkit-transform: rotate(-45deg);

modules/invoice/views/invoice/user/view.php

@@ -11,13 +11,8 @@ if ($o->due() AND ! $o->cart_exists())
 		->set('mid',$o->mid())
 		->set('o',$o);
 
-if (! $o->status) {
+if (! $o->status)
-	Style::factory()
+	$output .= '<div id="cancelled">Invoice CANCELLED.</div>';
-		->type('file')
-		->data('media/css/pages/invoice.css');
-
-	$output .= '<div id="watermark">Invoice CANCELLED.</div>';
-}
 
 echo Block::factory()
 	->title(sprintf('%s: %s - %s',_('Invoice'),$o->refnum(),$o->account->name()))

modules/invoice/views/invoice/user/view/body.php

@@ -1,70 +1,72 @@
 <table class="table table-striped table-condensed table-hover" id="list-table">
-	<?php foreach ($o->items_periods() as $rs) : ?>
+<?php
-		<!-- Display our scheduled items first -->
+$track['rs'] = $track = array();
-		<?php if (! is_null($rs)) : ?>
+foreach ($o->items_render() as $key => $items) :
-				<thead><tr><th colspan="5"><?php echo StaticList_RecurSchedule::get($rs); ?></th></tr></thead>
+	switch ($key) :
+		case 's': 
+			$last = '';
+			foreach ($items as $iio) :
 
-				<tbody>
+				// So we dont render the same recurring schedule over again
-					<?php $sids=array(); foreach ($o->items_periods($rs) as $iio) : ?>
+				if (! is_null($iio->recurring_schedule) AND ! in_array($iio->recurring_schedule,$track['rs'])) :
-						<?php if ($iio->service_id) : ?>
+					array_push($track['rs'],$iio->recurring_schedule);
-							<!-- So we dont render the same service item over again -->
+?>
-							<?php if (in_array($iio->service_id,$sids)) continue; array_push($sids,$iio->service_id); ?>
+					<thead><tr><th colspan="5"><?php echo $iio->display('recurring_schedule'); ?></th></tr></thead>
-							<tr>
+				<?php endif ?>
-								<th>&nbsp;</th>
-								<th colspan="2"><?php echo ($show_id ? HTML::anchor(URL::link('user','service/view/'.$iio->service_id),$iio->service->id()).' ' : '').$iio->title(); ?></th>
-								<th>&nbsp;</th>
-								<th><div class="text-right"><?php echo $o->service_items_total($iio,TRUE); ?></div></th>
-							</tr>
 
-							<?php if ($x=$o->service_items($iio)) : ?>
+<?php
-								<?php foreach ($x as $eiio) : ?>
+				// If we are rendering a new service, reset the product id tracking
-									<tr>
+				if ($iio->service_id != $last) {
-										<td>&nbsp;</td>
+					$last = $iio->service_id;
-										<td>&nbsp;</td>
+					$track['p'] = array();
-										<td><?php echo $eiio->invoice_line().($show_id ? " (<small>{$eiio->trannum()}</small>)" : ''); ?></td>
+				}
-										<td><div class="text-right"><?php echo $eiio->total(TRUE); ?></div></td>
-										<td>&nbsp;</td>
-									</tr>
-								<?php endforeach ?>
-							<?php endif ?>
 
-							<?php if ($x=$o->service_items_extra($iio)) : ?>
+				// So we dont render the same recurring schedule over again
-								<?php foreach ($x as $eiio) : ?>
+				if (! in_array($iio->product_id,$track['p'])) :
-									<tr>
+					array_push($track['p'],$iio->product_id);
-										<td colspan="2">&nbsp;</td>
+?>
-										<td><?php echo $eiio->invoice_line().($show_id ? " (<small>{$eiio->trannum()}</small>)" : ''); ?></td>
+					<tr>
-										<td><div class="text-right"><?php echo $eiio->total(TRUE); ?></div></td>
+						<th>&nbsp;</th>
-										<td>&nbsp;</td>
+						<th colspan="2"><?php echo ($show_id ? HTML::anchor(URL::link('user','service/view/'.$iio->service_id),$iio->service->refnum(TRUE)).' ' : '').$iio->name($iio->invoice->account->language); ?></th>
-									</tr>
+						<th>&nbsp;</th>
-								<?php endforeach ?>
+						<th><div class="text-right"><?php echo $o->service_products_total($iio->service_id,$iio->product_id,TRUE); ?></div></th>
-							<?php endif ?>
+					</tr>
+				<?php endif ?>
 
-						<?php else : ?>
+				<tr>
-							<tr>
+					<th>&nbsp;</th>
-								<th>&nbsp;</th>
+					<th>&nbsp;</th>
-								<th colspan="2"><?php echo $iio->title(); ?></th>
+					<td><?php echo $iio->namesub($iio->invoice->account->language).($show_id ? " (<small>{$iio->refnum()}</small>)" : ''); ?></td>
-								<th>&nbsp;</th>
+					<td><div class="text-right"><?php echo $iio->total(TRUE); ?></div></td>
-								<th><div class="text-right"><?php echo $o->service_items_total($iio,TRUE); ?></div></th>
+					<td>&nbsp;</td>
-							</tr>
+				</tr>
 
-						<?php endif ?>
+<?php
-				<?php endforeach ?>
+			endforeach;
-			</tbody>
+			break;
-		<?php endif ?>
-	<?php endforeach ?>
 
-	<!-- Display our other items -->
+		case 'other':
-	<?php if ($x=$o->items_periods(NULL)) : ?>
+			if (! count($items))
-		<tbody>
+				break;
+?>
 			<tr><th colspan="5"><?php echo 'Other Items'; ?></th></tr>
 
-			<?php foreach ($x as $iio) : ?>
+			<?php foreach ($items as $iio) : ?>
 				<tr>
 					<td>&nbsp;</td>
-					<td colspan="3"><?php echo $iio->invoice_line(); ?></td>
+					<td colspan="3"><?php echo $iio->name($iio->invoice->account->language); ?></td>
 					<th><div class="text-right"><?php echo $iio->total(TRUE); ?></div></th>
 				</tr>
 			<?php endforeach ?>
+<?php
+			break;
+		default:
+?>
+		<tbody>
+			<tr><td colspan="5">Unknown key: [<?php echo $key; ?>]</td></tr>
 		</tbody>
-	<?php endif ?>
+<?php
+	endswitch;
+	endforeach;
+?>
 </table>