Added list_expiring to show services expiring

modules/service/classes/model/service.php

@@ -75,6 +75,38 @@ class Model_Service extends ORMOSB {
 		return is_null($plugin=$this->plugin()) ? $this->product->name() : $plugin->name();
 	}
 
+	/**
+	 * Display how much is due on this service
+	 */
+	public function due($format=FALSE) {
+		$total = 0;
+
+		foreach ($this->list_invoices(TRUE) as $io)
+			$total += $io->due();
+
+		return $format ? Currency::display($total) : $total;
+	}
+
+	/**
+	 * When does this service expire
+	 */
+	public function expire($format=FALSE) {
+		// For plugins the plugin determins expiry
+		$expire = (is_null($plugin=$this->plugin()) ? NULL : $plugin->expire());
+
+		// If $expire is NULL, we'll use the next invoice date
+		$expire = is_null($expire) ? $this->date_next_invoice-86400 : $expire;
+
+		return $format ? Config::date($expire) : $expire;
+	}
+
+	/**
+	 * Determine if a service expires in the next $days.
+	 */
+	public function expiring($days) {
+		return time()+$days*86400 > $this->expire();
+	}
+
 	/**
 	 * Return the service charge
 	 */
@@ -190,6 +222,32 @@ class Model_Service extends ORMOSB {
 		return $result;
 	}
 
+	/**
+	 * List services expiring
+	 */
+	public function list_expiring($days=14) {
+		$result = array();
+
+		foreach ($this->list_active() as $so)
+			if ($so->expiring($days))
+				array_push($result,$so);
+
+		return $result;
+	}
+
+	/**
+	 * List invoices for this service
+	 */
+	public function list_invoices($due=FALSE) {
+		$return = array();
+
+		foreach ($this->invoice->find_all() as $io)
+			if (! $due OR $io->due())
+				array_push($return,$io);
+
+		return $return;
+	}
+
 	/**
 	 * List services that need to be billed.
 	 *