152 lines
4.1 KiB
PHP
152 lines
4.1 KiB
PHP
<?php defined('SYSPATH') or die('No direct access allowed.');
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/**
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* This class looks after ADSL products
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*
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* @package OSB
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* @subpackage Product
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* @category Helpers
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* @author Deon George
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* @copyright (c) 2010 Deon George
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* @license http://dev.leenooks.net/license.html
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*/
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class ADSL {
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// Map the table fields
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static $map = array(
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'base_up_offpeak'=>'extra_up_offpeak',
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'base_down_offpeak'=>'extra_down_offpeak',
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'base_up_peak'=>'extra_up_peak',
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'base_down_peak'=>'extra_down_peak',
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);
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/**
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* Return an instance of this class
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*
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* @return ADSL
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*/
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public static function instance() {
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return new ADSL;
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}
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/**
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* Return the additional information used by product_view
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*/
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public function product_view($data) {
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// @todo - this test shouldnt be required
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if (preg_match('/^a:/',$data))
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throw new Kohana_Exception('Data shouldnt be a serialized array');
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$ao = ORM::factory('adsl_plan',$data);
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$output = View::factory('adsl/product_view')
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->set('record',$ao);
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return $output;
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}
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public function contract_view($data,$price_base,$price_setup) {
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// @todo - this test shouldnt be required
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if (preg_match('/^a:/',$data))
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throw new Kohana_Exception('Data shouldnt be a serialized array');
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$ao = ORM::factory('adsl_plan',$data);
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$output = View::factory('adsl/contract_view')
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->set('record',$ao)
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->set('price_base',$price_base)
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->set('price_setup',$price_setup);
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return $output;
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}
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/**
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* Collect information for the cart
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*/
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public function product_cart() {
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}
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/**
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* Map the metric fields to their excess rate
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*/
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public static function map($metric) {
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return ADSL::$map[$metric];
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}
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/**
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* Calculate the allowance array or traffic used array
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*
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* If:
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* + UPLOADS are charged and there are no PEAK/OFFPEAK periods (therefore all
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* traffic is charged), the allowance will be shown as 1 metric - TRAFFIC.
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* + UPLOADS are charged and there are PEAK/OFFPEAK periods the allowance
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* will be shown as 2 metrics - PEAK/OFFPEAK.
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* + UPLOADS are NOT charged and there are no PEAK/OFFPEAK periods the allowance
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* will be shown as 1 metrics - TRAFFIC.
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* + UPLOADS are NOT charged and there are PEAK/OFFPEAK periods the allowance
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* will be shown as 2 metrics - PEAK/OFFPEAK.
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*
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* Thus:
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* + If base_x_Y is NULL, all Y traffic is FREE (ignore respective extra_x_Y setting).
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* + If base_x_Y is a number, all Y traffic is FREE up to the number (evaluate extra_x_Y setting).
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* + If extra_x_Y is a number, charge this amount for traffic over base_x_Y.
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* + If extra_down_peak is NULL this is invalid, treat base_down_peak as NULL
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* + If extra_down_offpeak is NULL add traffic_down_offpeak to traffic_down_peak
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* + If extra_up_peak is NULL add traffic_up_peak to traffic_down_peak
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* + If extra_up_offpeak is NULL add traffic_up_offpeak to traffic_down_offpeak
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*
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* @param array $plan - the allowance plan
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*/
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public static function allowance($plan) {
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// Map the NULL relationships
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$extras = array(
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'extra_up_offpeak'=>'base_down_offpeak',
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'extra_down_offpeak'=>'base_down_peak',
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'extra_up_peak'=>'base_down_peak',
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'extra_down_peak'=>'base_down_peak',
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);
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// Work out if we charge each period
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$a = array();
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if (! isset($plan['extra_down_peak']) OR is_null($plan['extra_down_peak']))
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$a['base_down_peak'] = 0;
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foreach (ADSL::$map as $k => $v) {
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// Work through attributes we count.
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if (isset($plan[$k]) AND ! is_null($plan[$k])) {
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// Work through attributes that are merged
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if (! isset($plan[$v]) OR is_null($plan[$v])) {
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if (isset($a[$k])) {
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if (isset($a[$extras[$v]]))
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$a[$extras[$v]] += $a[$k];
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else
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$a[$extras[$v]] = $a[$k];
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unset($a[$k]);
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}
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if (isset($a[$extras[$v]]))
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$a[$extras[$v]] += $plan[$k];
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else
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$a[$extras[$v]] = $plan[$k];
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} else {
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if (isset($a[$k]))
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$a[$k] += $plan[$k];
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else
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$a[$k] = $plan[$k];
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}
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}
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}
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// Return the output sorted
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$return = array();
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foreach (array('base_down_peak','base_down_offpeak','base_up_peak','base_up_offpeak') as $k)
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if (isset($a[$k]))
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$return[$k] = $a[$k];
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return $return;
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}
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}
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?>
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