\/\/wangjianshuo@baixing.com
\nnamespace Graph;<\/p>\n
class CompanyAccount {
\n…function occuredRevenue($startTime, $endTime) {
\n……$money = 0;
\n……
\n……if($endTime > time())
\n………throw new Exception(“Refuse to tell you future, because that may be inaccurate”);
\n……
\n……$s = new Searcher(
\n………new AndQuery(
\n…………new Query(‘type’, ‘Order’),
\n…………new Query(‘paid’, 1),
\n…………new RangeQuery(‘startTime’, null, $endTime),
\n…………new RangeQuery(‘endTime’, $startTime – 1, null)
\n………)
\n……);
\n……
\n……foreach($s as $order)
\n………$money += ($order->occuredRevenue($endTime) – $order->occuredRevenue($startTime));
\n………
\n……return $money;
\n…}
\n}<\/p>\n
class UserAccount {
\n…public $balance; \/\/ money + credit;
\n…public $ratio; \/\/ money \/ balance;
\n…
\n…function in($money, $credit){
\n……$this->ratio = ($this->balance * $this->ratio + $money) \/ ($this->balance + $money + $credit);
\n……$this->balance += $money + $credit;
\n……$this->save();
\n…}
\n…
\n…function out($mondit) { \/\/mondit = money + credit
\n……$this->balance -= $mondit;
\n……$this->save();
\n…}
\n…
\n…function pay($order) {
\n……$order->pay($order->listPrice * $this->ratio);
\n……$this->out($order->listPrice);
\n…}
\n…
\n…function partialCancel($order, $time) {
\n……$order->particalCancel($time);
\n……
\n……$refund = $order->price – $order->occuredRevenue($time);
\n……$ratio = $order->price \/ $order->listPrice;<\/p>\n
……$this->in($refund, $refund \/ $ratio * (1 – $ratio));
\n…}
\n}<\/p>\n
class Order {
\n…public $unitTime = 24 * 60 * 60; \/\/ 1 day
\n…public $paid = false;
\n…
\n…function occuredRevenue($time) {
\n……$money = 0;
\n……$unitPrice = round(($this->price) \/ ($this->endTime – $this->startTime) * $this->unitTime, 2);
\n……for($i = 0; $occuredTime = $this->startTime + $this->unitTime * $i, $occuredTime < min($time, $endTime); $i++)
\n………if($this->endTime – $this->occuredTime <= $this->unitTime)
\n…………$money += ($this->price – $unitPrice * $i);
\n………else
\n…………$money += $unitPrice;
\n……return $money;……
\n…}
\n…
\n…function place() {
\n……$pa = new BiddingPrice();
\n……$this->listPrice = $pa->price($order);
\n……$this->save();
\n…}
\n…
\n…function partialCancel($time) {
\n……if($time >= $this->endTime)
\n………throw new Exception(‘Cannot cancel completed order’);
\n……
\n……$neg = clone $this;
\n……$neg->startTime = max($this->startTime, $time);
\n……$neg->price = $this->occuredRevenue($time) – $this->price;
\n……$neg->save();
\n…}
\n…
\n…function attributes() {
\n……$ad = graph($this->adId);
\n……
\n……return array_merge(
\n………parent::attributes(),
\n………’categories’ => cg_array_upto(array_reverse($ad->category->path()), $this->category),
\n………’areas’ => cg_array_upto(array_reverse($ad->area->path()), $this->area)
\n…}
\n}<\/p>\n
function cg_array_upto($arr, $c) {
\n…$result = array();
\n…
\n…foreach($arr as $a) {
\n……$result[] = $a;
\n……$if($a == $c)
\n………break;
\n…}
\n…return $result;
\n}<\/p>\n
class DingPrice extends BiddingPrice {
\n…public $capacity = 12;
\n…public $sensitivity = 0.5;
\n…public $bottom = 3;
\n…public $tolerance = 30; \/\/ day
\n…public $basePrice = 10; \/\/ RMB
\n}<\/p>\n
class RefreshPrice extends BiddingPrice {
\n…public $capacity = 12;
\n…public $sensitivity = 0.5;
\n…public $bottom = 3;
\n…public $tolerance = 30; \/\/ day
\n…public $basePrice = 10; \/\/ RMB
\n}<\/p>\n
class BiddingPrice {
\n…function price($order) {
\n……$s = new Searcher(
\n………new AndQuery(
\n…………new Query(‘type’, ‘Order’),
\n…………new Query(‘paid’, 1),
\n…………new Query(‘area’, $order->area),
\n…………new Query(‘category’, $order->category)
\n………),
\n………array(‘order’ => ‘startTime DESC’)
\n……);
\n……
\n……if(count($s) == 0)
\n………return $this->basePrice;
\n……
\n……$currentPrice = $s[0]->listPrice;
\n……
\n……if(count($s) > $this->capacity) {
\n………foreach(array_slice($s, 0 floor($this->sensitivity * $this->capacity) as $o)
\n…………if($o->listPrice != $currentPrice)
\n……………return $currentPrice;
\n………return $this->increase($currentPrice);
\n……}
\n……
\n……if(count($s) <= $this->bottom &&
\n………time() – $s[0]->startTime > $this->tolerance)
\n………return $this->decrease($currentPrice);
\n………
\n……return $currentPrice;
\n…}
\n…
\n…function increase($price) {
\n……return $price + 10;
\n…}
\n…
\n…function decrease($price) {
\n……return $price – 10;
\n…}
\n}<\/p>\n
class DingAds {
\n…function ads() {
\n……$v = new Visitor();
\n……$s = new Searcher(
\n………new AndQuery(
\n…………new Query(‘type’, ‘Order’),
\n…………new Query(‘paid’, 1),
\n…………new RangQuery(‘startTime’, null, time() + 1),
\n…………new RangeQuery(‘endTime’, time(), null),
\n…………new Query(‘categories’, $v->category),
\n…………new InQuery(‘areas’, $v->area->path())
\n…………)
\n………)
\n……);
\n……
\n……$dingAds = array();
\n……$negAds = array();
\n……
\n……foreach($s as $o)
\n………if($o->price >= 0)
\n…………$dingAds[] = $o->id;
\n………else
\n…………$negAds[] = $o->id;
\n…………
\n……return array_diff($dingAds, $negAds);
\n…}
\n}
\n\/**
\n* 1. AccuralBasedAccouting DONE
\n* 2. Ding (Category, Filter, City, Province, China) DONE
\n* 3. Place order, pay, refund, partialCancel DONE
\n* 4. Pricing (Ding bidding based pricing, Refresh bidding, list bidding) DONE
\n* 5. User Account, real money, fake money DONE
\n* 6. Ding display DONE
\n* 7) Refresh 5 RMB
\n* 8) listing fee 10 RMB
\n* 9) Sales tools
\n* 10) Automatic invoice
\n* 11) Port service
\n*
\n* o—–o—–o—–o—–\u00f8–
\n* ^ time
\n* o—–o—–o—–o—–o—-
\n*
\n*……………………………o—–o—–
\n*
\n* |——|——|——|——|——|——|——|
\n* ^ startTime ^ endTime
\n*
\n* Order
\n* =====
\n* orderId
\n* starTime
\n* endTime
\n* listPrice
\n* price
\n* paid
\n* area
\n* category
\n* adId
\n*
\n* 1. Order never change after paid.
\n* 2. Range [startTime, endTime)
\n* 3. price, money refer to real money,
\n* 4. listPrice, $credit refer to fake money.
\n*\/<\/p>\n","protected":false},"excerpt":{"rendered":"
\/\/wangjianshuo@baixing.com namespace Graph; class Compa … \u7ee7\u7eed\u9605\u8bfb192\u884c<\/span>