mirror of
https://github.com/kennethreitz-archive/shopp.git
synced 2026-06-05 23:40:16 +00:00
Kenneth Reitz
351 lines
12 KiB
PHP
351 lines
12 KiB
PHP
<?php
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/**
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* Item class
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* Cart items
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*
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* @author Jonathan Davis
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* @version 1.0
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* @copyright Ingenesis Limited, 28 March, 2008
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* @package shopp
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**/
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class Item {
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var $product = false;
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var $price = false;
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var $category = false;
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var $sku = false;
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var $type = false;
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var $name = false;
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var $description = false;
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var $optionlabel = false;
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var $variation = array();
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var $option = false;
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var $menus = array();
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var $options = array();
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var $saved = 0;
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var $savings = 0;
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var $quantity = 0;
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var $unitprice = 0;
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var $total = 0;
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var $weight = 0;
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var $shipfee = 0;
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var $tax = 0;
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var $download = false;
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var $shipping = false;
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var $inventory = false;
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var $taxable = false;
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var $freeshipping = false;
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function Item ($Product,$pricing,$category,$data=array()) {
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global $Shopp; // To access settings
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$Product->load_data(array('prices','images'));
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// If product variations are enabled, disregard the first priceline
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if ($Product->variations == "on") array_shift($Product->prices);
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// If option ids are passed, lookup by option key, otherwise by id
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if (is_array($pricing)) {
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$Price = $Product->pricekey[$Product->optionkey($pricing)];
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if (empty($Price)) $Price = $Product->pricekey[$Product->optionkey($pricing,true)];
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} elseif ($pricing) $Price = $Product->priceid[$pricing];
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else {
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foreach ($Product->prices as &$Price)
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if ($Price->type != "N/A" &&
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(!$Price->stocked ||
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($Price->stocked && $Price->stock > 0))) break;
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}
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if (isset($Product->id)) $this->product = $Product->id;
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if (isset($Price->id)) $this->price = $Price->id;
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$this->category = $category;
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$this->option = $Price;
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$this->name = $Product->name;
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$this->slug = $Product->slug;
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$this->description = $Product->summary;
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if (isset($Product->thumbnail)) $this->thumbnail = $Product->thumbnail;
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$this->menus = $Product->options;
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if ($Product->variations == "on") $this->options = $Product->prices;
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$this->sku = $Price->sku;
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$this->type = $Price->type;
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$this->sale = $Price->onsale;
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$this->freeshipping = $Price->freeshipping;
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$this->saved = ($Price->price - $Price->promoprice);
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$this->savings = ($Price->price > 0)?percentage($this->saved/$Price->price)*100:0;
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$this->unitprice = (($Price->onsale)?$Price->promoprice:$Price->price);
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$this->optionlabel = (count($Product->prices) > 1)?$Price->label:'';
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$this->donation = $Price->donation;
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$this->data = stripslashes_deep(attribute_escape_deep($data));
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// Map out the selected menu name and option
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if ($Product->variations == "on") {
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$selected = explode(",",$this->option->options); $s = 0;
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foreach ($this->menus as $i => $menu) {
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foreach($menu['options'] as $option) {
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if ($option['id'] == $selected[$s]) {
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$this->variation[$menu['name']] = $option['name']; break;
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}
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}
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$s++;
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}
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}
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if (!empty($Price->download)) $this->download = $Price->download;
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if ($Price->type == "Shipped") {
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$this->shipping = true;
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if ($Price->shipping == "on") {
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$this->weight = $Price->weight;
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$this->shipfee = $Price->shipfee;
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} else $this->freeshipping = true;
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}
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$this->inventory = ($Price->inventory == "on")?true:false;
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$this->taxable = ($Price->tax == "on" && $Shopp->Settings->get('taxes') == "on")?true:false;
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}
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function valid () {
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if (!$this->product || !$this->price) {
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new ShoppError(__('The product could not be added to the cart because it could not be found.','cart_item_invalid',SHOPP_ERR));
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return false;
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}
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if ($this->inventory && $this->option->stock == 0) {
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new ShoppError(__('The product could not be added to the cart because it is not in stock.','cart_item_invalid',SHOPP_ERR));
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return false;
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}
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return true;
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}
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function quantity ($qty) {
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if ($this->type == "Donation" && $this->donation['var'] == "on") {
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if ($this->donation['min'] == "on" && floatnum($qty) < $this->unitprice)
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$this->unitprice = $this->unitprice;
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else $this->unitprice = floatnum($qty);
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$this->quantity = 1;
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$qty = 1;
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}
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$qty = preg_replace('/[^\d+]/','',$qty);
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if ($this->inventory) {
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if ($qty > $this->option->stock) {
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new ShoppError(__('Not enough of the product is available in stock to fulfill your request.','Shopp'),'item_low_stock');
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$this->quantity = $this->option->stock;
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}
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else $this->quantity = $qty;
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} else $this->quantity = $qty;
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$this->total = $this->quantity * $this->unitprice;
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}
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function add ($qty) {
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if ($this->type == "Donation" && $this->donation['var'] == "on") {
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$qty = floatnum($qty);
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$this->quantity = $this->unitprice;
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}
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$this->quantity($this->quantity+$qty);
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}
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function options ($selection = "",$taxrate=0) {
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if (empty($this->options)) return "";
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$string = "";
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foreach($this->options as $option) {
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if ($option->type == "N/A") continue;
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$currently = ($option->onsale)?$option->promoprice:$option->price;
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$difference = (float)($currently+($currently*$taxrate))-($this->unitprice+($this->unitprice*$taxrate));
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// $difference = $currently-$this->unitprice;
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$price = '';
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if ($difference > 0) $price = ' (+'.money($difference).')';
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if ($difference < 0) $price = ' (-'.money(abs($difference)).')';
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$selected = "";
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if ($selection == $option->id) $selected = ' selected="Selected"';
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$disabled = "";
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if ($option->inventory == "on" && $option->stock < $this->quantity)
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$disabled = ' disabled="disabled"';
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$string .= '<option value="'.$option->id.'"'.$selected.$disabled.'>'.$option->label.$price.'</option>';
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}
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return $string;
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}
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function unstock () {
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if (!$this->inventory) return;
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global $Shopp;
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$db = DB::get();
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// Update stock in the database
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$table = DatabaseObject::tablename(Price::$table);
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$db->query("UPDATE $table SET stock=stock-{$this->quantity} WHERE id='{$this->price}' AND stock > 0");
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// Update stock in the model
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$this->option->stock -= $this->quantity;
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// Handle notifications
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$product = $this->name.' ('.$this->option->label.')';
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if ($this->option->stock == 0)
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return new ShoppError(sprintf(__('%s is now out-of-stock!','Shopp'),$product),'outofstock_warning',SHOPP_STOCK_ERR);
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if ($this->option->stock <= $Shopp->Settings->get('lowstock_level'))
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return new ShoppError(sprintf(__('%s has low stock levels and should be re-ordered soon.','Shopp'),$product),'lowstock_warning',SHOPP_STOCK_ERR);
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}
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function shipping (&$Shipping) {
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}
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function tag ($id,$property,$options=array()) {
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global $Shopp;
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// Return strings with no options
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switch ($property) {
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case "id": return $id;
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case "name": return $this->name;
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case "link":
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case "url":
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return (SHOPP_PERMALINKS)?
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$Shopp->shopuri.$this->slug:
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add_query_arg('shopp_pid',$this->product,$Shopp->shopuri);
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case "sku": return $this->sku;
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}
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$taxes = false;
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if (isset($options['taxes'])) $taxes = $options['taxes'];
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if ($property == "unitprice" || $property == "total" || $property == "options")
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$taxrate = shopp_taxrate($taxes,$this->taxable);
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// Handle currency values
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$result = "";
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switch ($property) {
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case "unitprice": $result = (float)$this->unitprice+($this->unitprice*$taxrate); break;
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case "total": $result = (float)$this->total+($this->total*$taxrate); break;
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case "tax": $result = (float)$this->tax; break;
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}
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if (is_float($result)) {
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if (isset($options['currency']) && !value_is_true($options['currency'])) return $result;
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else return money($result);
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}
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// Handle values with complex options
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switch ($property) {
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case "quantity":
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$result = $this->quantity;
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if ($this->type == "Donation" && $this->donation['var'] == "on") return $result;
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if (isset($options['input']) && $options['input'] == "menu") {
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if (!isset($options['value'])) $options['value'] = $this->quantity;
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if (!isset($options['options']))
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$values = "1-15,20,25,30,35,40,45,50,60,70,80,90,100";
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else $values = $options['options'];
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if (strpos($values,",") !== false) $values = explode(",",$values);
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else $values = array($values);
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$qtys = array();
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foreach ($values as $value) {
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if (strpos($value,"-") !== false) {
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$value = explode("-",$value);
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if ($value[0] >= $value[1]) $qtys[] = $value[0];
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else for ($i = $value[0]; $i < $value[1]+1; $i++) $qtys[] = $i;
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} else $qtys[] = $value;
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}
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$result = '<select name="items['.$id.']['.$property.']">';
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foreach ($qtys as $qty)
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$result .= '<option'.(($qty == $this->quantity)?' selected="selected"':'').' value="'.$qty.'">'.$qty.'</option>';
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$result .= '</select>';
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} elseif (isset($options['input']) && valid_input($options['input'])) {
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if (!isset($options['size'])) $options['size'] = 5;
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if (!isset($options['value'])) $options['value'] = $this->quantity;
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$result = '<input type="'.$options['input'].'" name="items['.$id.']['.$property.']" id="items-'.$id.'-'.$property.'" '.inputattrs($options).'/>';
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} else $result = $this->quantity;
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break;
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case "remove":
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$label = __("Remove");
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if (isset($options['label'])) $label = $options['label'];
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if (isset($options['class'])) $class = ' class="'.$options['class'].'"';
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else $class = ' class="remove"';
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if (isset($options['input'])) {
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switch ($options['input']) {
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case "button":
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$result = '<button type="submit" name="remove['.$id.']" value="'.$id.'"'.$class.' tabindex="">'.$label.'</button>'; break;
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case "checkbox":
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$result = '<input type="checkbox" name="remove['.$id.']" value="'.$id.'"'.$class.' tabindex="" title="'.$label.'"/>'; break;
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}
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} else {
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$result = '<a href="'.add_query_arg(array('cart'=>'update','item'=>$id,'quantity'=>0),$Shopp->link('cart')).'"'.$class.'>'.$label.'</a>';
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}
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break;
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case "optionlabel": $result = $this->optionlabel; break;
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case "options":
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$class = "";
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if (isset($options['show']) &&
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strtolower($options['show']) == "selected")
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return (!empty($this->optionlabel))?
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$options['before'].$this->optionlabel.$options['after']:'';
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if (isset($options['class'])) $class = ' class="'.$options['class'].'" ';
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if (count($this->options) > 1) {
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$result .= $options['before'];
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$result .= '<input type="hidden" name="items['.$id.'][product]" value="'.$this->product.'"/>';
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$result .= ' <select name="items['.$id.'][price]" id="items-'.$id.'-price"'.$class.'>';
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$result .= $this->options($this->price,$taxrate);
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$result .= '</select>';
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$result .= $options['after'];
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}
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break;
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case "hasinputs":
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case "has-inputs": return (count($this->data) > 0); break;
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case "inputs":
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if (!$this->dataloop) {
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reset($this->data);
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$this->dataloop = true;
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} else next($this->data);
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if (current($this->data)) return true;
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else {
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$this->dataloop = false;
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return false;
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}
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break;
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case "input":
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$data = current($this->data);
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$name = key($this->data);
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if (isset($options['name'])) return $name;
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return $data;
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break;
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case "inputs-list":
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case "inputslist":
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if (empty($this->data)) return false;
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$before = ""; $after = ""; $classes = ""; $excludes = array();
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if (!empty($options['class'])) $classes = ' class="'.$options['class'].'"';
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if (!empty($options['exclude'])) $excludes = explode(",",$options['exclude']);
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if (!empty($options['before'])) $before = $options['before'];
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if (!empty($options['after'])) $after = $options['after'];
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$result .= $before.'<ul'.$classes.'>';
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foreach ($this->data as $name => $data) {
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if (in_array($name,$excludes)) continue;
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$result .= '<li><strong>'.$name.'</strong>: '.$data.'</li>';
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}
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$result .= '</ul>'.$after;
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return $result;
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break;
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case "thumbnail":
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if (!empty($options['class'])) $options['class'] = ' class="'.$options['class'].'"';
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if (isset($this->thumbnail)) {
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$img = $this->thumbnail;
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$width = (isset($options['width']))?$options['width']:$img->properties['height'];
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$height = (isset($options['height']))?$options['height']:$img->properties['height'];
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return '<img src="'.$Shopp->imguri.$img->id.'" alt="'.$this->name.' '.$img->datatype.'" width="'.$width.'" height="'.$height.'" '.$options['class'].' />'; break;
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}
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}
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if (!empty($result)) return $result;
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return false;
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}
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} // end Item class
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?>
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