Add pricetable shortcode

Add new class for shortcodes

inc/class.shortcodes.php

@@ -0,0 +1,77 @@
+<?php
+
+class NonoPrintPricingShortcodes {
+	private static $_this;
+	var $plugin_slug = "NonoPrintPricingShortcodes";
+	var $plugin_name = "";
+	var $plugin_version = "1.0";
+
+	function __construct() {
+
+		add_shortcode('pricetable', array($this, 'pricetable'));
+
+	}
+	static function this(){
+		// enables external management of filters/actions
+		// http://hardcorewp.com/2012/enabling-action-and-filter-hook-removal-from-class-based-wordpress-plugins/
+		// enables external management of filters/actions
+		// http://hardcorewp.com/2012/enabling-action-and-filter-hook-removal-from-class-based-wordpress-plugins/
+		// http://7php.com/how-to-code-a-singleton-design-pattern-in-php-5/
+		if( !is_object(self::$_this) ) self::$_this = new NonoPrintPricingShortcodes();
+
+		return self::$_this;
+	}
+	/*
+	 *	Functions below actually do the work
+	 */
+
+	function pricetable($atts){
+		global $woocommerce, $product;
+
+		extract( shortcode_atts(array('id' => 0, 'qty' => "50,100,250,500,1000"), $atts) );
+
+		if( 0 == $id ) {
+			$this_product = $product;
+		} else {
+			// get the product
+		}
+
+		$variations = $product->get_available_variations();
+
+		foreach ($variations as $variation){
+			$v_product = new WC_Product_Variation($variation['variation_id']);
+
+			$method = $variation['attributes']['attribute_pa_printing-method'];
+			$prices[$method] = array(
+				'min'		=> get_post_meta($variation['variation_id'], '_nono_min_order_qty', true),
+				'price'		=> $v_product->price,
+				'sale_price'=> $v_product->sale_price,
+				'addl_pieces'	=> get_post_meta($variation['variation_id'], '_nono_price_per_piece', true),
+			);
+		}
+
+		$rows = explode(',', $qty);
+
+		$output = '<table class="price-table">';
+		foreach( $rows as $row ){
+			$row_text = '<tr><td class="price-table-qty">%d</td><td class="price-table-amount">%s</td></tr>';
+			$output .= sprintf($row_text, (int) $row, number_format(self::determine_price($row, $prices), 2, ',', '') );
+		}
+		$output .= '</table>';
+
+		return $output;
+	}
+
+	function determine_price($qty, $prices){
+		$pricing = 0;
+		foreach($prices as $method => $details ){
+			if( $qty >= $details['min'] ) {
+				$calc = ($details['min'] * $details['price']) + ( ($qty - $details['min']) * $details['addl_pieces'] );
+				if( $qty >= $details['min'] )
+					$pricing = $calc;
+			}
+		}
+		return $pricing;
+	}
+}
+new NonoPrintPricingShortcodes;

loader.php

@@ -69,7 +69,7 @@ static function this(){
 	 *	Functions below actually do the work
 	 */
 	function init(){
-
+		include_once('inc/class.shortcodes.php');
 	}
 
 	function admin_init(){