BHEADRICK/class-wc-dropshipping-order.php

## class-wc-dropshipping-order.php
<?php
class WC_Dropshipping_Orders {
	public function __construct() {
		$this->init();
	}

	public function init() {
		// order processing
		add_filter('wc_dropship_manager_send_order_email_html',array($this,'send_order_email_html'));
		add_filter('wc_dropship_manager_send_order_attachments',array($this,'send_order_attach_packingslip'),10,3);
		add_action('woocommerce_order_actions',array( $this,'add_order_meta_box_order_processing'));
		add_action('woocommerce_order_status_processing',array($this,'order_processing'));
		add_action('woocommerce_order_action_resend_dropship_supplier_notifications',array($this,'order_processing'));
		add_action('wc_dropship_manager_send_order',array($this,'send_order'),10, 2);
	}

	public function add_order_meta_box_order_processing( $actions ) {
		$actions['resend_dropship_supplier_notifications'] = 'Resend Dropship Supplier Notifications';
		return $actions;
	}

	/* Notify Suppliers */
	// perform all tasks that happen once an order is set to processing
	public function order_processing( $order_id ) {
		$order = new WC_Order( $order_id ); // load the order from woocommerce
		$this->notify_warehouse($order); // notify the warehouse to ship the order
	}

	// parse the order, build pdfs, and send orders to the correct suppliers
	public function notify_warehouse( $order ) {
		$order_info = $this->get_order_info($order);
		$supplier_codes = $order_info['suppliers'];
		// for each supplier code, loop and send email with product info
		foreach($supplier_codes as $code => $supplier_info) {
			do_action('wc_dropship_manager_send_order',$order_info,$supplier_info);
		}
	}

	public function get_order_shipping_info($order) {
		$keys = explode(',','shipping_first_name,shipping_last_name,shipping_address_1,shipping_address_2,shipping_city,shipping_state,shipping_postcode,shipping_country,billing_phone,shipping_company');
		$info =  array();
                $info['name'] = $order->get_shipping_first_name().' '.$order->get_shipping_last_name();
                $info['phone'] = $this->formatPhone($order->get_billing_phone());
		$info['shipping_method'] = $order->get_shipping_method();
		foreach($keys as $key) {
			if ( is_callable( array( $order, "get_{$key}" ) ) ) {
			$info[$key] = $order->{'get_'.$key}();
			}else{
				$info[$key] = '';
			}
		}
		return $info;
	}

	/**
	 * @param $order WC_Order
	 *
	 * @return array
	 */
	public function get_order_billing_info($order) {
		$keys = explode(',','billing_first_name,billing_last_name,billing_address_1,billing_address_2,billing_city,billing_state,billing_postcode,billing_country,billing_phone,billing_email,billing_company');
		$info =  array();
                $info['name'] = $order->get_billing_first_name().' '.$order->get_billing_last_name();
                $info['phone'] = $this->formatPhone($order->get_billing_phone());
		foreach($keys as $key) {
			if ( is_callable( array( $order, "get_{$key}" ) ) ) {
				$info[$key] = $order->{'get_'.$key}();
			}else{
				$info[$key] = '';
			}
		}
		return $info;
	}

	public function get_order_product_info($item,$product) {
		$info = array();
		$info['sku'] = $product->get_sku();
                $info['qty'] = $item['qty'];
		$info['name'] = $item['name'];
		$product_attributes = maybe_unserialize( get_post_meta( $product->get_id(), '_product_attributes', true ) );
		$info['product_attribute_keys'] = array();
		if(is_array($product_attributes)) {
			$info['product_attribute_keys'] = array_keys($product_attributes);
			foreach($product_attributes as $key=>$data) {
				$info[$key] = $data['value'];
			}
		}


		// Product Variations
		$info['variation_data'] = [];
		if($product->is_type('variable'))
		{
			$info['variation_data'] = $product->get_variation_attributes();
		}
		// Product Add-Ons Plugin
		//$info['order_item_meta'] = [];
		$info['order_item_meta'] = $item->get_formatted_meta_data();
      if(function_exists('get_product_addons'))
                {
			//$info['order_item_meta'] = $item->get_formatted_meta_data();
			$info['product_addons'] = get_product_addons($product);
			/*for($i=0;$i<count($info['product_addons']);$i++)
			{
				$addon = $info['product_addons'][$i];
				$addon['key'] = $this->get_addon_key_string($addon);
				$info['product_addons'][$i] = $addon;
			}*/
			foreach($info['order_item_meta'] as $key=>$item_meta)
                        {
				$info['order_item_meta'][$key]->display_label = $this->get_addon_display_label($info['order_item_meta'][$key]);
			}
		}
		//$info['shipping_methods'] = $order->get_shipping_methods();
		//$info['meta_html'] = wc_display_item_meta($item);
		//$info['item'] = $item;
		//$info['product'] = $product;
		return $info;
	}

	private function get_addon_display_label($item_meta)
	{
		$d = $item_meta->display_key;
		// remove the price from the meta display name
		return trim(preg_replace('/\(\$\d.*\)/','',$d));
	}

	/*private function get_addon_key_string($addon)
	{
		$key = $addon['name'];
                if ( $addon['price'] > 0 && apply_filters( 'woocommerce_addons_add_price_to_name', true ) ) {
                	$key .= ' (' . strip_tags( wc_price( get_product_addon_price_for_display( $addon['price'], $values['data'], true ) ) ) . ')';
                }
		return $key;
	}*/

	public function get_order_info($order) {
		// gather some of the basic order info
		$order_info = array();
		$order_info['id'] = $order->get_order_number();
		$order_info['number'] = $order->get_order_number();
		$order_info['options'] = get_option( 'wc_dropship_manager' );
		$order_info['shipping_info'] = $this->get_order_shipping_info($order);
		$order_info['billing_info'] = $this->get_order_billing_info($order);
		$order_info['order'] = $order;
		// for each item determine what products go to what suppliers.
		// Build product/supplier lists so we can send send out our order emails
		$order_info['suppliers'] = array();
		$items = $order->get_items();
		if ( count( $items ) > 0 ) {
			foreach( $items as $item_id => $item ) {
				$ds = wc_dropshipping_get_dropship_supplier_by_product_id( intval( $item['product_id'] ) );
				if ($ds['id'] > 0) {
					$product = $order->get_product_from_item( $item ); // get the product obj
					$prod_info = $this->get_order_product_info($item,$product);
					if(!array_key_exists($ds['slug'],$order_info['suppliers']))
					{
						$order_info['suppliers'][$ds['slug']] = $ds;  // ...add newly found dropship_supplier to the supplier array
						$order_info[$ds['slug']] = array(); // ... and create an empty array to store product info in
					}
					$order_info[$ds['slug']][] = $prod_info;
					//$order_info[$ds['slug'].'_raw'][] = $product;
				}
			}
		} else {
			// how did we get here?
			//$this->sendAlert('No Products found for order #'.$order_info['id'].'!');
			//die;
		}
		return $order_info;
	}

	public function formatPhone($pnum) {
		return preg_replace('~.*(\d{3})[^\d]*(\d{3})[^\d]*(\d{4}).*~', '($1) $2-$3', $pnum);
	}

	public function get_from_name() {
		return wp_specialchars_decode(get_option( 'woocommerce_email_from_name' ));
	}

	public function get_from_address() {
		return get_option( 'woocommerce_email_from_address' );
	}

	public function get_content_type() {
		return " text/html";
	}

	// for sending failure notifications
	public function sendAlert($text) {
		wp_mail( get_bloginfo('admin_email'), 'Alert from '.get_bloginfo('name'), $text );
	}

	public function make_directory( $path ) {
		$upload_dir = wp_upload_dir();
		$order_dir = $upload_dir['basedir'].'/'.$path;
		if( ! file_exists( $order_dir ) )
    			wp_mkdir_p( $order_dir );
		return $order_dir;
	}

	// generate packingslip PDF
	public function make_pdf($order_info,$supplier_info,$html,$file_name) {
		// Include TCPDF library
		if (!class_exists('TCPDF')) {
			require_once( wc_dropshipping_get_base_path() . '/lib/tcpdf_min/tcpdf.php' );
		}
		$options = get_option( 'wc_dropship_manager' );
		// make a directory for the current order (if it doesn't already exist)
		$pdf_path = $this->make_directory($order_info['id']);
		// generate a pdf for the current order and the current supplier
		$file = $pdf_path.'/'.$file_name;
		// create new PDF document
		$pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
		// set document information
		$pdf->SetCreator(PDF_CREATOR);
		// set default header data
		$pdf->SetHeaderData($options['packing_slip_url_to_logo'], $options['packing_slip_url_to_logo_width'], get_option( 'woocommerce_email_from_name' ).' '.date('Y-m-d'));
		// set header and footer fonts
		$pdf->setHeaderFont(Array(PDF_FONT_NAME_MAIN, '', PDF_FONT_SIZE_MAIN));
		//$pdf->setFooterFont(Array(PDF_FONT_NAME_DATA, '', PDF_FONT_SIZE_DATA));
		// remove default header/footer
		//$pdf->setPrintHeader(false);
		$pdf->setPrintFooter(false);
		$pdf->SetDefaultMonospacedFont(PDF_FONT_MONOSPACED);  // set default monospaced font
		$pdf->SetMargins(PDF_MARGIN_LEFT, PDF_MARGIN_TOP, PDF_MARGIN_RIGHT);  // set margins
		$pdf->SetHeaderMargin(PDF_MARGIN_HEADER);
		//$pdf->SetFooterMargin(PDF_MARGIN_FOOTER);
		$pdf->SetAutoPageBreak(TRUE, PDF_MARGIN_BOTTOM); // set auto page breaks
		$pdf->setImageScale(PDF_IMAGE_SCALE_RATIO);  // set image scale factor
		$pdf->AddPage();
		$pdf->writeHTML($html, true, false, true, false, '');
		$pdf->Output($file, 'F'); // save PDF
		return $file;
	}

	// get HTML packingslip
	public function get_packingslip_html($order_info,$supplier_info) {
		$html = '';
		$filename = 'packingslip.html';
		if (file_exists(get_stylesheet_directory().'/woocommerce-dropshipping/'.$supplier_info['slug'].'_'.$filename))
		{
			/* 	User can create a custom supplier packingslip PDF by creating a "woocommerce-dropshipping" directory
				inside their theme's directory and placing a custom SUPPLIERCODE_packingslip.html there */
			$templatepath = get_stylesheet_directory().'/woocommerce-dropshipping/'.$supplier_info['slug'].'_'.$filename;
		}
		else if (file_exists(get_stylesheet_directory().'/wc_dropship_manager/'.$supplier_info['slug'].'_'.$filename))
		{
			/* 	User can create a custom supplier packingslip PDF by creating a "dropship_manager" directory
				inside their theme's directory and placing a custom SUPPLIERCODE_packingslip.html there */
			$templatepath = get_stylesheet_directory().'/wc_dropship_manager/'.$supplier_info['slug'].'_'.$filename;
		}
		else if (file_exists(get_stylesheet_directory().'/woocommerce-dropshipping/'.$filename))
		{
			/* 	User can override the default packingslip PDF by creating a "woocommerce-dropshipping" directory
				inside their theme's directory and placing a custom packingslip.html there */
			$templatepath = get_stylesheet_directory().'/woocommerce-dropshipping/'.$filename;
		}
		else if (file_exists(get_stylesheet_directory().'/wc_dropship_manager/'.$filename))
		{
			/* 	User can override the default packingslip PDF by creating a "dropship_manager" directory
				inside their theme's directory and placing a custom packingslip.html there */
			$templatepath = get_stylesheet_directory().'/wc_dropship_manager/'.$filename;
		}
		else
		{
			$templatepath = wc_dropshipping_get_base_path() . $filename;
		}
		return $this->get_template_html($templatepath,$order_info,$supplier_info);
	}

	// get HTML packingslip
	public function get_packingslip_text($order_info,$supplier_info) {
		$html = '';
		$filename = 'packingslip_text.html';
		if (file_exists(get_stylesheet_directory().'/woocommerce-dropshipping/'.$supplier_info['slug'].'_'.$filename))
		{
			/* 	User can create a custom supplier packingslip PDF by creating a "woocommerce-dropshipping" directory
				inside their theme's directory and placing a custom SUPPLIERCODE_packingslip.html there */
			$templatepath = get_stylesheet_directory().'/woocommerce-dropshipping/'.$supplier_info['slug'].'_'.$filename;
		}
		else if (file_exists(get_stylesheet_directory().'/wc_dropship_manager/'.$supplier_info['slug'].'_'.$filename))
		{
			/* 	User can create a custom supplier packingslip PDF by creating a "dropship_manager" directory
				inside their theme's directory and placing a custom SUPPLIERCODE_packingslip.html there */
			$templatepath = get_stylesheet_directory().'/wc_dropship_manager/'.$supplier_info['slug'].'_'.$filename;
		}
		else if (file_exists(get_stylesheet_directory().'/woocommerce-dropshipping/'.$filename))
		{
			/* 	User can override the default packingslip PDF by creating a "woocommerce-dropshipping" directory
				inside their theme's directory and placing a custom packingslip.html there */
			$templatepath = get_stylesheet_directory().'/woocommerce-dropshipping/'.$filename;
		}
		else if (file_exists(get_stylesheet_directory().'/wc_dropship_manager/'.$filename))
		{
			/* 	User can override the default packingslip PDF by creating a "dropship_manager" directory
				inside their theme's directory and placing a custom packingslip.html there */
			$templatepath = get_stylesheet_directory().'/wc_dropship_manager/'.$filename;
		}
		else
		{
			$templatepath = wc_dropshipping_get_base_path() . $filename;
		}
		return $this->get_template_html($templatepath,$order_info,$supplier_info);
	}

	public function get_template_html($templatepath,$order_info,$supplier_info) {
		$html = '';
		ob_start();
		if (file_exists($templatepath)){
			include($templatepath);
		} else {
			echo '<b>Template '.$templatepath.' not found!</b>';
		}
		$html = ob_get_clean();
		return $html;
	}

	// send the pdf to the supplier
	public function send_order($order_info,$supplier_info) {

		$attachments = array();
		$attachments = apply_filters('wc_dropship_manager_send_order_attachments',$attachments,$order_info,$supplier_info);  // create a pdf packing slip file
		$options = get_option( 'wc_dropship_manager' );
		$text = '';

		$encoded_attachment = chunk_split(base64_encode(file_get_contents($attachments['pdf_packingslip'])));

		$hdrs = array();
		$hdrs['From'] = get_option( 'woocommerce_email_from_address' );
		$hdrs['To'] = $supplier_info['order_email_addresses'].','.get_option( 'woocommerce_email_from_address' );
		$hdrs['CC'] = get_option( 'woocommerce_email_from_address' );
		$hdrs['Subject'] = 'New Order #'.$order_info['id'].' From '.get_option( 'woocommerce_email_from_name' );


		$semi_rand = md5(time());
		$semi_rand_mixed = $semi_rand."11";
		$mime_boundary_alt = "{$semi_rand}";
		$mime_boundary_mixed = "{$semi_rand_mixed}";
		$headers  = "From: ".wp_specialchars_decode(get_option( 'woocommerce_email_from_name' ))." <".get_option( 'woocommerce_email_from_address' ).">\r\n";
		$headers .= "MIME-Version: 1.0\n";
		$headers .= "CC: ".get_option( 'woocommerce_email_from_address' )."r\n";
		$headers .= "Content-Type: multipart/mixed;\n";
		$headers .= " boundary=\"{$mime_boundary_mixed}\"";

		if (strlen($supplier_info['account_number']) > 0)
		{
			$text .= get_option( 'woocommerce_email_from_name' ).' account number: '.$supplier_info['account_number'].'<br/>';
		}
		$textPlain = $this->get_packingslip_text($order_info,$supplier_info);
		$text = $this->get_packingslip_html($order_info,$supplier_info);
		$text = $options['email_order_note'] . $text;
		$html = apply_filters('wc_dropship_manager_send_order_email_html',$text);


		$message = "This is a multi-part message in MIME format.\n\n";

		$message .=  "--{$mime_boundary_mixed}\n";

		$message .= "Content-Type: multipart/alternative;\n";
		$message .= " boundary=\"{$mime_boundary_alt}\"\n\n";		// The space in front of boundary is crucial.

		$email_message_text  = strip_tags($html);

		$email_message_html = $html;

		// Add a multipart boundary above the plain message
		$message .= "--{$mime_boundary_alt}\n" .
          "Content-Type: text/plain; charset=\"iso-8859-1\"\n" .
          "Content-Transfer-Encoding: 7bit\n\n" .
          $textPlain."\n\n" .
          "--{$mime_boundary_alt}\n" .
          "Content-Type: text/html; charset=\"iso-8859-1\"\n" .
          "Content-Transfer-Encoding: 7bit\n\n" .
          $email_message_html . "\n\n" .
          "--{$mime_boundary_alt}--\n";      // Must have 2 hyphens at the end.


		$attachment_name = $order_info['id'].'_'.$supplier_info['slug'].'.pdf';;

        $message .= "--{$mime_boundary_mixed}\n" .
		          "Content-Type: application/pdf; name=".$attachment_name."\n" .
		          "Content-Transfer-Encoding: base64\n\n" .
				  "Content-Disposition: attachment".
		          $encoded_attachment . "\n\n" ;
		$message .= "--{$mime_boundary_mixed}--\n";			// Must have 2 hyphens at the en

		mail($hdrs['To'], $hdrs['Subject'], $message, $headers);
	}

	public function send_order_email_html( $text ) {
		return '<b>'.$text.'</b>';
	}

	public function send_order_attach_packingslip($attachments,$order_info,$supplier_info) {
		$html = $this->get_packingslip_html($order_info,$supplier_info);
		$file_name = $order_info['id'].'_'.$supplier_info['slug'].'.pdf';
		$attachments['pdf_packingslip'] = $this->make_pdf($order_info,$supplier_info,$html,$file_name);  // create a pdf packing slip file
		return $attachments;
	}
}
	<?php
	class WC_Dropshipping_Orders {
	public function __construct() {
	$this->init();
	}

	public function init() {
	// order processing
	add_filter('wc_dropship_manager_send_order_email_html',array($this,'send_order_email_html'));
	add_filter('wc_dropship_manager_send_order_attachments',array($this,'send_order_attach_packingslip'),10,3);
	add_action('woocommerce_order_actions',array( $this,'add_order_meta_box_order_processing'));
	add_action('woocommerce_order_status_processing',array($this,'order_processing'));
	add_action('woocommerce_order_action_resend_dropship_supplier_notifications',array($this,'order_processing'));
	add_action('wc_dropship_manager_send_order',array($this,'send_order'),10, 2);
	}

	public function add_order_meta_box_order_processing( $actions ) {
	$actions['resend_dropship_supplier_notifications'] = 'Resend Dropship Supplier Notifications';
	return $actions;
	}

	/* Notify Suppliers */
	// perform all tasks that happen once an order is set to processing
	public function order_processing( $order_id ) {
	$order = new WC_Order( $order_id ); // load the order from woocommerce
	$this->notify_warehouse($order); // notify the warehouse to ship the order
	}

	// parse the order, build pdfs, and send orders to the correct suppliers
	public function notify_warehouse( $order ) {
	$order_info = $this->get_order_info($order);
	$supplier_codes = $order_info['suppliers'];
	// for each supplier code, loop and send email with product info
	foreach($supplier_codes as $code => $supplier_info) {
	do_action('wc_dropship_manager_send_order',$order_info,$supplier_info);
	}
	}

	public function get_order_shipping_info($order) {
	$keys = explode(',','shipping_first_name,shipping_last_name,shipping_address_1,shipping_address_2,shipping_city,shipping_state,shipping_postcode,shipping_country,billing_phone,shipping_company');
	$info = array();
	$info['name'] = $order->get_shipping_first_name().' '.$order->get_shipping_last_name();
	$info['phone'] = $this->formatPhone($order->get_billing_phone());
	$info['shipping_method'] = $order->get_shipping_method();
	foreach($keys as $key) {
	if ( is_callable( array( $order, "get_{$key}" ) ) ) {
	$info[$key] = $order->{'get_'.$key}();
	}else{
	$info[$key] = '';
	}
	}
	return $info;
	}

	/**
	* @param $order WC_Order
	*
	* @return array
	*/
	public function get_order_billing_info($order) {
	$keys = explode(',','billing_first_name,billing_last_name,billing_address_1,billing_address_2,billing_city,billing_state,billing_postcode,billing_country,billing_phone,billing_email,billing_company');
	$info = array();
	$info['name'] = $order->get_billing_first_name().' '.$order->get_billing_last_name();
	$info['phone'] = $this->formatPhone($order->get_billing_phone());
	foreach($keys as $key) {
	if ( is_callable( array( $order, "get_{$key}" ) ) ) {
	$info[$key] = $order->{'get_'.$key}();
	}else{
	$info[$key] = '';
	}
	}
	return $info;
	}

	public function get_order_product_info($item,$product) {
	$info = array();
	$info['sku'] = $product->get_sku();
	$info['qty'] = $item['qty'];
	$info['name'] = $item['name'];
	$product_attributes = maybe_unserialize( get_post_meta( $product->get_id(), '_product_attributes', true ) );
	$info['product_attribute_keys'] = array();
	if(is_array($product_attributes)) {
	$info['product_attribute_keys'] = array_keys($product_attributes);
	foreach($product_attributes as $key=>$data) {
	$info[$key] = $data['value'];
	}
	}


	// Product Variations
	$info['variation_data'] = [];
	if($product->is_type('variable'))
	{
	$info['variation_data'] = $product->get_variation_attributes();
	}
	// Product Add-Ons Plugin
	//$info['order_item_meta'] = [];
	$info['order_item_meta'] = $item->get_formatted_meta_data();
	if(function_exists('get_product_addons'))
	{
	//$info['order_item_meta'] = $item->get_formatted_meta_data();
	$info['product_addons'] = get_product_addons($product);
	/*for($i=0;$i<count($info['product_addons']);$i++)
	{
	$addon = $info['product_addons'][$i];
	$addon['key'] = $this->get_addon_key_string($addon);
	$info['product_addons'][$i] = $addon;
	}*/
	foreach($info['order_item_meta'] as $key=>$item_meta)
	{
	$info['order_item_meta'][$key]->display_label = $this->get_addon_display_label($info['order_item_meta'][$key]);
	}
	}
	//$info['shipping_methods'] = $order->get_shipping_methods();
	//$info['meta_html'] = wc_display_item_meta($item);
	//$info['item'] = $item;
	//$info['product'] = $product;
	return $info;
	}

	private function get_addon_display_label($item_meta)
	{
	$d = $item_meta->display_key;
	// remove the price from the meta display name
	return trim(preg_replace('/\(\$\d.*\)/','',$d));
	}

	/*private function get_addon_key_string($addon)
	{
	$key = $addon['name'];
	if ( $addon['price'] > 0 && apply_filters( 'woocommerce_addons_add_price_to_name', true ) ) {
	$key .= ' (' . strip_tags( wc_price( get_product_addon_price_for_display( $addon['price'], $values['data'], true ) ) ) . ')';
	}
	return $key;
	}*/

	public function get_order_info($order) {
	// gather some of the basic order info
	$order_info = array();
	$order_info['id'] = $order->get_order_number();
	$order_info['number'] = $order->get_order_number();
	$order_info['options'] = get_option( 'wc_dropship_manager' );
	$order_info['shipping_info'] = $this->get_order_shipping_info($order);
	$order_info['billing_info'] = $this->get_order_billing_info($order);
	$order_info['order'] = $order;
	// for each item determine what products go to what suppliers.
	// Build product/supplier lists so we can send send out our order emails
	$order_info['suppliers'] = array();
	$items = $order->get_items();
	if ( count( $items ) > 0 ) {
	foreach( $items as $item_id => $item ) {
	$ds = wc_dropshipping_get_dropship_supplier_by_product_id( intval( $item['product_id'] ) );
	if ($ds['id'] > 0) {
	$product = $order->get_product_from_item( $item ); // get the product obj
	$prod_info = $this->get_order_product_info($item,$product);
	if(!array_key_exists($ds['slug'],$order_info['suppliers']))
	{
	$order_info['suppliers'][$ds['slug']] = $ds; // ...add newly found dropship_supplier to the supplier array
	$order_info[$ds['slug']] = array(); // ... and create an empty array to store product info in
	}
	$order_info[$ds['slug']][] = $prod_info;
	//$order_info[$ds['slug'].'_raw'][] = $product;
	}
	}
	} else {
	// how did we get here?
	//$this->sendAlert('No Products found for order #'.$order_info['id'].'!');
	//die;
	}
	return $order_info;
	}

	public function formatPhone($pnum) {
	return preg_replace('~.(\d{3})[^\d](\d{3})[^\d](\d{4}).~', '($1) $2-$3', $pnum);
	}

	public function get_from_name() {
	return wp_specialchars_decode(get_option( 'woocommerce_email_from_name' ));
	}

	public function get_from_address() {
	return get_option( 'woocommerce_email_from_address' );
	}

	public function get_content_type() {
	return " text/html";
	}

	// for sending failure notifications
	public function sendAlert($text) {
	wp_mail( get_bloginfo('admin_email'), 'Alert from '.get_bloginfo('name'), $text );
	}

	public function make_directory( $path ) {
	$upload_dir = wp_upload_dir();
	$order_dir = $upload_dir['basedir'].'/'.$path;
	if( ! file_exists( $order_dir ) )
	wp_mkdir_p( $order_dir );
	return $order_dir;
	}

	// generate packingslip PDF
	public function make_pdf($order_info,$supplier_info,$html,$file_name) {
	// Include TCPDF library
	if (!class_exists('TCPDF')) {
	require_once( wc_dropshipping_get_base_path() . '/lib/tcpdf_min/tcpdf.php' );
	}
	$options = get_option( 'wc_dropship_manager' );
	// make a directory for the current order (if it doesn't already exist)
	$pdf_path = $this->make_directory($order_info['id']);
	// generate a pdf for the current order and the current supplier
	$file = $pdf_path.'/'.$file_name;
	// create new PDF document
	$pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
	// set document information
	$pdf->SetCreator(PDF_CREATOR);
	// set default header data
	$pdf->SetHeaderData($options['packing_slip_url_to_logo'], $options['packing_slip_url_to_logo_width'], get_option( 'woocommerce_email_from_name' ).' '.date('Y-m-d'));
	// set header and footer fonts
	$pdf->setHeaderFont(Array(PDF_FONT_NAME_MAIN, '', PDF_FONT_SIZE_MAIN));
	//$pdf->setFooterFont(Array(PDF_FONT_NAME_DATA, '', PDF_FONT_SIZE_DATA));
	// remove default header/footer
	//$pdf->setPrintHeader(false);
	$pdf->setPrintFooter(false);
	$pdf->SetDefaultMonospacedFont(PDF_FONT_MONOSPACED); // set default monospaced font
	$pdf->SetMargins(PDF_MARGIN_LEFT, PDF_MARGIN_TOP, PDF_MARGIN_RIGHT); // set margins
	$pdf->SetHeaderMargin(PDF_MARGIN_HEADER);
	//$pdf->SetFooterMargin(PDF_MARGIN_FOOTER);
	$pdf->SetAutoPageBreak(TRUE, PDF_MARGIN_BOTTOM); // set auto page breaks
	$pdf->setImageScale(PDF_IMAGE_SCALE_RATIO); // set image scale factor
	$pdf->AddPage();
	$pdf->writeHTML($html, true, false, true, false, '');
	$pdf->Output($file, 'F'); // save PDF
	return $file;
	}

	// get HTML packingslip
	public function get_packingslip_html($order_info,$supplier_info) {
	$html = '';
	$filename = 'packingslip.html';
	if (file_exists(get_stylesheet_directory().'/woocommerce-dropshipping/'.$supplier_info['slug'].'_'.$filename))
	{
	/* User can create a custom supplier packingslip PDF by creating a "woocommerce-dropshipping" directory
	inside their theme's directory and placing a custom SUPPLIERCODE_packingslip.html there */
	$templatepath = get_stylesheet_directory().'/woocommerce-dropshipping/'.$supplier_info['slug'].'_'.$filename;
	}
	else if (file_exists(get_stylesheet_directory().'/wc_dropship_manager/'.$supplier_info['slug'].'_'.$filename))
	{
	/* User can create a custom supplier packingslip PDF by creating a "dropship_manager" directory
	inside their theme's directory and placing a custom SUPPLIERCODE_packingslip.html there */
	$templatepath = get_stylesheet_directory().'/wc_dropship_manager/'.$supplier_info['slug'].'_'.$filename;
	}
	else if (file_exists(get_stylesheet_directory().'/woocommerce-dropshipping/'.$filename))
	{
	/* User can override the default packingslip PDF by creating a "woocommerce-dropshipping" directory
	inside their theme's directory and placing a custom packingslip.html there */
	$templatepath = get_stylesheet_directory().'/woocommerce-dropshipping/'.$filename;
	}
	else if (file_exists(get_stylesheet_directory().'/wc_dropship_manager/'.$filename))
	{
	/* User can override the default packingslip PDF by creating a "dropship_manager" directory
	inside their theme's directory and placing a custom packingslip.html there */
	$templatepath = get_stylesheet_directory().'/wc_dropship_manager/'.$filename;
	}
	else
	{
	$templatepath = wc_dropshipping_get_base_path() . $filename;
	}
	return $this->get_template_html($templatepath,$order_info,$supplier_info);
	}

	// get HTML packingslip
	public function get_packingslip_text($order_info,$supplier_info) {
	$html = '';
	$filename = 'packingslip_text.html';
	if (file_exists(get_stylesheet_directory().'/woocommerce-dropshipping/'.$supplier_info['slug'].'_'.$filename))
	{
	/* User can create a custom supplier packingslip PDF by creating a "woocommerce-dropshipping" directory
	inside their theme's directory and placing a custom SUPPLIERCODE_packingslip.html there */
	$templatepath = get_stylesheet_directory().'/woocommerce-dropshipping/'.$supplier_info['slug'].'_'.$filename;
	}
	else if (file_exists(get_stylesheet_directory().'/wc_dropship_manager/'.$supplier_info['slug'].'_'.$filename))
	{
	/* User can create a custom supplier packingslip PDF by creating a "dropship_manager" directory
	inside their theme's directory and placing a custom SUPPLIERCODE_packingslip.html there */
	$templatepath = get_stylesheet_directory().'/wc_dropship_manager/'.$supplier_info['slug'].'_'.$filename;
	}
	else if (file_exists(get_stylesheet_directory().'/woocommerce-dropshipping/'.$filename))
	{
	/* User can override the default packingslip PDF by creating a "woocommerce-dropshipping" directory
	inside their theme's directory and placing a custom packingslip.html there */
	$templatepath = get_stylesheet_directory().'/woocommerce-dropshipping/'.$filename;
	}
	else if (file_exists(get_stylesheet_directory().'/wc_dropship_manager/'.$filename))
	{
	/* User can override the default packingslip PDF by creating a "dropship_manager" directory
	inside their theme's directory and placing a custom packingslip.html there */
	$templatepath = get_stylesheet_directory().'/wc_dropship_manager/'.$filename;
	}
	else
	{
	$templatepath = wc_dropshipping_get_base_path() . $filename;
	}
	return $this->get_template_html($templatepath,$order_info,$supplier_info);
	}

	public function get_template_html($templatepath,$order_info,$supplier_info) {
	$html = '';
	ob_start();
	if (file_exists($templatepath)){
	include($templatepath);
	} else {
	echo '<b>Template '.$templatepath.' not found!</b>';
	}
	$html = ob_get_clean();
	return $html;
	}

	// send the pdf to the supplier
	public function send_order($order_info,$supplier_info) {

	$attachments = array();
	$attachments = apply_filters('wc_dropship_manager_send_order_attachments',$attachments,$order_info,$supplier_info); // create a pdf packing slip file
	$options = get_option( 'wc_dropship_manager' );
	$text = '';

	$encoded_attachment = chunk_split(base64_encode(file_get_contents($attachments['pdf_packingslip'])));

	$hdrs = array();
	$hdrs['From'] = get_option( 'woocommerce_email_from_address' );
	$hdrs['To'] = $supplier_info['order_email_addresses'].','.get_option( 'woocommerce_email_from_address' );
	$hdrs['CC'] = get_option( 'woocommerce_email_from_address' );
	$hdrs['Subject'] = 'New Order #'.$order_info['id'].' From '.get_option( 'woocommerce_email_from_name' );


	$semi_rand = md5(time());
	$semi_rand_mixed = $semi_rand."11";
	$mime_boundary_alt = "{$semi_rand}";
	$mime_boundary_mixed = "{$semi_rand_mixed}";
	$headers = "From: ".wp_specialchars_decode(get_option( 'woocommerce_email_from_name' ))." <".get_option( 'woocommerce_email_from_address' ).">\r\n";
	$headers .= "MIME-Version: 1.0\n";
	$headers .= "CC: ".get_option( 'woocommerce_email_from_address' )."r\n";
	$headers .= "Content-Type: multipart/mixed;\n";
	$headers .= " boundary=\"{$mime_boundary_mixed}\"";

	if (strlen($supplier_info['account_number']) > 0)
	{
	$text .= get_option( 'woocommerce_email_from_name' ).' account number: '.$supplier_info['account_number'].'<br/>';
	}
	$textPlain = $this->get_packingslip_text($order_info,$supplier_info);
	$text = $this->get_packingslip_html($order_info,$supplier_info);
	$text = $options['email_order_note'] . $text;
	$html = apply_filters('wc_dropship_manager_send_order_email_html',$text);


	$message = "This is a multi-part message in MIME format.\n\n";

	$message .= "--{$mime_boundary_mixed}\n";

	$message .= "Content-Type: multipart/alternative;\n";
	$message .= " boundary=\"{$mime_boundary_alt}\"\n\n"; // The space in front of boundary is crucial.

	$email_message_text = strip_tags($html);

	$email_message_html = $html;

	// Add a multipart boundary above the plain message
	$message .= "--{$mime_boundary_alt}\n" .
	"Content-Type: text/plain; charset=\"iso-8859-1\"\n" .
	"Content-Transfer-Encoding: 7bit\n\n" .
	$textPlain."\n\n" .
	"--{$mime_boundary_alt}\n" .
	"Content-Type: text/html; charset=\"iso-8859-1\"\n" .
	"Content-Transfer-Encoding: 7bit\n\n" .
	$email_message_html . "\n\n" .
	"--{$mime_boundary_alt}--\n"; // Must have 2 hyphens at the end.


	$attachment_name = $order_info['id'].'_'.$supplier_info['slug'].'.pdf';;

	$message .= "--{$mime_boundary_mixed}\n" .
	"Content-Type: application/pdf; name=".$attachment_name."\n" .
	"Content-Transfer-Encoding: base64\n\n" .
	"Content-Disposition: attachment".
	$encoded_attachment . "\n\n" ;
	$message .= "--{$mime_boundary_mixed}--\n"; // Must have 2 hyphens at the en

	mail($hdrs['To'], $hdrs['Subject'], $message, $headers);
	}

	public function send_order_email_html( $text ) {
	return '<b>'.$text.'</b>';
	}

	public function send_order_attach_packingslip($attachments,$order_info,$supplier_info) {
	$html = $this->get_packingslip_html($order_info,$supplier_info);
	$file_name = $order_info['id'].'_'.$supplier_info['slug'].'.pdf';
	$attachments['pdf_packingslip'] = $this->make_pdf($order_info,$supplier_info,$html,$file_name); // create a pdf packing slip file
	return $attachments;
	}
	}