A simple BACS payment gateway for Jigoshop. Just drop in to the gateways directory in the plugin.

bacs.php

<?php
/*
Provides a BACS Payment Gateway.
Created by Mike Pepper (mike@takeovermedia.co.uk)
Based on the cheque gateway created by Andrew Benbow (andrew@chromeorange.co.uk)
*/

class jigoshop_bacs extends jigoshop_payment_gateway {
		
	public function __construct() { 
    $this->id				  = 'bacs';
    $this->icon 			= '';
    $this->has_fields = false;
		
		$this->enabled			    = get_option('jigoshop_bacs_enabled');
		$this->title 			      = get_option('jigoshop_bacs_title');
		$this->description      = get_option('jigoshop_bacs_description');
    $this->account_name     = get_option('jigoshop_bacs_account_name');
    $this->account_number   = get_option('jigoshop_bacs_account_number');
    $this->sort_code        = get_option('jigoshop_bacs_sort_code');
    $this->iban             = get_option('jigoshop_bacs_iban');
    $this->bic              = get_option('jigoshop_bacs_bic');    
    
		add_action('jigoshop_update_options', array(&$this, 'process_admin_options'));
		add_option('jigoshop_bacs_enabled', 'no');
		add_option('jigoshop_bacs_title', 'Direct Bank Transer');
		add_option('jigoshop_bacs_description', 'Make your payment directly into our bank account. Please use your Order ID as the payment reference. Your order wont be shipped until the funds have cleared in our account.');
    add_action('thankyou_bacs', array(&$this, 'thankyou_page'));
  } 
    
	/**
	 * Admin Panel Options 
	 * - Options for bits like 'title' and availability on a country-by-country basis
	 **/
	public function admin_options() {
    	?>
    	<thead><tr><th scope="col" width="200px"><?php _e('BACS Payment', 'jigoshop'); ?></th><th scope="col" class="desc"><?php _e('Allows payments by BACS (Bank Account Clearing System Payment), more commonly known as direct bank/wire transfer.', 'jigoshop'); ?></th></tr></thead>
    	<tr>
	        <td class="titledesc"><?php _e('Enable BACS Payment', 'jigoshop') ?>:</td>
	        <td class="forminp">
		        <select name="jigoshop_bacs_enabled" id="jigoshop_bacs_enabled" style="min-width:100px;">
		            <option value="yes" <?php if (get_option('jigoshop_bacs_enabled') == 'yes') echo 'selected="selected"'; ?>><?php _e('Yes', 'jigoshop'); ?></option>
		            <option value="no" <?php if (get_option('jigoshop_bacs_enabled') == 'no') echo 'selected="selected"'; ?>><?php _e('No', 'jigoshop'); ?></option>
		        </select>
	        </td>
	    </tr>
	    <tr>
	        <td class="titledesc"><a href="#" tip="<?php _e('This controls the title which the user sees during checkout.','jigoshop') ?>" class="tips" tabindex="99"></a><?php _e('Method Title', 'jigoshop') ?>:</td>
	        <td class="forminp">
		        <input class="input-text" type="text" name="jigoshop_bacs_title" id="jigoshop_bacs_title" value="<?php if ($value = get_option('jigoshop_bacs_title')) echo $value; else echo 'BACS Payment'; ?>" />
	        </td>
	    </tr>
	    <tr>
	        <td class="titledesc"><a href="#" tip="<?php _e('Let the customer know the payee\'s bank details, and that their order won\'t be shipping until the money is received.','jigoshop') ?>" class="tips" tabindex="99"></a><?php _e('Customer Message', 'jigoshop') ?>:</td>
	        <td class="forminp">
		        <input class="input-text wide-input" type="text" name="jigoshop_bacs_description" id="jigoshop_bacs_description" value="<?php if ($value = get_option('jigoshop_bacs_description')) echo $value; ?>" />
	        </td>
	    </tr>
	    <tr>
	        <td class="titledesc"><a href="#" tabindex="99"></a><?php _e('Account Name', 'jigoshop') ?>:</td>
	        <td class="forminp">
		        <input class="input-text" type="text" name="jigoshop_bacs_account_name" id="jigoshop_bacs_account_name" value="<?php if ($value = get_option('jigoshop_bacs_account_name')) echo $value; ?>" />
	        </td>
	    </tr>
	    <tr>
	        <td class="titledesc"><a href="#" tabindex="99"></a><?php _e('Account Number', 'jigoshop') ?>:</td>
	        <td class="forminp">
		        <input class="input-text" type="text" name="jigoshop_bacs_account_number" id="jigoshop_bacs_account_number" value="<?php if ($value = get_option('jigoshop_bacs_account_number')) echo $value; ?>" />
	        </td>
	    </tr>
	    <tr>
	        <td class="titledesc"><a href="#" tabindex="99"></a><?php _e('Sort Code', 'jigoshop') ?>:</td>
	        <td class="forminp">
		        <input class="input-text" type="text" name="jigoshop_bacs_sort_code" id="jigoshop_bacs_sort_code" value="<?php if ($value = get_option('jigoshop_bacs_sort_code')) echo $value; ?>" />
	        </td>
	    </tr>
	    <tr>
	        <td class="titledesc"><a href="#" tip="<?php _e('Your bank may require this for international payments','jigoshop') ?>" class="tips" tabindex="99"></a><?php _e('IBAN', 'jigoshop') ?>:</td>
	        <td class="forminp">
		        <input class="input-text" type="text" name="jigoshop_bacs_iban" id="jigoshop_bacs_iban" value="<?php if ($value = get_option('jigoshop_bacs_iban')) echo $value; ?>" />
	        </td>
	    </tr>
	    <tr>
	        <td class="titledesc"><a href="#" tip="<?php _e('Your bank may require this for international payments','jigoshop') ?>" class="tips" tabindex="99"></a><?php _e('BIC (formerly \'Swift\')', 'jigoshop') ?>:</td>
	        <td class="forminp">
		        <input class="input-text" type="text" name="jigoshop_bacs_bic" id="jigoshop_bacs_bic" value="<?php if ($value = get_option('jigoshop_bacs_bic')) echo $value; ?>" />
	        </td>
	    </tr>
	    
    	<?php
    }
    
	/**
	* There are no payment fields for bacs, but we want to show the description if set.
	**/
	function payment_fields() {
		if ($this->description) echo wpautop(wptexturize($this->description));
	}
	
	function thankyou_page() {
		if ($this->description) echo wpautop(wptexturize($this->description));
	  ?><h2><?php _e('Our Details', 'jigoshop') ?></h2><ul class="order_details bacs_details"><?php
		if ($this->account_name) { ?>
		  <li class="account_name">
		    <?php _e('Account Name', 'jigoshop') ?>:
		    <strong><?php echo wptexturize($this->account_name) ?></strong>
		  </li>
		<?php }
		if ($this->account_number) { ?>
		  <li class="account_number">
		    <?php _e('Account Number', 'jigoshop') ?>:
		    <strong><?php echo wptexturize($this->account_number) ?></strong>
		  </li>
		<?php }
		if ($this->sort_code) { ?>
		  <li class="sort_code">
		    <?php _e('Sort code', 'jigoshop') ?>:
		    <strong><?php echo wptexturize($this->sort_code) ?></strong>
		  </li>
		<?php }
		if ($this->iban) { ?>
		  <li class="iban">
		    <?php _e('IBAN', 'jigoshop') ?>:
		    <strong><?php echo wptexturize($this->iban) ?></strong>
		  </li>
		<?php }
		if ($this->bic) { ?>
		  <li class="bic">
		    <?php _e('BIC', 'jigoshop') ?>:
		    <strong><?php echo wptexturize($this->bic) ?></strong>
		  </li>
		<?php }
		
		echo "</ul>";
	}
    
	/**
	 * Admin Panel Options Processing
	 * - Saves the options to the DB
	 **/
    public function process_admin_options() {
   		if(isset($_POST['jigoshop_bacs_enabled'])) 	      update_option('jigoshop_bacs_enabled', 	      jigowatt_clean($_POST['jigoshop_bacs_enabled']));         else @delete_option('jigoshop_bacs_enabled');
   		if(isset($_POST['jigoshop_bacs_title'])) 	        update_option('jigoshop_bacs_title', 	        jigowatt_clean($_POST['jigoshop_bacs_title']));           else @delete_option('jigoshop_bacs_title');
   		if(isset($_POST['jigoshop_bacs_description']))    update_option('jigoshop_bacs_description',  	jigowatt_clean($_POST['jigoshop_bacs_description']));     else @delete_option('jigoshop_bacs_description');
      if(isset($_POST['jigoshop_bacs_account_name']))   update_option('jigoshop_bacs_account_name',   jigowatt_clean($_POST['jigoshop_bacs_account_name']));    else @delete_option('jigoshop_bacs_account_name');
      if(isset($_POST['jigoshop_bacs_account_number'])) update_option('jigoshop_bacs_account_number', jigowatt_clean($_POST['jigoshop_bacs_account_number']));  else @delete_option('jigoshop_bacs_account_number');
      if(isset($_POST['jigoshop_bacs_sort_code']))      update_option('jigoshop_bacs_sort_code',      jigowatt_clean($_POST['jigoshop_bacs_sort_code']));       else @delete_option('jigoshop_bacs_sort_code');
      if(isset($_POST['jigoshop_bacs_iban']))           update_option('jigoshop_bacs_iban',           jigowatt_clean($_POST['jigoshop_bacs_iban']));            else @delete_option('jigoshop_bacs_iban');
      if(isset($_POST['jigoshop_bacs_bic']))            update_option('jigoshop_bacs_bic',            jigowatt_clean($_POST['jigoshop_bacs_bic']));             else @delete_option('jigoshop_bacs_bic');
    
    }
	
	/**
	 * Process the payment and return the result
	 **/
	function process_payment( $order_id ) {
		
		$order = &new jigoshop_order( $order_id );
		
		// Mark as on-hold (we're awaiting the payment)
		$order->update_status('on-hold', __('Awaiting BACS payment', 'jigoshop'));
		
		// Remove cart
		jigoshop_cart::empty_cart();
			
		// Return thankyou redirect
		return array(
			'result' 	=> 'success',
			'redirect'	=> add_query_arg('key', $order->order_key, add_query_arg('order', $order_id, get_permalink(get_option('jigoshop_thanks_page_id'))))
		);
		
	}
	
}

/**
 * Add the gateway to JigoShop
 **/
function add_bacs_gateway( $methods ) {
	$methods[] = 'jigoshop_bacs'; return $methods;
}

add_filter('jigoshop_payment_gateways', 'add_bacs_gateway');