woocommerce/admin/settings/settings-tax-rates.php

<?php
/**
 * Additional tax settings
 *
 * @author 		WooThemes
 * @category 	Admin
 * @package 	WooCommerce/Admin/Settings
 * @version     2.0.0
 */

if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly

/**
 * Output tax rate settings.
 *
 * @access public
 * @return void
 */
function woocommerce_tax_rates_setting() {
	global $woocommerce, $current_section, $wpdb;

	$tax_classes   = array_filter( array_map( 'trim', explode( "\n", get_option('woocommerce_tax_classes' ) ) ) );
	$current_class = '';

	foreach( $tax_classes as $class )
		if ( sanitize_title( $class ) == $current_section )
			$current_class = $class;
	?>
	<h3><?php printf( __( 'Tax Rates for the "%s" Class', 'woocommerce' ), $current_class ? esc_html( $current_class ) : __( 'Standard', 'woocommerce' ) ); ?></h3>
	<p><?php printf( __( 'Define tax rates for countries and states below. <a href="%s">See here</a> for available country/state codes.', 'woocommerce' ), 'http://wcdocs.woothemes.com/?p=2163' ); ?></p>
	<table class="wc_tax_rates widefat">
		<thead>
			<tr>
				<th class="sort">&nbsp;</th>

				<th width="8%"><?php _e( 'Country&nbsp;Code', 'woocommerce' ); ?>&nbsp;<span class="tips" data-tip="<?php _e('A 2 digit country code, e.g. US. Leave blank to apply to all.', 'woocommerce'); ?>">[?]</span></th>

				<th width="8%"><?php _e( 'State&nbsp;Code', 'woocommerce' ); ?>&nbsp;<span class="tips" data-tip="<?php _e('A 2 digit state code, e.g. AL. Leave blank to apply to all.', 'woocommerce'); ?>">[?]</span></th>

				<th><?php _e( 'ZIP/Postcode', 'woocommerce' ); ?>&nbsp;<span class="tips" data-tip="<?php _e('Postcode for this rule. Semi-colon (;) separate multiple values. Leave blank to apply to all areas. Wildcards (*) can be used. Ranges for numeric postcodes (e.g. 12345-12350) will be expanded into individual postcodes.', 'woocommerce'); ?>">[?]</span></th>

				<th><?php _e( 'City', 'woocommerce' ); ?>&nbsp;<span class="tips" data-tip="<?php _e('Cities for this rule. Semi-colon (;) separate multiple values. Leave blank to apply to all cities.', 'woocommerce'); ?>">[?]</span></th>

				<th width="8%"><?php _e( 'Rate&nbsp;%', 'woocommerce' ); ?>&nbsp;<span class="tips" data-tip="<?php _e( 'Enter a tax rate (percentage) to 4 decimal places.', 'woocommerce' ); ?>">[?]</span></th>

				<th width="8%"><?php _e( 'Tax&nbsp;Name', 'woocommerce' ); ?>&nbsp;<span class="tips" data-tip="<?php _e('Enter a name for this tax rate.', 'woocommerce'); ?>">[?]</span></th>

				<th width="8%"><?php _e( 'Priority', 'woocommerce' ); ?>&nbsp;<span class="tips" data-tip="<?php _e('Choose a priority for this tax rate. Only 1 matching rate per priority will be used. To define multiple tax rates for a single area you need to specify a different priority per rate.', 'woocommerce'); ?>">[?]</span></th>

				<th width="8%"><?php _e( 'Compound', 'woocommerce' ); ?>&nbsp;<span class="tips" data-tip="<?php _e('Choose whether or not this is a compound rate. Compound tax rates are applied on top of other tax rates.', 'woocommerce'); ?>">[?]</span></th>

				<th width="8%"><?php _e( 'Shipping', 'woocommerce' ); ?>&nbsp;<span class="tips" data-tip="<?php _e('Choose whether or not this tax rate also gets applied to shipping.', 'woocommerce'); ?>">[?]</span></th>

			</tr>
		</thead>
		<tfoot>
			<tr>
				<th colspan="10">
					<a href="#" class="button plus insert"><?php _e( 'Insert row', 'woocommerce' ); ?></a>
					<a href="#" class="button minus remove"><?php _e( 'Remove selected row(s)', 'woocommerce' ); ?></a>

					<a href="#" download="tax_rates.csv" class="button export"><?php _e( 'Export CSV', 'woocommerce' ); ?></a>
					<a href="<?php echo admin_url( 'admin.php?import=woocommerce_tax_rate_csv' ); ?>" class="button import"><?php _e( 'Import CSV', 'woocommerce' ); ?></a>
				</th>
			</tr>
		</tfoot>
		<tbody id="rates">
			<?php
				$rates = $wpdb->get_results( $wpdb->prepare(
					"SELECT * FROM {$wpdb->prefix}woocommerce_tax_rates
					WHERE tax_rate_class = %s
					ORDER BY tax_rate_order
					" , $current_class ) );

				foreach ( $rates as $rate ) {
					?>
					<tr>
						<td class="sort"><input type="hidden" class="remove_tax_rate" name="remove_tax_rate[<?php echo $rate->tax_rate_id ?>]" value="0" /></td>

						<td class="country" width="8%">
							<input type="text" value="<?php echo esc_attr( $rate->tax_rate_country ) ?>" placeholder="*" name="tax_rate_country[<?php echo $rate->tax_rate_id ?>]" />
						</td>

						<td class="state" width="8%">
							<input type="text" value="<?php echo esc_attr( $rate->tax_rate_state ) ?>" placeholder="*" name="tax_rate_state[<?php echo $rate->tax_rate_id ?>]" />
						</td>

						<td class="postcode">
							<input type="text" value="<?php
								$locations = $wpdb->get_col( $wpdb->prepare( "SELECT location_code FROM {$wpdb->prefix}woocommerce_tax_rate_locations WHERE location_type='postcode' AND tax_rate_id = %d ORDER BY location_code", $rate->tax_rate_id ) );

								echo esc_attr( implode( '; ', $locations ) );
							?>" placeholder="*" data-name="tax_rate_postcode[<?php echo $rate->tax_rate_id ?>]" />
						</td>

						<td class="city">
							<input type="text" value="<?php
								$locations = $wpdb->get_col( $wpdb->prepare( "SELECT location_code FROM {$wpdb->prefix}woocommerce_tax_rate_locations WHERE location_type='city' AND tax_rate_id = %d ORDER BY location_code", $rate->tax_rate_id ) );
								echo esc_attr( implode( '; ', $locations ) );
							?>" placeholder="*" data-name="tax_rate_city[<?php echo $rate->tax_rate_id ?>]" />
						</td>

						<td class="rate" width="8%">
							<input type="number" step="any" min="0" value="<?php echo esc_attr( $rate->tax_rate ) ?>" placeholder="0" name="tax_rate[<?php echo $rate->tax_rate_id ?>]" />
						</td>

						<td class="name" width="8%">
							<input type="text" value="<?php echo esc_attr( $rate->tax_rate_name ) ?>" name="tax_rate_name[<?php echo $rate->tax_rate_id ?>]" />
						</td>

						<td class="priority" width="8%">
							<input type="number" step="1" min="1" value="<?php echo esc_attr( $rate->tax_rate_priority ) ?>" name="tax_rate_priority[<?php echo $rate->tax_rate_id ?>]" />
						</td>

						<td class="compound" width="8%">
	    					<input type="checkbox" class="checkbox" name="tax_rate_compound[<?php echo $rate->tax_rate_id ?>]" <?php checked( $rate->tax_rate_compound, '1' ); ?> />
	    				</td>

	    				<td class="apply_to_shipping" width="8%">
	    					<input type="checkbox" class="checkbox" name="tax_rate_shipping[<?php echo $rate->tax_rate_id ?>]" <?php checked($rate->tax_rate_shipping, '1' ); ?> />
	    				</td>
					</tr>
					<?php
				}
			?>
		</tbody>
	</table>
	<script type="text/javascript">
		jQuery( function() {
			jQuery('.wc_tax_rates tbody').sortable({
				items:'tr',
				cursor:'move',
				axis:'y',
				scrollSensitivity:40,
				forcePlaceholderSize: true,
				helper: 'clone',
				opacity: 0.65,
				placeholder: 'wc-metabox-sortable-placeholder',
				start:function(event,ui){
					ui.item.css('background-color','#f6f6f6');
				},
				stop:function(event,ui){
					ui.item.removeAttr('style');
				}
			});

			jQuery('.wc_tax_rates .remove').click(function() {
				var $tbody = jQuery('.wc_tax_rates').find('tbody');
				if ( $tbody.find('tr.current').size() > 0 ) {
					$current = $tbody.find('tr.current');
					$current.find('input').val('');
					$current.find('input.remove_tax_rate').val('1');

					$current.each(function(){

						if ( jQuery(this).is('.new') )
							jQuery(this).remove();
						else
							jQuery(this).hide();

					});
				} else {
					alert('<?php _e( 'No row(s) selected', 'woocommerce' ); ?>');
				}
				return false;
			});

			var shifted = false;

			jQuery(document).bind('keyup keydown', function(e){shifted = e.shiftKey} );

			jQuery('.wc_tax_rates input').live( 'click focus', function( e ) {
				if ( ! shifted ) {
					jQuery('.wc_tax_rates tr').removeClass('current');
				}

				jQuery(this).closest('tr').addClass('current');
			});

			jQuery('.wc_tax_rates .export').click(function() {

				var csv_data = "data:application/csv;charset=utf-8,<?php _e( 'Country Code', 'woocommerce' ); ?>,<?php _e( 'State Code', 'woocommerce' ); ?>,<?php _e( 'ZIP/Postcode', 'woocommerce' ); ?>,<?php _e( 'City', 'woocommerce' ); ?>,<?php _e( 'Rate %', 'woocommerce' ); ?>,<?php _e( 'Tax Name', 'woocommerce' ); ?>,<?php _e( 'Priority', 'woocommerce' ); ?>,<?php _e( 'Compound', 'woocommerce' ); ?>,<?php _e( 'Shipping', 'woocommerce' ); ?>,<?php _e( 'Tax Class', 'woocommerce' ); ?>\n";

				jQuery('#rates tr:visible').each(function() {
					var row = '';
					jQuery(this).find('td:not(.sort) input').each(function() {

						if ( jQuery(this).is('.checkbox') ) {

							if ( jQuery(this).is(':checked') ) {
								val = 1;
							} else {
								val = 0;
							}

						} else {

							var val = jQuery(this).val();

							if ( ! val )
								val = jQuery(this).attr('placeholder');
						}

						row = row + val + ',';
					});
					row = row + '<?php echo $current_class; ?>';
					//row.substring( 0, row.length - 1 );
					csv_data = csv_data + row + "\n";
				});

				jQuery(this).attr( 'href', encodeURI( csv_data ) );

				return true;
			});

			jQuery('.wc_tax_rates .insert').click(function() {
				var $tbody = jQuery('.wc_tax_rates').find('tbody');
				var size = $tbody.find('tr').size();
				var code = '<tr class="new">\
						<td class="sort">&nbsp;</td>\
						<td class="country" width="8%">\
							<input type="text" placeholder="*" name="tax_rate_country[new][' + size + ']" />\
						</td>\
						<td class="state" width="8%">\
							<input type="text" placeholder="*" name="tax_rate_state[new][' + size + ']" />\
						</td>\
						<td class="postcode">\
							<input type="text" placeholder="*" name="tax_rate_postcode[new][' + size + ']" />\
						</td>\
						<td class="city">\
							<input type="text" placeholder="*" name="tax_rate_city[new][' + size + ']" />\
						</td>\
						<td class="rate" width="8%">\
							<input type="number" step="any" min="0" placeholder="0" name="tax_rate[new][' + size + ']" />\
						</td>\
						<td class="name" width="8%">\
							<input type="text" name="tax_rate_name[new][' + size + ']" />\
						</td>\
						<td class="priority" width="8%">\
							<input type="number" step="1" min="1" value="1" name="tax_rate_priority[new][' + size + ']" />\
						</td>\
						<td class="compound" width="8%">\
	    					<input type="checkbox" class="checkbox" name="tax_rate_compound[new][' + size + ']" />\
	    				</td>\
	    				<td class="apply_to_shipping" width="8%">\
	    					<input type="checkbox" class="checkbox" name="tax_rate_shipping[new][' + size + ']" checked="checked" />\
	    				</td>\
					</tr>';

				if ( $tbody.find('tr.current').size() > 0 ) {
					$tbody.find('tr.current').after( code );
				} else {
					$tbody.append( code );
				}

				jQuery( "td.country input" ).autocomplete({
		            source: availableCountries,
		            minLength: 3
		        });

		        jQuery( "td.state input" ).autocomplete({
		            source: availableStates,
		            minLength: 3
		        });

				return false;
			});

			jQuery('.wc_tax_rates td.postcode, .wc_tax_rates td.city').find('input').change(function() {
				jQuery(this).attr( 'name', jQuery(this).attr( 'data-name' ) );
			});

			var availableCountries = [<?php
				$countries = array();
				foreach ( $woocommerce->countries->get_allowed_countries() as $value => $label )
					$countries[] = '{ label: "' . $label . '", value: "' . $value . '" }';
				echo implode( ', ', $countries );
			?>];

			var availableStates = [<?php
				$countries = array();
				foreach ( $woocommerce->countries->get_allowed_country_states() as $value => $label )
					foreach ( $label as $code => $state )
						$countries[] = '{ label: "' . $state . '", value: "' . $code . '" }';
				echo implode( ', ', $countries );
			?>];

	        jQuery( "td.country input" ).autocomplete({
	            source: availableCountries,
	            minLength: 3
	        });

	        jQuery( "td.state input" ).autocomplete({
	            source: availableStates,
	            minLength: 3
	        });
		});
	</script>
	<?php
}

/**
 * woocommerce_tax_rates_setting_save function.
 *
 * @access public
 * @return void
 */
function woocommerce_tax_rates_setting_save() {
	global $wpdb, $current_section;

	// Get class
	$tax_classes   = array_filter( array_map( 'trim', explode( "\n", get_option('woocommerce_tax_classes' ) ) ) );
	$current_class = '';

	foreach( $tax_classes as $class )
		if ( sanitize_title( $class ) == $current_section )
			$current_class = $class;

	// Get POST data
	$tax_rate_country  = isset( $_POST['tax_rate_country'] ) ? $_POST['tax_rate_country'] : array();
	$tax_rate_state    = isset( $_POST['tax_rate_state'] ) ? $_POST['tax_rate_state'] : array();
	$tax_rate_postcode = isset( $_POST['tax_rate_postcode'] ) ? $_POST['tax_rate_postcode'] : array();
	$tax_rate_city     = isset( $_POST['tax_rate_city'] ) ? $_POST['tax_rate_city'] : array();
	$tax_rate          = isset( $_POST['tax_rate'] ) ? $_POST['tax_rate'] : array();
	$tax_rate_name     = isset( $_POST['tax_rate_name'] ) ? $_POST['tax_rate_name'] : array();
	$tax_rate_priority = isset( $_POST['tax_rate_priority'] ) ? $_POST['tax_rate_priority'] : array();
	$tax_rate_compound = isset( $_POST['tax_rate_compound'] ) ? $_POST['tax_rate_compound'] : array();
	$tax_rate_shipping = isset( $_POST['tax_rate_shipping'] ) ? $_POST['tax_rate_shipping'] : array();

	$i = 0;

	// Loop posted fields
	foreach ( $tax_rate_country as $key => $value ) {

		// new keys are inserted...
		if ( $key == 'new' ) {

			foreach ( $value as $new_key => $new_value ) {

				// Sanitize + format
				$country  = strtoupper( woocommerce_clean( $tax_rate_country[ $key ][ $new_key ] ) );
				$state    = strtoupper( woocommerce_clean( $tax_rate_state[ $key ][ $new_key ] ) );
				$postcode = woocommerce_clean( $tax_rate_postcode[ $key ][ $new_key ] );
				$city     = woocommerce_clean( $tax_rate_city[ $key ][ $new_key ] );
				$rate     = number_format( woocommerce_clean( $tax_rate[ $key ][ $new_key ] ), 4, '.', '' );
				$name     = woocommerce_clean( $tax_rate_name[ $key ][ $new_key ] );
				$priority = absint( woocommerce_clean( $tax_rate_priority[ $key ][ $new_key ] ) );
				$compound = isset( $tax_rate_compound[ $key ][ $new_key ] ) ? 1 : 0;
				$shipping = isset( $tax_rate_shipping[ $key ][ $new_key ] ) ? 1 : 0;

				if ( ! $name )
					$name = __( 'Tax', 'woocommerce' );

				if ( $country == '*' )
					$country = '';

				if ( $state == '*' )
					$state = '';

				$wpdb->insert(
					$wpdb->prefix . "woocommerce_tax_rates",
					array(
						'tax_rate_country'  => $country,
						'tax_rate_state'    => $state,
						'tax_rate'          => $rate,
						'tax_rate_name'     => $name,
						'tax_rate_priority' => $priority,
						'tax_rate_compound' => $compound,
						'tax_rate_shipping' => $shipping,
						'tax_rate_order'    => $i,
						'tax_rate_class'    => $current_class
					)
				);

				$tax_rate_id = $wpdb->insert_id;

				if ( ! empty( $postcode ) ) {
					$postcodes = explode( ';', $postcode );
					$postcodes = array_map( 'strtoupper', array_map( 'woocommerce_clean', $postcodes ) );
					foreach( $postcodes as $postcode ) {
						$wpdb->insert(
						$wpdb->prefix . "woocommerce_tax_rate_locations",
							array(
								'location_code' => $postcode,
								'tax_rate_id'   => $tax_rate_id,
								'location_type' => 'postcode',
							)
						);
					}
				}

				if ( ! empty( $city ) ) {
					$cities = explode( ';', $city );
					$cities = array_map( 'strtoupper', array_map( 'woocommerce_clean', $cities ) );
					foreach( $cities as $city ) {
						$wpdb->insert(
						$wpdb->prefix . "woocommerce_tax_rate_locations",
							array(
								'location_code' => $city,
								'tax_rate_id'   => $tax_rate_id,
								'location_type' => 'city',
							)
						);
					}
				}

				$i++;
			}

		// ...whereas the others are updated
		} else {

			$tax_rate_id = absint( $key );

			if ( $_POST['remove_tax_rate'][ $key ] == 1 ) {
				$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->prefix}woocommerce_tax_rate_locations WHERE tax_rate_id = %d;", $tax_rate_id ) );
				$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->prefix}woocommerce_tax_rates WHERE tax_rate_id = %d;", $tax_rate_id ) );
				continue;
			}

			// Sanitize + format
			$country  = strtoupper( woocommerce_clean( $tax_rate_country[ $key ] ) );
			$state    = strtoupper( woocommerce_clean( $tax_rate_state[ $key ] ) );
			$rate     = number_format( woocommerce_clean( $tax_rate[ $key ] ), 4, '.', '' );
			$name     = woocommerce_clean( $tax_rate_name[ $key ] );
			$priority = absint( woocommerce_clean( $tax_rate_priority[ $key ] ) );
			$compound = isset( $tax_rate_compound[ $key ] ) ? 1 : 0;
			$shipping = isset( $tax_rate_shipping[ $key ] ) ? 1 : 0;

			if ( ! $name )
				$name = __( 'Tax', 'woocommerce' );

			if ( $country == '*' )
				$country = '';

			if ( $state == '*' )
				$state = '';

			$wpdb->update(
				$wpdb->prefix . "woocommerce_tax_rates",
				array(
					'tax_rate_country'  => $country,
					'tax_rate_state'    => $state,
					'tax_rate'          => $rate,
					'tax_rate_name'     => $name,
					'tax_rate_priority' => $priority,
					'tax_rate_compound' => $compound,
					'tax_rate_shipping' => $shipping,
					'tax_rate_order'    => $i,
					'tax_rate_class'    => $current_class
				),
				array(
					'tax_rate_id' 		=> $tax_rate_id
				)
			);

			if ( isset( $tax_rate_postcode[ $key ] ) ) {
				// Delete old
				$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->prefix}woocommerce_tax_rate_locations WHERE tax_rate_id = %d AND location_type = 'postcode';", $tax_rate_id ) );

				// Add changed
				$postcode  = woocommerce_clean( $tax_rate_postcode[ $key ] );
				$postcodes = explode( ';', $postcode );
				$postcodes = array_map( 'strtoupper', array_map( 'woocommerce_clean', $postcodes ) );

				$postcode_query = array();

				foreach( $postcodes as $postcode )
					if ( strstr( $postcode, '-' ) ) {
						$postcode_parts = explode( '-', $postcode );

						if ( is_numeric( $postcode_parts[0] ) && is_numeric( $postcode_parts[1] ) && $postcode_parts[1] > $postcode_parts[0] ) {
							for ( $i = $postcode_parts[0]; $i <= $postcode_parts[1]; $i ++ ) {
								$postcode_query[] = "( '$i', $tax_rate_id, 'postcode' )";
							}
						}
					} else {
						$postcode_query[] = "( '$postcode', $tax_rate_id, 'postcode' )";
					}

				$wpdb->query( "INSERT INTO {$wpdb->prefix}woocommerce_tax_rate_locations ( location_code, tax_rate_id, location_type ) VALUES " . implode( ',', $postcode_query ) );

			}

			if ( isset( $tax_rate_city[ $key ] ) ) {
				// Delete old
				$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->prefix}woocommerce_tax_rate_locations WHERE tax_rate_id = %d AND location_type = 'city';", $tax_rate_id ) );

				// Add changed
				$city   = woocommerce_clean( $tax_rate_city[ $key ] );
				$cities = explode( ';', $city );
				$cities = array_map( 'strtoupper', array_map( 'woocommerce_clean', $cities ) );
				foreach( $cities as $city ) {
					$wpdb->insert(
					$wpdb->prefix . "woocommerce_tax_rate_locations",
						array(
							'location_code' => $city,
							'tax_rate_id'   => $tax_rate_id,
							'location_type' => 'city',
						)
					);
				}
			}

			$i++;
		}
	}
}