Tax Collected at Source support for Indian businesses

wcfm-tcs-calculation-on-commission.php

<?php
add_action( 'wcfmmp_order_item_processed', function($commission_id, $order_id, $order, $vendor_id, $product_id, $order_item_id, $grosse_total, $total_commission, $is_auto_withdrawal, $commission_rule) {
    global $WCFMmp, $wpdb;
		
    $order = wc_get_order( $order_id ); 
    if( !is_a( $order, 'WC_Order' ) ) return;
    
    $order_item_tcs_processed = wc_get_order_item_meta( $order_item_id, '_wcfm_tcs_processed', true );
    if( $order_item_tcs_processed ) return;
    
    $line_item = new WC_Order_Item_Product( $order_item_id );
    $product  = $line_item->get_product();
    $product_id = $line_item->get_product_id();
    $variation_id = $line_item->get_variation_id();
    
    $tcs_tax =  $line_item->get_subtotal() * .01;
    $total_commission = $total_commission - $tcs_tax;
    
    $wpdb->update("{$wpdb->prefix}wcfm_marketplace_orders", array( 'total_commission' => round( $total_commission, 2 ) ), array('ID' => $commission_id), array('%s'), array('%d'));
    wc_update_order_item_meta( $order_item_id, '_wcfm_tcs_processed', 1 );
    $WCFMmp->wcfmmp_commission->wcfmmp_update_commission_meta( $commission_id, 'tcs_tax', $tcs_tax );
}, 10, 10);

add_action( 'wcfm_manual_order_reset', function( $order_id, $commission_order = true ) {
    global $wpdb;
    if( $commission_order ) {
        $marketplace_orders = $wpdb->get_results(  $wpdb->prepare( "SELECT ID, item_id from {$wpdb->prefix}wcfm_marketplace_orders WHERE order_id = %d", $order_id ) );
        foreach( $marketplace_orders as $marketplace_order ) {
            wc_delete_order_item_meta( $marketplace_order->item_id, '_wcfm_tcs_processed' );
        }
    }
}, 29, 2 );
add_action( 'wcfm_manual_order_processed', function( $order_id, $order_posted, $order = '' ) {
    global $wpdb;

    if ( ! $order_id ) return;

    if ( get_post_meta( $order_id, '_wcfmmp_order_processed', true ) ) return;

    if ( ! $order ) $order = wc_get_order( $order_id );

    if ( ! is_a( $order, 'WC_Order' ) ) return;
    
    $marketplace_orders = $wpdb->get_results(  $wpdb->prepare( "SELECT ID, item_id from {$wpdb->prefix}wcfm_marketplace_orders WHERE order_id = %d", $order_id ) );
    foreach( $marketplace_orders as $marketplace_order ) {
        wc_delete_order_item_meta( $marketplace_order->item_id, '_wcfm_tcs_processed' );
    }
}, 29, 3 );

add_action('wcfm_vendor_order_details_before_total_earning', function( $order_id, $vendor_id='') {
    global $wpdb, $WCFMmp;

    if ( ! $order_id || ! $vendor_id || ! wcfm_is_vendor($vendor_id) ) return;
    
    $order = wc_get_order( $order_id );
    if ( ! is_a( $order, 'WC_Order' ) ) return;
    
    $order_currency = $order->get_currency();
    
    $sql = "
  	SELECT GROUP_CONCAT(ID) as commission_ids,
  	   GROUP_CONCAT(item_id) as order_item_ids,
  	   SUM(commission_amount) as line_total,
  	   SUM(total_commission) as total_commission,
  	   SUM(item_total) as item_total,
  	   SUM(item_sub_total) as item_sub_total,
	     SUM(shipping) as shipping,
       SUM(tax) as tax,
       SUM(	shipping_tax_amount) as shipping_tax_amount,
       SUM(	refunded_amount) as refunded_amount,
       SUM(	discount_amount) as discount_amount
       FROM {$wpdb->prefix}wcfm_marketplace_orders
       WHERE order_id = " . $order_id . "
       AND `vendor_id` = " . $vendor_id . "
       AND `is_refunded` != 1";
    $order_due = $wpdb->get_results( $sql );
    if( !$order_due || !isset( $order_due[0] ) ) return;
    
    $tcs_tax = 0;
    $commission_ids = explode( ",", $order_due[0]->commission_ids );
    foreach( $commission_ids as $commission_id ) {
    	if( method_exists( $WCFMmp->wcfmmp_commission, 'wcfmmp_get_commission_meta' ) ) {
				$tcs_tax += (float) $WCFMmp->wcfmmp_commission->wcfmmp_get_commission_meta( $commission_id, 'tcs_tax' );
			}
    }
    
    if(apply_filters('wcfm_always_show_tcs_amount', $tcs_tax, $order_id, $vendor_id)) {
        ?>
    <tr>
        <th class="label" colspan="2" style="text-align:right;">Tax Collected at Source (1%):</th>
        <td class="total" style="text-align:center;">
            <div class="view">
                <?php 
                echo '-' .wc_price( $tcs_tax, array( 'currency' => $order_currency ) ); 
                ?>
            </div>
        </td>
    </tr>
        <?php
    }
}, 10, 2);

When a variant item is purchased, first I added a black varient, then added a yellow varient of same item. Then the TCS being calculated is wrong when checked out. Is it working correct for all of you ?