Fix filter priorities to ensure custom fields load before data manipulation

functions.php

/**
 * Fix filter priorities to ensure custom fields load before data manipulation
 */
add_action( 'plugins_loaded', function() {
    // Only run if Product Feed Elite classes exist
    if ( ! class_exists( '\AdTribes\PFE\Classes\Extra_Attributes' ) || 
         ! class_exists( '\AdTribes\PFE\Classes\Product_Data_Manipulation' ) ) {
        return;
    }

    // Remove existing filters
    remove_filter( 'adt_get_product_data', array( 
        \AdTribes\PFE\Classes\Extra_Attributes::instance(), 
        'add_extra_attributes_to_product_data' 
    ), 10 );
    
    remove_filter( 'adt_get_product_data', array( 
        \AdTribes\PFE\Classes\Product_Data_Manipulation::instance(), 
        'process_product_data_manipulation' 
    ), 10 );

    // Re-add with correct priorities
    // Custom fields load first (priority 5)
    add_filter( 'adt_get_product_data', array( 
        \AdTribes\PFE\Classes\Extra_Attributes::instance(), 
        'add_extra_attributes_to_product_data' 
    ), 5, 3 );
    
    // Data manipulation runs after custom fields (priority 15)
    add_filter( 'adt_get_product_data', array( 
        \AdTribes\PFE\Classes\Product_Data_Manipulation::instance(), 
        'process_product_data_manipulation' 
    ), 15, 3 );
}, 20 );

/**
 * Enhance data manipulation to fetch custom field values from product meta
 * This ensures custom fields are available even if filter order is wrong
 */
add_filter( 'adt_get_product_data', function( $product_data, $feed, $product ) {
    // Only process if data manipulation is enabled
    $product_data_manipulation_setting = get_option( 'adt_enable_data_manipulation_support' );
    if ( 'yes' !== $product_data_manipulation_setting ) {
        return $product_data;
    }

    // Check if feed has field manipulation rules
    if ( ! is_object( $feed ) || ! method_exists( $feed, 'field_manipulation' ) ) {
        return $product_data;
    }

    $field_manipulation = $feed->field_manipulation;
    if ( empty( $field_manipulation ) || empty( $product_data ) || ! is_object( $product ) ) {
        return $product_data;
    }

    // Collect all custom field attributes that might be needed
    $needed_custom_fields = array();
    foreach ( $field_manipulation as $manipulation ) {
        if ( ! isset( $manipulation['becomes'] ) || ! is_array( $manipulation['becomes'] ) ) {
            continue;
        }

        foreach ( $manipulation['becomes'] as $become ) {
            $attribute = $become['attribute'] ?? '';
            if ( empty( $attribute ) ) {
                continue;
            }

            // Check if this is a custom field attribute that's missing from product_data
            if ( strpos( $attribute, 'custom_attributes_' ) === 0 ) {
                if ( ! isset( $product_data[ $attribute ] ) || empty( $product_data[ $attribute ] ) ) {
                    $needed_custom_fields[] = $attribute;
                }
            }
        }
    }

    // Fetch missing custom fields from product meta
    if ( ! empty( $needed_custom_fields ) ) {
        $extra_attributes = get_option( 'adt_extra_attributes', array() );
        
        foreach ( $needed_custom_fields as $field_key ) {
            // Skip if already in product_data
            if ( isset( $product_data[ $field_key ] ) && ! empty( $product_data[ $field_key ] ) ) {
                continue;
            }

            $meta_key = str_replace( 'custom_attributes_', '', $field_key );

            // Check if this field is enabled in extra attributes
            if ( ! isset( $extra_attributes[ $field_key ] ) ) {
                continue;
            }

            // Get value from product meta
            if ( $product->is_type( 'variation' ) ) {
                // For variations, check variation first, then parent
                $meta_exists = $product->meta_exists( $meta_key );
                if ( $meta_exists ) {
                    $meta_value = $product->get_meta( $meta_key, true );
                } else {
                    $parent_product = wc_get_product( $product->get_parent_id() );
                    if ( $parent_product ) {
                        $meta_value = $parent_product->get_meta( $meta_key, true );
                    } else {
                        $meta_value = '';
                    }
                }
            } else {
                $meta_value = $product->get_meta( $meta_key, true );
            }

            // Add to product_data if value exists
            if ( ! empty( $meta_value ) ) {
                $product_data[ $field_key ] = apply_filters( 
                    'adt_product_data_extra_attribute_value', 
                    $meta_value, 
                    $field_key, 
                    $meta_key, 
                    $product 
                );
            }
        }
    }

    return $product_data;
}, 8, 3 ); // Priority 8 ensures it runs before data manipulation (priority 15)