commerce_rules_extra_compare_line_item_count.inc in Commerce Rules Extra 7.2

Rules condition Compare Total Product Quantity.

File

includes/conditions/commerce_rules_extra_compare_line_item_count.inc

<?php

/**
 * @file
 * Rules condition Compare Total Product Quantity.
 */

/**
 * Helper function to return the condition info to the main module.
 */
function commerce_rules_extra_compare_line_item_count_condition_info() {
  $info = [
    'group' => t('Commerce Order'),
    'label' => t('Total quantity of product line items in the cart'),
    'parameter' => [
      'order' => [
        'type' => 'commerce_order',
        'label' => t('Order'),
        'description' => t('The order whose product line items you want counted. If the specified order does not exist, the comparison will act as if it is against a quantity of 0.'),
      ],
      'operator' => [
        'type' => 'text',
        'label' => t('Operator'),
        'description' => t('The comparison operator to use against the total line item count.'),
        'default value' => '>=',
        'options list' => 'commerce_numeric_comparison_operator_options_list',
        'restriction' => 'input',
      ],
      'value' => [
        'type' => 'integer',
        'label' => t('Quantity'),
        'default value' => 1,
        'description' => t('The value to compare against the total line item count in the order.'),
      ],
    ],
    'callbacks' => [
      'execute' => 'commerce_rules_extra_compare_line_item_count',
    ],
  ];
  return $info;
}

/**
 * Callback function for Commerce Rules Extra Compare Total Products.
 */
function commerce_rules_extra_compare_line_item_count($order, $operator, $value) {
  $quantity = 0;

  // Don't do anything without a valid order.
  if (!empty($order)) {
    $order_wrapper = entity_metadata_wrapper('commerce_order', $order);
    $line_items = $order_wrapper->commerce_line_items
      ->value();

    // We only want to count line items that are of the type "product".
    if (!empty($line_items)) {

      // Holds line items that have products with $term_id
      $termed_line_items = [];
      foreach ($line_items as $line_item) {
        if ($line_item->type == 'product') {
          $quantity++;
        }
      }
    }

    // Make a quantity comparison based on the operator.
    switch ($operator) {
      case '<':
        return $quantity < $value;
        break;
      case '<=':
        return $quantity <= $value;
        break;
      case '=':
        return $quantity == $value;
        break;
      case '>=':
        return $quantity >= $value;
        break;
      case '>':
        return $quantity > $value;
        break;
    }
    return FALSE;
  }
}

Functions

Name	Description
commerce_rules_extra_compare_line_item_count	Callback function for Commerce Rules Extra Compare Total Products.
commerce_rules_extra_compare_line_item_count_condition_info	Helper function to return the condition info to the main module.