product_price_alterer_field.module in Ubercart Discounts (Alternative) 7.2

Provides discounts based on ubercart products based on product quantity purchased using attached product field.

File

product_price_alterer_field/product_price_alterer_field.module

<?php

/**
 * @file
 * Provides discounts based on ubercart products based on product quantity
 * purchased using attached product field.
 */

/**
 * Implementation of hook_field_info().
 */
function product_price_alterer_field_field_info() {
  return array(
    "discounted_price" => array(
      "label" => t("Discounted Price"),
      "description" => t("Alters price for products where uc_discounts_alt discounts apply when added with a quantity of one or less"),
    ),
  );
}

/**
 * Implementation of hook_content_is_empty().
 */
function product_price_alterer_field_content_is_empty($item, $field) {
  return FALSE;
}

/**
 * Implementation of hook_widget_info().
 */
function product_price_alterer_field_widget_info() {
  return array(
    "discounted_price" => array(
      "label" => "Default Display",
      "field types" => array(
        "discounted_price",
      ),
      "multiple values" => CONTENT_HANDLE_CORE,
      "callbacks" => array(
        "default value" => CONTENT_CALLBACK_DEFAULT,
      ),
    ),
  );
}

/**
 * Implementation of hook_widget().
 */
function product_price_alterer_field_widget(&$form, &$form_state, $field, $items, $delta = 0) {
  $element = array(
    "#type" => $field["widget"]["type"],
    "#default_value" => isset($items[$delta]) ? $items[$delta] : NULL,
  );
  return $element;
}

/**
 * Implementation of hook_field_formatter_info().
 */
function product_price_alterer_field_field_formatter_info() {
  return array(
    "default" => array(
      "label" => "Discounted Price",
      "field types" => array(
        "discounted_price",
      ),
    ),
  );
}

/**
 * Theme function for 'default' text field formatter.
 */
function theme_product_price_alterer_field_formatter_default($element) {
  return $element["#item"]["discounted_price"];
}

/**
 * Implementation of hook_field()
 */
function product_price_alterer_field_field($op, &$node, $field, &$items, $teaser, $page) {
  switch ($op) {
    case "sanitize":
    case "view":

      //If items is empty, generate value by getting discounts that apply to this product
      if (empty($items)) {
        $discounted_price = uc_discounts_get_discounted_price_for_product($node);
        if (!is_null($discounted_price)) {

          //Add field for discounted price
          $item = array();
          $item["discounted_price"] = theme("product_discounted_price", $node, uc_currency_format($discounted_price));
          $items[] = $item;
          add_product_price_altering_css($node);
          add_product_price_altering_javascript($node);
        }
      }
      break;
  }
}

/**
 * Implementation of hook_theme().
 */
function product_price_alterer_field_theme() {
  return array(
    "product_price_alterer_field_formatter_default" => array(
      "arguments" => array(
        "element" => NULL,
      ),
    ),
    "product_discounted_price" => array(
      "arguments" => array(
        "product",
        "discounted_price",
      ),
    ),
  );
}

/**
 * Theme function for producing product discounted price html.
 * Returns discounted price for product (based on passed discounts).
 */
function theme_product_discounted_price($product, $discounted_price_string) {
  return $discounted_price_string;
}

/**
 * Function for writing css to product page.
 */
function add_product_price_altering_css() {
  static $product_price_alterer_field_css_added;
  if (empty($product_price_alterer_field_css_added)) {
    $product_price_alterer_field_css_added = TRUE;
    drupal_add_css(drupal_get_path('module', 'product_price_alterer_field') . '/product_price_alterer_field.css');
  }
}

/**
 * Function for writing javascript to product page.
 */
function add_product_price_altering_javascript() {
  static $product_price_alterer_field_javascript_added;
  if (empty($product_price_alterer_field_javascript_added)) {
    $product_price_alterer_field_javascript_added = TRUE;

    //Alter price using javascript
    drupal_add_js("\n    \$(document).ready(function() {\n      \$('.views-field-discounted-price').each(function() {\n        var self = \$(this);\n        var content = self.find('.field-content:first');\n        if ((content.size() > 0) && (\$.trim(content.html()).length == 0)) {\n          return true;\n        }\n        else if (\$.trim(self.html()).length == 0) {\n          return true;\n        }\n\n        self.parent().find('.views-field-sell-price:not(th)').addClass('original-sell-price');\n      });\n      \$('.uc-price-sell:not(.original-sell-price), .sell-price:not(.original-sell-price)').each(function() {\n        var self = \$(this);\n        if (self.parents('.node').find('.field-type-discounted-price').length > 0) {\n          self.addClass('original-sell-price');\n        }\n      });\n    });", 'inline');
  }
}

/**
 * Implementation hook_views_api
 */
function product_price_alterer_field_views_api() {
  return array(
    'api' => 2,
  );
}

Functions

Name	Description
add_product_price_altering_css	Function for writing css to product page.
add_product_price_altering_javascript	Function for writing javascript to product page.
product_price_alterer_field_content_is_empty	Implementation of hook_content_is_empty().
product_price_alterer_field_field	Implementation of hook_field()
product_price_alterer_field_field_formatter_info	Implementation of hook_field_formatter_info().
product_price_alterer_field_field_info	Implementation of hook_field_info().
product_price_alterer_field_theme	Implementation of hook_theme().
product_price_alterer_field_views_api	Implementation hook_views_api
product_price_alterer_field_widget	Implementation of hook_widget().
product_price_alterer_field_widget_info	Implementation of hook_widget_info().
theme_product_discounted_price	Theme function for producing product discounted price html. Returns discounted price for product (based on passed discounts).
theme_product_price_alterer_field_formatter_default	Theme function for 'default' text field formatter.