functions_lookups.php

Easy_Buy是一个在线销售系统

                       where categories_id = '" . $category_id . "'
                       and language_id = '" . $fn_language_id . "'";

    $category = $db->Execute($category_query);

    return $category->fields['categories_description'];
  }

/*
 * Return a product's category
 * TABLES: products_to_categories
 */
  function zen_get_products_category_id($products_id) {
    global $db;

    $the_products_category_query = "select products_id, categories_id from " . TABLE_PRODUCTS_TO_CATEGORIES . " where products_id = '" . (int)$products_id . "'" . " order by products_id,categories_id";
    $the_products_category = $db->Execute($the_products_category_query);

    return $the_products_category->fields['categories_id'];
  }

/*
 * Return category's image
 * TABLES: categories
 */
  function zen_get_categories_image($what_am_i) {
    global $db;

    $the_categories_image_query= "select categories_image from " . TABLE_CATEGORIES . " where categories_id= '" . $what_am_i . "'";
    $the_products_category = $db->Execute($the_categories_image_query);

    return $the_products_category->fields['categories_image'];
  }

/*
 *  Return category's name from ID, assuming current language
 *  TABLES: categories_description
 */
  function zen_get_categories_name($who_am_i) {
    global $db;
    $the_categories_name_query= "select categories_name from " . TABLE_CATEGORIES_DESCRIPTION . " where categories_id= '" . $who_am_i . "' and language_id= '" . $_SESSION['languages_id'] . "'";

    $the_categories_name = $db->Execute($the_categories_name_query);

    return $the_categories_name->fields['categories_name'];
  }

/*
 * Return a product's manufacturer's name, from ID
 * TABLES: products, manufacturers
 */
  function zen_get_products_manufacturers_name($product_id) {
    global $db;

    $product_query = "select m.manufacturers_name
                      from " . TABLE_PRODUCTS . " p, " .
                            TABLE_MANUFACTURERS . " m
                      where p.products_id = '" . (int)$product_id . "'
                      and p.manufacturers_id = m.manufacturers_id";

    $product =$db->Execute($product_query);

    return ($product->RecordCount() > 0) ? $product->fields['manufacturers_name'] : "";
  }

/*
 * Return a product's manufacturer's image, from Prod ID
 * TABLES: products, manufacturers
 */
  function zen_get_products_manufacturers_image($product_id) {
    global $db;

    $product_query = "select m.manufacturers_image
                      from " . TABLE_PRODUCTS . " p, " .
                            TABLE_MANUFACTURERS . " m
                      where p.products_id = '" . (int)$product_id . "'
                      and p.manufacturers_id = m.manufacturers_id";

    $product =$db->Execute($product_query);

    return $product->fields['manufacturers_image'];
  }


/*
 * Return attributes products_options_sort_order
 * TABLE: PRODUCTS_ATTRIBUTES
 */
  function zen_get_attributes_sort_order($products_id, $options_id, $options_values_id) {
    global $db;
      $check = $db->Execute("select products_options_sort_order
                             from " . TABLE_PRODUCTS_ATTRIBUTES . "
                             where products_id = '" . $products_id . "'
                             and options_id = '" . $options_id . "'
                             and options_values_id = '" . $options_values_id . "' limit 1");

      return $check->fields['products_options_sort_order'];
  }

/*
 *  return attributes products_options_sort_order
 *  TABLES: PRODUCTS_OPTIONS, PRODUCTS_ATTRIBUTES
 */
  function zen_get_attributes_options_sort_order($products_id, $options_id, $options_values_id) {
    global $db;
      $check = $db->Execute("select products_options_sort_order
                             from " . TABLE_PRODUCTS_OPTIONS . "
                             where products_options_id = '" . $options_id . "' limit 1");

      $check_options_id = $db->Execute("select products_id, options_id, options_values_id, products_options_sort_order
                             from " . TABLE_PRODUCTS_ATTRIBUTES . "
                             where products_id='" . $products_id . "'
                             and options_id='" . $options_id . "'
                             and options_values_id = '" . $options_values_id . "' limit 1");


      return $check->fields['products_options_sort_order'] . '.' . str_pad($check_options_id->fields['products_options_sort_order'],5,'0',STR_PAD_LEFT);
  }

/*
 *  check if attribute is display only
 */
  function zen_get_attributes_valid($product_id, $option, $value) {
    global $db;

// regular attribute validation
    $check_attributes = $db->Execute("select attributes_display_only, attributes_required from " . TABLE_PRODUCTS_ATTRIBUTES . " where products_id='" . $product_id . "' and options_id='" . $option . "' and options_values_id='" . $value . "'");

    $check_valid = true;

// display only cannot be selected
    if ($check_attributes->fields['attributes_display_only'] == '1') {
      $check_valid = false;
    }

// text required validation
    if (ereg('^txt_', $option)) {
      $check_attributes = $db->Execute("select attributes_display_only, attributes_required from " . TABLE_PRODUCTS_ATTRIBUTES . " where products_id='" . $product_id . "' and options_id='" . ereg_replace('txt_', '', $option) . "' and options_values_id='0'");
// text cannot be blank
      if ($check_attributes->fields['attributes_required'] == '1' and empty($value)) {
        $check_valid = false;
      }
    }

    return $check_valid;
  }

/*
 * Return Options_Name from ID
 */

  function zen_options_name($options_id) {
    global $db;

    $options_id = str_replace('txt_','',$options_id);

    $options_values = $db->Execute("select products_options_name
                                    from " . TABLE_PRODUCTS_OPTIONS . "
                                    where products_options_id = '" . (int)$options_id . "'
                                    and language_id = '" . (int)$_SESSION['languages_id'] . "'");

    return $options_values->fields['products_options_name'];
  }

/*
 * Return Options_values_name from value-ID
 */
  function zen_values_name($values_id) {
    global $db;

    $values_values = $db->Execute("select products_options_values_name
                                   from " . TABLE_PRODUCTS_OPTIONS_VALUES . "
                                   where products_options_values_id = '" . (int)$values_id . "'
                                   and language_id = '" . (int)$_SESSION['languages_id'] . "'");

    return $values_values->fields['products_options_values_name'];
  }

/*
 *  configuration key value lookup
 *  TABLE: configuration
 */
  function zen_get_configuration_key_value($lookup) {
    global $db;
    $configuration_query= $db->Execute("select configuration_value from " . TABLE_CONFIGURATION . " where configuration_key='" . $lookup . "'");
    $lookup_value= $configuration_query->fields['configuration_value'];
    if ( !($lookup_value) ) {
      $lookup_value='<span class="lookupAttention">' . $lookup . '</span>';
    }
    return $lookup_value;
  }

/*
 *  Return products description, based on specified language (or current lang if not specified)
 */
  function zen_get_products_description($product_id, $language = '') {
    global $db;

    if (empty($language)) $language = $_SESSION['languages_id'];

    $product_query = "select products_description
                      from " . TABLE_PRODUCTS_DESCRIPTION . "
                      where products_id = '" . (int)$product_id . "'
                      and language_id = '" . (int)$language . "'";

    $product = $db->Execute($product_query);

    return $product->fields['products_description'];
  }

/*
 * look up the product type from product_id and return an info page name (for template/page handling)
 */
  function zen_get_info_page($zf_product_id) {
    global $db;
    $sql = "select products_type from " . TABLE_PRODUCTS . " where products_id = '" . $zf_product_id . "'";
    $zp_type = $db->Execute($sql);
    if ($zp_type->RecordCount() == 0) {
      return 'product_info';
    } else {
      $zp_product_type = $zp_type->fields['products_type'];
      $sql = "select type_handler from " . TABLE_PRODUCT_TYPES . " where type_id = '" . $zp_product_type . "'";
      $zp_handler = $db->Execute($sql);
      return $zp_handler->fields['type_handler'] . '_info';
    }
  }

/*
 * Get accepted credit cards
 * There needs to be a define on the accepted credit card in the language file credit_cards.php example: TEXT_CC_ENABLED_VISA
 */
  function zen_get_cc_enabled($text_image = 'TEXT_', $cc_seperate = ' ', $cc_make_columns = 0) {
    global $db;
    $cc_check_accepted_query = $db->Execute(SQL_CC_ENABLED);
    $cc_check_accepted = '';
    $cc_counter = 0;
    if ($cc_make_columns == 0) {
      while (!$cc_check_accepted_query->EOF) {
        $check_it = $text_image . $cc_check_accepted_query->fields['configuration_key'];
        if (defined($check_it)) {
          $cc_check_accepted .= constant($check_it) . $cc_seperate;
        }
        $cc_check_accepted_query->MoveNext();
      }
    } else {
      // build a table
      $cc_check_accepted = '<table class="ccenabled">' . "\n";
      $cc_check_accepted .= '<tr class="ccenabled">' . "\n";
      while (!$cc_check_accepted_query->EOF) {
        $check_it = $text_image . $cc_check_accepted_query->fields['configuration_key'];
        if (defined($check_it)) {
          $cc_check_accepted .= '<td class="ccenabled">' . constant($check_it) . '</td>' . "\n";
        }
        $cc_check_accepted_query->MoveNext();
        $cc_counter++;
        if ($cc_counter >= $cc_make_columns) {
          $cc_check_accepted .= '</tr>' . "\n" . '<tr class="ccenabled">' . "\n";
          $cc_counter = 0;
        }
      }
      $cc_check_accepted .= '</tr>' . "\n" . '</table>' . "\n";
    }
    return $cc_check_accepted;
  }

/*
 * Return Category Name from product ID
 * TABLES: categories_name
 */
  function zen_get_categories_name_from_product($product_id) {
    global $db;

    $check_products_category= $db->Execute("select products_id, categories_id from " . TABLE_PRODUCTS_TO_CATEGORIES . " where products_id='" . $product_id . "' limit 1");
    $the_categories_name= $db->Execute("select categories_name from " . TABLE_CATEGORIES_DESCRIPTION . " where categories_id= '" . $check_products_category->fields['categories_id'] . "' and language_id= '" . $_SESSION['languages_id'] . "'");

    return $the_categories_name->fields['categories_name'];
  }

/*
 * configuration key value lookup in TABLE_PRODUCT_TYPE_LAYOUT
 * Used to determine keys/flags used on a per-product-type basis for template-use, etc
 */
  function zen_get_configuration_key_value_layout($lookup, $type=1) {