functions_categories.php

来自「Zen Cart是真正的电子商务艺术」· PHP 代码 · 共 608 行 · 第 1/2 页

    }

    $select_string .= '>';

    $products = $db->Execute("select p.products_id, pd.products_name, p.products_price
                              from " . TABLE_PRODUCTS . " p, " . TABLE_PRODUCTS_DESCRIPTION . " pd
                              where p.products_id = pd.products_id
                              and pd.language_id = '" . (int)$_SESSION['languages_id'] . "'
                              order by products_name");

    while (!$products->EOF) {
      if (!in_array($products->fields['products_id'], $exclude)) {
        $display_price = zen_get_products_base_price($products->fields['products_id']);
        $select_string .= '<option value="' . $products->fields['products_id'] . '">' . $products->fields['products_name'] . ' (' . $currencies->format($display_price) . ')</option>';
      }
      $products->MoveNext();
    }

    $select_string .= '</select>';

    return $select_string;
  }

////
// product pulldown with attributes
  function zen_draw_products_pull_down_attributes($name, $parameters = '', $exclude = '') {
    global $db, $currencies;

    if ($exclude == '') {
      $exclude = array();
    }

    $select_string = '<select name="' . $name . '"';

    if ($parameters) {
      $select_string .= ' ' . $parameters;
    }

    $select_string .= '>';

    $new_fields=', p.products_model';

    $products = $db->Execute("select distinct p.products_id, pd.products_name, p.products_price" . $new_fields ."
                              from " . TABLE_PRODUCTS . " p, " .
                                       TABLE_PRODUCTS_DESCRIPTION . " pd, " .
                                       TABLE_PRODUCTS_ATTRIBUTES . " pa " ."
                              where p.products_id= pa.products_id and p.products_id = pd.products_id
                              and pd.language_id = '" . (int)$_SESSION['languages_id'] . "'
                              order by products_name");

    while (!$products->EOF) {
      if (!in_array($products->fields['products_id'], $exclude)) {
        $display_price = zen_get_products_base_price($products->fields['products_id']);
        $select_string .= '<option value="' . $products->fields['products_id'] . '">' . $products->fields['products_name'] . ' (' . TEXT_MODEL . ' ' . $products->fields['products_model'] . ') (' . $currencies->format($display_price) . ')</option>';
      }
      $products->MoveNext();
    }

    $select_string .= '</select>';

    return $select_string;
  }


////
// categories pulldown with products
  function zen_draw_products_pull_down_categories($name, $parameters = '', $exclude = '') {
    global $db, $currencies;

    if ($exclude == '') {
      $exclude = array();
    }

    $select_string = '<select name="' . $name . '"';

    if ($parameters) {
      $select_string .= ' ' . $parameters;
    }

    $select_string .= '>';

    $categories = $db->Execute("select distinct c.categories_id, cd.categories_name " ."
                                from " . TABLE_CATEGORIES . " c, " .
                                         TABLE_CATEGORIES_DESCRIPTION . " cd, " .
                                         TABLE_PRODUCTS_TO_CATEGORIES . " ptoc " ."
                                where ptoc.categories_id = c.categories_id
                                and c.categories_id = cd.categories_id
                                and cd.language_id = '" . (int)$_SESSION['languages_id'] . "'
                                order by categories_name");

    while (!$categories->EOF) {
      if (!in_array($categories->fields['categories_id'], $exclude)) {
        $select_string .= '<option value="' . $categories->fields['categories_id'] . '">' . $categories->fields['categories_name'] . '</option>';
      }
      $categories->MoveNext();
    }

    $select_string .= '</select>';

    return $select_string;
  }

////
// categories pulldown with products with attributes
  function zen_draw_products_pull_down_categories_attributes($name, $parameters = '', $exclude = '') {
    global $db, $currencies;

    if ($exclude == '') {
      $exclude = array();
    }

    $select_string = '<select name="' . $name . '"';

    if ($parameters) {
      $select_string .= ' ' . $parameters;
    }

    $select_string .= '>';

    $categories = $db->Execute("select distinct c.categories_id, cd.categories_name " ."
                                from " . TABLE_CATEGORIES . " c, " .
                                         TABLE_CATEGORIES_DESCRIPTION . " cd, " .
                                         TABLE_PRODUCTS_TO_CATEGORIES . " ptoc, " .
                                         TABLE_PRODUCTS_ATTRIBUTES . " pa " ."
                                where pa.products_id= ptoc.products_id
                                and ptoc.categories_id= c.categories_id
                                and c.categories_id = cd.categories_id
                                and cd.language_id = '" . (int)$_SESSION['languages_id'] . "'
                                order by categories_name");

    while (!$categories->EOF) {
      if (!in_array($categories->fields['categories_id'], $exclude)) {
        $select_string .= '<option value="' . $categories->fields['categories_id'] . '">' . $categories->fields['categories_name'] . '</option>';
      }
      $categories->MoveNext();
    }

    $select_string .= '</select>';

    return $select_string;
  }

////
// look up categories product_type
  function zen_get_product_types_to_category($lookup) {
    global $db;

    $lookup = str_replace('cPath=','',$lookup);

    $sql = "select product_type_id from " . TABLE_PRODUCT_TYPES_TO_CATEGORY . " where category_id='" . (int)$lookup . "'";
    $look_up = $db->Execute($sql);

    if ($look_up->RecordCount() > 0) {
      return $look_up->fields['product_type_id'];
    } else {
      return false;
    }
  }

//// look up parent categories name
  function zen_get_categories_parent_name($categories_id) {
    global $db;

    $lookup_query = "select parent_id from " . TABLE_CATEGORIES . " where categories_id='" . (int)$categories_id . "'";
    $lookup = $db->Execute($lookup_query);

    $lookup_query = "select categories_name from " . TABLE_CATEGORIES_DESCRIPTION . " where categories_id='" . (int)$lookup->fields['parent_id'] . "'";
    $lookup = $db->Execute($lookup_query);

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

////
// Get all products_id in a Category and its SubCategories
// use as:
// $my_products_id_list = array();
// $my_products_id_list = zen_get_categories_products_list($categories_id)
  function zen_get_categories_products_list($categories_id, $include_deactivated = false, $include_child = true, $parent_category = '0', $display_limit = '') {
    global $db;
    global $categories_products_id_list;
    $childCatID = str_replace('_', '', substr($categories_id, strrpos($categories_id, '_')));

    $current_cPath = ($parent_category != '0' ? $parent_category . '_' : '') . $categories_id;

    $sql = "select p.products_id
            from " . TABLE_PRODUCTS . " p, " . TABLE_PRODUCTS_TO_CATEGORIES . " p2c
            where p.products_id = p2c.products_id
            and p2c.categories_id = '" . (int)$childCatID . "'" .
            ($include_deactivated ? " and p.products_status = 1" : "") .
            $display_limit;

    $products = $db->Execute($sql);
    while (!$products->EOF) {
      $categories_products_id_list[$products->fields['products_id']] = $current_cPath;
      $products->MoveNext();
    }

    if ($include_child) {
      $sql = "select categories_id from " . TABLE_CATEGORIES . "
              where parent_id = '" . (int)$childCatID . "'";

      $childs = $db->Execute($sql);
      if ($childs->RecordCount() > 0 ) {
        while (!$childs->EOF) {
          zen_get_categories_products_list($childs->fields['categories_id'], $include_deactivated, $include_child, $current_cPath, $display_limit);
          $childs->MoveNext();
        }
      }
    }
    return $categories_products_id_list;
  }

//// bof: manage master_categories_id vs cPath
  function zen_generate_category_path($id, $from = 'category', $categories_array = '', $index = 0) {
    global $db;

    if (!is_array($categories_array)) $categories_array = array();

    if ($from == 'product') {
      $categories = $db->Execute("select categories_id
                                  from " . TABLE_PRODUCTS_TO_CATEGORIES . "
                                  where products_id = '" . (int)$id . "'");

      while (!$categories->EOF) {
        if ($categories->fields['categories_id'] == '0') {
          $categories_array[$index][] = array('id' => '0', 'text' => TEXT_TOP);
        } else {
          $category = $db->Execute("select cd.categories_name, c.parent_id
                                    from " . TABLE_CATEGORIES . " c, " . TABLE_CATEGORIES_DESCRIPTION . " cd
                                    where c.categories_id = '" . (int)$categories->fields['categories_id'] . "'
                                    and c.categories_id = cd.categories_id
                                    and cd.language_id = '" . (int)$_SESSION['languages_id'] . "'");

          $categories_array[$index][] = array('id' => $categories->fields['categories_id'], 'text' => $category->fields['categories_name']);
          if ( (zen_not_null($category->fields['parent_id'])) && ($category->fields['parent_id'] != '0') ) $categories_array = zen_generate_category_path($category->fields['parent_id'], 'category', $categories_array, $index);
          $categories_array[$index] = array_reverse($categories_array[$index]);
        }
        $index++;
        $categories->MoveNext();
      }
    } elseif ($from == 'category') {
      $category = $db->Execute("select cd.categories_name, c.parent_id
                                from " . TABLE_CATEGORIES . " c, " . TABLE_CATEGORIES_DESCRIPTION . " cd
                                where c.categories_id = '" . (int)$id . "'
                                and c.categories_id = cd.categories_id
                                and cd.language_id = '" . (int)$_SESSION['languages_id'] . "'");

      $categories_array[$index][] = array('id' => $id, 'text' => $category->fields['categories_name']);
      if ( (zen_not_null($category->fields['parent_id'])) && ($category->fields['parent_id'] != '0') ) $categories_array = zen_generate_category_path($category->fields['parent_id'], 'category', $categories_array, $index);
    }

    return $categories_array;
  }

  function zen_output_generated_category_path($id, $from = 'category') {
    $calculated_category_path_string = '';
    $calculated_category_path = zen_generate_category_path($id, $from);
    for ($i=0, $n=sizeof($calculated_category_path); $i<$n; $i++) {
      for ($j=0, $k=sizeof($calculated_category_path[$i]); $j<$k; $j++) {
//        $calculated_category_path_string .= $calculated_category_path[$i][$j]['text'] . '&nbsp;&gt;&nbsp;';
        $calculated_category_path_string = $calculated_category_path[$i][$j]['text'] . '&nbsp;&gt;&nbsp;' . $calculated_category_path_string;
      }
      $calculated_category_path_string = substr($calculated_category_path_string, 0, -16) . '<br>';
    }
    $calculated_category_path_string = substr($calculated_category_path_string, 0, -4);

    if (strlen($calculated_category_path_string) < 1) $calculated_category_path_string = TEXT_TOP;

    return $calculated_category_path_string;
  }

  function zen_get_generated_category_path_ids($id, $from = 'category') {
    global $db;
    $calculated_category_path_string = '';
    $calculated_category_path = zen_generate_category_path($id, $from);
    for ($i=0, $n=sizeof($calculated_category_path); $i<$n; $i++) {
      for ($j=0, $k=sizeof($calculated_category_path[$i]); $j<$k; $j++) {
        $calculated_category_path_string .= $calculated_category_path[$i][$j]['id'] . '_';
      }
      $calculated_category_path_string = substr($calculated_category_path_string, 0, -1) . '<br>';
    }
    $calculated_category_path_string = substr($calculated_category_path_string, 0, -4);

    if (strlen($calculated_category_path_string) < 1) $calculated_category_path_string = TEXT_TOP;

    return $calculated_category_path_string;
  }

  function zen_get_generated_category_path_rev($this_categories_id) {
    $categories = array();
    zen_get_parent_categories($categories, $this_categories_id);

    $categories = array_reverse($categories);

    $categories_imploded = implode('_', $categories);

    if (zen_not_null($categories_imploded)) $categories_imploded .= '_';
    $categories_imploded .= $this_categories_id;

    return $categories_imploded;
  }
//// bof: manage master_categories_id vs cPath

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