uc_field_attribute.inc in Ubercart Field attributes 7

uc_field_attribute.inc Node functions for uc_field_attribute

(C)2011 Michael Moritz miiimooo/at/drupal.org http://drupal.org/user/62954

File

uc_field_attribute.inc

<?php

/**
 * @file uc_field_attribute.inc
 * Node functions for uc_field_attribute
 *
 * (C)2011 Michael Moritz miiimooo/at/drupal.org http://drupal.org/user/62954
 */
function _uc_field_attribute_nodeapi($node, $mode = NULL) {
  if (!array_key_exists($node->type, uc_product_class_load())) {
    return;
  }
  $attribute_settings = uc_field_attribute_load_settings($node->type);
  foreach ($attribute_settings->fields as $fiid => $enabled) {
    if (!$enabled) {
      continue;
    }
    $bundle = field_extract_bundle('node', $node);
    $instances = field_info_instances('node', $bundle);
    $found = false;
    foreach ($instances as $field_name => $instance) {
      if ($instance['id'] == $fiid) {
        $found = true;
        break;
      }
    }
    if (!$found) {
      continue;

      //TODO warning?
    }
    $instance = (object) $instance;
    $attribute = uc_field_attribute_load($node->nid, $instance->id);
    if (!$attribute) {

      //       dsm($instance);
      $attribute = $instance;
      $attribute->display = 1;
      $attribute->name = $instance->field_name;
      $attribute->options = array();
      uc_attribute_save($attribute);
      $attribute = (object) $attribute;
      $field_attribute = array(
        "aid" => $attribute->aid,
        "nid" => $node->nid,
        "field_instance_id" => $instance->id,
      );
      drupal_write_record('uc_field_attribute_node', $field_attribute);

      //       $attribute = (object) $field_attribute;
    }
    $product_attribute = (object) $attribute;

    //     dsm($product_attribute);
    $attributes = uc_product_get_attributes($node->nid);

    // UPDATE or INSERT
    $exists = isset($attributes[$product_attribute->aid]);

    //     $primary_keys = ($is_new ? NULL : array('aid', 'nid'));
    $product_attribute->nid = $node->nid;

    /// NOTE no API for this?
    if (!$exists) {
      drupal_write_record('uc_product_attributes', $product_attribute);
      $product_attribute = (object) $product_attribute;
    }
    $product_options = uc_field_attribute_options_load($product_attribute->aid);
    $items = field_get_items('node', $node, $field_name);
    foreach ($items as $index => $item) {

      // this returns markup in an array
      // could probably make the $display configurable
      $value = field_view_value('node', $node, $field_name, $item);
      $value = strip_tags($value['#markup']);
      $product_attribute_oid = 0;
      foreach ($product_attribute->options as $oid => $option) {
        if ($option->name == $value) {
          $product_attribute_oid = $oid;
          unset($product_attribute->options[$oid]);
          break;
        }
      }
      if (!$product_attribute_oid) {

        ///TODO could this already exist - should probably check through the table first
        $option = array(
          "aid" => $product_attribute->aid,
          'name' => $value,
          'ordering' => $index,
        );
        $option = (object) $option;
        uc_attribute_option_save($option);
        $option = (object) $option;
        $option->nid = $node->nid;
        drupal_write_record('uc_product_options', $option);
        drupal_write_record('uc_field_attribute_options', $option);
      }
    }

    //at this point $product_attribute->options holds all options that have "disappeared"

    //from the Field API field
    foreach ($product_attribute->options as $oid => $option) {
      db_delete('uc_product_options')
        ->condition('oid', $oid)
        ->condition('nid', $node->nid)
        ->execute();
      db_delete('uc_attribute_options')
        ->condition('oid', $oid)
        ->execute();
      db_delete('uc_field_attribute_options')
        ->condition('aid', $product_attribute->aid)
        ->condition('oid', $oid)
        ->execute();
    }
  }
}
function _uc_field_attribute_node_delete($node) {
  $result = db_query("SELECT aid FROM {uc_field_attribute_node}\n    WHERE nid = :nid", array(
    ':nid' => $node->nid,
  ));
  foreach ($result as $row) {

    //     $options = uc_field_attribute_options_load($aid);
    db_delete('uc_attribute_options')
      ->condition('aid', $row->aid)
      ->execute();
    db_delete('uc_field_attribute_options')
      ->condition('aid', $row->aid)
      ->execute();
    db_delete('uc_attributes')
      ->condition('aid', $row->aid)
      ->execute();
  }
  db_delete('uc_field_attribute_node')
    ->condition('nid', $node->nid)
    ->execute();
}
function uc_field_attribute_options_load($aid) {
  $options = array();
  $result = db_query("SELECT * FROM {uc_field_attribute_options}\n    WHERE aid = :aid", array(
    ':aid' => $aid,
  ));
  foreach ($result as $option) {
    $options[$option->oid] = $option;
  }
  return $options;
}
function uc_field_attribute_save(&$attribute) {

  // Insert or update?
  $key = empty($attribute->aid) ? array() : 'aid';
  return drupal_write_record('uc_field_attribute_node', $attribute, $key);
}
function uc_field_attribute_load($nid, $fiid) {
  $aid = db_query("SELECT aid FROM {uc_field_attribute_node}\n    WHERE nid = :nid AND field_instance_id = :fid", array(
    ':nid' => $nid,
    ':fid' => $fiid,
  ))
    ->fetchField();
  if (!$aid) {
    return false;
  }
  return uc_attribute_load($aid);

  //   $aid = db_select('')
  // //     ->fields('aid')
  //     ->condition('nid', $nid)
  //     ->condition('field_id', $fid)
  //     ->execute();
}

Functions

Name	Description
uc_field_attribute_load
uc_field_attribute_options_load
uc_field_attribute_save
_uc_field_attribute_nodeapi	@file uc_field_attribute.inc Node functions for uc_field_attribute
_uc_field_attribute_node_delete