FINAL suepr merge step : added all modules to this super repos

sites/all/modules/contrib/ecommerce/ubercart/uc_stock/tests/uc_stock.test

@@ -0,0 +1,95 @@
+<?php
+
+/**
+ * @file
+ * Ubercart stock related tests
+ */
+
+class UbercartStockTestCase extends UbercartTestHelper {
+
+  public static function getInfo() {
+    return array(
+      'name' => 'Stock',
+      'description' => 'Ensure that stock control functions properly.',
+      'group' => 'Ubercart',
+    );
+  }
+
+  /**
+   * Overrides DrupalWebTestCase::setUp().
+   */
+  public function setUp() {
+    parent::setUp(array('uc_stock'), array('administer product stock'));
+    $this->drupalLogin($this->adminUser);
+  }
+
+  public function testProductStock() {
+    $this->drupalGet('node/' . $this->product->nid . '/edit/stock');
+    $this->assertText($this->product->title);
+    $this->assertText($this->product->model, 'Product SKU found.');
+
+    $this->assertNoFieldChecked('edit-stock-0-active', 'Stock tracking is not active.');
+    $this->assertFieldByName('stock[0][stock]', '0', 'Default stock level found.');
+    $this->assertFieldByName('stock[0][threshold]', '0', 'Default stock threshold found.');
+
+    $stock = rand(1, 1000);
+    $edit = array(
+      'stock[0][active]' => 1,
+      'stock[0][stock]' => $stock,
+      'stock[0][threshold]' => rand(1, 100),
+    );
+    $this->drupalPost(NULL, $edit, t('Save changes'));
+    $this->assertText('Stock settings saved.');
+    $this->assertTrue(uc_stock_is_active($this->product->model));
+    $this->assertEqual($stock, uc_stock_level($this->product->model));
+
+    $stock = rand(1, 1000);
+    uc_stock_set($this->product->model, $stock);
+    $this->drupalGet('node/' . $this->product->nid . '/edit/stock');
+    $this->assertFieldByName('stock[0][stock]', (string)$stock, 'Set stock level found.');
+  }
+
+  public function testStockDecrement() {
+    $stock = rand(100, 1000);
+    $edit = array(
+      'stock[0][active]' => 1,
+      'stock[0][stock]' => $stock,
+    );
+    $this->drupalPost('node/' . $this->product->nid . '/edit/stock', $edit, t('Save changes'));
+    $this->assertText('Stock settings saved.');
+
+    // Enable product quantity field.
+    variable_set('uc_product_add_to_cart_qty', TRUE);
+
+    $qty = rand(1, 100);
+    $edit = array('qty' => $qty);
+    $this->drupalPost('node/' . $this->product->nid, $edit, t('Add to cart'));
+
+    $this->checkout();
+
+    $this->assertEqual($stock - $qty, uc_stock_level($this->product->model));
+  }
+
+  public function testStockThresholdMail() {
+    $edit = array('uc_stock_threshold_notification' => 1);
+    $this->drupalPost('admin/store/settings/stock', $edit, 'Save configuration');
+
+    $qty = rand(10, 100);
+    $edit = array(
+      'stock[0][active]' => 1,
+      'stock[0][stock]' => $qty + 1,
+      'stock[0][threshold]' => $qty,
+    );
+    $this->drupalPost('node/' . $this->product->nid . '/edit/stock', $edit, 'Save changes');
+
+    $this->drupalPost('node/' . $this->product->nid, array(), 'Add to cart');
+    $this->checkout();
+
+    $mail = $this->drupalGetMails(array('id' => 'uc_stock_threshold'));
+    $mail = array_pop($mail);
+    $this->assertTrue(strpos($mail['subject'], 'Stock threshold limit reached') !== FALSE, 'Threshold mail subject is correct.');
+    $this->assertTrue(strpos($mail['body'], $this->product->title) !== FALSE, 'Mail body contains product title.');
+    $this->assertTrue(strpos($mail['body'], $this->product->model) !== FALSE, 'Mail body contains SKU.');
+    $this->assertTrue(strpos($mail['body'], 'has reached ' . $qty) !== FALSE, 'Mail body contains quantity.');
+  }
+}

sites/all/modules/contrib/ecommerce/ubercart/uc_stock/uc_stock.admin.inc

@@ -0,0 +1,321 @@
+<?php
+
+/**
+ * @file
+ * Stock administration menu items.
+ */
+
+/**
+ * Form builder for stock settings form.
+ *
+ * @ingroup forms
+ */
+function uc_stock_settings_form($form, &$form_state) {
+  $form['uc_stock_threshold_notification'] = array(
+    '#type' => 'checkbox',
+    '#title' => t('Send email notification when stock level reaches its threshold value'),
+    '#default_value' => variable_get('uc_stock_threshold_notification', FALSE),
+  );
+
+  $form['uc_stock_threshold_notification_recipients'] = array(
+    '#type' => 'textfield',
+    '#title' => t('Notification recipients'),
+    '#default_value' => variable_get('uc_stock_threshold_notification_recipients', uc_store_email()),
+    '#description' => t('The list of comma-separated email addresses that will receive the notification.'),
+  );
+
+  $form['uc_stock_threshold_notification_subject'] = array(
+    '#type' => 'textfield',
+    '#title' => t('Message subject'),
+    '#default_value' => variable_get('uc_stock_threshold_notification_subject', uc_get_message('uc_stock_threshold_notification_subject')),
+  );
+
+  $form['uc_stock_threshold_notification_message'] = array(
+    '#type' => 'textarea',
+    '#title' => t('Message text'),
+    '#default_value' => variable_get('uc_stock_threshold_notification_message', uc_get_message('uc_stock_threshold_notification_message')),
+    '#description' => t('The message the user receives when the stock level reaches its threshold value.'),
+    '#rows' => 10,
+  );
+
+  if (module_exists('token')) {
+    $form['token_tree'] = array(
+      '#markup' => theme('token_tree', array('token_types' => array('uc_order', 'uc_stock', 'node', 'site', 'store'))),
+    );
+  }
+
+  return system_settings_form($form);
+}
+
+/**
+ * Displays a stock report for products with stock tracking enabled.
+ */
+function uc_stock_report() {
+  $page_size = (isset($_GET['nopage'])) ? UC_REPORTS_MAX_RECORDS : variable_get('uc_reports_table_size', 30);
+  $csv_rows = array();
+  $rows = array();
+
+  $header = array(
+    array('data' => t('SKU'), 'field' => 'sku', 'sort' => 'asc'),
+    array('data' => t('Product'), 'field' => 'title'),
+    array('data' => t('Stock'), 'field' => 'stock'),
+    array('data' => t('Threshold'), 'field' => 'threshold'),
+    array('data' => t('Operations')),
+  );
+
+  $csv_rows[] = array(t('SKU'), t('Product'), t('Stock'), t('Threshold'));
+
+  $query = db_select('uc_product_stock', 's')->extend('PagerDefault')->extend('TableSort')
+    ->orderByHeader($header)
+    ->limit($page_size)
+    ->fields('s', array(
+      'nid',
+      'sku',
+      'stock',
+      'threshold',
+    ));
+
+  $query->leftJoin('node', 'n', 's.nid = n.nid');
+  $query->addField('n', 'title');
+  $query->condition('active', 1)
+    ->condition('title', '', '<>');
+
+
+  if (arg(4) == 'threshold') {
+    $query->where('threshold >= stock');
+  }
+
+  $result = $query->execute();
+  foreach ($result as $stock) {
+    $op = array();
+    if (user_access('administer product stock')) {
+      $op[] = l(t('edit'), 'node/' . $stock->nid . '/edit/stock', $options = array('query' => array('destination' => 'admin/store/reports/stock')));
+    }
+
+    // Add the data to a table row for display.
+    $rows[] = array(
+      'data' => array(
+        array('data' => $stock->sku),
+        array('data' => l($stock->title, 'node/' . $stock->nid)),
+        array('data' => $stock->stock),
+        array('data' => $stock->threshold),
+        array('data' => implode(' ', $op)),
+      ),
+      'class' => array(($stock->threshold >= $stock->stock) ? 'uc-stock-below-threshold' : 'uc-stock-above-threshold'),
+    );
+
+    // Add the data to the CSV contents for export.
+    $csv_rows[] = array($stock->sku, $stock->title, $stock->stock, $stock->threshold);
+  }
+
+  module_load_include('inc', 'uc_reports', 'uc_reports.admin');
+  $csv_data = uc_reports_store_csv('uc_stock', $csv_rows);
+
+  $build['form'] = drupal_get_form('uc_stock_report_form');
+  $build['report'] = array(
+    '#theme' => 'table',
+    '#header' => $header,
+    '#rows' => $rows,
+    '#attributes' => array('width' => '100%', 'class' => array('uc-stock-table')),
+  );
+  $build['pager'] = array(
+    '#theme' => 'pager',
+  );
+
+  $build['links'] = array(
+    '#prefix' => '<div class="uc-reports-links">',
+    '#suffix' => '</div>',
+  );
+  $build['links']['export_csv'] = array(
+    '#markup' => l(t('Export to CSV file'), 'admin/store/reports/getcsv/' . $csv_data['report'] . '/' . $csv_data['user']),
+    '#suffix' => '&nbsp;&nbsp;&nbsp;',
+  );
+
+  if (isset($_GET['nopage'])) {
+    $build['links']['toggle_pager'] = array(
+      '#markup' => l(t('Show paged records'), 'admin/store/reports/stock'),
+    );
+  }
+  else {
+    $build['links']['toggle_pager'] = array(
+      '#markup' => l(t('Show all records'), 'admin/store/reports/stock', array('query' => array('nopage' => '1'))),
+    );
+  }
+
+  return $build;
+}
+
+/**
+ * Form builder for stock report threshold filter.
+ *
+ * @see uc_stock_report_form_submit()
+ * @ingroup forms
+ */
+function uc_stock_report_form($form, &$form_state) {
+  $form['threshold'] = array(
+    '#type' => 'checkbox',
+    '#title' => t('Only show SKUs that are below their threshold.'),
+    '#default_value' => arg(4) == 'threshold' ? TRUE : FALSE,
+    '#attributes' => array('onchange' => 'this.form.submit();'),
+  );
+
+  $form['actions'] = array('#type' => 'actions');
+  $form['actions']['submit'] = array(
+    '#type' => 'submit',
+    '#value' => t('Update'),
+    '#attributes' => array('style' => "display:none;"),
+  );
+
+  return $form;
+}
+
+/**
+ * Form submission handler for uc_stock_report_form().
+ *
+ * @see uc_stock_report_form()
+ */
+function uc_stock_report_form_submit($form, &$form_state) {
+  if ($form_state['values']['threshold']) {
+    drupal_goto('admin/store/reports/stock/threshold');
+  }
+  else {
+    drupal_goto('admin/store/reports/stock');
+  }
+}
+
+/**
+ * Form builder for product stock edit form.
+ *
+ * @see uc_stock_edit_form_submit()
+ * @see theme_uc_stock_edit_form()
+ * @ingroup forms
+ */
+function uc_stock_edit_form($form, &$form_state, $node) {
+  drupal_set_title($node->title);
+
+  $form['stock'] = array('#tree' => TRUE);
+
+  $skus = uc_product_get_models($node->nid);
+
+  // Remove 'Any'.
+  unset($skus[NULL]);
+
+  if (!$skus) {
+    drupal_set_message(t('No SKU found.'), 'error');
+  }
+  else {
+    foreach (array_values($skus) as $id => $sku) {
+      $stock = db_query("SELECT * FROM {uc_product_stock} WHERE sku = :sku", array(':sku' => $sku))->fetchAssoc();
+
+      $form['stock'][$id]['sku'] = array(
+        '#type' => 'value',
+        '#value' => $sku,
+      );
+
+      // Checkbox to mark this as active.
+      $form['stock'][$id]['active'] = array(
+        '#type' => 'checkbox',
+        '#default_value' => !empty($stock['active']) ? $stock['active'] : 0,
+      );
+
+      // Sanitized version of the SKU for display.
+      $form['stock'][$id]['display_sku'] = array(
+        '#markup' => check_plain($sku),
+      );
+
+      // Textfield for entering the stock level.
+      $form['stock'][$id]['stock'] = array(
+        '#type' => 'textfield',
+        '#default_value' => !empty($stock['stock']) ? $stock['stock'] : 0,
+        '#maxlength' => 9,
+        '#size' => 9,
+      );
+
+      // Textfield for entering the threshold level.
+      $form['stock'][$id]['threshold'] = array(
+        '#type' => 'textfield',
+        '#default_value' => !empty($stock['threshold']) ? $stock['threshold'] : 0,
+        '#maxlength' => 9,
+        '#size' => 9,
+      );
+    }
+  }
+
+  $form['nid'] = array(
+    '#type' => 'value',
+    '#value' => $node->nid,
+  );
+
+  $form['actions'] = array('#type' => 'actions');
+  $form['actions']['save'] = array(
+    '#type' => 'submit',
+    '#value' => t('Save changes'),
+  );
+
+  return $form;
+}
+
+/**
+ * Form submission handler for uc_stock_edit_form().
+ *
+ * @see uc_stock_edit_form()
+ * @see theme_uc_stock_edit_form()
+ */
+function uc_stock_edit_form_submit($form, &$form_state) {
+  foreach (element_children($form_state['values']['stock']) as $id) {
+    $stock = $form_state['values']['stock'][$id];
+
+    db_merge('uc_product_stock')
+      ->key(array('sku' => $stock['sku']))
+      ->updateFields(array(
+        'active' => $stock['active'],
+        'stock' => $stock['stock'],
+        'threshold' => $stock['threshold'],
+      ))
+      ->insertFields(array(
+        'sku' => $stock['sku'],
+        'active' => $stock['active'],
+        'stock' => $stock['stock'],
+        'threshold' => $stock['threshold'],
+        'nid' => $form_state['values']['nid'],
+      ))
+      ->execute();
+  }
+
+  drupal_set_message(t('Stock settings saved.'));
+}
+
+/**
+ * Returns HTML for uc_stock_edit_form().
+ *
+ * @param $variables
+ *   An associative array containing:
+ *   - form: A render element representing the form.
+ *
+ * @see uc_stock_edit_form()
+ * @see uc_stock_edit_form_submit()
+ * @ingroup themeable
+ */
+function theme_uc_stock_edit_form($variables) {
+  $form = $variables['form'];
+  drupal_add_js('misc/tableselect.js');
+
+  $header = array(
+    array('data' => '&nbsp;&nbsp;' . t('Active'), 'class' => array('select-all')),
+    array('data' => t('SKU')),
+    array('data' => t('Stock')),
+    array('data' => t('Threshold')),
+  );
+  $rows = array();
+
+  foreach (element_children($form['stock']) as $id) {
+    $rows[] = array(
+      array('data' => drupal_render($form['stock'][$id]['active'])),
+      array('data' => drupal_render($form['stock'][$id]['display_sku'])),
+      array('data' => drupal_render($form['stock'][$id]['stock'])),
+      array('data' => drupal_render($form['stock'][$id]['threshold'])),
+    );
+  }
+
+  return theme('table', array('header' => $header, 'rows' => $rows)) . drupal_render_children($form);
+}

sites/all/modules/contrib/ecommerce/ubercart/uc_stock/uc_stock.api.php

@@ -0,0 +1,35 @@
+<?php
+
+/**
+ * @file
+ * Hooks provided by the Stock module.
+ */
+
+/**
+ * @addtogroup hooks
+ * @{
+ */
+
+/**
+ * Allows modules to take action when a stock level is changed.
+ *
+ * @param $sku
+ *   The SKU whose stock level is being changed.
+ * @param $stock
+ *   The stock level before the adjustment.
+ * @param $qty
+ *   The amount by which the stock level was changed.
+ */
+function hook_uc_stock_adjusted($sku, $stock, $qty) {
+  $params = array(
+    'sku' => $sku,
+    'stock' => $stock,
+    'qty' => $qty,
+  );
+
+  drupal_mail('uc_stock_notify', 'stock-adjusted', uc_store_email_from(), language_default(), $params);
+}
+
+/**
+ * @} End of "addtogroup hooks".
+ */

sites/all/modules/contrib/ecommerce/ubercart/uc_stock/uc_stock.info

@@ -0,0 +1,20 @@
+name = Stock
+description = Manages stock levels of your products.
+dependencies[] = uc_product
+package = Ubercart - extra
+core = 7.x
+
+; Test cases
+files[] = tests/uc_stock.test
+
+; Views handlers
+files[] = views/uc_stock_handler_filter_below_threshold.inc
+
+configure = admin/store/settings/stock
+
+; Information added by Drupal.org packaging script on 2013-12-17
+version = "7.x-3.6"
+core = "7.x"
+project = "ubercart"
+datestamp = "1387304010"
+

sites/all/modules/contrib/ecommerce/ubercart/uc_stock/uc_stock.install

@@ -0,0 +1,102 @@
+<?php
+
+/**
+ * @file
+ * Install, update and uninstall functions for the uc_stock module.
+ */
+
+/**
+ * Implements hook_schema().
+ */
+function uc_stock_schema() {
+  $schema = array();
+
+  $schema['uc_product_stock'] = array(
+    'description' => 'Stock levels for Ubercart products.',
+    'fields' => array(
+      'sku' => array(
+        'description' => 'SKU (Stock Keeping Unit) of a product.',
+        'type' => 'varchar',
+        'length' => '255',
+        'not null' => TRUE,
+        'default' => '',
+      ),
+      'nid' => array(
+        'description' => 'Node ID of a product.',
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+      'active' => array(
+        'description' => 'Boolean flag indicating whether stock is being tracked for this product. 1 => Yes. 0 => No.',
+        'type' => 'int',
+        'size' => 'tiny',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+      'stock' => array(
+        'description' => 'Quantity in stock.',
+        'type' => 'int',
+        'size' => 'medium',
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+      'threshold' => array(
+        'description' => 'Minimum quantity threshold level.',
+        'type' => 'int',
+        'size' => 'medium',
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+    ),
+    'indexes' => array(
+      'nid' => array('nid'),
+    ),
+    'primary key' => array('sku'),
+    'foreign keys' => array(
+      'uc_products' => array(
+        'table' => 'uc_products',
+        'columns' => array('nid' => 'nid'),
+      ),
+    ),
+  );
+
+  return $schema;
+}
+
+/**
+ * Implements hook_uninstall().
+ */
+function uc_stock_uninstall() {
+  db_delete('variable')
+    ->condition('name', 'uc_stock_%', 'LIKE')
+    ->execute();
+
+  variable_del('uc_stock_threshold_notification');
+  variable_del('uc_stock_threshold_notification_recipients');
+  variable_del('uc_stock_threshold_notification_subject');
+  variable_del('uc_stock_threshold_notification_message');
+}
+
+/**
+ * Implements hook_update_last_removed().
+ */
+function uc_stock_update_last_removed() {
+  return 6000;
+}
+
+/**
+ * Remove unused message format variable.
+ */
+function uc_stock_update_7000() {
+  variable_del('uc_stock_threshold_notification_format');
+}
+
+/**
+ * Remove unused message format variable.
+ */
+function uc_stock_update_7001() {
+  variable_del('uc_stock_threshold_notification_message_format');
+}

sites/all/modules/contrib/ecommerce/ubercart/uc_stock/uc_stock.module

@@ -0,0 +1,297 @@
+<?php
+
+/**
+ * @file
+ * Allow ubercart products to have stock levels associated with their SKU
+ *
+ * uc_stock enables ubercart to manage stock for products. Store admins can set
+ * the stock levels on a product edit page and a threshold for each SKU value
+ * When that threshold is reached admins can be optionally notified about the
+ * current stock level. Store admins can view all stock levels in the reports
+ * section of Ubercart.
+ *
+ * Development sponsored by the Ubercart project. http://www.ubercart.org
+ */
+
+
+/**
+ * Implements hook_help().
+ */
+function uc_stock_help($path, $arg) {
+  switch ($path) {
+    case 'node/%/edit/stock':
+      return '<p>' . t('To keep track of stock for a particular product SKU, make sure it is marked as active and enter a stock value. When the stock level drops below the threshold value, you can be notified based on your stock settings.') . '</p>';
+    case 'admin/store/reports/stock':
+    case 'admin/store/reports/stock/threshold':
+      return '<p>' . t('This is the list of product SKUs that are currently active. Stock levels below their threshold have highlighted rows. Toggle the checkbox below to alter which stock levels are shown.') . '</p>';
+  }
+}
+
+/**
+ * Implements hook_menu().
+ */
+function uc_stock_menu() {
+  $items = array();
+
+  $items['admin/store/settings/stock'] = array(
+    'title' => 'Stock notifications',
+    'description' => 'Enable or disable stock level notifications.',
+    'page callback' => 'drupal_get_form',
+    'page arguments' => array('uc_stock_settings_form'),
+    'access arguments' => array('administer product stock'),
+    'file' => 'uc_stock.admin.inc',
+  );
+  if (module_exists('uc_reports')) {
+    $items['admin/store/reports/stock'] = array(
+      'title' => 'Stock reports',
+      'description' => 'View reports for product stock.',
+      'page callback' => 'uc_stock_report',
+      'access arguments' => array('view reports'),
+      'file' => 'uc_stock.admin.inc',
+    );
+  }
+  $items['node/%node/edit/stock'] = array(
+    'title' => 'Stock',
+    'page callback' => 'drupal_get_form',
+    'page arguments' => array('uc_stock_edit_form', 1),
+    'access callback' => 'uc_stock_product_access',
+    'access arguments' => array(1),
+    'weight' => 10,
+    'type' => MENU_LOCAL_TASK,
+    'file' => 'uc_stock.admin.inc',
+  );
+  return $items;
+}
+
+/**
+ * Implements hook_admin_paths().
+ */
+function uc_stock_admin_paths() {
+  $paths = array(
+    'node/*/edit/stock' => TRUE,
+  );
+
+  return $paths;
+}
+
+/**
+ * Access callback for node/%node/edit/stock.
+ */
+function uc_stock_product_access($node) {
+  if ($node->type == 'product_kit') {
+    return FALSE;
+  }
+
+  return uc_product_is_product($node) && node_access('update', $node) && user_access('administer product stock');
+}
+
+/**
+ * Implements hook_permission().
+ */
+function uc_stock_permission() {
+  return array(
+    'administer product stock' => array(
+      'title' => t('Administer product stock'),
+    )
+  );
+}
+
+/**
+ * Implements hook_theme().
+ */
+function uc_stock_theme() {
+  return array(
+    'uc_stock_edit_form' => array(
+      'render element' => 'form',
+      'file' => 'uc_stock.admin.inc',
+    ),
+  );
+}
+
+/**
+ * Implements hook_mail().
+ */
+function uc_stock_mail($key, &$message, $params) {
+  switch ($key) {
+    case 'threshold':
+      $message['subject'] = $params['subject'];
+      $message['body'][] = $params['body'];
+      break;
+  }
+}
+
+/**
+ * Implements hook_uc_message().
+ */
+function uc_stock_uc_message() {
+  $messages['uc_stock_threshold_notification_subject'] = t('[store:name]: Stock threshold limit reached');
+  $messages['uc_stock_threshold_notification_message'] = t('This message has been sent to let you know that the stock level for "[node:title]" with SKU [uc_stock:model] has reached [uc_stock:level]. There may not be enough units in stock to fulfill order #[uc_order:link].');
+  return $messages;
+}
+
+/**
+ * Adjusts the product stock level by a set amount.
+ *
+ * @param $sku
+ *   The product SKU of the stock level to adjust.
+ * @param $qty
+ *   The amount to add to or subtract from the stock level.
+ * @param $check_active
+ *   If FALSE, don't check if stock tracking is active for this SKU.
+ */
+function uc_stock_adjust($sku, $qty, $check_active = TRUE) {
+  $stock = db_query("SELECT active, stock FROM {uc_product_stock} WHERE sku = :sku", array(':sku' => $sku))->fetchObject();
+
+  if ($check_active) {
+    if (!$stock || !$stock->active) {
+      return;
+    }
+  }
+
+  db_update('uc_product_stock')
+    ->expression('stock', 'stock + :qty', array(':qty' => $qty))
+    ->condition('sku', $sku)
+    ->execute();
+
+  module_invoke_all('uc_stock_adjusted', $sku, $stock->stock, $qty);
+}
+
+/**
+ * Sets the product stock level.
+ *
+ * @param $sku
+ *   The product SKU of the stock level to set.
+ * @param $qty
+ *   The number of items in stock.
+ */
+function uc_stock_set($sku, $qty) {
+  db_update('uc_product_stock')
+    ->fields(array('stock' => $qty))
+    ->condition('sku', $sku)
+    ->execute();
+}
+
+/**
+ * Gets the stock level of a particular product SKU.
+ *
+ * @param $sku
+ *   The Ubercart product SKU of the stock level to return.
+ *
+ * @return
+ *   The SKU's stock level, or FALSE if not active.
+ */
+function uc_stock_level($sku) {
+  $stock = db_query("SELECT active, stock FROM {uc_product_stock} WHERE sku = :sku", array(':sku' => $sku))->fetchObject();
+
+  if ($stock && $stock->active) {
+    return $stock->stock;
+  }
+
+  return FALSE;
+}
+
+/**
+ * Checks if a SKU has an active stock record.
+ *
+ * @param $sku
+ *   The Ubercart product SKU to check
+ *
+ * @return
+ *   Boolean indicating whether or not the sku has an active stock record.
+ */
+function uc_stock_is_active($sku) {
+  return (bool) db_query("SELECT active FROM {uc_product_stock} WHERE sku = :sku", array(':sku' => $sku))->fetchField();
+}
+
+/**
+ * Emails administrator regarding any stock level thresholds hit.
+ *
+ * @param $order
+ *   The order object that tripped the threshold limit.
+ * @param $node
+ *   The node object that is associated with the SKU/model.
+ * @param $stock
+ *   The stock level object that contains the stock level and SKU.
+ *
+ * @return
+ *   The result of drupal_mail().
+ */
+function _uc_stock_send_mail($order, $node, $stock) {
+  $account = user_load($order->uid);
+  $token_filters = array('uc_order' => $order, 'user' => $account, 'uc_stock' => $stock, 'node' => $node);
+
+  $to = variable_get('uc_stock_threshold_notification_recipients', uc_store_email());
+  $to = explode(',', $to);
+
+  $from = uc_store_email_from();
+
+  $subject = variable_get('uc_stock_threshold_notification_subject', uc_get_message('uc_stock_threshold_notification_subject'));
+  $subject = token_replace($subject, $token_filters);
+
+  $body = variable_get('uc_stock_threshold_notification_message', uc_get_message('uc_stock_threshold_notification_message'));
+  $body = token_replace($body, $token_filters);
+
+  // Send to each recipient.
+  foreach ($to as $email) {
+    $sent = drupal_mail('uc_stock', 'threshold', $email, uc_store_mail_recipient_language($email), array('body' => $body, 'subject' => $subject, 'order' => $order, 'stock' => $stock), $from);
+
+    if (!$sent['result']) {
+      watchdog('uc_stock', 'Attempt to e-mail @email concerning stock level on sku @sku failed.', array('@email' => $email, '@sku' => $stock->sku), WATCHDOG_ERROR);
+    }
+  }
+}
+
+/**
+ * Implements hook_views_api().
+ */
+function uc_stock_views_api() {
+  return array(
+    'api' => '2.0',
+    'path' => drupal_get_path('module', 'uc_stock') . '/views',
+  );
+}
+
+/**
+ * Decrement a product's stock.
+ *
+ * @param $product
+ *   The product whose stock is being adjusted.
+ * @param $key
+ *   Internal, so this function can be used as a callback of array_walk().
+ * @param $order
+ *   Order object.
+ */
+function uc_stock_adjust_product_stock($product, $key, $order) {
+  // Product has an active stock?
+  if (!uc_stock_is_active($product->model)) {
+    return;
+  }
+
+  // Do nothing if decrement quantity is 0.
+  if ($product->qty == 0) {
+    return;
+  }
+
+  // Adjust the product's stock.
+  uc_stock_adjust($product->model, -$product->qty);
+
+  // Load the new stock record.
+  $stock = db_query("SELECT * FROM {uc_product_stock} WHERE sku = :sku", array(':sku' => $product->model))->fetchObject();
+
+  // Should we notify?
+  if (variable_get('uc_stock_threshold_notification', FALSE) && $stock->stock <= $stock->threshold) {
+    $node = node_load($product->nid);
+    _uc_stock_send_mail($order, $node, $stock);
+  }
+
+  // Save a comment about the stock level.
+  uc_order_comment_save($order->order_id, 0, t('The stock level for %model_name has been !action to !qty.', array('%model_name' => $product->model, '!qty' => $stock->stock, '!action' => (-$product->qty <= 0) ? t('decreased') : t('increased') )));
+}
+
+/**
+ * Increment a product's stock.
+ */
+function uc_stock_increment_product_stock($product, $key, $order) {
+  $product->qty = -$product->qty;
+  return uc_stock_adjust_product_stock($product, $key, $order);
+}

sites/all/modules/contrib/ecommerce/ubercart/uc_stock/uc_stock.rules.inc

@@ -0,0 +1,55 @@
+<?php
+
+/**
+ * @file
+ * Rules hooks for uc_stock.module.
+ */
+
+/**
+ * Implements hook_rules_action_info().
+ */
+function uc_stock_rules_action_info() {
+  $actions['uc_stock_action_decrement_stock'] = array(
+    'label' => t('Decrement stock of products on the order with tracking activated.'),
+    'group' => t('Stock'),
+    'base' => 'uc_stock_action_decrement_stock',
+    'parameter' => array(
+      'order' => array(
+        'type' => 'uc_order',
+        'label' => t('Order'),
+      ),
+    ),
+  );
+
+  $actions['uc_stock_action_increment_stock'] = array(
+    'label' => t('Increment stock of products on the order with tracking activated.'),
+    'group' => t('Stock'),
+    'base' => 'uc_stock_action_increment_stock',
+    'parameter' => array(
+      'order' => array(
+        'type' => 'uc_order',
+        'label' => t('Order'),
+      ),
+    ),
+  );
+
+  return $actions;
+}
+
+/**
+ * Decreases the stock of ordered products.
+ */
+function uc_stock_action_decrement_stock($order) {
+  if (is_array($order->products)) {
+    array_walk($order->products, 'uc_stock_adjust_product_stock', $order);
+  }
+}
+
+/**
+ * Increase the stock of ordered products.
+ */
+function uc_stock_action_increment_stock($order, $settings) {
+  if (is_array($order->products)) {
+    array_walk($order->products, 'uc_stock_increment_product_stock', $order);
+  }
+}

sites/all/modules/contrib/ecommerce/ubercart/uc_stock/uc_stock.rules_defaults.inc

@@ -0,0 +1,51 @@
+<?php
+
+/**
+ * @file
+ * Rules default configurations for uc_stock.module.
+ */
+
+/**
+ * Implements hook_default_rules_configuration().
+ */
+function uc_stock_default_rules_configuration() {
+  $configs = array();
+
+  $rule = rules_reaction_rule();
+  $rule->label = t('Decrement stock upon order submission');
+  $rule->active = TRUE;
+  $rule->event('uc_checkout_complete')
+    ->action('uc_stock_action_decrement_stock', array('order:select' => 'order'));
+  $configs['uc_stock_decrement_on_order'] = $rule;
+
+  $rule = rules_reaction_rule();
+  $rule->label = t('Increment stock on cancelling order');
+  $rule->active = FALSE;
+  $rule->event('uc_order_status_update')
+    ->condition(rules_condition('data_is', array('data:select' => 'updated_order:order-status', 'value' => 'canceled')))
+    ->condition(rules_condition('data_is', array('data:select' => 'order:order-status', 'value' => 'canceled'))->negate())
+    ->condition(rules_condition('data_is', array('data:select' => 'order:order-status', 'value' => 'in_checkout'))->negate())
+    ->action('uc_stock_action_increment_stock', array('order:select' => 'order'));
+  $configs['uc_stock_increment_on_cancel'] = $rule;
+
+  $rule = rules_reaction_rule();
+  $rule->label = t('Increment stock on deleting an order');
+  $rule->active = FALSE;
+  $rule->event('uc_order_delete')
+    ->condition(rules_condition('data_is', array('data:select' => 'order:order-status', 'value' => 'canceled'))->negate())
+    ->condition(rules_condition('data_is', array('data:select' => 'order:order-status', 'value' => 'in_checkout'))->negate())
+    ->action('uc_stock_action_increment_stock', array('order:select' => 'order'));
+  $configs['uc_stock_increment_on_delete'] = $rule;
+
+  $rule = rules_reaction_rule();
+  $rule->label = t('Decrement stock when order cancellation is being undone');
+  $rule->active = FALSE;
+  $rule->event('uc_order_status_update')
+    ->condition(rules_condition('data_is', array('data:select' => 'order:order-status', 'value' => 'canceled')))
+    ->condition(rules_condition('data_is', array('data:select' => 'updated_order:order-status', 'value' => 'canceled'))->negate())
+    ->condition(rules_condition('data_is', array('data:select' => 'updated_order:order-status', 'value' => 'in_checkout'))->negate())
+    ->action('uc_stock_action_decrement_stock', array('order:select' => 'order'));
+  $configs['uc_stock_decrement_on_uncancel'] = $rule;
+
+  return $configs;
+}

sites/all/modules/contrib/ecommerce/ubercart/uc_stock/uc_stock.tokens.inc

@@ -0,0 +1,66 @@
+<?php
+
+/**
+ * @file
+ * Token hooks for the uc_stock module.
+ */
+
+/**
+ * Implements hook_token_info().
+ */
+function uc_stock_token_info() {
+  $type = array(
+    'name' => t('Stock level'),
+    'description' => t('Tokens for the stock levels of products.'),
+    'needs-data' => 'uc_stock',
+  );
+
+  $tokens['level'] = array(
+    'name' => t('Level'),
+    'description' => t('The current stock level.'),
+  );
+  $tokens['model'] = array(
+    'name' => t('Model'),
+    'description' => t('The model or SKU of the stock level.'),
+  );
+  $tokens['threshold'] = array(
+    'name' => t('Threshold'),
+    'description' => t('The threshold or warning limit of the stock level.'),
+  );
+
+  return array(
+    'types' => array('uc_stock' => $type),
+    'tokens' => array('uc_stock' => $tokens),
+  );
+}
+
+/**
+ * Implements hook_tokens().
+ */
+function uc_stock_tokens($type, $tokens, $data = array(), $options = array()) {
+  $sanitize = !empty($options['sanitize']);
+
+  $replacements = array();
+
+  if ($type == 'uc_stock' && !empty($data['uc_stock'])) {
+    $object = $data['uc_stock'];
+
+    foreach ($tokens as $name => $original) {
+      switch ($name) {
+        case 'level':
+          $replacements[$original] = $object->stock;
+          break;
+
+        case 'model':
+          $replacements[$original] = $sanitize ? check_plain($object->sku) : $object->sku;
+          break;
+
+        case 'threshold':
+          $replacements[$original] = $object->threshold;
+          break;
+      }
+    }
+  }
+
+  return $replacements;
+}

sites/all/modules/contrib/ecommerce/ubercart/uc_stock/uc_stock.variable.inc

@@ -0,0 +1,40 @@
+<?php
+
+/**
+ * @file
+ * Variable module hook implementations.
+ */
+
+
+/**
+ * Implements hook_variable_group_info().
+ */
+function uc_stock_variable_group_info() {
+  $groups['uc_stock'] = array(
+    'title' => t('Ubercart stock settings'),
+    'access' => 'administer store',
+    'path' => array('admin/store/settings/stock'),
+  );
+  return $groups;
+}
+
+/**
+ * Implements hook_variable_info().
+ */
+function uc_stock_variable_info($options) {
+  $variables['uc_stock_threshold_notification_message'] = array(
+    'type' => 'text',
+    'title' => t('Message text', array(), $options),
+    'description' => t('The message the user receives when the stock level reaches its threshold value.', array(), $options),
+    'group' => 'uc_stock',
+    'default' => t('[store:name]: Stock threshold limit reached', array(), $options),
+  );
+  $variables['uc_stock_threshold_notification_subject'] = array(
+    'type' => 'text',
+    'title' => t('Message subject', array(), $options),
+    'description' => t('The subject line of the message the user receives when the stock level reaches its threshold value.', array(), $options),
+    'group' => 'uc_stock',
+    'default' => t('This message has been sent to let you know that the stock level for "[node:title]" with SKU [uc_stock:model] has reached [uc_stock:level]. There may not be enough units in stock to fulfill order #[uc_order:link].', array(), $options),
+  );
+  return $variables;
+}

sites/all/modules/contrib/ecommerce/ubercart/uc_stock/views/uc_stock.views.inc

@@ -0,0 +1,95 @@
+<?php
+
+/**
+ * @file
+ * Views hooks and callback registries.
+ */
+
+/**
+ * Implements hook_views_data().
+ */
+function uc_stock_views_data() {
+  $data['uc_product_stock']['table']['group'] = t('Stock');
+
+  // Attach stock data to nodes.
+  $data['uc_product_stock']['table']['join']['node'] = array(
+    'left_field' => 'nid',
+    'field' => 'nid',
+  );
+
+  $data['uc_product_stock']['sku'] = array(
+    'title' => t('SKU'),
+    'help' => t('The model or SKU of the stock level.'),
+    'field' => array(
+      'click sortable' => TRUE,
+    ),
+    'filter' => array(
+      'handler' => 'views_handler_filter_string',
+    ),
+    'sort' => array(
+      'handler' => 'views_handler_sort',
+    ),
+    'argument' => array(
+      'handler' => 'views_handler_argument_string',
+    ),
+  );
+
+  $data['uc_product_stock']['active'] = array(
+    'title' => t('Active'),
+    'help' => t('Whether or not stock is currently being tracked.'),
+    'field' => array(
+      'handler' => 'views_handler_field_boolean',
+      'click sortable' => TRUE,
+    ),
+    'filter' => array(
+      'handler' => 'views_handler_filter_boolean_operator',
+      'label' => t('Active'),
+      'type' => 'yes-no',
+    ),
+    'sort' => array(
+      'handler' => 'views_handler_sort',
+    ),
+  );
+
+  $data['uc_product_stock']['stock'] = array(
+    'title' => t('Level'),
+    'help' => t('The current stock level.'),
+    'field' => array(
+      'handler' => 'views_handler_field_numeric',
+      'click sortable' => TRUE,
+    ),
+    'filter' => array(
+      'handler' => 'views_handler_filter_numeric',
+    ),
+    'sort' => array(
+      'handler' => 'views_handler_sort',
+    ),
+  );
+
+  $data['uc_product_stock']['threshold'] = array(
+    'title' => t('Threshold'),
+    'help' => t('The level at which a stock warning can be sent.'),
+    'field' => array(
+      'handler' => 'views_handler_field_numeric',
+      'click sortable' => TRUE,
+    ),
+    'filter' => array(
+      'handler' => 'views_handler_filter_numeric',
+    ),
+    'sort' => array(
+      'handler' => 'views_handler_sort',
+    ),
+  );
+
+  $data['uc_product_stock']['below_threshold'] = array(
+    'title' => t('Is below threshold'),
+    'help' => t('Filter the node based on whether its stock level is below the threshold for the SKU.'),
+    'filter' => array(
+      'handler' => 'uc_stock_handler_filter_below_threshold',
+      'label' => t('Is below threshold'),
+      'type' => 'yes-no',
+    ),
+  );
+
+  return $data;
+}

sites/all/modules/contrib/ecommerce/ubercart/uc_stock/views/uc_stock_handler_filter_below_threshold.inc

@@ -0,0 +1,20 @@
+<?php
+
+/**
+ * @file
+ * Views handler: Filter on comparison of stock level to threshold.
+ */
+
+/**
+ * Filters nodes based on comparison of stock value to stock threshold.
+ */
+class uc_stock_handler_filter_below_threshold extends views_handler_filter_boolean_operator {
+
+  /**
+   * Overrides views_handler_field::query().
+   */
+  function query() {
+    $this->ensure_my_table();
+    $this->query->add_where_expression($this->options['group'], "$this->table_alias.stock " . (empty($this->value) ? '>=' : '<') . " $this->table_alias.threshold");
+  }
+}