git commit -m Issue

product_example/product_example.info

+name = Product Example
+description = Demonstrates product creation, etc.
+package = Commerce (contrib)
+dependencies[] = commerce_product
+core = 7.x

product_example/product_example.module

+<?php
+/**
+ * @file product_example.module
+ * Demonstrates pricing hooks, etc.
+ */
+
+/**
+ * Implements hook_menu().
+ *
+ * Simply presents a page that will explain what this module is for.
+ * hook_menu() has nothing to do with the checkout page functionality.
+ */
+function product_example_menu() {
+  $items['commerce_examples/product_example'] = array(
+    'title' => 'Product Example',
+    'page callback' => 'drupal_get_form',
+    'page arguments' => array('product_example_info_page'),
+    'access callback' => TRUE,
+  );
+  return $items;
+}
+
+/**
+ * This form provides a way to interact with some of the example functions
+ * provided here.
+ */
+function product_example_info_page($form, &$form_state) {
+  $form['explanation'] = array(
+    '#type' => 'item',
+    '#markup' => t('This example demonstrates product creation and manipulation.'),
+  );
+
+    $form['product_creation'] = array(
+      '#type' => 'fieldset',
+      '#title' => t('Please create a product for use with this example'),
+    );
+    $types = commerce_product_types();
+    $form['product_creation']['product_type'] = array(
+      '#type' => 'select',
+      '#title' => t('Product type for product to be created'),
+      '#options' => drupal_map_assoc(array_keys($types)),
+    );
+    $form['product_creation']['title'] = array(
+      '#type' => t('Product title'),
+      '#type' => 'textfield',
+      '#default_value' => t('A dummy product for use with product_example'),
+    );
+    $form['product_creation']['price'] = array(
+      '#type' => t('Product price'),
+      '#type' => 'textfield',
+      '#description' => t('A price in decimal format, without a currency symbol'),
+      '#default_value' => '100.00',
+    );
+    $form['product_creation']['product_creation_submit'] = array(
+      '#type' => 'submit',
+      '#value' => t('Create product'),
+      '#submit' => array('product_example_product_creation_submit')
+    );
+
+  return $form;
+}
+
+/**
+ * Submit handler for creating a product.
+ */
+function product_example_product_creation_submit($form, &$form_state) {
+  $extras = array(
+    'sku' => 'product_example_' . drupal_hash_base64(microtime()),
+    'status' => TRUE,
+    'uid' => $GLOBALS['user']->uid,
+    'title' => $form_state['values']['title'],
+  );
+  // Use the product example's creation function to create a product.
+  $product_id = product_example_create_product($form_state['values']['product_type'], $form_state['values']['price'], $extras);
+  drupal_set_message(t('Created sample product with title !title and sku !sku', array('!title' => l($extras['title'], 'admin/commerce/products/' . $product_id), '!sku' => $extras['sku'])));
+}
+
+/**
+ * Create a product programmatically.
+ *
+ * This is stolen shamelessly from commerce_bpc. Thanks for the help here!
+ *
+ * @param $product_type
+ *   (string) The name of the product type for which products should be created.
+ * @param $price
+ *   Decimal amount of price. If additional fields need to be populated they
+ *   can be populated in exactly the same way as the commerce_price field.
+ * @param $extras
+ *   An array for the values of  'extra fields' defined for the product type
+ *   entity, or patterns for these. Recognized keys are:
+ *   - status
+ *   - uid
+ *   - sku
+ *   - title
+ *   Note that the values do NOT come in the form of complex arrays (as they
+ *   are not translatable, and can only have single values).
+ * @return
+ *   The ID of the created product.
+ */
+function product_example_create_product($product_type, $price, $extras) {
+  $form_state = array();
+  $form_state['values'] = array();
+  $form = array();
+  $form['#parents'] = array();
+
+  // Generate a new product object
+  $new_product = commerce_product_new($product_type);
+
+  $new_product->status = $extras['status'];
+  $new_product->uid = $extras['uid'];
+
+  $new_product->sku = $extras['sku'];
+  $new_product->title = $extras['title'];
+  $new_product->created = $new_product->changed = time();
+
+  //commerce_price[und][0][amount]
+  $price = array(LANGUAGE_NONE => array(0 => array(
+    'amount' => $price * 100,
+    'currency_code' => commerce_default_currency(),
+  )));
+  $form_state['values']['commerce_price'] = $price;
+
+  // Notify field widgets to save their field data
+  field_attach_submit('commerce_product', $new_product, $form, $form_state);
+
+  commerce_product_save($new_product);
+  return $new_product->product_id;
+}