/[drupal]/contributions/modules/uc_restrict_qty/uc_restrict_qty.module
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revision 1.1.4.2, Fri Oct 17 14:41:03 2008 UTC revision 1.1.4.3, Thu Dec 4 22:46:39 2008 UTC
# Line 1  Line 1 
1  <?php  <?php
2  // $Id$  // $Id: uc_restrict_qty.module,v 1.1.4.2 2008/10/17 14:41:03 mrfelton Exp $
3    
4  /**  /**
5   * @file   * @file
# Line 11  Line 11 
11   */   */
12    
13  /**  /**
14     * Implementation of hook_help().
15     */
16    function uc_restrict_qty_help($path, $arg) {
17      switch ($path) {
18        case 'admin/store/settings/restrict_qty':
19          return t('You may use this page to set a global limit on the number of items that a shopping cart may contain.');
20       }
21    }
22    
23    /**
24     * Implementation of hook_menu().
25     */
26    function uc_restrict_qty_menu() {
27      $items['admin/store/settings/restrict_qty'] = array(
28        'title' => 'Restrict Qty',
29        'description' => 'Adjust settings for Ubercart Restrict Qty feature.',
30        'page callback' => 'drupal_get_form',
31        'page arguments' => array('uc_restrict_qty_admin_form'),
32        'access arguments' => array('administer products'),
33        'type' => MENU_NORMAL_ITEM,
34        'weight' => 1,
35      );
36      return $items;
37    }
38    
39    /**
40   * Implementation of hook_theme().   * Implementation of hook_theme().
41   */   */
42  function uc_restrict_qty_theme() {  function uc_restrict_qty_theme() {
# Line 57  function uc_restrict_qty_feature_form($f Line 83  function uc_restrict_qty_feature_form($f
83  }  }
84    
85  /**  /**
86     * Implementation of hook_add_to_cart().
87     */
88    function uc_restrict_qty_add_to_cart($nid, $qty, $data) {
89      if (variable_get('uc_restrict_qty_global', 0)) {
90        $cart_items = uc_cart_get_contents(uc_cart_get_id());
91        if (sizeof($cart_items) >= variable_get('uc_restrict_qty_global', 0)) {
92          $result[] = array(
93            'success' => FALSE,
94            'message' => t('Sorry, you may only have @qty in your cart. Please remove something from your cart first.',
95              array(
96                '@qty' => format_plural(variable_get('uc_restrict_qty_global', 0), '1 item', '@count items'),
97              )),
98          );
99        }
100      }
101      return $result;
102    }
103    
104    /**
105   * Implementation of hook_add_to_cart_data().   * Implementation of hook_add_to_cart_data().
106   */   */
107  function uc_restrict_qty_add_to_cart_data($form_values) {  function uc_restrict_qty_add_to_cart_data($form_values) {
# Line 68  function uc_restrict_qty_add_to_cart_dat Line 113  function uc_restrict_qty_add_to_cart_dat
113   */   */
114  function uc_restrict_qty_cart_item($op, &$item) {  function uc_restrict_qty_cart_item($op, &$item) {
115    if ($op == 'load') {    if ($op == 'load') {
   
116      // If this item has a quantity restriction on it...      // If this item has a quantity restriction on it...
117      if ($item->data['restrict_qty'] > 0 && $item->qty > 1) {      if ($item->data['restrict_qty'] > 0 && $item->qty > 1) {
118        // Reduce the quantity to 1 if necessary.        // Reduce the quantity to 1 if necessary.
# Line 84  function uc_restrict_qty_cart_item($op, Line 128  function uc_restrict_qty_cart_item($op,
128  function uc_restrict_qty_form_alter(&$form, &$form_state, $form_id) {  function uc_restrict_qty_form_alter(&$form, &$form_state, $form_id) {
129    // Disable the appropriate Qty. fields on the cart view form.    // Disable the appropriate Qty. fields on the cart view form.
130    if ($form_id == 'uc_cart_view_form') {    if ($form_id == 'uc_cart_view_form') {
131      foreach ($form['items'] as $key => $value) {      foreach ($form['#parameters'][2] as $key => $item) {
       $data = unserialize($value['data']['#value']);  
132        // If this item has a quantity restriction on it...        // If this item has a quantity restriction on it...
133        if ($data['restrict_qty'] > 0) {        if ($item->data['restrict_qty'] > 0) {
134          //$form['items'][$key]['qty']['#theme'] = 'restrict_qty_field';          $form['items'][$key]['qty']['#theme'] = 'restrict_qty_field';
         $form['items'][$key]['qty']['#attributes'] = array('readonly' => 'readonly');  
135        }        }
136      }      }
137    }    }
138  }  }
139    
140    // builds the admin settings form.
141    function uc_restrict_qty_admin_form() {
142      $form['uc_restrict_qty_global'] = array(
143        '#title' => t('Global limit'),
144        '#type' => 'textfield',
145        '#size' => 5,
146        '#maxlength' => 5,
147        '#description' => t('The total number of products that can be added to a cart. Set to 0 for unlimited.'),
148        '#default_value' => variable_get('uc_restrict_qty_global', NULL),
149      );
150      $form['#validate'][] = 'uc_restrict_qty_admin_form_validate';
151      return system_settings_form($form);
152    }
153    
154    // Builds a paged list and overview of existing product fees.
155    function uc_restrict_qty_admin_form_validate(&$form, $form_state) {
156      if (!is_numeric($form_state['values']['uc_restrict_qty_global'])) {
157        form_set_error('uc_restrict_qty_global', t('Please enter a numeric value.'));
158      }
159      if ($form_state['values']['uc_restrict_qty_global'] < 0) {
160        form_set_error('uc_restrict_qty_global', t('Please enter a positive integer.'));
161      }
162    }
163    
164  // Themes cart Qty. boxes so they can't be changed. (currently not in use)  // Themes cart Qty. boxes so they can't be changed. (currently not in use)
165  function theme_restrict_qty_field($element) {  function theme_restrict_qty_field($element) {
166   //$element['#attributes']['readonly'] = 'readonly';   //$element['#attributes']['readonly'] = 'readonly';
# Line 103  function theme_restrict_qty_field($eleme Line 169  function theme_restrict_qty_field($eleme
169    
170  // Returns the number of restrict_qty features on a product node.  // Returns the number of restrict_qty features on a product node.
171  function uc_restrict_qty_count($nid) {  function uc_restrict_qty_count($nid) {
172      if (variable_get('uc_restrict_qty_global', 0)) {
173        return variable_get('uc_restrict_qty_global', 0);
174      }
175    return db_result(db_query("SELECT COUNT(*) FROM {uc_product_features} WHERE nid = %d AND fid = '%s'", $nid, 'restrict_qty'));    return db_result(db_query("SELECT COUNT(*) FROM {uc_product_features} WHERE nid = %d AND fid = '%s'", $nid, 'restrict_qty'));
176  }  }
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