/[drupal]/contributions/modules/uc_restrict_qty/uc_restrict_qty.module
ViewVC logotype

Diff of /contributions/modules/uc_restrict_qty/uc_restrict_qty.module

Parent Directory Parent Directory | Revision Log Revision Log | View Revision Graph Revision Graph | View Patch Patch

revision 1.1.4.4, Fri Dec 5 17:49:31 2008 UTC revision 1.1.4.5, Tue Jan 20 16:23:15 2009 UTC
# Line 1  Line 1 
1  <?php  <?php
2  // $Id: uc_restrict_qty.module,v 1.1.4.3 2008/12/04 22:46:39 mrfelton Exp $  // $Id$
3    
4  /**  /**
5   * @file   * @file
6   * Restrict the quantity on specified products so that only one may be purchased   * Restrict the quantity on specified products so that only one may be purchased
7   * at a time.   * at a time.
  *  
  * Sponsored by Flat World Knowledge - http://www.flatworldknowledge.com  
  * And Kirkdesigns - http://www.kirkdesigns.co.uk  
8   */   */
9    
 /**  
  * Implementation of hook_help().  
  */  
 function uc_restrict_qty_help($path, $arg) {  
   switch ($path) {  
     case 'admin/store/settings/restrict_qty':  
       return t('You may use this page to set a global limit on the number of items that a shopping cart may contain.');  
    }  
 }  
   
 /**  
  * Implementation of hook_menu().  
  */  
 function uc_restrict_qty_menu() {  
   $items['admin/store/settings/restrict_qty'] = array(  
     'title' => 'Restrict Qty',  
     'description' => 'Adjust settings for Ubercart Restrict Qty feature.',  
     'page callback' => 'drupal_get_form',  
     'page arguments' => array('uc_restrict_qty_admin_form'),  
     'access arguments' => array('administer products'),  
     'type' => MENU_NORMAL_ITEM,  
     'weight' => 1,  
   );  
   return $items;  
 }  
10    
11  /**  /**
12   * Implementation of hook_theme().   * Implementation of hook_theme().
# Line 55  function uc_restrict_qty_product_feature Line 27  function uc_restrict_qty_product_feature
27      'id' => 'restrict_qty',      'id' => 'restrict_qty',
28      'title' => t('Restrict Qty'),      'title' => t('Restrict Qty'),
29      'callback' => 'uc_restrict_qty_feature_form',      'callback' => 'uc_restrict_qty_feature_form',
30        'settings' => 'uc_restrict_qty_settings',
31    );    );
32    return $features;    return $features;
33  }  }
34    
35    // Adds settings to the product features form for UC Restrict Qty.
36    function uc_restrict_qty_settings() {
37      $form['#description'] = t('This feature is limited in scope to preventing a user from adding different products to the cart.  This does not restrict the quantity of products in the cart if updated after being added, so this feature is best used on sites where all products have a restrict quantity feature on them.');
38    
39      $form['uc_restrict_qty_global'] = array(
40        '#title' => t('Global limit'),
41        '#type' => 'textfield',
42        '#size' => 5,
43        '#maxlength' => 5,
44        '#description' => t('The number of different products that can be added to a cart. Set to 0 for unlimited.'),
45        '#default_value' => variable_get('uc_restrict_qty_global', '0'),
46      );
47    
48      return $form;
49    }
50    
51    // Validates the textfield on the product features settings form.
52    function uc_restrict_qty_settings_validate($form, &$form_state) {
53      if (!is_numeric($form_state['values']['uc_restrict_qty_global']) || $form_state['values']['uc_restrict_qty_global'] < 0) {
54        form_set_error('uc_restrict_qty_global', t('You must enter 0 or a positive number value.'));
55      }
56    }
57    
58  // Builds the form to display for adding or editing a the restricted quantity feature.  // Builds the form to display for adding or editing a the restricted quantity feature.
59  function uc_restrict_qty_feature_form($form_state, $node, $feature) {  function uc_restrict_qty_feature_form($form_state, $node, $feature) {
60    if (empty($feature)) {    if (empty($feature)) {
# Line 86  function uc_restrict_qty_feature_form($f Line 82  function uc_restrict_qty_feature_form($f
82   * Implementation of hook_add_to_cart().   * Implementation of hook_add_to_cart().
83   */   */
84  function uc_restrict_qty_add_to_cart($nid, $qty, $data) {  function uc_restrict_qty_add_to_cart($nid, $qty, $data) {
85    if (variable_get('uc_restrict_qty_global', 0)) {    $limit = variable_get('uc_restrict_qty_global', 0);
86      $cart_items = uc_cart_get_contents(uc_cart_get_id());  
87      if (sizeof($cart_items) >= variable_get('uc_restrict_qty_global', 0)) {    // If a global restriction on the number of items has been made.
88      if ($limit > 0) {
89        if (count(uc_cart_get_contents()) >= $limit) {
90          $message = format_plural($limit, 'Sorry, you may only have 1 item in your cart. You must checkout or remove the item in your cart before adding a different item.',
91            'Sorry, you may only have a total of @count items in your cart.  You must checkout or remove items from your cart before adding others.');
92    
93        $result[] = array(        $result[] = array(
94          'success' => FALSE,          'success' => FALSE,
95          'message' => t('Sorry, you may only have @qty in your cart. Please remove something from your cart first.',          'message' => $message,
           array(  
             '@qty' => format_plural(variable_get('uc_restrict_qty_global', 0), '1 item', '@count items'),  
           )),  
96        );        );
97      }      }
98    }    }
# Line 115  function uc_restrict_qty_cart_item($op, Line 113  function uc_restrict_qty_cart_item($op,
113    if ($op == 'load') {    if ($op == 'load') {
114      // If this item has a quantity restriction on it...      // If this item has a quantity restriction on it...
115      if ($item->data['restrict_qty'] > 0 && $item->qty > 1) {      if ($item->data['restrict_qty'] > 0 && $item->qty > 1) {
116        db_query("UPDATE {uc_cart_products} SET qty = 1, changed = %d WHERE nid = %d AND cart_id = '%s' AND data = '%s'", time(), $item->nid, uc_cart_get_id(), serialize($item->data));        // Reduce the quantity to 1 if necessary.
117          db_query("UPDATE {uc_cart_products} SET qty = 1, changed = %d WHERE cart_id = '%s' AND nid = %d AND data = '%s'", time(), uc_cart_get_id(), $item->nid, serialize($item->data));
118        $item->qty = 1;        $item->qty = 1;
119      }      }
     // If this item quantity has exceeded the global restriction...  
     elseif (variable_get('uc_restrict_qty_global', 0) && $item->qty >= variable_get('uc_restrict_qty_global', 0)) {  
       db_query("UPDATE {uc_cart_products} SET qty = %d, changed = %d WHERE nid = %d AND cart_id = '%s' AND data = '%s'", variable_get('uc_restrict_qty_global', 0), time(), $item->nid, uc_cart_get_id(), serialize($item->data));  
       $item->qty = variable_get('uc_restrict_qty_global', 0);  
     }  
120    }    }
121  }  }
122    
# Line 132  function uc_restrict_qty_cart_item($op, Line 126  function uc_restrict_qty_cart_item($op,
126  function uc_restrict_qty_form_alter(&$form, &$form_state, $form_id) {  function uc_restrict_qty_form_alter(&$form, &$form_state, $form_id) {
127    // Disable the appropriate Qty. fields on the cart view form.    // Disable the appropriate Qty. fields on the cart view form.
128    if ($form_id == 'uc_cart_view_form') {    if ($form_id == 'uc_cart_view_form') {
129      foreach ($form['#parameters'][2] as $key => $item) {      for ($i = 0, $j = count(uc_cart_get_contents()); $i < $j; $i++) {
130        // If this item has a quantity restriction feature on it...        $data = unserialize($form['items'][$i]['data']['#value']);
131        if ($item->data['restrict_qty'] > 0) {  
132          $form['items'][$key]['qty']['#attributes']['readonly'] = 'readonly';        // If this item has a quantity restriction on it...
133          //$form['items'][$key]['qty']['#theme'] = 'restrict_qty_field';        if ($data['restrict_qty'] > 0) {
134            $form['items'][$i]['qty']['#type'] = 'value';
135            $form['items'][$i]['qty']['#theme'] = 'restrict_qty_field';
136        }        }
137      }      }
138    }    }
 }  
139    
140  // builds the admin settings form.    if ($form_id == 'uc_product_feature_settings_form') {
141  function uc_restrict_qty_admin_form() {      $form['#validate'][] = 'uc_restrict_qty_settings_validate';
   $form['uc_restrict_qty_global'] = array(  
     '#title' => t('Global limit'),  
     '#type' => 'textfield',  
     '#size' => 5,  
     '#maxlength' => 5,  
     '#description' => t('The total number of products that can be added to a cart. Set to 0 for unlimited.'),  
     '#default_value' => variable_get('uc_restrict_qty_global', 0),  
   );  
   $form['#validate'][] = 'uc_restrict_qty_admin_form_validate';  
   return system_settings_form($form);  
 }  
   
 // Ensure user has entered a sensible value.  
 function uc_restrict_qty_admin_form_validate(&$form, $form_state) {  
   if (!is_numeric($form_state['values']['uc_restrict_qty_global'])) {  
     form_set_error('uc_restrict_qty_global', t('Please enter a numeric value.'));  
   }  
   if ($form_state['values']['uc_restrict_qty_global'] < 0) {  
     form_set_error('uc_restrict_qty_global', t('Please enter a positive integer.'));  
142    }    }
143  }  }
144    
Legend:
Removed from v.1.1.4.4  
changed lines
  Added in v.1.1.4.5
  ViewVC Help
Powered by ViewVC 1.1.2