Changeset 333

Timestamp:

May 11, 2008 5:02:45 AM (16 years ago)

Author:

quinn

Message:

Finished initial version of Cart.inc.php. Minor css changes.

Location:

trunk

Files:

• css/admin2.inc.css (modified) (3 diffs)
• lib/App.inc.php (modified) (1 diff)
• lib/Cart.inc.php (modified) (4 diffs)
• lib/FormValidator.inc.php (modified) (1 diff)

trunk/css/admin2.inc.css

@@ -74 +74 @@
     width: 98%;
     margin: 0 auto 10px;
-    background-color: #EEE;
+    background-color: #fff;
     border: 1px solid gray;
 }
@@ -95 +95 @@
 /*     float: left; */
     width: 9em;
+    min-width: 9em;
     margin: 0 0 10px 0;
     padding: 0;
@@ -141 +142 @@
 
 /*_____________________ CONTENT ____________________*/
+
+#content-table {
+    width: 100%;
+}
+
 #content {
 /*     width: 100%; */

trunk/lib/App.inc.php

@@ -1006 +1006 @@
 
     /**
-     * Return the URL set for the specified $id.
+     * Return the URL set for the specified $id, or an empty string if one isn't set.
      *
      * @param string  $id     An identification tag for this url.

trunk/lib/Cart.inc.php

@@ -11 +11 @@
  * Example of use:
 ---------------------------------------------------------------------
-...
+$cart = new Cart();
+
+switch (getFormData('op')) {
+case 'add' :
+    // User clicks an "Add to cart" button.
+    if ($product_id = getFormData('product_id')) {
+        $qid = $db->query("SELECT * FROM product_tbl WHERE product_id = '" . $db->escapeString($product_id) . "'");
+        if ($p = mysql_fetch_assoc($qid)) {
+            $cart->add($product_id, $p['price'], 1, array(
+                'title' => $p['title'],
+                'shipping' => $p['shipping'],
+                'weight' => $p['weight'],
+            ));
+        }
+    }
+    break;
+
+case 'remove' :
+    // User clicks a "Remove item" button.
+    $cart->remove(getFormData('product_id'));
+    break;
+
+case 'qty' :
+    // User changes the quantity of an item.
+    $cart->setQty(getFormData('product_id'), getFormData('qty'));
+    break;
+
+case 'view' :
+default :
+    // User views cart.
+    foreach ($cart->getList() as $item) {
+        printf("Item: %s\nQty: %s\nPrice: %s\n\n", $item['title'], $item['quantity'], $item['price']);
+    }
+    break;
+}
 ---------------------------------------------------------------------
  */
@@ -71 +105 @@
 
     /*
-    * 
+    * Add an item to the cart. If called twice for one item it will add the quantities together.
+    *
+    * @access   public
+    * @param    string  $item_id    A unique ID for the item
+    * @param    float   $price      Price-per-quantity-unit for the item
+    * @param    float   $quantity   Quantity of items (can be fractional unites?)
+    * @param    array   $specs      An array of additional specifications (title, weight, etc)
+    * @return   float               The new adjusted quantity of this item.
+    * @author   Quinn Comendant <quinn@strangecode.com>
+    * @version  1.0
+    * @since    11 Mar 2008 18:59:37
+    */
+    function add($item_id, $price, $quantity=1, $specs=array())
+    {
+        $app =& App::getInstance();
+        
+        // Include any previously added items in the total quantity.
+        $quantity += isset($_SESSION['_cart'][$this->_ns]['items'][$item_id]) ? $_SESSION['_cart'][$this->_ns]['items'][$item_id]['quantity'] : 0;
+        
+        // Add item with adjusted quantity and merge in additional specs.
+        $_SESSION['_cart'][$this->_ns]['items'][$item_id] = array_merge($specs, array(
+            'quantity' => $quantity,
+            'price' => $price,
+            'extended_price' => $quantity * $price,
+        ));
+        
+        $app->logMsg(sprintf('Added %s %s to cart (%s)', $quantity, $item_id, truncate(getDump($specs, true), 128, 'end')), LOG_DEBUG, __FILE__, __LINE__);
+        
+        return $quantity;
+    }
+    
+    /*
+    * Set the absolute quantity value of a specified item in a cart.
     *
     * @access   public
@@ -78 +144 @@
     * @author   Quinn Comendant <quinn@strangecode.com>
     * @version  1.0
-    * @since    11 Mar 2008 18:59:37
-    */
-    function add($item_id, $quantity=1)
-    {
-        
-    }
-    
-    /*
-    * 
-    *
-    * @access   public
-    * @param    
-    * @return   
+    * @since    10 May 2008 16:42:25
+    */
+    function setQty($item_id, $quantity)
+    {
+        if ($quantity <= 0) {
+            $this->remove($item_id);
+        } else {
+            if (isset($_SESSION['_cart'][$this->_ns]['items'][$item_id])) {
+                $item = $_SESSION['_cart'][$this->_ns]['items'][$item_id];
+                $_SESSION['_cart'][$this->_ns]['items'][$item_id] = array_merge($item, array(
+                    'quantity' => $quantity,
+                    'extended_price' => $quantity * $item['price'],
+                ));
+            }            
+        }
+    }
+    
+    /*
+    * Remove an item from the cart.
+    *
+    * @access   public
+    * @param    string  $item_id    Item to remove from cart.
     * @author   Quinn Comendant <quinn@strangecode.com>
     * @version  1.0
@@ -97 +172 @@
     function remove($item_id)
     {
-        
-    }
-    
-    /*
-    * 
-    *
-    * @access   public
-    * @param    
-    * @return   
+        $app =& App::getInstance();
+        
+        if (isset($_SESSION['_cart'][$this->_ns]['items'][$item_id])) {
+            unset($_SESSION['_cart'][$this->_ns]['items'][$item_id]);
+            $app->logMsg(sprintf('Removed %s from cart', $item_id), LOG_DEBUG, __FILE__, __LINE__);
+        }
+    }
+    
+    /*
+    * Return the value matching key for a specified item.
+    *
+    * @access   public
+    * @param    string  $item_id    The ID of the cart item to retrieve.
+    * @param    string  $spec_key   The key of the value to return.
+    * @return   mixed               The value, or false if not found.
     * @author   Quinn Comendant <quinn@strangecode.com>
     * @version  1.0
     * @since    11 Mar 2008 18:59:55
     */
+    function get($item_id, $spec_key)
+    {
+        if (isset($_SESSION['_cart'][$this->_ns]['items'][$item_id][$spec_key])) {
+            return $_SESSION['_cart'][$this->_ns]['items'][$item_id][$spec_key];
+        }
+        return false;
+    }
+    
+    /*
+    * Return an array of the items in cart.
+    *
+    * @access   public
+    * @return   array   Array of cart items.
+    * @author   Quinn Comendant <quinn@strangecode.com>
+    * @version  1.0
+    * @since    11 Mar 2008 18:59:55
+    */
     function getList()
     {
-        
-    }
-    
-    /*
-    * 
-    *
-    * @access   public
-    * @param    
-    * @return   
+        return $_SESSION['_cart'][$this->_ns]['items'];
+    }
+    
+    /*
+    * Return the sum of the numeric values stored under the specified key for cart items.
+    * 0 will be returned if key is invalid or not filled with numeric values.
+    *
+    * @access   public
+    * @param    string  $key    The spec key to sum.
+    * @return   float           The total added by all the found values.
     * @author   Quinn Comendant <quinn@strangecode.com>
     * @version  1.0
     * @since    11 Mar 2008 19:00:12
     */
-    function getTotal()
-    {
-        
+    function sum($key='extended_price')
+    {
+        switch ($key) {
+        case 'items' :
+            return sizeof($_SESSION['_cart'][$this->_ns]['items']);
+
+        default :
+        $sum = 0;
+            foreach ($_SESSION['_cart'][$this->_ns]['items'] as $item_id => $specs) {
+                $sum += isset($specs[$key]) && is_numeric($specs[$key]) ? $specs[$key] : 0;
+            }
+            return $sum;
+        }
     }
 

trunk/lib/FormValidator.inc.php

@@ -163 +163 @@
         if ($this->anyErrors()) {
             ?><div class="sc-msg" id="sc-msg-formvalidator"><?php
-            $errors = $this->getErrorList();
-            foreach ($errors as $e) {
+            foreach ($this->getErrorList() as $e) {
                 if ('' != $e['message'] && is_string($e['message'])) {
                     if (error_reporting() > 0 && $app->getParam('display_errors') && isset($e['file']) && isset($e['line'])) {