diff options
Diffstat (limited to 'system/libraries/Cart.php')
| -rw-r--r-- | system/libraries/Cart.php | 59 |
1 files changed, 53 insertions, 6 deletions
diff --git a/system/libraries/Cart.php b/system/libraries/Cart.php index a0e1bb91e..717ccd9fb 100644 --- a/system/libraries/Cart.php +++ b/system/libraries/Cart.php @@ -41,6 +41,7 @@ class CI_Cart { // These are the regular expression rules that we use to validate the product ID and product name var $product_id_rules = '\.a-z0-9_-'; // alpha-numeric, dashes, underscores, or periods var $product_name_rules = '\.\:\-_ a-z0-9'; // alpha-numeric, dashes, underscores, colons or periods + var $product_name_safe = true; // only allow safe product names // Private variables. Do not change! var $CI; @@ -195,7 +196,7 @@ class CI_Cart { // Validate the product name. It can only be alpha-numeric, dashes, underscores, colons or periods. // Note: These can be user-specified by setting the $this->product_name_rules variable. - if ( ! preg_match("/^[".$this->product_name_rules."]+$/i", $items['name'])) + if ( $this->product_name_safe && ! preg_match("/^[".$this->product_name_rules."]+$/i", $items['name'])) { log_message('error', 'An invalid name was submitted as the product name: '.$items['name'].' The name can only contain alpha-numeric characters, dashes, underscores, colons, and spaces'); return FALSE; @@ -242,7 +243,18 @@ class CI_Cart { // -------------------------------------------------------------------- // Now that we have our unique "row ID", we'll add our cart items to the master array - + // grab quantity if it's already there and add it on + if (isset($this->_cart_contents[$rowid]['qty'])) + { + // set our old quantity + $old_quantity = (int)$this->_cart_contents[$rowid]['qty']; + } + else + { + // we have no old quantity but - we don't want to throw an error + $old_quantity = 0; + } + // let's unset this first, just to make sure our index contains only the data from this submission unset($this->_cart_contents[$rowid]); @@ -254,7 +266,10 @@ class CI_Cart { { $this->_cart_contents[$rowid][$key] = $val; } - + + // add old quantity back in + $this->_cart_contents[$rowid]['qty'] = ($this->_cart_contents[$rowid]['qty'] + $old_quantity); + // Woot! return $rowid; } @@ -435,7 +450,29 @@ class CI_Cart { { return $this->_cart_contents['cart_total']; } - + + // -------------------------------------------------------------------- + + /** + * Remove Item + * + * Removes an item from the cart + * + * @access public + * @return boolean + */ + public function remove($rowid) + { + // just do an unset + unset($this->_cart_contents[$rowid]); + + // we need to save the cart now we've made our changes + $this->_save_cart(); + + // completed + return true; + } + // -------------------------------------------------------------------- /** @@ -461,9 +498,19 @@ class CI_Cart { * @access public * @return array */ - function contents() + function contents($newest_first = false) { - $cart = $this->_cart_contents; + // do we want the newest first? + if($newest_first) + { + // reverse the array + $cart = array_reverse($this->_cart_contents); + } + else + { + // just added first to last + $cart = $this->_cast_contents; + } // Remove these so they don't create a problem when showing the cart table unset($cart['total_items']); |