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| -rw-r--r-- | user_guide_src/source/libraries/cart.rst | 152 |
1 files changed, 105 insertions, 47 deletions
diff --git a/user_guide_src/source/libraries/cart.rst b/user_guide_src/source/libraries/cart.rst index 716e94bcb..ad1955d27 100644 --- a/user_guide_src/source/libraries/cart.rst +++ b/user_guide_src/source/libraries/cart.rst @@ -11,7 +11,16 @@ Please note that the Cart Class ONLY provides the core "cart" functionality. It does not provide shipping, credit card authorization, or other processing components. -.. contents:: Page Contents +.. contents:: + :local: + +.. raw:: html + + <div class="custom-index container"></div> + +******************** +Using the Cart Class +******************** Initializing the Shopping Cart Class ==================================== @@ -29,7 +38,7 @@ use the $this->load->library function:: $this->load->library('cart'); Once loaded, the Cart object will be available using:: - + $this->cart .. note:: The Cart Class will load and initialize the Session Class @@ -179,7 +188,7 @@ helper </helpers/form_helper>`. </table> <p><?php echo form_submit('', 'Update your Cart'); ?></p> - + Updating The Cart ================= @@ -197,7 +206,7 @@ function: 'qty' => 3 ); - $this->cart->update($data); + $this->cart->update($data); // Or a multi-dimensional array @@ -243,66 +252,115 @@ update form is submitted. Please examine the construction of the "view cart" page above for more information. -Function Reference -================== +*************** +Class Reference +*************** + +.. class:: CI_Cart + + .. attribute:: $product_id_rules = '\.a-z0-9_-' + + These are the regular expression rules that we use to validate the product + ID - alpha-numeric, dashes, underscores, or periods by default + + .. attribute:: $product_name_rules = '\w \-\.\:' + + These are the regular expression rules that we use to validate the product ID and product name - alpha-numeric, dashes, underscores, colons or periods by + default + + .. attribute:: $product_name_safe = TRUE + + Whether or not to only allow safe product names. Default TRUE. + + + .. method:: insert([$items = array()]) + + :param array $items: the items to insert into the cart + :returns: bool + + Insert items into the cart and save it to the session table. Returns TRUE + on success and FALSE on failure. + + + .. method:: update([$items = array()]) + + :param array $items: the items to update in the cart + :returns: bool + + This method permits the quantity of a given item to be changed. + Typically it is called from the "view cart" page if a user makes changes + to the quantity before checkout. That array must contain the product ID + and quantity for each item. + + + .. method:: remove($rowid) + + :param int $rowid: the ID of the item to remove from the cart + :returns: bool + + Allows you to remove an item from the shopping cart by passing it the + ``$rowid``. + + + .. method:: total() + + :returns: int + + Displays the total amount in the cart. + + + .. method:: total_items() + + :returns: int + + Displays the total number of items in the cart. -$this->cart->insert(); -********************** -Permits you to add items to the shopping cart, as outlined above. + .. method:: contents([$newest_first = FALSE]) -$this->cart->update(); -********************** + :param bool $newest_first: order the array with newest first? + :returns: array -Permits you to update items in the shopping cart, as outlined above. + Returns an array containing everything in the cart. You can sort the + order by which the array is returned by passing it TRUE where the contents + will be sorted from newest to oldest, otherwise it is sorted from oldest + to newest. -$this->cart->remove(rowid); -*************************** -Allows you to remove an item from the shopping cart by passing it the rowid. + .. method:: get_item($row_id) -$this->cart->total(); -********************* + :param int $row_id: the row ID to retrieve + :returns: array -Displays the total amount in the cart. + Returns an array containing data for the item matching the specified row + ID, or FALSE if no such item exists. -$this->cart->total_items(); -*************************** -Displays the total number of items in the cart. + .. method:: has_options($row_id = '') -$this->cart->contents(boolean); -******************************* + :param int $row_id: the row ID to inspect + :returns: bool -Returns an array containing everything in the cart. You can sort the order, -by which this is returned by passing it "true" where the contents will be sorted -from newest to oldest, by leaving this function blank, you'll automatically just get -first added to the basket to last added to the basket. + Returns TRUE (boolean) if a particular row in the cart contains options. + This method is designed to be used in a loop with :meth:contents:, since + you must pass the rowid to this function, as shown in the Displaying + the Cart example above. -$this->cart->get_item($row_id); -******************************* -Returns an array containing data for the item matching the specified row ID, -or FALSE if no such item exists. + .. method:: product_options([$row_id = '']) -$this->cart->has_options($row_id); -********************************** + :param int $row_id: the row ID + :returns: array -Returns TRUE (boolean) if a particular row in the cart contains options. -This function is designed to be used in a loop with -$this->cart->contents(), since you must pass the rowid to this function, -as shown in the Displaying the Cart example above. + Returns an array of options for a particular product. This method is + designed to be used in a loop with :meth:contents:, since you + must pass the rowid to this method, as shown in the Displaying the + Cart example above. -$this->cart->product_options($row_id); -************************************** -Returns an array of options for a particular product. This function is -designed to be used in a loop with $this->cart->contents(), since you -must pass the rowid to this function, as shown in the Displaying the -Cart example above. + .. method:: destroy() -$this->cart->destroy(); -*********************** + :returns: void -Permits you to destroy the cart. This function will likely be called -when you are finished processing the customer's order. + Permits you to destroy the cart. This method will likely be called + when you are finished processing the customer's order.
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