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Meet Magento Poland Presenetation
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Ivan Chepurnyi
Hidden Secrets of Magento Promotion Rules
About Me
• Devoted to Magento Platform since 2007• Ex Magento Core Team member• 5+ Years of Magento Development Experience• Co-Founder & Technical Director at EcomDev• Providing Training Courses for Magento
Developers
Short Overview
• Price Calculation Basics• Catalog Rule vs Shopping Cart Rule• The Base of Promo Rules• How To Customize
General Magento Price Types
Final Price• Based on Qty &
Customer Group • Calculated
Dynamically• Used in:
– Shopping Cart– Product View
Minimal Price• Based on Customer
Group• Calculated by
Indexer• Used in:
– Product List
Minimal Price
It is just minimal variation of final price
HOW IS CALCULATED FINAL PRICE?
Final Price
Option Price 1
Minimal Base Price
Option Price 2
Option Price N
…
Minimal Base Price
• Product Price• Tier Price• Group Price (CE1.7)• Special Price• Catalog Rule Price
Magento takes minimal value from the following calculated price variations.
Option Price
• Configurable Product Options (If Product is Configurable)
• Custom Options
PRICE RULESAnd finally
Price Rules
• Easy way to set up discounts for a group of products
• Conditional Discounts Based on– Product Attributes– Customer Group– Shopping Cart Content
Price Rule Types
Catalog Price Rules• Pre-applied• Affect Final Product
Price• Conditions only for
Product Attributes
Shopping Cart Price Rules• Applied on the fly• Affect Shopping Cart
Totals• Various Set of
Conditions– Product Sub-select– Address Match– Advanced Customer
Targeting
Use Cases
Catalog Price Rules• Season Sale
Discount• Customer Group
Discount• Discount on Product
Attribute Match
Shopping Cart Price Rule• Buy X Get Y Free
Discount• Free Shipping on
Particular Items• Special Discount for
Loyal Customers (in conjunction with Customer Segment)
MAGE_RULE MODULEAnd finally some code
Mage_Rule Module
Rule ModelMage_Rule_Model_Rule
ConditionMage_Rule_Model_Condition_Abstract
ActionMage_Rule_Model_Action_Abstract
Rule Model
Contains such information• Conditions set• Actions set• Takes care about matched object
Condition Model
• Conditions can be complex or simple• Matched against some Varien_Object
(Product, Address, Customer, etc)• All condition models extended from
Mage_Rule_Model_Condition_Abstract
Action Model
• Supposed to be flexible list of actions that should be performed
• Currently is not used in the system
Specific Implementations
Magento Community Edition• Mage_CatalogRule• Mage_SalesRule
Magento Enterprise Edition• Enterprise_TargetRule• Enterprise_CustomerSegment
CUSTOMIZATIONDoing Simple
Create Custom Condition
1. Extend from this class in gist:https://gist.github.com/4136339
2. Implement _getLabel() method
3. Implement _initProperties() method
4. Add your condition to combine condition model for existing rule
Properties Initialization
protected function _initProperties() { $this->_properties = array( ‘attribute_' => array( 'label' => ‘Some Field Name’, 'type' => 'select', 'data_path' => ’data/path’, 'options' => array() ) );}
Property Types
Types:• string• numeric• date• select• multiselect
Adding To Combine Cond
For Sales Rules• Add observer to salesrule_rule_condition_combine
• Add an array item to additional event property:
$observer->getEvent()->setAdditional( Mage::getModel(‘yourcondition/model’)-
>getNewChildSelectOptions());
Thank You!
Test Driven Development Training Course in Berlin, 09-10 Jan
http://bit.ly/QeOmia
