2

How to configure the maximum discount percent in magento for the cart amount.

Example: Cart value is 3,50,000

Coupon Code discount applicable : 20%

Discount applicable 70,000

However I want to limit this to 50,000 only.

4

Surprisingly, this is not possible in the Magento 1.x without an extension or code modification.

To add this feature in our module we had to:

1) add a new field max_discount in the table salesrule

2) observe event salesrule_validator_process

        <salesrule_validator_process>
        <observers>
            <amasty_rules_model_observer>
                <type>singleton</type>
                <class>amrules/observer</class>
                <method>handleValidation</method>
            </amasty_rules_model_observer>
        </observers>
        </salesrule_validator_process>

3) keep track of all discounts given to item by rule_id (just remember them in a variable)

protected function _limitMaxDiscount($r, $rule, $itemId, $quote)
{
    if ($rule->getMaxDiscount()==0) {
        return $r[$itemId];
    }
    if (isset($this->_ruleDiscount[$rule->getId()])) {
        $this->_ruleDiscount[$rule->getId()]['base_discount'] += $r[$itemId]['base_discount'];
    } else {
        $this->_ruleDiscount[$rule->getId()]['base_discount'] = $r[$itemId]['base_discount'];
    }
    if ($this->_ruleDiscount[$rule->getId()]['base_discount'] > $rule->getMaxDiscount()) {
        $r[$itemId]['base_discount'] = $r[$itemId]['base_discount'] - ($this->_ruleDiscount[$rule->getId()]['base_discount'] - $rule->getMaxDiscount());
        $r[$itemId]['discount'] = $quote->getStore()->convertPrice(
            $r[$itemId]['base_discount']
        );
    }
    return $r[$itemId];
}

4) when apply next discount to an item, check if it is in the range.

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  • 3
    Where is the "handleValidation" function definition? please reply. – Vinaya Maheshwari Jan 16 '18 at 11:14
0

Login to Admin panel > Promotions > Shopping cart price rules > than create new rules with below condition :

Steps : General information enter image description here

step 2 : conditions enter image description here

step 3 : Actions enter image description here

Apply "your coupon code" as coupon code in shopping cart page. also enter the discount amount under "Actions"

Please remove cache.

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